From c7b37e0ed79c2252ce8076018e3aa3a36fac2c6f Mon Sep 17 00:00:00 2001 From: Roland Beisel Date: Wed, 19 Nov 2025 12:34:43 +0100 Subject: [PATCH 1/2] GH-50 add basic routing configuration for event publishing --- .../io/namastack/outbox/OutboxRecord.kt | 8 + .../outbox/routing/RoutingConfiguration.kt | 102 ++++++ .../namastack/outbox/routing/RoutingRule.kt | 118 +++++++ .../namastack/outbox/routing/RoutingTarget.kt | 37 +++ .../io/namastack/outbox/OutboxRecordTest.kt | 2 +- .../routing/RoutingConfigurationTest.kt | 298 +++++++++++++++++ .../outbox/routing/RoutingRuleTest.kt | 301 ++++++++++++++++++ .../outbox/routing/RoutingTargetTest.kt | 117 +++++++ 8 files changed, 982 insertions(+), 1 deletion(-) create mode 100644 namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingConfiguration.kt create mode 100644 namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingRule.kt create mode 100644 namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingTarget.kt create mode 100644 namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingConfigurationTest.kt create mode 100644 namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingRuleTest.kt create mode 100644 namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingTargetTest.kt diff --git a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/OutboxRecord.kt b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/OutboxRecord.kt index 23842ff..f1b52ec 100644 --- a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/OutboxRecord.kt +++ b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/OutboxRecord.kt @@ -181,6 +181,14 @@ class OutboxRecord internal constructor( } companion object { + /** + * Creates a new builder for constructing OutboxRecord instances. + * + * @return A new Builder instance + */ + @JvmStatic + fun builder() = Builder() + /** * Restores an OutboxRecord from persisted data. * diff --git a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingConfiguration.kt b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingConfiguration.kt new file mode 100644 index 0000000..8bf66fd --- /dev/null +++ b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingConfiguration.kt @@ -0,0 +1,102 @@ +package io.namastack.outbox.routing + +/** + * Configuration for event routing in the outbox pattern. + * + * Defines routing rules for different event types. Each event type can have: + * - A specific routing rule (via .route()) + * - A wildcard routing rule as fallback (via .routeAll()) + * + * @author Roland Beisel + * @since 0.4.0 + */ +class RoutingConfiguration private constructor( + internal val routes: Map, +) { + /** + * Gets the routing rule for the given event type. + * + * Returns the specific route for the event type, or falls back to the wildcard route. + * If neither exists, throws an IllegalArgumentException. + * + * @param eventType The event type to get the routing rule for + * @return The matching RoutingRule + * @throws IllegalArgumentException if no route found for event type and no wildcard route configured + */ + fun getRoute(eventType: String): RoutingRule = + routes[eventType] + ?: routes[WILDCARD_ROUTE_KEY] + ?: throw IllegalArgumentException( + "No routing rule found for event type '$eventType'. " + + "Configure with .route(\"$eventType\") { ... } or use .routeAll() as fallback", + ) + + /** + * Builder for constructing RoutingConfiguration instances with fluent API. + * + * @author Roland Beisel + * @since 0.4.0 + */ + class Builder { + private val routes = mutableMapOf() + + /** + * Defines a routing rule for a specific event type. + * + * If called multiple times with the same event type, the last definition wins. + * + * @param eventType The event type to configure (e.g., "order.created") + * @param builder Lambda to configure the routing rule + * @return This builder for method chaining + */ + fun route( + eventType: String, + builder: RoutingRule.Builder.() -> Unit, + ): Builder { + val rule = RoutingRule.Builder().apply(builder).build() + routes[eventType] = rule + + return this + } + + /** + * Defines a wildcard routing rule that applies to all event types without a specific rule. + * + * This acts as a fallback/default route. If called multiple times, the last definition wins. + * + * @param builder Lambda to configure the routing rule + * @return This builder for method chaining + */ + fun routeAll(builder: RoutingRule.Builder.() -> Unit): Builder { + val rule = RoutingRule.Builder().apply(builder).build() + routes[WILDCARD_ROUTE_KEY] = rule + + return this + } + + /** + * Builds the RoutingConfiguration. + * + * @return A new immutable RoutingConfiguration instance + */ + fun build(): RoutingConfiguration = RoutingConfiguration(routes) + } + + /** + * Companion object providing factory methods and constants. + */ + companion object { + /** + * Key used to store the wildcard routing rule. + */ + const val WILDCARD_ROUTE_KEY = "*" + + /** + * Creates a new builder for configuring RoutingConfiguration. + * + * @return A new Builder instance + */ + @JvmStatic + fun builder() = Builder() + } +} diff --git a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingRule.kt b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingRule.kt new file mode 100644 index 0000000..9881acd --- /dev/null +++ b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingRule.kt @@ -0,0 +1,118 @@ +package io.namastack.outbox.routing + +import io.namastack.outbox.OutboxRecord + +/** + * Represents a routing rule for an outbox record. + * + * A routing rule defines: + * - How to map/transform the event payload + * - Which headers to attach to the message + * - Where to route the event (target and optional key) + * + * @author Roland Beisel + * @since 0.4.0 + */ +class RoutingRule private constructor( + val mapper: (OutboxRecord) -> Any, + val headers: (OutboxRecord) -> Map, + val target: (OutboxRecord) -> RoutingTarget, +) { + /** + * Builder for creating RoutingRule instances with fluent API. + */ + class Builder { + private var mapperFn: (OutboxRecord) -> Any = { it.payload } + private var headersFn: (OutboxRecord) -> Map = { emptyMap() } + private var targetFn: ((OutboxRecord) -> RoutingTarget)? = null + + /** + * Sets the mapper function to transform the outbox record payload. + * + * @param fn Function to transform OutboxRecord to Any + * @return This builder for chaining + */ + fun mapper(fn: (OutboxRecord) -> Any) = + apply { + this.mapperFn = fn + } + + /** + * Adds headers to the routing rule. + * + * Can be called multiple times. Headers are merged (later calls override earlier ones). + * + * @param fn Function to extract headers from OutboxRecord + * @return This builder for chaining + */ + fun headers(fn: (OutboxRecord) -> Map) = + apply { + val previous = headersFn + headersFn = { record -> + previous.invoke(record) + fn.invoke(record) + } + } + + /** + * Adds a single header to the routing rule. + * + * Can be called multiple times. Later calls override earlier ones for same key. + * + * @param key The header key + * @param value The header value + * @return This builder for chaining + */ + fun header( + key: String, + value: String, + ) = apply { + val previous = headersFn + headersFn = { record -> + previous.invoke(record) + (key to value) + } + } + + /** + * Sets the routing target using a custom function. + * + * @param fn Function to determine RoutingTarget from OutboxRecord + * @return This builder for chaining + */ + fun target(fn: (OutboxRecord) -> RoutingTarget) = + apply { + targetFn = fn + } + + /** + * Sets the routing target with a fixed destination and optional key. + * + * @param targetValue The target destination (e.g., "kafka:orders") + * @param key Optional partition key + * @return This builder for chaining + */ + fun target( + targetValue: String, + key: String? = null, + ) = apply { + targetFn = { RoutingTarget(targetValue, key) } + } + + /** + * Builds the RoutingRule. + * + * @return A new RoutingRule instance + * @throws IllegalStateException if target is not configured + */ + fun build(): RoutingRule { + val targetFunction = + targetFn + ?: error("RoutingRule configuration incomplete: target must be set via .target() method") + + return RoutingRule( + mapper = mapperFn, + headers = headersFn, + target = targetFunction, + ) + } + } +} diff --git a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingTarget.kt b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingTarget.kt new file mode 100644 index 0000000..0cee296 --- /dev/null +++ b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingTarget.kt @@ -0,0 +1,37 @@ +package io.namastack.outbox.routing + +/** + * Represents a routing destination for an outbox record. + * + * A routing target specifies where an event should be published, including: + * - The target destination (e.g., "kafka:orders-topic" or "amqp:user.events.queue") + * - An optional key/partition key for message ordering or partitioning + * + * Headers are configured separately in EventExternalizationConfiguration. + * + * @param target The destination identifier (e.g., topic name, queue name) + * @param key Optional partition/message key for ordering or distribution + * + * @author Roland Beisel + * @since 0.4.0 + */ +data class RoutingTarget( + val target: String, + val key: String? = null, +) { + /** + * Creates a new RoutingTarget with the given key. + * + * @param key The partition/message key + * @return A new RoutingTarget instance with updated key + */ + fun withKey(key: String?): RoutingTarget = copy(key = key) + + companion object { + /** + * Creates a RoutingTarget with only a target. + */ + @JvmStatic + fun forTarget(target: String): RoutingTarget = RoutingTarget(target = target) + } +} diff --git a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/OutboxRecordTest.kt b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/OutboxRecordTest.kt index 9067d25..f4761c5 100644 --- a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/OutboxRecordTest.kt +++ b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/OutboxRecordTest.kt @@ -364,7 +364,7 @@ class OutboxRecordTest { fun `builder should create record with default values`() { val record = OutboxRecord - .Builder() + .builder() .aggregateId("test-aggregate") .eventType("TestEvent") .payload("test-payload") diff --git a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingConfigurationTest.kt b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingConfigurationTest.kt new file mode 100644 index 0000000..d496312 --- /dev/null +++ b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingConfigurationTest.kt @@ -0,0 +1,298 @@ +package io.namastack.outbox.routing + +import io.namastack.outbox.OutboxRecordTestFactory +import org.assertj.core.api.Assertions.assertThat +import org.assertj.core.api.Assertions.assertThatThrownBy +import org.junit.jupiter.api.DisplayName +import org.junit.jupiter.api.Nested +import org.junit.jupiter.api.Test + +@DisplayName("RoutingConfiguration Tests") +class RoutingConfigurationTest { + private val testRecord = OutboxRecordTestFactory.outboxRecord() + + @Nested + @DisplayName("RoutingConfiguration.Builder Creation") + inner class BuilderCreation { + @Test + fun `should create builder with factory method`() { + val builder = RoutingConfiguration.builder() + + assertThat(builder).isNotNull + } + + @Test + fun `should have static builder method`() { + val builder = RoutingConfiguration.builder() + + assertThat(builder).isNotNull + } + } + + @Nested + @DisplayName("RoutingConfiguration.Builder.route()") + inner class RouteFunction { + @Test + fun `should add specific route for event type`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { target("orders") } + .build() + + val rule = config.getRoute("order.created") + assertThat(rule.target(testRecord).target).isEqualTo("orders") + } + + @Test + fun `should allow method chaining`() { + val builder = RoutingConfiguration.builder() + val result = builder.route("event.type") { target("target") } + + assertThat(result).isNotNull + } + + @Test + fun `should override route when called with same event type`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { target("orders-v1") } + .route("order.created") { target("orders-v2") } + .build() + + val rule = config.getRoute("order.created") + assertThat(rule.target(testRecord).target).isEqualTo("orders-v2") + } + + @Test + fun `should support complex routing rules`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { + target("orders", "orderId") + mapper { it.payload } + header("version", "1.0") + }.build() + + val rule = config.getRoute("order.created") + assertThat(rule.target(testRecord).target).isEqualTo("orders") + assertThat(rule.target(testRecord).key).isEqualTo("orderId") + assertThat(rule.headers(testRecord)).isEqualTo(mapOf("version" to "1.0")) + } + } + + @Nested + @DisplayName("RoutingConfiguration.Builder.routeAll()") + inner class RouteAllFunction { + @Test + fun `should add wildcard route`() { + val config = + RoutingConfiguration + .builder() + .routeAll { target("fallback") } + .build() + + val rule = config.getRoute("any.event.type") + assertThat(rule.target(testRecord).target).isEqualTo("fallback") + } + + @Test + fun `should override wildcard when called multiple times`() { + val config = + RoutingConfiguration + .builder() + .routeAll { target("fallback-v1") } + .routeAll { target("fallback-v2") } + .build() + + val rule = config.getRoute("unknown") + assertThat(rule.target(testRecord).target).isEqualTo("fallback-v2") + } + + @Test + fun `should allow method chaining`() { + val builder = RoutingConfiguration.builder() + val result = builder.routeAll { target("fallback") } + + assertThat(result).isNotNull + } + } + + @Nested + @DisplayName("RoutingConfiguration.getRoute()") + inner class GetRoute { + @Test + fun `should return specific route for matching event type`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { target("orders") } + .routeAll { target("fallback") } + .build() + + val rule = config.getRoute("order.created") + assertThat(rule.target(testRecord).target).isEqualTo("orders") + } + + @Test + fun `should return wildcard route when no specific route exists`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { target("orders") } + .routeAll { target("fallback") } + .build() + + val rule = config.getRoute("unknown.event") + assertThat(rule.target(testRecord).target).isEqualTo("fallback") + } + + @Test + fun `should prioritize specific route over wildcard`() { + val config = + RoutingConfiguration + .builder() + .routeAll { target("fallback") } + .route("order.created") { target("orders") } + .build() + + val rule = config.getRoute("order.created") + assertThat(rule.target(testRecord).target).isEqualTo("orders") + } + + @Test + fun `should throw IllegalArgumentException when no route found`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { target("orders") } + .build() + + assertThatThrownBy { config.getRoute("unknown.event") } + .isInstanceOf(IllegalArgumentException::class.java) + .hasMessageContaining("No routing rule found") + .hasMessageContaining("unknown.event") + } + + @Test + fun `should provide helpful error message with suggestions`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { target("orders") } + .build() + + assertThatThrownBy { config.getRoute("payment.received") } + .isInstanceOf(IllegalArgumentException::class.java) + .hasMessageContaining(".route(") + .hasMessageContaining("routeAll()") + } + } + + @Nested + @DisplayName("RoutingConfiguration.Builder.build()") + inner class BuildFunction { + @Test + fun `should build immutable RoutingConfiguration`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { target("orders") } + .build() + + assertThat(config).isNotNull + } + + @Test + fun `should support empty configuration`() { + val config = RoutingConfiguration.builder().build() + + assertThat(config).isNotNull + } + } + + @Nested + @DisplayName("RoutingConfiguration Integration") + inner class Integration { + @Test + fun `should handle multiple specific routes and wildcard`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { target("orders") } + .route("order.shipped") { target("orders-shipped") } + .route("payment.received") { target("payments") } + .routeAll { target("fallback") } + .build() + + assertThat(config.getRoute("order.created").target(testRecord).target).isEqualTo("orders") + assertThat(config.getRoute("order.shipped").target(testRecord).target).isEqualTo("orders-shipped") + assertThat(config.getRoute("payment.received").target(testRecord).target).isEqualTo("payments") + assertThat(config.getRoute("unknown").target(testRecord).target).isEqualTo("fallback") + } + + @Test + fun `should support complete fluent configuration`() { + val config = + RoutingConfiguration + .builder() + .route("order.created") { + target("kafka:orders", "orderId") + mapper { it.payload } + header("version", "1.0") + header("source", "order-service") + }.route("order.shipped") { + target("kafka:orders-shipped") + header("version", "1.0") + }.routeAll { + target("kafka:fallback") + }.build() + + val createdRule = config.getRoute("order.created") + assertThat(createdRule.target(testRecord).target).isEqualTo("kafka:orders") + assertThat(createdRule.target(testRecord).key).isEqualTo("orderId") + assertThat(createdRule.headers(testRecord)).isEqualTo( + mapOf("version" to "1.0", "source" to "order-service"), + ) + + val shippedRule = config.getRoute("order.shipped") + assertThat(shippedRule.target(testRecord).target).isEqualTo("kafka:orders-shipped") + + val unknownRule = config.getRoute("unknown") + assertThat(unknownRule.target(testRecord).target).isEqualTo("kafka:fallback") + } + } + + @Nested + @DisplayName("RoutingConfiguration Companion Object") + inner class CompanionObject { + @Test + fun `should have WILDCARD_ROUTE_KEY constant`() { + assertThat(RoutingConfiguration.WILDCARD_ROUTE_KEY).isEqualTo("*") + } + + @Test + fun `should have static builder() method`() { + val builder = RoutingConfiguration.builder() + + assertThat(builder).isNotNull + } + + @Test + fun `wildcard route key is star`() { + assertThat(RoutingConfiguration.WILDCARD_ROUTE_KEY).isEqualTo("*") + } + + @Test + fun `builder creates new instances`() { + val builder1 = RoutingConfiguration.builder() + val builder2 = RoutingConfiguration.builder() + + assertThat(builder1).isNotNull + assertThat(builder2).isNotNull + assertThat(builder1).isNotSameAs(builder2) + } + } +} diff --git a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingRuleTest.kt b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingRuleTest.kt new file mode 100644 index 0000000..b29836f --- /dev/null +++ b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingRuleTest.kt @@ -0,0 +1,301 @@ +package io.namastack.outbox.routing + +import io.namastack.outbox.OutboxRecordTestFactory +import org.assertj.core.api.Assertions.assertThat +import org.assertj.core.api.Assertions.assertThatThrownBy +import org.junit.jupiter.api.DisplayName +import org.junit.jupiter.api.Nested +import org.junit.jupiter.api.Test + +@DisplayName("RoutingRule Tests") +class RoutingRuleTest { + private val testRecord = OutboxRecordTestFactory.outboxRecord() + + @Nested + @DisplayName("RoutingRule.Builder Creation") + inner class BuilderCreation { + @Test + fun `should create builder with defaults`() { + val builder = RoutingRule.Builder() + + assertThat(builder).isNotNull + } + } + + @Nested + @DisplayName("RoutingRule.Builder.mapper()") + inner class MapperFunction { + @Test + fun `should set custom mapper function`() { + val rule = + RoutingRule + .Builder() + .mapper { it.payload.uppercase() } + .target("orders") + .build() + + val result = rule.mapper(testRecord) + assertThat(result).isEqualTo(testRecord.payload.uppercase()) + } + + @Test + fun `should use payload as default mapper`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .build() + + val result = rule.mapper(testRecord) + assertThat(result).isEqualTo(testRecord.payload) + } + + @Test + fun `should allow method chaining`() { + val builder = RoutingRule.Builder() + val result = builder.mapper { it.payload } + + assertThat(result).isNotNull + } + } + + @Nested + @DisplayName("RoutingRule.Builder.target()") + inner class TargetFunction { + @Test + fun `should set target with function`() { + val rule = + RoutingRule + .Builder() + .target { RoutingTarget("orders") } + .build() + + val result = rule.target(testRecord) + assertThat(result.target).isEqualTo("orders") + } + + @Test + fun `should set target with fixed string and key`() { + val rule = + RoutingRule + .Builder() + .target("orders", "orderId") + .build() + + val result = rule.target(testRecord) + assertThat(result.target).isEqualTo("orders") + assertThat(result.key).isEqualTo("orderId") + } + + @Test + fun `should throw IllegalStateException when target not set`() { + assertThatThrownBy { + RoutingRule.Builder().build() + }.isInstanceOf(IllegalStateException::class.java) + } + + @Test + fun `should allow method chaining`() { + val builder = RoutingRule.Builder() + val result = builder.target("orders") + + assertThat(result).isNotNull + } + } + + @Nested + @DisplayName("RoutingRule.Builder.headers()") + inner class HeadersFunction { + @Test + fun `should set headers from map`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .headers { mapOf("version" to "1.0") } + .build() + + val result = rule.headers(testRecord) + assertThat(result).isEqualTo(mapOf("version" to "1.0")) + } + + @Test + fun `should merge multiple headers calls`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .headers { mapOf("version" to "1.0") } + .headers { mapOf("source" to "order-service") } + .build() + + val result = rule.headers(testRecord) + assertThat(result).isEqualTo(mapOf("version" to "1.0", "source" to "order-service")) + } + + @Test + fun `should override headers with same key`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .headers { mapOf("version" to "1.0") } + .headers { mapOf("version" to "2.0") } + .build() + + val result = rule.headers(testRecord) + assertThat(result).isEqualTo(mapOf("version" to "2.0")) + } + + @Test + fun `should return empty map by default`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .build() + + val result = rule.headers(testRecord) + assertThat(result).isEmpty() + } + + @Test + fun `should allow method chaining`() { + val builder = RoutingRule.Builder() + val result = builder.headers { mapOf("v" to "1.0") } + + assertThat(result).isNotNull + } + } + + @Nested + @DisplayName("RoutingRule.Builder.header()") + inner class HeaderFunction { + @Test + fun `should add single header`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .header("version", "1.0") + .build() + + val result = rule.headers(testRecord) + assertThat(result).isEqualTo(mapOf("version" to "1.0")) + } + + @Test + fun `should add multiple headers progressively`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .header("version", "1.0") + .header("source", "order-service") + .header("timestamp", "2025-11-19") + .build() + + val result = rule.headers(testRecord) + assertThat(result).isEqualTo( + mapOf( + "version" to "1.0", + "source" to "order-service", + "timestamp" to "2025-11-19", + ), + ) + } + + @Test + fun `should merge with headers() calls`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .headers { mapOf("v1" to "1.0") } + .header("v2", "2.0") + .headers { mapOf("v3" to "3.0") } + .build() + + val result = rule.headers(testRecord) + assertThat(result).isEqualTo( + mapOf("v1" to "1.0", "v2" to "2.0", "v3" to "3.0"), + ) + } + + @Test + fun `should override header with same key`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .header("version", "1.0") + .header("version", "2.0") + .build() + + val result = rule.headers(testRecord) + assertThat(result).isEqualTo(mapOf("version" to "2.0")) + } + + @Test + fun `should allow method chaining`() { + val builder = RoutingRule.Builder() + val result = builder.header("key", "value") + + assertThat(result).isNotNull + } + } + + @Nested + @DisplayName("RoutingRule.Builder.build()") + inner class BuildFunction { + @Test + fun `should build complete RoutingRule`() { + val rule = + RoutingRule + .Builder() + .target("orders") + .mapper { it.payload } + .headers { mapOf("v" to "1.0") } + .build() + + assertThat(rule).isNotNull + assertThat(rule.mapper).isNotNull + assertThat(rule.headers).isNotNull + assertThat(rule.target).isNotNull + } + + @Test + fun `should throw when target not configured`() { + assertThatThrownBy { + RoutingRule + .Builder() + .mapper { it.payload } + .build() + }.isInstanceOf(IllegalStateException::class.java) + .hasMessageContaining("target") + } + } + + @Nested + @DisplayName("RoutingRule Fluent API") + inner class FluentAPI { + @Test + fun `should support complete fluent chain`() { + val rule = + RoutingRule + .Builder() + .mapper { it.payload.uppercase() } + .target("orders", "orderId") + .header("version", "1.0") + .headers { mapOf("source" to "order-service") } + .build() + + val result = rule.target(testRecord) + assertThat(result.target).isEqualTo("orders") + assertThat(result.key).isEqualTo("orderId") + + val headers = rule.headers(testRecord) + assertThat(headers).isEqualTo(mapOf("version" to "1.0", "source" to "order-service")) + } + } +} diff --git a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingTargetTest.kt b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingTargetTest.kt new file mode 100644 index 0000000..f705df2 --- /dev/null +++ b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingTargetTest.kt @@ -0,0 +1,117 @@ +package io.namastack.outbox.routing + +import org.assertj.core.api.Assertions.assertThat +import org.junit.jupiter.api.DisplayName +import org.junit.jupiter.api.Nested +import org.junit.jupiter.api.Test + +@DisplayName("RoutingTarget Tests") +class RoutingTargetTest { + @Nested + @DisplayName("RoutingTarget Creation") + inner class Creation { + @Test + fun `should create RoutingTarget with target only`() { + val target = RoutingTarget("kafka:orders") + + assertThat(target.target).isEqualTo("kafka:orders") + assertThat(target.key).isNull() + } + + @Test + fun `should create RoutingTarget with target and key`() { + val target = RoutingTarget("kafka:orders", "orderId") + + assertThat(target.target).isEqualTo("kafka:orders") + assertThat(target.key).isEqualTo("orderId") + } + + @Test + fun `should create RoutingTarget with all fields`() { + val target = RoutingTarget("kafka:orders", "orderId") + + assertThat(target.target).isEqualTo("kafka:orders") + assertThat(target.key).isEqualTo("orderId") + } + } + + @Nested + @DisplayName("RoutingTarget.withKey()") + inner class WithKey { + @Test + fun `should update key`() { + val target = RoutingTarget("kafka:orders") + val updated = target.withKey("orderId") + + assertThat(updated.target).isEqualTo("kafka:orders") + assertThat(updated.key).isEqualTo("orderId") + } + + @Test + fun `should override existing key`() { + val target = RoutingTarget("kafka:orders", "oldKey") + val updated = target.withKey("newKey") + + assertThat(updated.key).isEqualTo("newKey") + } + + @Test + fun `should clear key when passed null`() { + val target = RoutingTarget("kafka:orders", "orderId") + val updated = target.withKey(null) + + assertThat(updated.key).isNull() + } + + @Test + fun `should return new instance`() { + val target = RoutingTarget("kafka:orders") + val updated = target.withKey("key") + + assertThat(updated.target).isEqualTo(target.target) + assertThat(target.key).isNull() + assertThat(updated.key).isEqualTo("key") + } + } + + @Nested + @DisplayName("RoutingTarget.forTarget()") + inner class ForTarget { + @Test + fun `should create RoutingTarget with target only`() { + val target = RoutingTarget.forTarget("kafka:orders") + + assertThat(target.target).isEqualTo("kafka:orders") + assertThat(target.key).isNull() + } + } + + @Nested + @DisplayName("RoutingTarget Data Class Properties") + inner class DataClassProperties { + @Test + fun `should be equal when all fields match`() { + val target1 = RoutingTarget("kafka:orders", "orderId") + val target2 = RoutingTarget("kafka:orders", "orderId") + + assertThat(target1).isEqualTo(target2) + } + + @Test + fun `should have different hash when fields differ`() { + val target1 = RoutingTarget("kafka:orders", "orderId") + val target2 = RoutingTarget("kafka:orders", "customerId") + + assertThat(target1.hashCode()).isNotEqualTo(target2.hashCode()) + } + + @Test + fun `should support copy() function`() { + val target = RoutingTarget("kafka:orders", "orderId") + val copied = target.copy(key = "newKey") + + assertThat(copied.target).isEqualTo("kafka:orders") + assertThat(copied.key).isEqualTo("newKey") + } + } +} From f5b5ddb225ee5b83c313519fac84942041f56695 Mon Sep 17 00:00:00 2001 From: Roland Beisel Date: Wed, 19 Nov 2025 23:21:12 +0100 Subject: [PATCH 2/2] GH-50 add kafka module and example --- build.gradle.kts | 4 +- gradle/libs.versions.toml | 3 + .../outbox/OutboxCoreAutoConfiguration.kt | 13 + .../outbox/routing/RoutingConfiguration.kt | 29 +- .../namastack/outbox/routing/RoutingTarget.kt | 2 +- .../outbox/OutboxCoreAutoConfigurationTest.kt | 188 +++++++++++++ .../outbox/routing/RoutingTargetTest.kt | 8 - .../build.gradle.kts | 33 +++ .../docker-compose.yml | 31 +++ .../gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 43764 bytes .../gradle/wrapper/gradle-wrapper.properties | 7 + .../namastack-outbox-example-kafka/gradlew | 251 ++++++++++++++++++ .../gradlew.bat | 94 +++++++ .../settings.gradle.kts | 1 + .../io/namastack/demo/DemoApplication.kt | 53 ++++ .../io/namastack/demo/DemoConfiguration.kt | 23 ++ .../kotlin/io/namastack/demo/DemoProcessor.kt | 29 ++ .../io/namastack/demo/customer/Customer.kt | 50 ++++ .../demo/customer/CustomerDeactivatedEvent.kt | 9 + .../demo/customer/CustomerRegisteredEvent.kt | 12 + .../demo/customer/CustomerRepository.kt | 6 + .../demo/customer/CustomerService.kt | 25 ++ .../src/main/resources/application.yml | 37 +++ namastack-outbox-kafka/build.gradle.kts | 20 ++ .../outbox/KafkaOutboxRecordProcessor.kt | 30 +++ .../outbox/OutboxKafkaAutoConfiguration.kt | 19 ++ ...ot.autoconfigure.AutoConfiguration.imports | 2 + .../outbox/KafkaOutboxRecordProcessorTest.kt | 0 settings.gradle.kts | 1 + 29 files changed, 969 insertions(+), 11 deletions(-) create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/build.gradle.kts create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/docker-compose.yml create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/gradle/wrapper/gradle-wrapper.jar create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/gradle/wrapper/gradle-wrapper.properties create mode 100755 namastack-outbox-examples/namastack-outbox-example-kafka/gradlew create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/gradlew.bat create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/settings.gradle.kts create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoApplication.kt create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoConfiguration.kt create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoProcessor.kt create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/Customer.kt create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerDeactivatedEvent.kt create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerRegisteredEvent.kt create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerRepository.kt create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerService.kt create mode 100644 namastack-outbox-examples/namastack-outbox-example-kafka/src/main/resources/application.yml create mode 100644 namastack-outbox-kafka/build.gradle.kts create mode 100644 namastack-outbox-kafka/src/main/kotlin/io/namastack/outbox/KafkaOutboxRecordProcessor.kt create mode 100644 namastack-outbox-kafka/src/main/kotlin/io/namastack/outbox/OutboxKafkaAutoConfiguration.kt create mode 100644 namastack-outbox-kafka/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports create mode 100644 namastack-outbox-kafka/src/test/kotlin/io/namastack/outbox/KafkaOutboxRecordProcessorTest.kt diff --git a/build.gradle.kts b/build.gradle.kts index a210578..43ebd77 100644 --- a/build.gradle.kts +++ b/build.gradle.kts @@ -20,6 +20,8 @@ plugins { dependencies { jacocoAggregation(project(":namastack-outbox-actuator")) jacocoAggregation(project(":namastack-outbox-core")) + jacocoAggregation(project(":namastack-outbox-kafka")) + jacocoAggregation(project(":namastack-outbox-jackson")) jacocoAggregation(project(":namastack-outbox-jpa")) jacocoAggregation(project(":namastack-outbox-metrics")) jacocoAggregation(project(":namastack-outbox-starter-jpa")) @@ -29,7 +31,7 @@ val isRelease = project.hasProperty("release") && project.property("release") == allprojects { group = "io.namastack" - version = "0.3.0" + if (!isRelease) "-SNAPSHOT" else "" + version = "0.4.0" + if (!isRelease) "-SNAPSHOT" else "" repositories { mavenLocal() diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml index 83568fc..e427b47 100644 --- a/gradle/libs.versions.toml +++ b/gradle/libs.versions.toml @@ -11,6 +11,7 @@ publish = "0.35.0" hibernate = "7.1.7.Final" springOrm = "6.2.12" springTx = "6.2.12" +springKafka = "4.0.0" h2 = "2.4.240" mockk = "1.14.6" assertj = "3.27.6" @@ -28,6 +29,8 @@ spring-boot-starter-logging = { module = "org.springframework.boot:spring-boot-s spring-boot-starter-test = { module = "org.springframework.boot:spring-boot-starter-test", version.ref = "springBoot" } spring-boot-starter-data-jpa = { module = "org.springframework.boot:spring-boot-starter-data-jpa", version.ref = "springBoot" } spring-boot-actuator = { module = "org.springframework.boot:spring-boot-actuator", version.ref = "springBoot" } +spring-kafka = { module = "org.springframework.kafka:spring-kafka", version.ref = "springKafka" } +spring-kafka-test = { module = "org.springframework.kafka:spring-kafka-test", version.ref = "springKafka" } spring-tx = { module = "org.springframework:spring-tx", version.ref = "springTx" } # Jakarta dependencies diff --git a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/OutboxCoreAutoConfiguration.kt b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/OutboxCoreAutoConfiguration.kt index 0f51f45..2be5ea0 100644 --- a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/OutboxCoreAutoConfiguration.kt +++ b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/OutboxCoreAutoConfiguration.kt @@ -3,6 +3,7 @@ package io.namastack.outbox import io.namastack.outbox.partition.PartitionCoordinator import io.namastack.outbox.retry.OutboxRetryPolicy import io.namastack.outbox.retry.OutboxRetryPolicyFactory +import io.namastack.outbox.routing.RoutingConfiguration import org.springframework.beans.factory.BeanFactory import org.springframework.beans.factory.annotation.Qualifier import org.springframework.boot.autoconfigure.AutoConfiguration @@ -162,4 +163,16 @@ class OutboxCoreAutoConfiguration { outboxProperties = outboxProperties, clock = clock, ) + + /** + * Creates a default routing configuration if none is provided. + * + * The default configuration routes all events using their eventType as the target + * and the aggregateId as the partition key to maintain strict ordering per aggregateId. + * + * @return Default RoutingConfiguration bean + */ + @Bean + @ConditionalOnMissingBean + fun routingConfiguration(): RoutingConfiguration = RoutingConfiguration.default() } diff --git a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingConfiguration.kt b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingConfiguration.kt index 8bf66fd..3b357be 100644 --- a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingConfiguration.kt +++ b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingConfiguration.kt @@ -84,19 +84,46 @@ class RoutingConfiguration private constructor( /** * Companion object providing factory methods and constants. + * + * @author Roland Beisel + * @since 0.4.0 */ companion object { /** * Key used to store the wildcard routing rule. + * + * The wildcard key "*" is used as a fallback when no specific route is configured + * for an event type. */ const val WILDCARD_ROUTE_KEY = "*" /** * Creates a new builder for configuring RoutingConfiguration. * - * @return A new Builder instance + * @return A new Builder instance for fluent configuration */ @JvmStatic fun builder() = Builder() + + /** + * Creates a default RoutingConfiguration with sensible defaults. + * + * The default configuration: + * - Routes all events using their eventType as the target/topic + * - Sets the aggregateId as the partition key to maintain ordering + * - Uses the raw payload without transformation + * + * @return A new RoutingConfiguration with default routing rules + */ + fun default(): RoutingConfiguration = + builder() + .routeAll { + target { record -> + RoutingTarget + .forTarget(record.eventType) + .withKey(record.aggregateId) + } + mapper { record -> record.payload } + }.build() } } diff --git a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingTarget.kt b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingTarget.kt index 0cee296..519a343 100644 --- a/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingTarget.kt +++ b/namastack-outbox-core/src/main/kotlin/io/namastack/outbox/routing/RoutingTarget.kt @@ -25,7 +25,7 @@ data class RoutingTarget( * @param key The partition/message key * @return A new RoutingTarget instance with updated key */ - fun withKey(key: String?): RoutingTarget = copy(key = key) + fun withKey(key: String): RoutingTarget = copy(key = key) companion object { /** diff --git a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/OutboxCoreAutoConfigurationTest.kt b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/OutboxCoreAutoConfigurationTest.kt index 04c4c2a..4c9ffac 100644 --- a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/OutboxCoreAutoConfigurationTest.kt +++ b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/OutboxCoreAutoConfigurationTest.kt @@ -5,6 +5,7 @@ import io.namastack.outbox.retry.ExponentialBackoffRetryPolicy import io.namastack.outbox.retry.FixedDelayRetryPolicy import io.namastack.outbox.retry.JitteredRetryPolicy import io.namastack.outbox.retry.OutboxRetryPolicy +import io.namastack.outbox.routing.RoutingConfiguration import org.assertj.core.api.Assertions.assertThat import org.junit.jupiter.api.DisplayName import org.junit.jupiter.api.Nested @@ -260,6 +261,91 @@ class OutboxCoreAutoConfigurationTest { } } + @Nested + @DisplayName("RoutingConfiguration") + inner class RoutingConfigurationTests { + @Test + fun `creates routing configuration when provided`() { + contextRunner + .withUserConfiguration(ConfigWithRoutingConfiguration::class.java) + .run { context -> + assertThat(context).hasSingleBean(RoutingConfiguration::class.java) + } + } + + @Test + fun `uses custom routing configuration when provided`() { + contextRunner + .withUserConfiguration(ConfigWithRoutingConfiguration::class.java) + .run { context -> + val routingConfig = context.getBean(RoutingConfiguration::class.java) + assertThat(routingConfig).isNotNull + assertThat(routingConfig).isSameAs(ConfigWithRoutingConfiguration.customRoutingConfig) + } + } + + @Test + fun `routing configuration can resolve routes`() { + contextRunner + .withUserConfiguration(ConfigWithRoutingConfiguration::class.java) + .run { context -> + val testRecord = OutboxRecordTestFactory.outboxRecord() + + val routingConfig = context.getBean(RoutingConfiguration::class.java) + val route = routingConfig.getRoute("TestEvent") + + assertThat(route).isNotNull + assertThat(route.target(testRecord).target).isEqualTo("test-topic") + } + } + + @Test + fun `routing configuration fallback to wildcard route`() { + contextRunner + .withUserConfiguration(ConfigWithWildcardRouting::class.java) + .run { context -> + val testRecord = OutboxRecordTestFactory.outboxRecord() + + val routingConfig = context.getBean(RoutingConfiguration::class.java) + val route = routingConfig.getRoute("UnknownEvent") + + assertThat(route).isNotNull + assertThat(route.target(testRecord).target).isEqualTo("fallback-topic") + } + } + + @Test + fun `routing configuration applies headers`() { + contextRunner + .withUserConfiguration(ConfigWithHeaderRouting::class.java) + .run { context -> + val testRecord = OutboxRecordTestFactory.outboxRecord() + + val routingConfig = context.getBean(RoutingConfiguration::class.java) + val route = routingConfig.getRoute("CreatedEvent") + val headers = route.headers(testRecord) + + assertThat(headers).containsEntry("event-type", "CreatedEvent") + assertThat(headers).containsEntry("source", "test-service") + } + } + + @Test + fun `routing configuration applies custom mapper`() { + contextRunner + .withUserConfiguration(ConfigWithMapperRouting::class.java) + .run { context -> + val testRecord = OutboxRecordTestFactory.outboxRecord() + + val routingConfig = context.getBean(RoutingConfiguration::class.java) + val route = routingConfig.getRoute("CreatedEvent") + val mappedPayload = route.mapper(testRecord) + + assertThat(mappedPayload).isEqualTo("PAYLOAD") + } + } + } + @EnableOutbox @Configuration private class MinimalTestConfig { @@ -375,4 +461,106 @@ class OutboxCoreAutoConfigurationTest { @Bean fun outboxInstanceRepository() = mockk(relaxed = true) } + + @EnableOutbox + @Configuration + private class ConfigWithRoutingConfiguration { + companion object { + val customRoutingConfig = + RoutingConfiguration + .builder() + .route("TestEvent") { target("test-topic") } + .build() + } + + @Bean + fun outboxRecordRepository() = mockk(relaxed = true) + + @Bean + fun outboxRecordProcessor() = mockk(relaxed = true) + + @Bean + fun outboxInstanceRepository() = mockk(relaxed = true) + + @Bean + fun outboxEventSerializer() = mockk(relaxed = true) + + @Bean + fun routingConfiguration() = customRoutingConfig + } + + @EnableOutbox + @Configuration + private class ConfigWithWildcardRouting { + @Bean + fun outboxRecordRepository() = mockk(relaxed = true) + + @Bean + fun outboxRecordProcessor() = mockk(relaxed = true) + + @Bean + fun outboxInstanceRepository() = mockk(relaxed = true) + + @Bean + fun outboxEventSerializer() = mockk(relaxed = true) + + @Bean + fun routingConfiguration() = + RoutingConfiguration + .builder() + .route("SpecificEvent") { target("specific-topic") } + .routeAll { target("fallback-topic") } + .build() + } + + @EnableOutbox + @Configuration + private class ConfigWithHeaderRouting { + @Bean + fun outboxRecordRepository() = mockk(relaxed = true) + + @Bean + fun outboxRecordProcessor() = mockk(relaxed = true) + + @Bean + fun outboxInstanceRepository() = mockk(relaxed = true) + + @Bean + fun outboxEventSerializer() = mockk(relaxed = true) + + @Bean + fun routingConfiguration() = + RoutingConfiguration + .builder() + .route("CreatedEvent") { + target("header-topic") + header("event-type", "CreatedEvent") + header("source", "test-service") + }.build() + } + + @EnableOutbox + @Configuration + private class ConfigWithMapperRouting { + @Bean + fun outboxRecordRepository() = mockk(relaxed = true) + + @Bean + fun outboxRecordProcessor() = mockk(relaxed = true) + + @Bean + fun outboxInstanceRepository() = mockk(relaxed = true) + + @Bean + fun outboxEventSerializer() = mockk(relaxed = true) + + @Bean + fun routingConfiguration() = + RoutingConfiguration + .builder() + .route("CreatedEvent") { + target("mapper-topic") + mapper { it.payload.uppercase() } + }.build() + } } diff --git a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingTargetTest.kt b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingTargetTest.kt index f705df2..7a3078a 100644 --- a/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingTargetTest.kt +++ b/namastack-outbox-core/src/test/kotlin/io/namastack/outbox/routing/RoutingTargetTest.kt @@ -55,14 +55,6 @@ class RoutingTargetTest { assertThat(updated.key).isEqualTo("newKey") } - @Test - fun `should clear key when passed null`() { - val target = RoutingTarget("kafka:orders", "orderId") - val updated = target.withKey(null) - - assertThat(updated.key).isNull() - } - @Test fun `should return new instance`() { val target = RoutingTarget("kafka:orders") diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/build.gradle.kts b/namastack-outbox-examples/namastack-outbox-example-kafka/build.gradle.kts new file mode 100644 index 0000000..ce5d7be --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/build.gradle.kts @@ -0,0 +1,33 @@ +plugins { + id("org.springframework.boot") version "3.5.6" + id("io.spring.dependency-management") version "1.1.7" + id("org.jetbrains.kotlin.plugin.jpa") version "2.2.20" + kotlin("jvm") version "2.2.20" + kotlin("plugin.spring") version "2.2.20" +} + +group = "io.namastack" +version = "0.1.0" + +repositories { + mavenLocal() + mavenCentral() +} + +dependencies { + implementation("org.jetbrains.kotlin:kotlin-reflect") + implementation("org.springframework.boot:spring-boot-starter") + implementation("org.springframework.boot:spring-boot-starter-data-jpa") + implementation("io.namastack:namastack-outbox-starter-jpa:0.4.0-SNAPSHOT") + implementation("io.namastack:namastack-outbox-kafka:0.4.0-SNAPSHOT") + implementation("org.flywaydb:flyway-core") + runtimeOnly("com.h2database:h2") + testImplementation("org.springframework.boot:spring-boot-starter-test") + testRuntimeOnly("org.junit.platform:junit-platform-launcher") +} + +allOpen { + annotation("jakarta.persistence.Entity") + annotation("jakarta.persistence.MappedSuperclass") + annotation("jakarta.persistence.Embeddable") +} diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/docker-compose.yml b/namastack-outbox-examples/namastack-outbox-example-kafka/docker-compose.yml new file mode 100644 index 0000000..036f4f9 --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/docker-compose.yml @@ -0,0 +1,31 @@ +services: + kafka: + image: apache/kafka:latest + container_name: kafka + environment: + KAFKA_NODE_ID: 1 + KAFKA_PROCESS_ROLES: broker,controller + KAFKA_LISTENERS: INTERNAL://0.0.0.0:29092,EXTERNAL://0.0.0.0:9092,CONTROLLER://0.0.0.0:9093 + KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka:29092,EXTERNAL://localhost:9092 + KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL + KAFKA_CONTROLLER_LISTENER_NAMES: CONTROLLER + KAFKA_CONTROLLER_QUORUM_VOTERS: 1@kafka:9093 + KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT,CONTROLLER:PLAINTEXT + KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1 + KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1 + KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1 + KAFKA_NUM_PARTITIONS: 3 + KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE: "true" + ports: + - "9092:9092" + - "29092:29092" + + kafka-ui: + image: provectuslabs/kafka-ui:latest + depends_on: + - kafka + ports: + - 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(https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH="\\\"\\\"" + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/gradlew.bat b/namastack-outbox-examples/namastack-outbox-example-kafka/gradlew.bat new file mode 100644 index 0000000..db3a6ac --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/gradlew.bat @@ -0,0 +1,94 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem +@rem SPDX-License-Identifier: Apache-2.0 +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH= + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/settings.gradle.kts b/namastack-outbox-examples/namastack-outbox-example-kafka/settings.gradle.kts new file mode 100644 index 0000000..4c4fd89 --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/settings.gradle.kts @@ -0,0 +1 @@ +rootProject.name = "namastack-outbox-example-kafka" diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoApplication.kt b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoApplication.kt new file mode 100644 index 0000000..ee73196 --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoApplication.kt @@ -0,0 +1,53 @@ +package io.namastack.demo + +import io.namastack.demo.customer.CustomerService +import io.namastack.outbox.EnableOutbox +import org.slf4j.LoggerFactory +import org.springframework.boot.CommandLineRunner +import org.springframework.boot.SpringApplication +import org.springframework.boot.autoconfigure.SpringBootApplication +import org.springframework.scheduling.annotation.EnableScheduling + +@EnableOutbox +@EnableScheduling +@SpringBootApplication +class DemoApplication( + private val customerService: CustomerService, +) : CommandLineRunner { + private val logger = LoggerFactory.getLogger(DemoApplication::class.java) + + companion object { + @JvmStatic + fun main(args: Array) { + SpringApplication.run(DemoApplication::class.java, *args) + } + } + + override fun run(vararg args: String?) { + logger.info("Starting Namastack Outbox Demo Application") + + val customer1 = + customerService.registerNew( + firstname = "John", + lastname = "Wayne", + email = "john.wayne@example.com", + ) + customerService.deactivate(customer1.id) + + val customer2 = + customerService.registerNew( + firstname = "Macy", + lastname = "Grey", + email = "macy.grey@example.com", + ) + customerService.deactivate(customer2.id) + + val customer3 = + customerService.registerNew( + firstname = "Lil", + lastname = "Joe", + email = "lil.joe@example.com", + ) + customerService.deactivate(customer3.id) + } +} diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoConfiguration.kt b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoConfiguration.kt new file mode 100644 index 0000000..be18e9d --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoConfiguration.kt @@ -0,0 +1,23 @@ +package io.namastack.demo + +import io.namastack.outbox.routing.RoutingConfiguration +import io.namastack.outbox.routing.RoutingTarget +import org.springframework.context.annotation.Bean +import org.springframework.context.annotation.Configuration + +@Configuration +class DemoConfiguration { + @Bean + fun routingConfiguration(): RoutingConfiguration = + RoutingConfiguration + .builder() + .routeAll { + target { record -> + RoutingTarget + .forTarget("demo-topic") + .withKey(record.aggregateId) + } + mapper { record -> record.payload } + headers { record -> mapOf("created_at" to record.createdAt.toString()) } + }.build() +} diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoProcessor.kt b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoProcessor.kt new file mode 100644 index 0000000..d4a98ba --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/DemoProcessor.kt @@ -0,0 +1,29 @@ +package io.namastack.demo + +import io.namastack.outbox.OutboxRecord +import io.namastack.outbox.OutboxRecordProcessor +import org.slf4j.LoggerFactory +import org.springframework.stereotype.Component + +@Component +class DemoProcessor : OutboxRecordProcessor { + private val logger = LoggerFactory.getLogger(DemoProcessor::class.java) + + override fun process(record: OutboxRecord) { + logger.info("Processing ${record.id} for aggregate ${record.aggregateId}") + simulateExternalServiceCall() + } + + private fun simulateExternalServiceCall() { + // Simulate network delay + Thread.sleep((50..150).random().toLong()) + + // Occasionally simulate failures for retry demonstration + if (Math.random() < 0.3) { // 30% failure rate + logger.warn("❌ Service temporarily unavailable - will retry") + throw RuntimeException("Simulated failure in DemoProcessor") + } + + logger.info("✅ Processing completed") + } +} diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/Customer.kt b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/Customer.kt new file mode 100644 index 0000000..c5d7782 --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/Customer.kt @@ -0,0 +1,50 @@ +package io.namastack.demo.customer + +import jakarta.persistence.Column +import jakarta.persistence.Entity +import jakarta.persistence.Id +import org.springframework.data.domain.AbstractAggregateRoot +import java.util.UUID + +@Entity(name = "customer") +data class Customer( + @Id + val id: UUID, + @Column(nullable = false) + val firstname: String, + @Column(nullable = false) + val lastname: String, + @Column(nullable = false) + val email: String, +) : AbstractAggregateRoot() { + companion object { + fun register( + firstname: String, + lastname: String, + email: String, + ): Customer { + val customer = + Customer( + id = UUID.randomUUID(), + firstname = firstname, + lastname = lastname, + email = email, + ) + + customer.registerEvent( + CustomerRegisteredEvent( + id = customer.id, + firstname = customer.firstname, + lastname = customer.lastname, + email = customer.email, + ), + ) + + return customer + } + } + + fun deactivate() { + registerEvent(CustomerDeactivatedEvent(id)) + } +} diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerDeactivatedEvent.kt b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerDeactivatedEvent.kt new file mode 100644 index 0000000..f7d03a8 --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerDeactivatedEvent.kt @@ -0,0 +1,9 @@ +package io.namastack.demo.customer + +import io.namastack.outbox.OutboxEvent +import java.util.UUID + +@OutboxEvent(aggregateId = "#root.id.toString()") +data class CustomerDeactivatedEvent( + val id: UUID, +) diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerRegisteredEvent.kt b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerRegisteredEvent.kt new file mode 100644 index 0000000..78a94e3 --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerRegisteredEvent.kt @@ -0,0 +1,12 @@ +package io.namastack.demo.customer + +import io.namastack.outbox.OutboxEvent +import java.util.UUID + +@OutboxEvent(aggregateId = "#root.id.toString()") +data class CustomerRegisteredEvent( + val id: UUID, + val firstname: String, + val lastname: String, + val email: String, +) diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerRepository.kt b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerRepository.kt new file mode 100644 index 0000000..5057e4c --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerRepository.kt @@ -0,0 +1,6 @@ +package io.namastack.demo.customer + +import org.springframework.data.jpa.repository.JpaRepository +import java.util.UUID + +interface CustomerRepository : JpaRepository diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerService.kt b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerService.kt new file mode 100644 index 0000000..b03d9f9 --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/kotlin/io/namastack/demo/customer/CustomerService.kt @@ -0,0 +1,25 @@ +package io.namastack.demo.customer + +import org.springframework.stereotype.Service +import java.util.UUID + +@Service +class CustomerService( + private val customerRepository: CustomerRepository, +) { + fun registerNew( + firstname: String, + lastname: String, + email: String, + ): Customer { + val customer = Customer.register(firstname = firstname, lastname = lastname, email = email) + return customerRepository.save(customer) + } + + fun deactivate(id: UUID) { + val customer = customerRepository.findById(id).orElseThrow() + customer.deactivate() + + customerRepository.save(customer) + } +} diff --git a/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/resources/application.yml b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/resources/application.yml new file mode 100644 index 0000000..1521e0e --- /dev/null +++ b/namastack-outbox-examples/namastack-outbox-example-kafka/src/main/resources/application.yml @@ -0,0 +1,37 @@ +spring: + application: + name: namastack-outbox-basic-example + + datasource: + url: jdbc:h2:mem:demo;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE + driverClassName: org.h2.Driver + username: sa + password: + + jpa: + database-platform: org.hibernate.dialect.H2Dialect + hibernate: + ddl-auto: create-drop + +outbox: + batch-size: 10 + poll-interval: 2000 + schema-initialization: + enabled: true + retry: + policy: jittered + max-retries: 3 + jittered: + base-policy: exponential + jitter: 1000 + exponential: + initial-delay: 1000 + max-delay: 60000 + multiplier: 2.0 + processing: + stop-on-first-failure: true + delete-completed-records: true + instance: + graceful-shutdown-timeout-seconds: 2 + heartbeat-interval-seconds: 5 + stale-instance-timeout-seconds: 10 diff --git a/namastack-outbox-kafka/build.gradle.kts b/namastack-outbox-kafka/build.gradle.kts new file mode 100644 index 0000000..78555ec --- /dev/null +++ b/namastack-outbox-kafka/build.gradle.kts @@ -0,0 +1,20 @@ +plugins { + alias(libs.plugins.kotlin.jvm) + alias(libs.plugins.kotlin.spring) + jacoco +} + +description = "namastack-outbox-metrics" + +dependencies { + implementation(project(":namastack-outbox-core")) + implementation(libs.spring.boot.autoconfigure) + implementation(libs.spring.kafka) + + testImplementation(libs.spring.boot.starter.test) + testImplementation(libs.kotlin.test.junit5) + testImplementation(libs.spring.kafka.test) + testImplementation(libs.assertj.core) + testImplementation(libs.mockk) + testRuntimeOnly(libs.junit.platform.launcher) +} diff --git a/namastack-outbox-kafka/src/main/kotlin/io/namastack/outbox/KafkaOutboxRecordProcessor.kt b/namastack-outbox-kafka/src/main/kotlin/io/namastack/outbox/KafkaOutboxRecordProcessor.kt new file mode 100644 index 0000000..c06a79a --- /dev/null +++ b/namastack-outbox-kafka/src/main/kotlin/io/namastack/outbox/KafkaOutboxRecordProcessor.kt @@ -0,0 +1,30 @@ +package io.namastack.outbox + +import io.namastack.outbox.routing.RoutingConfiguration +import org.springframework.kafka.core.KafkaOperations +import org.springframework.kafka.support.KafkaHeaders.KEY +import org.springframework.kafka.support.KafkaHeaders.TOPIC +import org.springframework.messaging.support.MessageBuilder + +class KafkaOutboxRecordProcessor( + private val routingConfiguration: RoutingConfiguration, + private val kafkaOperations: KafkaOperations, +) : OutboxRecordProcessor { + override fun process(record: OutboxRecord) { + val route = routingConfiguration.getRoute(record.eventType) + val targetRouting = route.target.invoke(record) + val payload = route.mapper.invoke(record) + val headers = route.headers.invoke(record) + + val messageBuilder = + MessageBuilder + .withPayload(payload) + .copyHeadersIfAbsent(headers) + .setHeaderIfAbsent(TOPIC, targetRouting.target) + .setHeaderIfAbsent(KEY, targetRouting.key ?: record.aggregateId) + + val message = messageBuilder.build() + + kafkaOperations.send(message).get() + } +} diff --git a/namastack-outbox-kafka/src/main/kotlin/io/namastack/outbox/OutboxKafkaAutoConfiguration.kt b/namastack-outbox-kafka/src/main/kotlin/io/namastack/outbox/OutboxKafkaAutoConfiguration.kt new file mode 100644 index 0000000..e5fa941 --- /dev/null +++ b/namastack-outbox-kafka/src/main/kotlin/io/namastack/outbox/OutboxKafkaAutoConfiguration.kt @@ -0,0 +1,19 @@ +package io.namastack.outbox + +import io.namastack.outbox.routing.RoutingConfiguration +import org.springframework.boot.autoconfigure.AutoConfiguration +import org.springframework.boot.autoconfigure.condition.ConditionalOnBean +import org.springframework.context.annotation.Bean +import org.springframework.context.annotation.Primary +import org.springframework.kafka.core.KafkaOperations + +@AutoConfiguration +@ConditionalOnBean(annotation = [EnableOutbox::class]) +internal class OutboxKafkaAutoConfiguration { + @Bean + @Primary + fun kafkaOutboxRecordProcessor( + routingConfiguration: RoutingConfiguration, + kafkaOperations: KafkaOperations, + ): OutboxRecordProcessor = KafkaOutboxRecordProcessor(routingConfiguration, kafkaOperations) +} diff --git a/namastack-outbox-kafka/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports b/namastack-outbox-kafka/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports new file mode 100644 index 0000000..c382692 --- /dev/null +++ b/namastack-outbox-kafka/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports @@ -0,0 +1,2 @@ +io.namastack.outbox.OutboxKafkaAutoConfiguration + diff --git a/namastack-outbox-kafka/src/test/kotlin/io/namastack/outbox/KafkaOutboxRecordProcessorTest.kt b/namastack-outbox-kafka/src/test/kotlin/io/namastack/outbox/KafkaOutboxRecordProcessorTest.kt new file mode 100644 index 0000000..e69de29 diff --git a/settings.gradle.kts b/settings.gradle.kts index f70686d..04d426b 100644 --- a/settings.gradle.kts +++ b/settings.gradle.kts @@ -4,5 +4,6 @@ include("namastack-outbox-core") include("namastack-outbox-jpa") include("namastack-outbox-metrics") include("namastack-outbox-jackson") +include("namastack-outbox-kafka") include("namastack-outbox-actuator") include("namastack-outbox-starter-jpa")