Make LettuceObservationContext public to use it with Observation Predicates.

Close #2550

Author: mp911de

src/main/java/org/springframework/data/redis/connection/lettuce/observability/LettuceObservationContext.java

@@ -15,21 +15,21 @@
  */
 package org.springframework.data.redis.connection.lettuce.observability;
 
-import org.springframework.lang.Nullable;
-
 import io.lettuce.core.protocol.RedisCommand;
 import io.lettuce.core.tracing.Tracing.Endpoint;
 import io.micrometer.observation.Observation;
 import io.micrometer.observation.transport.Kind;
 import io.micrometer.observation.transport.SenderContext;
 
+import org.springframework.lang.Nullable;
+
 /**
  * Micrometer {@link Observation.Context} holding Lettuce contextual details.
  *
  * @author Mark Paluch
  * @since 3.0
  */
-class LettuceObservationContext extends SenderContext<Object> {
+public class LettuceObservationContext extends SenderContext<Object> {
 
 	private volatile @Nullable RedisCommand<?, ?, ?> command;
 

src/main/java/org/springframework/data/redis/connection/lettuce/observability/MicrometerTracingAdapter.java

@@ -15,13 +15,6 @@
  */
 package org.springframework.data.redis.connection.lettuce.observability;
 
-import java.net.SocketAddress;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.springframework.data.redis.connection.lettuce.observability.RedisObservation.HighCardinalityCommandKeyNames;
-import org.springframework.lang.Nullable;
-
 import io.lettuce.core.protocol.CompleteableCommand;
 import io.lettuce.core.protocol.RedisCommand;
 import io.lettuce.core.tracing.TraceContext;
@@ -35,6 +28,13 @@
 import io.micrometer.observation.contextpropagation.ObservationThreadLocalAccessor;
 import reactor.core.publisher.Mono;
 
+import java.net.SocketAddress;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.springframework.data.redis.connection.lettuce.observability.RedisObservation.HighCardinalityCommandKeyNames;
+import org.springframework.lang.Nullable;
+
 /**
  * {@link Tracing} adapter using Micrometer's {@link Observation}. This adapter integrates with Micrometer to propagate
  * observations into timers, distributed traces and any other registered handlers. Observations include a set of tags
@@ -111,7 +111,7 @@ public Endpoint createEndpoint(SocketAddress socketAddress) {
 	/**
 	 * {@link Tracer} implementation based on Micrometer's {@link ObservationRegistry}.
 	 */
-	class MicrometerTracer extends Tracer {
+	public class MicrometerTracer extends Tracer {
 
 		private final ObservationRegistry observationRegistry;
 

src/main/java/org/springframework/data/redis/connection/lettuce/observability/RedisObservation.java

@@ -24,7 +24,7 @@
  * @author Mark Paluch
  * @since 3.0
  */
-enum RedisObservation implements ObservationDocumentation {
+public enum RedisObservation implements ObservationDocumentation {
 
 	/**
 	 * Timer created around a Redis command execution.