Minor refactoring on roach-data-jpa-orders

Author: kai-niemi

roach-data-jpa-orders/src/main/java/io/roach/data/jpa/OrderClient.java

@@ -0,0 +1,36 @@
+package io.roach.data.jpa;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Component;
+
+@Component
+public class OrderClient implements CommandLineRunner {
+    protected final Logger logger = LoggerFactory.getLogger(getClass());
+
+    @Autowired
+    private OrderSystemFacade orderSystemFacade;
+
+    @Override
+    public void run(String... args) {
+        logger.info("Clear all...");
+        orderSystemFacade.clearAll();
+
+        logger.info("Creating products...");
+        orderSystemFacade.createProductInventory();
+
+        logger.info("Creating customers...");
+        orderSystemFacade.createCustomers();
+
+        logger.info("Creating orders...");
+        orderSystemFacade.createOrders();
+
+        logger.info("Listing orders...");
+        orderSystemFacade.listOrders();
+
+        logger.info("Removing orders...");
+        orderSystemFacade.removeOrders();
+    }
+}

roach-data-jpa-orders/src/main/java/io/roach/data/jpa/ShoppingSystemFacade.java renamed to roach-data-jpa-orders/src/main/java/io/roach/data/jpa/OrderSystemFacade.java

@@ -20,7 +20,7 @@
 import io.roach.data.jpa.repository.ProductRepository;
 
 @Service
-public class ShoppingSystemFacade {
+public class OrderSystemFacade {
     protected static final Logger logger = LoggerFactory.getLogger(JpaOrdersApplication.class);
 
     @Autowired

roach-data-jpa-orders/src/main/java/io/roach/data/jpa/SchemaExporter.java

@@ -32,8 +32,8 @@ public class SchemaExporter {
             Product.class
     };
 
-    public static void _main(String[] args) throws IOException {
-        boolean drop = true;
+    public static void main(String[] args) throws IOException {
+        boolean drop = false;
         Path outFile = null;
         String delimiter = ";";
         Class dialect = CockroachDB201Dialect.class;
@@ -71,7 +71,7 @@ public static void _main(String[] args) throws IOException {
 
         MetadataSources metadataSources = new MetadataSources(standardRegistry);
 
-        Arrays.stream(ENTITY_TYPES).sequential().forEach(clazz -> metadataSources.addAnnotatedClass(clazz));
+        Arrays.stream(ENTITY_TYPES).sequential().forEach(metadataSources::addAnnotatedClass);
 
         MetadataBuilder metadataBuilder = metadataSources.getMetadataBuilder();
         metadataBuilder.applyImplicitNamingStrategy(ImplicitNamingStrategyJpaCompliantImpl.INSTANCE);

roach-data-jpa-orders/src/main/java/io/roach/data/jpa/ShoppingClient.java

@@ -33,7 +33,7 @@ public Builder withCustomer(Customer customer) {
         }
 
         public OrderItem.Builder andOrderItem() {
-            return new OrderItem.Builder(this, orderItem -> orderItems.add(orderItem));
+            return new OrderItem.Builder(this, orderItems::add);
         }
 
         public Order build() {