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Posted to commits@camel.apache.org by ja...@apache.org on 2009/02/04 19:55:05 UTC
svn commit: r740822 -
/camel/trunk/camel-core/src/test/java/org/apache/camel/processor/ComposedMessageProcessorTest.java
Author: janstey
Date: Wed Feb 4 18:55:05 2009
New Revision: 740822
URL: http://svn.apache.org/viewvc?rev=740822&view=rev
Log:
CAMEL-1315 - Add example of the Composed Message Processor EIP
Added:
camel/trunk/camel-core/src/test/java/org/apache/camel/processor/ComposedMessageProcessorTest.java (with props)
Added: camel/trunk/camel-core/src/test/java/org/apache/camel/processor/ComposedMessageProcessorTest.java
URL: http://svn.apache.org/viewvc/camel/trunk/camel-core/src/test/java/org/apache/camel/processor/ComposedMessageProcessorTest.java?rev=740822&view=auto
==============================================================================
--- camel/trunk/camel-core/src/test/java/org/apache/camel/processor/ComposedMessageProcessorTest.java (added)
+++ camel/trunk/camel-core/src/test/java/org/apache/camel/processor/ComposedMessageProcessorTest.java Wed Feb 4 18:55:05 2009
@@ -0,0 +1,150 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.processor;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.camel.Body;
+import org.apache.camel.ContextTestSupport;
+import org.apache.camel.Exchange;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.impl.JndiRegistry;
+import org.apache.camel.processor.aggregate.AggregationStrategy;
+
+public class ComposedMessageProcessorTest extends ContextTestSupport {
+
+ @SuppressWarnings("unchecked")
+ public void testValidatingCorrectOrder() throws Exception {
+ MockEndpoint resultEndpoint = getMockEndpoint("mock:result");
+ resultEndpoint.expectedMessageCount(1);
+ resultEndpoint.expectedHeaderReceived("orderId", "myorderid");
+
+ List<OrderItem> order = Arrays.asList(new OrderItem[] {
+ new OrderItem("widget", 5),
+ new OrderItem("gadget", 10)});
+
+ template.sendBodyAndHeader("direct:start", order, "orderId", "myorderid");
+
+ assertMockEndpointsSatisfied();
+
+ List<OrderItem> validatedOrder = resultEndpoint.getExchanges().get(0).getIn().getBody(List.class);
+ assertTrue(validatedOrder.get(0).valid);
+ assertTrue(validatedOrder.get(1).valid);
+ }
+
+ @SuppressWarnings("unchecked")
+ public void testValidatingIncorrectOrder() throws Exception {
+ MockEndpoint resultEndpoint = getMockEndpoint("mock:result");
+ resultEndpoint.expectedMessageCount(1);
+ resultEndpoint.expectedHeaderReceived("orderId", "myorderid");
+
+ List<OrderItem> order = Arrays.asList(new OrderItem[] {
+ new OrderItem("widget", 500),
+ new OrderItem("gadget", 200)});
+
+ template.sendBodyAndHeader("direct:start", order, "orderId", "myorderid");
+
+ assertMockEndpointsSatisfied();
+
+ List<OrderItem> validatedOrder = resultEndpoint.getExchanges().get(0).getIn().getBody(List.class);
+ assertFalse(validatedOrder.get(0).valid);
+ assertFalse(validatedOrder.get(1).valid);
+ }
+
+ protected JndiRegistry createRegistry() throws Exception {
+ JndiRegistry jndi = super.createRegistry();
+ jndi.bind("orderItemHelper", new OrderItemHelper());
+ jndi.bind("widgetInventory", new WidgetInventory());
+ jndi.bind("gadgetInventory", new GadgetInventory());
+ return jndi;
+ }
+
+ protected RouteBuilder createRouteBuilder() {
+ return new RouteBuilder() {
+ public void configure() {
+ // split up the order so individual OrderItems can be validated by the appropriate bean
+ from("direct:start").split().body().choice()
+ .when().method("orderItemHelper", "isWidget").to("bean:widgetInventory", "seda:aggregate")
+ .otherwise().to("bean:gadgetInventory", "seda:aggregate");
+
+ // collect and re-assemble the validated OrderItems into an order again
+ from("seda:aggregate").aggregate(new MyOrderAggregationStrategy()).header("orderId").to("mock:result");
+ }
+ };
+ }
+
+ public static final class OrderItem {
+ String type; // type of the item
+ int quantity; // how many we want
+ boolean valid; // whether that many items can be ordered
+
+ public OrderItem(String type, int quantity) {
+ this.type = type;
+ this.quantity = quantity;
+ }
+ }
+
+ public static final class OrderItemHelper {
+ private OrderItemHelper() {
+ }
+
+ public static boolean isWidget(@Body OrderItem orderItem) {
+ return orderItem.type.equals("widget");
+ }
+ }
+
+ /**
+ * Bean that checks whether the specified number of widgets can be ordered
+ */
+ public static final class WidgetInventory {
+ public void checkInventory(@Body OrderItem orderItem) {
+ assertEquals("widget", orderItem.type);
+ if (orderItem.quantity < 10) {
+ orderItem.valid = true;
+ }
+ }
+ }
+
+ /**
+ * Bean that checks whether the specified number of gadgets can be ordered
+ */
+ public static final class GadgetInventory {
+ public void checkInventory(@Body OrderItem orderItem) {
+ assertEquals("gadget", orderItem.type);
+ if (orderItem.quantity < 20) {
+ orderItem.valid = true;
+ }
+ }
+ }
+
+ /**
+ * Aggregation strategy that re-assembles the validated OrderItems
+ * into an order, which is just a List.
+ */
+ public static final class MyOrderAggregationStrategy implements AggregationStrategy {
+ public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
+ List<OrderItem> order = new ArrayList<OrderItem>(2);
+ order.add(oldExchange.getIn().getBody(OrderItem.class));
+ order.add(newExchange.getIn().getBody(OrderItem.class));
+ oldExchange.getIn().setBody(order);
+ return oldExchange;
+ }
+ }
+}
Propchange: camel/trunk/camel-core/src/test/java/org/apache/camel/processor/ComposedMessageProcessorTest.java
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