EnricherSendEventTest.java

/**
 * 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.enricher;

import java.util.EventObject;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import org.apache.camel.CamelContext;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.management.DefaultManagementStrategy;
import org.apache.camel.management.event.ExchangeSendingEvent;
import org.apache.camel.management.event.ExchangeSentEvent;
import org.apache.camel.processor.async.MyAsyncComponent;
import org.apache.camel.spi.ManagementStrategy;
import org.apache.camel.spi.ShutdownStrategy;
import org.apache.camel.support.EventNotifierSupport;


public class EnricherSendEventTest extends ContextTestSupport {
    private MyEventNotifier en = new MyEventNotifier();
    
    public void testAsyncEnricher() throws Exception {
        
        template.sendBody("direct:start1", "test");
        assertEquals("Get a wrong sending event number", 3, en.exchangeSendingEvent.get());
        assertEquals("Get a wrong sent event number", 3, en.exchangeSentEvent.get());
    }
    
    
    public void testSyncEnricher() throws Exception {
        template.sendBody("direct:start2", "test");
        assertEquals("Get a wrong sending event number", 3, en.exchangeSendingEvent.get());
        assertEquals("Get a wrong sent event number", 3, en.exchangeSentEvent.get());
    }
    
    protected CamelContext createCamelContext() throws Exception {
        CamelContext camelContext = super.createCamelContext();
        ShutdownStrategy shutdownStrategy = camelContext.getShutdownStrategy();
        camelContext.addComponent("async", new MyAsyncComponent());
        
        shutdownStrategy.setTimeout(1000);
        shutdownStrategy.setTimeUnit(TimeUnit.MILLISECONDS);
        shutdownStrategy.setShutdownNowOnTimeout(true);
       

        ManagementStrategy managementStrategy = new DefaultManagementStrategy();
        managementStrategy.addEventNotifier(en);
        
        camelContext.setManagementStrategy(managementStrategy);
        return camelContext;
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() throws Exception {
                from("direct:start1")
                    // using the async utility component to ensure that the async routing engine kicks in
                    .enrich("async:out?reply=Reply")
                    .to("mock:result");
                
                from("direct:start2")
                    .enrich("direct:result")
                    .to("mock:result");
                
                from("direct:result").setBody(constant("result"));
            }
        };
    }
    
    static class MyEventNotifier extends EventNotifierSupport {
        
        AtomicInteger exchangeSendingEvent = new AtomicInteger();
        AtomicInteger exchangeSentEvent = new AtomicInteger();
      
        
        @Override
        public void notify(EventObject event) throws Exception {
            
            if (event instanceof ExchangeSendingEvent) {
                exchangeSendingEvent.incrementAndGet();
            } else if (event instanceof ExchangeSentEvent) {
                exchangeSentEvent.incrementAndGet();
            }
        }

        @Override
        public boolean isEnabled(EventObject event) {
            return true;
        }

        @Override
        protected void doStart() throws Exception {
        }

        @Override
        protected void doStop() throws Exception {
        }
    }


}