Package org.apache.camel.processor

Source Code of org.apache.camel.processor.SplitterParallelStopOnExceptionTest

/**
* 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.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.apache.camel.CamelExchangeException;
import org.apache.camel.CamelExecutionException;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;

/**
* @version
*/
public class SplitterParallelStopOnExceptionTest extends ContextTestSupport {

    private ExecutorService service;
   
    protected void setUp() throws Exception {
        // use a pool with 2 concurrent tasks so we cannot run too fast
        service = Executors.newFixedThreadPool(2);
        super.setUp();
    }
   
    protected void tearDown() throws Exception {
        super.tearDown();
        service.shutdownNow();
    }

    public void testSplitParallelStopOnExceptionOk() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:split");
        mock.expectedBodiesReceivedInAnyOrder("Hello World", "Bye World");

        template.sendBody("direct:start", "Hello World,Bye World");

        assertMockEndpointsSatisfied();
    }

    public void testSplitParallelStopOnExceptionStop() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:split");
        mock.expectedMinimumMessageCount(0);
        mock.allMessages().body().isNotEqualTo("Kaboom");

        try {
            template.sendBody("direct:start", "Hello World,Goodday World,Kaboom,Bye World");
            fail("Should thrown an exception");
        } catch (CamelExecutionException e) {
            CamelExchangeException cause = assertIsInstanceOf(CamelExchangeException.class, e.getCause());
            assertTrue(cause.getMessage().startsWith("Parallel processing failed for number "));
            assertTrue(cause.getMessage().contains("Exchange[Message: Kaboom]"));
            assertEquals("Forced", cause.getCause().getMessage());
        }

        assertMockEndpointsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
               
                from("direct:start")
                        .split(body().tokenize(",")).parallelProcessing().stopOnException().executorService(service)
                        .process(new Processor() {
                            public void process(Exchange exchange) throws Exception {
                                String body = exchange.getIn().getBody(String.class);
                                if ("Kaboom".equals(body)) {
                                    throw new IllegalArgumentException("Forced");
                                }
                            }
                        }).to("mock:split");
            }
        };
    }

}
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