| /** |
| * 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.ExecutorService; |
| import java.util.concurrent.SynchronousQueue; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| |
| /** |
| * @version |
| */ |
| public class ThreadsRejectedExecutionTest extends ContextTestSupport { |
| |
| @Override |
| public boolean isUseRouteBuilder() { |
| return false; |
| } |
| |
| public void testThreadsRejectedExecution() throws Exception { |
| context.addRoutes(new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| // use a custom pool which rejects any new tasks while currently in progress |
| // this should force the ThreadsProcessor to run the tasks itself |
| ExecutorService pool = new ThreadPoolExecutor(1, 1, 0, TimeUnit.SECONDS, new SynchronousQueue<Runnable>()); |
| |
| context.setTracing(true); |
| |
| from("seda:start") |
| .to("log:before") |
| // will use our custom pool |
| .threads().executorService(pool) |
| .delay(1000) |
| .to("log:after") |
| .to("mock:result"); |
| } |
| }); |
| context.start(); |
| |
| getMockEndpoint("mock:result").expectedMessageCount(3); |
| |
| template.sendBody("seda:start", "Hello World"); |
| template.sendBody("seda:start", "Hi World"); |
| template.sendBody("seda:start", "Bye World"); |
| |
| assertMockEndpointsSatisfied(); |
| } |
| |
| public void testThreadsRejectedExecutionCallerNotRuns() throws Exception { |
| context.addRoutes(new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| // use a custom pool which rejects any new tasks while currently in progress |
| // this should force the ThreadsProcessor to run the tasks itself |
| ExecutorService pool = new ThreadPoolExecutor(1, 1, 0, TimeUnit.SECONDS, new SynchronousQueue<Runnable>()); |
| |
| context.setTracing(true); |
| |
| from("seda:start") |
| .to("log:before") |
| // will use our custom pool |
| .threads().executorService(pool).callerRunsWhenRejected(false) |
| .delay(1000) |
| .to("log:after") |
| .to("mock:result"); |
| } |
| }); |
| context.start(); |
| |
| MockEndpoint mock = getMockEndpoint("mock:result"); |
| mock.expectedMessageCount(3); |
| // wait at most 5 seconds |
| mock.setResultWaitTime(5000); |
| |
| template.sendBody("seda:start", "Hello World"); |
| template.sendBody("seda:start", "Hi World"); |
| template.sendBody("seda:start", "Bye World"); |
| |
| // should not be possible to route all 3 |
| mock.assertIsNotSatisfied(); |
| |
| // only 1 should arrive |
| assertEquals(1, mock.getReceivedCounter()); |
| } |
| |
| } |