| /** |
| * 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.builder; |
| |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.ThreadPoolRejectedPolicy; |
| import org.apache.camel.spi.ThreadPoolProfile; |
| |
| /** |
| * A builder to create thread pools. |
| * |
| * @version |
| */ |
| public final class ThreadPoolBuilder { |
| |
| // reuse a profile to store the settings |
| private final ThreadPoolProfile profile; |
| private final CamelContext context; |
| |
| public ThreadPoolBuilder(CamelContext context) { |
| this.context = context; |
| this.profile = new ThreadPoolProfile(); |
| } |
| |
| public ThreadPoolBuilder poolSize(int poolSize) { |
| profile.setPoolSize(poolSize); |
| return this; |
| } |
| |
| public ThreadPoolBuilder maxPoolSize(int maxPoolSize) { |
| profile.setMaxPoolSize(maxPoolSize); |
| return this; |
| } |
| |
| public ThreadPoolBuilder keepAliveTime(long keepAliveTime, TimeUnit timeUnit) { |
| profile.setKeepAliveTime(keepAliveTime); |
| profile.setTimeUnit(timeUnit); |
| return this; |
| } |
| |
| public ThreadPoolBuilder keepAliveTime(long keepAliveTime) { |
| profile.setKeepAliveTime(keepAliveTime); |
| return this; |
| } |
| |
| public ThreadPoolBuilder maxQueueSize(int maxQueueSize) { |
| profile.setMaxQueueSize(maxQueueSize); |
| return this; |
| } |
| |
| public ThreadPoolBuilder rejectedPolicy(ThreadPoolRejectedPolicy rejectedPolicy) { |
| profile.setRejectedPolicy(rejectedPolicy); |
| return this; |
| } |
| |
| /** |
| * Builds the new thread pool |
| * |
| * @return the created thread pool |
| * @throws Exception is thrown if error building the thread pool |
| */ |
| public ExecutorService build() throws Exception { |
| return build(null, null); |
| } |
| |
| /** |
| * Builds the new thread pool |
| * |
| * @param name name which is appended to the thread name |
| * @return the created thread pool |
| * @throws Exception is thrown if error building the thread pool |
| */ |
| public ExecutorService build(String name) throws Exception { |
| return build(null, name); |
| } |
| |
| /** |
| * Builds the new thread pool |
| * |
| * @param source the source object, usually it should be <tt>this</tt> passed in as parameter |
| * @param name name which is appended to the thread name |
| * @return the created thread pool |
| * @throws Exception is thrown if error building the thread pool |
| */ |
| public ExecutorService build(Object source, String name) throws Exception { |
| return context.getExecutorServiceManager().newThreadPool(source, name, profile); |
| } |
| |
| /** |
| * Builds the new scheduled thread pool |
| * |
| * @return the created scheduled thread pool |
| * @throws Exception is thrown if error building the scheduled thread pool |
| */ |
| public ScheduledExecutorService buildScheduled() throws Exception { |
| return buildScheduled(null, null); |
| } |
| |
| /** |
| * Builds the new scheduled thread pool |
| * |
| * @param name name which is appended to the thread name |
| * @return the created scheduled thread pool |
| * @throws Exception is thrown if error building the scheduled thread pool |
| */ |
| public ScheduledExecutorService buildScheduled(String name) throws Exception { |
| return buildScheduled(null, name); |
| } |
| |
| /** |
| * Builds the new scheduled thread pool |
| * |
| * @param source the source object, usually it should be <tt>this</tt> passed in as parameter |
| * @param name name which is appended to the thread name |
| * @return the created scheduled thread pool |
| * @throws Exception is thrown if error building the scheduled thread pool |
| */ |
| public ScheduledExecutorService buildScheduled(Object source, String name) throws Exception { |
| return context.getExecutorServiceManager().newScheduledThreadPool(source, name, profile); |
| } |
| |
| } |