| /* |
| * 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.axis2.transport.base.threads.watermark; |
| |
| import java.util.concurrent.*; |
| |
| /** |
| * An {@link ExecutorService} that executes each submitted task using |
| * one of possibly several pooled threads, but the execution happens differently |
| * from the {@link ThreadPoolExecutor}. In this executor after all the core pool threads |
| * are used queuing happens until the water mark. If the more tasks are submitted after |
| * the queue is filled up to the water mark the number of threads increases to max. |
| * If the number of tasks continue to increase the Queue begins to fill up. If the queue |
| * is a bounded queue and the queue is completely filled a {@link RejectedExecutionHandler} |
| * is executed if one specified. Otherwise the task is rejected. |
| */ |
| public class WaterMarkExecutor extends ThreadPoolExecutor { |
| public WaterMarkExecutor(int core, int max, long keepAlive, |
| TimeUnit timeUnit, WaterMarkQueue<Runnable> queue) { |
| super(core, max, keepAlive, timeUnit, queue, new WaterMarkRejectionHandler(null)); |
| } |
| |
| public WaterMarkExecutor(int core, int max, long keepAlive, |
| TimeUnit timeUnit, WaterMarkQueue<Runnable> queue, |
| ThreadFactory threadFactory) { |
| super(core, max, keepAlive, |
| timeUnit, queue, threadFactory, new WaterMarkRejectionHandler(null)); |
| } |
| |
| public WaterMarkExecutor(int core, int max, |
| long keepAlive, TimeUnit timeUnit, |
| WaterMarkQueue<Runnable> queue, |
| RejectedExecutionHandler rejectedExecutionHandler) { |
| |
| super(core, max, keepAlive, timeUnit, |
| queue, new WaterMarkRejectionHandler(rejectedExecutionHandler)); |
| } |
| |
| public WaterMarkExecutor(int core, int max, long keepAlive, |
| TimeUnit timeUnit, WaterMarkQueue<Runnable> queue, |
| ThreadFactory threadFactory, |
| RejectedExecutionHandler rejectedExecutionHandler) { |
| super(core, max, keepAlive, timeUnit, |
| queue, threadFactory, new WaterMarkRejectionHandler(rejectedExecutionHandler)); |
| } |
| } |