001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.management.mbean; 018 019import java.util.concurrent.BlockingQueue; 020import java.util.concurrent.ThreadPoolExecutor; 021import java.util.concurrent.TimeUnit; 022 023import org.apache.camel.CamelContext; 024import org.apache.camel.api.management.ManagedResource; 025import org.apache.camel.api.management.mbean.ManagedThreadsMBean; 026import org.apache.camel.model.ProcessorDefinition; 027import org.apache.camel.processor.ThreadsProcessor; 028 029/** 030 * @version 031 */ 032@ManagedResource(description = "Managed Threads") 033public class ManagedThreads extends ManagedProcessor implements ManagedThreadsMBean { 034 private final ThreadsProcessor processor; 035 036 public ManagedThreads(CamelContext context, ThreadsProcessor processor, ProcessorDefinition<?> definition) { 037 super(context, processor, definition); 038 this.processor = processor; 039 } 040 041 @Override 042 public Boolean isCallerRunsWhenRejected() { 043 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 044 String name = getRejectedPolicy(); 045 return "CallerRuns".equals(name); 046 } else { 047 return null; 048 } 049 } 050 051 @Override 052 public String getRejectedPolicy() { 053 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 054 return ((ThreadPoolExecutor) processor.getExecutorService()).getRejectedExecutionHandler().toString(); 055 } else { 056 return null; 057 } 058 } 059 060 @Override 061 public int getCorePoolSize() { 062 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 063 return ((ThreadPoolExecutor) processor.getExecutorService()).getCorePoolSize(); 064 } else { 065 return 0; 066 } 067 } 068 069 @Override 070 public int getPoolSize() { 071 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 072 return ((ThreadPoolExecutor) processor.getExecutorService()).getPoolSize(); 073 } else { 074 return 0; 075 } 076 } 077 078 @Override 079 public int getMaximumPoolSize() { 080 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 081 return ((ThreadPoolExecutor) processor.getExecutorService()).getMaximumPoolSize(); 082 } else { 083 return 0; 084 } 085 } 086 087 @Override 088 public int getLargestPoolSize() { 089 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 090 return ((ThreadPoolExecutor) processor.getExecutorService()).getLargestPoolSize(); 091 } else { 092 return 0; 093 } 094 } 095 096 @Override 097 public int getActiveCount() { 098 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 099 return ((ThreadPoolExecutor) processor.getExecutorService()).getActiveCount(); 100 } else { 101 return 0; 102 } 103 } 104 105 @Override 106 public long getTaskCount() { 107 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 108 return ((ThreadPoolExecutor) processor.getExecutorService()).getTaskCount(); 109 } else { 110 return 0; 111 } 112 } 113 114 @Override 115 public long getCompletedTaskCount() { 116 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 117 return ((ThreadPoolExecutor) processor.getExecutorService()).getCompletedTaskCount(); 118 } else { 119 return 0; 120 } 121 } 122 123 @Override 124 public long getTaskQueueSize() { 125 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 126 BlockingQueue queue = ((ThreadPoolExecutor) processor.getExecutorService()).getQueue(); 127 return queue != null ? queue.size() : 0; 128 } else { 129 return 0; 130 } 131 } 132 133 @Override 134 public long getKeepAliveTime() { 135 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 136 return ((ThreadPoolExecutor) processor.getExecutorService()).getKeepAliveTime(TimeUnit.SECONDS); 137 } else { 138 return 0; 139 } 140 } 141 142 @Override 143 public boolean isAllowCoreThreadTimeout() { 144 if (processor.getExecutorService() instanceof ThreadPoolExecutor) { 145 return ((ThreadPoolExecutor) processor.getExecutorService()).allowsCoreThreadTimeOut(); 146 } else { 147 return false; 148 } 149 } 150 151}