| /* |
| * |
| * 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.qpid.thread; |
| |
| |
| import java.lang.reflect.Constructor; |
| |
| public class RealtimeThreadFactory implements ThreadFactory |
| { |
| private final LoggingUncaughtExceptionHandler _loggingUncaughtExceptionHandler = new LoggingUncaughtExceptionHandler(); |
| |
| private Class threadClass; |
| private Constructor threadConstructor; |
| private Constructor priorityParameterConstructor; |
| private int defaultRTThreadPriority = 20; |
| |
| public RealtimeThreadFactory() throws Exception |
| { |
| defaultRTThreadPriority = Integer.getInteger("qpid.rt_thread_priority",20); |
| threadClass = Class.forName("javax.realtime.RealtimeThread"); |
| |
| Class schedulingParametersClass = Class.forName("javax.realtime.SchedulingParameters"); |
| Class releaseParametersClass = Class.forName("javax.realtime.ReleaseParameters"); |
| Class memoryParametersClass = Class.forName("javax.realtime.MemoryParameters"); |
| Class memoryAreaClass = Class.forName("javax.realtime.MemoryArea"); |
| Class processingGroupParametersClass = Class.forName("javax.realtime.ProcessingGroupParameters"); |
| |
| Class[] paramTypes = new Class[]{schedulingParametersClass, |
| releaseParametersClass, |
| memoryParametersClass, |
| memoryAreaClass, |
| processingGroupParametersClass, |
| java.lang.Runnable.class}; |
| |
| threadConstructor = threadClass.getConstructor(paramTypes); |
| |
| Class priorityParameterClass = Class.forName("javax.realtime.PriorityParameters"); |
| priorityParameterConstructor = priorityParameterClass.getConstructor(new Class[]{int.class}); |
| } |
| |
| public Thread createThread(Runnable r) throws Exception |
| { |
| return createThread(r,defaultRTThreadPriority); |
| } |
| |
| public Thread createThread(Runnable r, int priority) throws Exception |
| { |
| Object priorityParams = priorityParameterConstructor.newInstance(priority); |
| Thread thread = (Thread)threadConstructor.newInstance(priorityParams,null,null,null,null,r); |
| thread.setUncaughtExceptionHandler(_loggingUncaughtExceptionHandler); |
| return thread; |
| } |
| |
| } |