1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 package com.sun.star.lib.uno.environments.remote; 25 26 final class NativeThreadPool implements IThreadPool { 27 public NativeThreadPool() { 28 pool = create(); 29 } 30 31 public ThreadId getThreadId() { 32 return new ThreadId(threadId()); 33 } 34 35 public void attach() { 36 attach(pool); 37 } 38 39 public Object attach(ThreadId id) { 40 attach(); 41 return null; 42 } 43 44 public void detach() { 45 detach(pool); 46 } 47 48 public void detach(Object handle, ThreadId id) { 49 detach(); 50 } 51 52 public Object enter() throws Throwable { 53 Job job = enter(pool); 54 if (job == null) { 55 throw dispose; 56 } 57 return job.execute(); 58 } 59 60 public Object enter(Object handle, ThreadId id) throws Throwable { 61 return enter(); 62 } 63 64 public void putJob(Job job) { 65 putJob( 66 pool, job.getThreadId().getBytes(), job, job.isRequest(), 67 job.isRequest() && !job.isSynchronous()); 68 } 69 70 public void dispose(Throwable throwable) { 71 dispose = throwable; 72 dispose(pool); 73 } 74 75 public void destroy() { 76 destroy(pool); 77 } 78 79 // The native implementation is in 80 // bridges/source/jni_uno/nativethreadpool.cxx: 81 static { 82 System.loadLibrary("java_uno"); 83 } 84 private static native byte[] threadId(); 85 private static native long create(); 86 private static native void attach(long pool); 87 private static native Job enter(long pool); 88 private static native void detach(long pool); 89 private static native void putJob( 90 long pool, byte[] threadId, Job job, boolean request, boolean oneWay); 91 private static native void dispose(long pool); 92 private static native void destroy(long pool); 93 94 private final long pool; 95 private volatile Throwable dispose; 96 } 97