##### Coverage Report - com.sun.grizzly.ThreadPoolExecutorServicePipeline

Classes in this File | Line Coverage | Branch Coverage | Complexity
ThreadPoolExecutorServicePipeline |
0 % | 0/60
0 % | 0/4
| 0.0;0
ThreadPoolExecutorServicePipeline$1 |
0 % | 0/3
N/A | N/A
| 0.0;0
ThreadPoolExecutorServicePipeline$WorkerThreadFactory |
0 % | 0/7
N/A | N/A
| 0.0;0

1 |  |
     /*
2 |  |
      *
3 |  |
      * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
4 |  |
      *
5 |  |
      * Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved.
6 |  |
      *
7 |  |
      * The contents of this file are subject to the terms of either the GNU
8 |  |
      * General Public License Version 2 only ("GPL") or the Common Development
9 |  |
      * and Distribution License("CDDL") (collectively, the "License").  You
10 |  |
      * may not use this file except in compliance with the License. You can obtain
11 |  |
      * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
12 |  |
      * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
13 |  |
      * language governing permissions and limitations under the License.
14 |  |
      *
15 |  |
      * When distributing the software, include this License Header Notice in each
16 |  |
      * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
17 |  |
      * Sun designates this particular file as subject to the "Classpath" exception
18 |  |
      * as provided by Sun in the GPL Version 2 section of the License file that
19 |  |
      * accompanied this code.  If applicable, add the following below the License
20 |  |
      * Header, with the fields enclosed by brackets [] replaced by your own
21 |  |
      * identifying information: "Portions Copyrighted [year]
22 |  |
      * [name of copyright owner]"
23 |  |
      *
24 |  |
      * Contributor(s):
25 |  |
      *
26 |  |
      * If you wish your version of this file to be governed by only the CDDL or
27 |  |
      * only the GPL Version 2, indicate your decision by adding "[Contributor]
28 |  |
      * elects to include this software in this distribution under the [CDDL or GPL
29 |  |
      * Version 2] license."  If you don't indicate a single choice of license, a
30 |  |
      * recipient has the option to distribute your version of this file under
31 |  |
      * either the CDDL, the GPL Version 2 or to extend the choice of license to
32 |  |
      * its licensees as provided above.  However, if you add GPL Version 2 code
33 |  |
      * and therefore, elected the GPL Version 2 license, then the option applies
34 |  |
      * only if the new code is made subject to such option by the copyright
35 |  |
      * holder.
36 |  |
      *
37 |  |
      */
38 |  |
39 |  |
     package com.sun.grizzly;
40 |  |
41 |  |
     import com.sun.grizzly.util.ByteBufferFactory.ByteBufferType;
42 |  |
     import com.sun.grizzly.util.WorkerThreadImpl;
43 |  |
     import java.util.concurrent.Callable;
44 |  |
     import java.util.concurrent.LinkedBlockingQueue;
45 |  |
     import java.util.concurrent.ThreadFactory;
46 |  |
     import java.util.concurrent.ThreadPoolExecutor;
47 |  |
     import java.util.concurrent.TimeUnit;
48 |  |
     import java.util.concurrent.atomic.AtomicInteger;
49 |  |
50 |  |
51 |  |
     /**
52 |  |
      * {@link Pipeline} implementation, based on {@link ThreadPoolExecutor}
53 |  |
      *
54 |  |
      * @author Alexey Stashok
55 |  |
      */
56 | 0 |
     public class ThreadPoolExecutorServicePipeline extends ThreadPoolExecutor
57 |  |
             implements Pipeline<Callable> {
58 |  |
         // Min number of worker threads in a pool
59 | 0 |
         private static int DEFAULT_MIN_THREAD_COUNT = 5;
60 |  |
61 |  |
         // Max number of worker threads in a pool
62 | 0 |
         private static int DEFAULT_MAX_THREAD_COUNT = 20;
63 |  |
64 |  |
         // Max number of tasks thread pool can enqueue
65 | 0 |
         private static int DEFAULT_MAX_TASKS_QUEUED = Integer.MAX_VALUE;
66 |  |
67 |  |
         // Timeout, after which idle thread will be stopped and excluded from pool
68 | 0 |
         private static int DEFAULT_IDLE_THREAD_KEEPALIVE_TIMEOUT = 30000;
69 |  |
70 |  |
         private String name;
71 |  |
72 |  |
         /**
73 |  |
          * The port used.
74 |  |
          */
75 |  |
         protected int port;
76 |  |
77 |  |
         private int maxTasksCount;
78 |  |
79 | 0 |
         private AtomicInteger workerThreadCounter = new AtomicInteger();
80 |  |
81 |  |
         /**
82 |  |
          * The Thread Priority
83 |  |
          */
84 |  |
         protected int priority;
85 |  |
86 |  |
         /**
87 |  |
          * The initial ByteBuffer size for newly created WorkerThread instances
88 |  |
          */
89 | 0 |
         protected int initialByteBufferSize = 8192;
90 |  |
91 |  |
         /**
92 |  |
          * The {@link ByteBufferType}
93 |  |
          */
94 | 0 |
         private ByteBufferType byteBufferType = ByteBufferType.HEAP_VIEW;
95 |  |
96 |  |
97 |  |
         public ThreadPoolExecutorServicePipeline() {
98 | 0 |
             this(DEFAULT_MIN_THREAD_COUNT, DEFAULT_MAX_THREAD_COUNT,
99 |  |
                     DEFAULT_MAX_TASKS_QUEUED, DEFAULT_IDLE_THREAD_KEEPALIVE_TIMEOUT,
100 |  |
                     TimeUnit.MILLISECONDS);
101 | 0 |
         }
102 |  |
103 |  |
         public ThreadPoolExecutorServicePipeline(int minThreads,
104 |  |
                 int maxThreads, int maxTasksCount, long keepAliveTime,
105 |  |
                 TimeUnit unit) {
106 | 0 |
             this(minThreads, maxThreads, maxTasksCount, keepAliveTime, unit,
107 |  |
                     "Grizzly", 8080, Thread.NORM_PRIORITY);
108 | 0 |
         }
109 |  |
110 |  |
         public ThreadPoolExecutorServicePipeline(int minThreads,
111 |  |
                 int maxThreads, int maxTasksCount, long keepAliveTime,
112 |  |
                 TimeUnit unit, String name, int port, int priority) {
113 | 0 |
             super(minThreads, maxThreads, keepAliveTime, unit,
114 |  |
                     new LinkedBlockingQueue<Runnable>(maxTasksCount));
115 | 0 |
             setThreadFactory(new WorkerThreadFactory(this));
116 | 0 |
             this.maxTasksCount = maxTasksCount;
117 | 0 |
             this.name = name;
118 | 0 |
             this.port = port;
119 | 0 |
             this.priority = priority;
120 | 0 |
         }
121 |  |
122 |  |
         /**
123 |  |
          * Set the name of this {@link Pipeline}
124 |  |
          * @param name Pipeline name to use
125 |  |
          */
126 |  |
         public synchronized void setName(String name){
127 | 0 |
             this.name = name;
128 | 0 |
         }
129 |  |
130 |  |
131 |  |
         /**
132 |  |
          * Return the name of this {@link Pipeline}
133 |  |
          * @return the name of this {@link Pipeline}
134 |  |
          */
135 |  |
         public synchronized String getName(){
136 | 0 |
             return name+port;
137 |  |
         }
138 |  |
139 |  |
140 |  |
         /**
141 |  |
          * Set the port used by this {@link Pipeline}
142 |  |
          * @param port the port used by this {@link Pipeline}
143 |  |
          */
144 |  |
         public synchronized void setPort(int port){
145 | 0 |
             this.port = port;
146 | 0 |
         }
147 |  |
148 |  |
         /**
149 |  |
          * {@inheritDoc}
150 |  |
          */
151 |  |
         public void execute(Callable task) throws PipelineFullException {
152 | 0 |
             submit(task);
153 | 0 |
         }
154 |  |
155 |  |
         /**
156 |  |
          * {@inheritDoc}
157 |  |
          */
158 |  |
         public Callable waitForIoTask() {
159 | 0 |
             Callable callable = null;
160 |  |
             try {
161 | 0 |
                 final Runnable r = this.getQueue().take();
162 | 0 |
                 if (r != null) {
163 | 0 |
                     callable = new Callable() {
164 |  |
                         public Object call() throws Exception {
165 | 0 |
                             r.run();
166 | 0 |
                             return null;
167 |  |
                         }
168 |  |
                     };
169 |  |
                 }
170 | 0 |
             } catch (InterruptedException e) {
171 | 0 |
             }
172 |  |
173 | 0 |
             return callable;
174 |  |
         }
175 |  |
176 |  |
         /**
177 |  |
          * {@inheritDoc}
178 |  |
          */
179 |  |
         public int getWaitingThread() {
180 | 0 |
             int waitingThreads = getPoolSize() - getActiveCount();
181 | 0 |
             if (waitingThreads < 0) waitingThreads = 0;
182 |  |
183 | 0 |
             return waitingThreads;
184 |  |
         }
185 |  |
186 |  |
         /**
187 |  |
          * {@inheritDoc}
188 |  |
          */
189 |  |
         public int getMaxThreads() {
190 | 0 |
             return getMaximumPoolSize();
191 |  |
         }
192 |  |
193 |  |
         /**
194 |  |
          * {@inheritDoc}
195 |  |
          */
196 |  |
         public void setMaxThreads(int maxThread) {
197 | 0 |
             setMaximumPoolSize(maxThread);
198 | 0 |
         }
199 |  |
200 |  |
         /**
201 |  |
          * {@inheritDoc}
202 |  |
          */
203 |  |
         public int getCurrentThreadCount() {
204 | 0 |
             return getPoolSize();
205 |  |
         }
206 |  |
207 |  |
         /**
208 |  |
          * {@inheritDoc}
209 |  |
          */
210 |  |
         public int getCurrentThreadsBusy() {
211 | 0 |
             return getActiveCount();
212 |  |
         }
213 |  |
214 |  |
         /**
215 |  |
          * {@inheritDoc}
216 |  |
          */
217 |  |
         public void initPipeline() {
218 | 0 |
         }
219 |  |
220 |  |
         /**
221 |  |
          * {@inheritDoc}
222 |  |
          */
223 |  |
         public void startPipeline() {
224 | 0 |
             this.prestartCoreThread();
225 | 0 |
         }
226 |  |
227 |  |
         /**
228 |  |
          * {@inheritDoc}
229 |  |
          */
230 |  |
         public void stopPipeline() {
231 | 0 |
             shutdownNow();
232 | 0 |
         }
233 |  |
234 |  |
         /**
235 |  |
          * Set the thread priority of the {@link Pipeline}
236 |  |
          * @param priority thread priority to use
237 |  |
          */
238 |  |
         public synchronized void setPriority(int priority){
239 | 0 |
             this.priority = priority;
240 | 0 |
         }
241 |  |
242 |  |
         /**
243 |  |
          * {@inheritDoc}
244 |  |
          */
245 |  |
         public void setMinThreads(int minThread) {
246 | 0 |
             setCorePoolSize(minThread);
247 | 0 |
         }
248 |  |
249 |  |
         /**
250 |  |
          * Get the maximum pending connections this {@link Pipeline}
251 |  |
          * can handle.
252 |  |
          * @return maximum queue size (in bytes) this Pipeline is using
253 |  |
          */
254 |  |
         public synchronized int getMaxQueueSize(){
255 | 0 |
             return maxTasksCount;
256 |  |
         }
257 |  |
258 |  |
         /**
259 |  |
          * Is not supported for the <tt>ThreadPoolExecutorServicePipeline<tt>.
260 |  |
          * The value, passed to the cosntructor could not be changed at the runtime.
261 |  |
          *
262 |  |
          * @param maxQueue
263 |  |
          */
264 |  |
         public void setMaxQueueSize(int maxQueue) {
265 | 0 |
             throw new UnsupportedOperationException("Value could not be changed!");
266 |  |
         }
267 |  |
268 |  |
         /**
269 |  |
          * Is not supported for the <tt>ThreadPoolExecutorServicePipeline<tt>.
270 |  |
          * @param threadIncrements
271 |  |
          */
272 |  |
         public void setThreadsIncrement(int threadIncrements) {
273 | 0 |
             throw new UnsupportedOperationException("Not supported.");
274 |  |
         }
275 |  |
276 |  |
         /**
277 |  |
          * {@inheritDoc}
278 |  |
          */
279 |  |
         public int size() {
280 | 0 |
             return getQueue().size();
281 |  |
         }
282 |  |
283 |  |
284 |  |
         /**
285 |  |
          * The {@link ByteBufferTypel} used to create the {@link ByteBuffer}
286 |  |
          * associated with {@link WorkerThreadImpl}s created by this instance.
287 |  |
          * @return The {@link ByteBufferTypel} used to create the {@link ByteBuffer}
288 |  |
          * associated with {@link WorkerThreadImpl}s created by this instance.
289 |  |
          */
290 |  |
         public ByteBufferType getByteBufferType() {
291 | 0 |
             return byteBufferType;
292 |  |
         }
293 |  |
294 |  |
295 |  |
         /**
296 |  |
          * Set the {@link ByteBufferTypel} to use when creating the
297 |  |
          * {@link ByteBuffer} associated with {@link WorkerThreadImpl}s
298 |  |
          * created by this instance.
299 |  |
          * @param byteBufferType The ByteBuffer type.
300 |  |
          */
301 |  |
         public void setByteBufferType(ByteBufferType byteBufferType) {
302 | 0 |
             this.byteBufferType = byteBufferType;
303 | 0 |
         }
304 |  |
305 |  |
306 |  |
         /**
307 |  |
          * Get the initial WorkerThreadImpl {@link ByteBuffer} size
308 |  |
          * @return initial WorkerThreadImpl <code>ByteBuffwaitingThreadser</code> size
309 |  |
          */
310 |  |
         public synchronized int getInitialByteBufferSize(){
311 | 0 |
             return initialByteBufferSize;
312 |  |
         }
313 |  |
314 |  |
         /**
315 |  |
          * Set the initial WorkerThreadImpl {@link ByteBuffer} size
316 |  |
          * @param size initial WorkerThreadImpl {@link ByteBuffer} size
317 |  |
          */
318 |  |
         public synchronized void setInitialByteBufferSize(int size){
319 | 0 |
             initialByteBufferSize = size;
320 | 0 |
         }
321 |  |
322 |  |
         protected static class WorkerThreadFactory implements ThreadFactory {
323 |  |
             private ThreadPoolExecutorServicePipeline threadPool;
324 |  |
325 |  |
             public WorkerThreadFactory(
326 | 0 |
                     ThreadPoolExecutorServicePipeline threadPool) {
327 | 0 |
                 this.threadPool = threadPool;
328 | 0 |
             }
329 |  |
330 |  |
             public Thread newThread(Runnable r) {
331 | 0 |
                 WorkerThreadImpl workerThread = new WorkerThreadImpl(threadPool,
332 |  |
                         threadPool.name + "WorkerThread-"  + threadPool.port + "-" +
333 |  |
                         threadPool.workerThreadCounter.getAndIncrement(), r,
334 |  |
                         threadPool.initialByteBufferSize);
335 | 0 |
                 workerThread.setByteBufferType(threadPool.byteBufferType);
336 | 0 |
                 workerThread.setPriority(threadPool.priority);
337 |  |
338 | 0 |
                 return workerThread;
339 |  |
             }
340 |  |
         }
341 |  |
     }