org.apache.tomcat.util.threads.TaskQueue Java Examples

The following examples show how to use org.apache.tomcat.util.threads.TaskQueue. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: StandardThreadExecutor.java From Tomcat8-Source-Read with MIT License

6 votes

/**
 * Start the component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 *
 *
 */
@Override
protected void startInternal() throws LifecycleException {
    //重写了LinkedBlockingQueue的offer方法。
    taskqueue = new TaskQueue(maxQueueSize);
    TaskThreadFactory tf = new TaskThreadFactory(namePrefix,daemon,getThreadPriority());
    //此ThreadPoolExecutor非彼ThreadPoolExecutor。
    executor = new ThreadPoolExecutor(getMinSpareThreads(), getMaxThreads(), maxIdleTime, TimeUnit.MILLISECONDS,taskqueue, tf);
    executor.setThreadRenewalDelay(threadRenewalDelay);
    if (prestartminSpareThreads) {
        executor.prestartAllCoreThreads();
    }
    taskqueue.setParent(executor);

    setState(LifecycleState.STARTING);
}

Example #2

Source File: AbstractEndpoint.java From Tomcat8-Source-Read with MIT License

6 votes

/**
 * 关闭线程池
 */
public void shutdownExecutor() {
    Executor executor = this.executor;
    if (executor != null && internalExecutor) {
        this.executor = null;
        if (executor instanceof ThreadPoolExecutor) {
            //this is our internal one, so we need to shut it down
            ThreadPoolExecutor tpe = (ThreadPoolExecutor) executor;
            tpe.shutdownNow();
            long timeout = getExecutorTerminationTimeoutMillis();
            if (timeout > 0) {
                try {
                    tpe.awaitTermination(timeout, TimeUnit.MILLISECONDS);
                } catch (InterruptedException e) {
                    // Ignore
                }
                if (tpe.isTerminating()) {
                    getLog().warn(sm.getString("endpoint.warn.executorShutdown", getName()));
                }
            }
            TaskQueue queue = (TaskQueue) tpe.getQueue();
            queue.setParent(null);
        }
    }
}

Example #3

Source File: AbstractEndpoint.java From Tomcat7.0.67 with Apache License 2.0

6 votes

public void shutdownExecutor() {
    if ( executor!=null && internalExecutor ) {
        if ( executor instanceof ThreadPoolExecutor ) {
            //this is our internal one, so we need to shut it down
            ThreadPoolExecutor tpe = (ThreadPoolExecutor) executor;
            tpe.shutdownNow();
            long timeout = getExecutorTerminationTimeoutMillis();
            if (timeout > 0) {
                try {
                    tpe.awaitTermination(timeout, TimeUnit.MILLISECONDS);
                } catch (InterruptedException e) {
                    // Ignore
                }
                if (tpe.isTerminating()) {
                    getLog().warn(sm.getString("endpoint.warn.executorShutdown", getName()));
                }
            }
            TaskQueue queue = (TaskQueue) tpe.getQueue();
            queue.setParent(null);
        }
        executor = null;
    }
}

Example #4

Source File: AbstractEndpoint.java From tomcatsrc with Apache License 2.0

6 votes

public void shutdownExecutor() {
    if ( executor!=null && internalExecutor ) {
        if ( executor instanceof ThreadPoolExecutor ) {
            //this is our internal one, so we need to shut it down
            ThreadPoolExecutor tpe = (ThreadPoolExecutor) executor;
            tpe.shutdownNow();
            long timeout = getExecutorTerminationTimeoutMillis();
            if (timeout > 0) {
                try {
                    tpe.awaitTermination(timeout, TimeUnit.MILLISECONDS);
                } catch (InterruptedException e) {
                    // Ignore
                }
                if (tpe.isTerminating()) {
                    getLog().warn(sm.getString("endpoint.warn.executorShutdown", getName()));
                }
            }
            TaskQueue queue = (TaskQueue) tpe.getQueue();
            queue.setParent(null);
        }
        executor = null;
    }
}

Example #5

Source File: StandardThreadExecutor.java From Tomcat8-Source-Read with MIT License

5 votes

@Override
public void execute(Runnable command) {
    if ( executor != null ) {
        try {
            executor.execute(command);
        } catch (RejectedExecutionException rx) {
            //there could have been contention around the queue
            if ( !( (TaskQueue) executor.getQueue()).force(command) ) throw new RejectedExecutionException("Work queue full.");
        }
    } else throw new IllegalStateException("StandardThreadPool not started.");
}

Example #6

Source File: AbstractEndpoint.java From Tomcat8-Source-Read with MIT License

5 votes

/**
 * 创建I/O密集型的线程池。
 * 重点在内部。
 */
public void createExecutor() {
    internalExecutor = true;
    TaskQueue taskqueue = new TaskQueue();
    TaskThreadFactory tf = new TaskThreadFactory(getName() + "-exec-", daemon, getThreadPriority());
    executor = new ThreadPoolExecutor(getMinSpareThreads(), getMaxThreads(), 60, TimeUnit.SECONDS,taskqueue, tf);
    taskqueue.setParent( (ThreadPoolExecutor) executor);
}

Example #7

Source File: SystemBootAutoConfiguration.java From super-cloudops with Apache License 2.0

5 votes

/**
 * Custom tomcat executor
 * 
 * @param protocol
 * @return
 */
private Executor customTomcatExecutor(AbstractProtocol<?> protocol) {
	TaskThreadFactory tf = new TaskThreadFactory(protocol.getName() + "-exe-", true, protocol.getThreadPriority());
	TaskQueue taskqueue = new TaskQueue();
	Executor executor = new ThreadPoolExecutor(protocol.getMinSpareThreads(), protocol.getMaxThreads(), 60, TimeUnit.SECONDS,
			taskqueue, tf);
	taskqueue.setParent((ThreadPoolExecutor) executor);
	return executor;
}

Example #8

Source File: StandardThreadExecutor.java From Tomcat7.0.67 with Apache License 2.0

5 votes

/**
 * Start the component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected void startInternal() throws LifecycleException {

    taskqueue = new TaskQueue(maxQueueSize);
    TaskThreadFactory tf = new TaskThreadFactory(namePrefix,daemon,getThreadPriority());
    executor = new ThreadPoolExecutor(getMinSpareThreads(), getMaxThreads(), maxIdleTime, TimeUnit.MILLISECONDS,taskqueue, tf);
    executor.setThreadRenewalDelay(threadRenewalDelay);
    if (prestartminSpareThreads) {
        executor.prestartAllCoreThreads();
    }
    taskqueue.setParent(executor);

    setState(LifecycleState.STARTING);
}

Example #9

Source File: StandardThreadExecutor.java From Tomcat7.0.67 with Apache License 2.0

5 votes

@Override
public void execute(Runnable command) {
    if ( executor != null ) {
        try {
            executor.execute(command);
        } catch (RejectedExecutionException rx) {
            //there could have been contention around the queue
            if ( !( (TaskQueue) executor.getQueue()).force(command) ) throw new RejectedExecutionException("Work queue full.");
        }
    } else throw new IllegalStateException("StandardThreadPool not started.");
}

Example #10

Source File: AbstractEndpoint.java From Tomcat7.0.67 with Apache License 2.0

5 votes

public void createExecutor() {
    internalExecutor = true;
    TaskQueue taskqueue = new TaskQueue();
    TaskThreadFactory tf = new TaskThreadFactory(getName() + "-exec-", daemon, getThreadPriority());
    executor = new ThreadPoolExecutor(getMinSpareThreads(), getMaxThreads(), 60, TimeUnit.SECONDS,taskqueue, tf);
    taskqueue.setParent( (ThreadPoolExecutor) executor);
}

Example #11

Source File: StandardThreadExecutor.java From tomcatsrc with Apache License 2.0

5 votes

/**
 * Start the component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected void startInternal() throws LifecycleException {

    taskqueue = new TaskQueue(maxQueueSize);
    TaskThreadFactory tf = new TaskThreadFactory(namePrefix,daemon,getThreadPriority());
    executor = new ThreadPoolExecutor(getMinSpareThreads(), getMaxThreads(), maxIdleTime, TimeUnit.MILLISECONDS,taskqueue, tf);
    executor.setThreadRenewalDelay(threadRenewalDelay);
    if (prestartminSpareThreads) {
        executor.prestartAllCoreThreads();
    }
    taskqueue.setParent(executor);

    setState(LifecycleState.STARTING);
}

Example #12

Source File: StandardThreadExecutor.java From tomcatsrc with Apache License 2.0

5 votes

@Override
public void execute(Runnable command) {
    if ( executor != null ) {
        try {
            executor.execute(command);
        } catch (RejectedExecutionException rx) {
            //there could have been contention around the queue
            if ( !( (TaskQueue) executor.getQueue()).force(command) ) throw new RejectedExecutionException("Work queue full.");
        }
    } else throw new IllegalStateException("StandardThreadPool not started.");
}

Example #13

Source File: AbstractEndpoint.java From tomcatsrc with Apache License 2.0

5 votes

public void createExecutor() {
    internalExecutor = true;
    TaskQueue taskqueue = new TaskQueue();
    TaskThreadFactory tf = new TaskThreadFactory(getName() + "-exec-", daemon, getThreadPriority());
    executor = new ThreadPoolExecutor(getMinSpareThreads(), getMaxThreads(), 60, TimeUnit.SECONDS,taskqueue, tf);
    taskqueue.setParent( (ThreadPoolExecutor) executor);
}