com.sun.xml.ws.commons.DelayedTaskManager Maven / Gradle / Ivy
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package com.sun.xml.ws.commons;
import com.sun.istack.NotNull;
import com.sun.istack.logging.Logger;
import com.sun.xml.ws.api.Component;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
/**
*
* @author Marek Potociar
*/
public final class DelayedTaskManager extends AbstractTaskManager {
private static final Logger LOGGER = Logger.getLogger(DelayedTaskManager.class);
private final Component component;
private final String threadPoolName;
private final int coreThreadPoolSize;
public static interface DelayedTask {
public String getName();
public void run(DelayedTaskManager manager);
}
public static DelayedTaskManager createManager(String name, int coreThreadPoolSize, Component component){
return new DelayedTaskManager(name, coreThreadPoolSize, component);
}
private static final ThreadFactory createThreadFactory(String name) {
return new NamedThreadFactory(name);
}
private class Worker implements Runnable {
public final DelayedTask task;
public Worker(DelayedTask handler) {
this.task = handler;
}
/**
* This method contains main task loop. It should not be called directly from outside.
*/
public void run() {
LOGGER.entering();
if (LOGGER.isLoggable(Level.FINER)) {
LOGGER.finer(String.format("Starting delayed execution of [ %s ]", task.getName()));
}
try {
task.run(DelayedTaskManager.this);
} catch (Exception ex) {
LOGGER.warning(String.format("An exception occured during execution of [ %s ]", task.getName()), ex);
} finally {
if (LOGGER.isLoggable(Level.FINER)) {
LOGGER.finer(String.format("Delayed execution of [ %s ] finished", task.getName()));
}
LOGGER.exiting();
}
}
}
//
private DelayedTaskManager(String name, int coreThreadPoolSize, Component component) {
super();
this.threadPoolName = name;
this.coreThreadPoolSize = coreThreadPoolSize;
this.component = component;
}
public boolean register(@NotNull DelayedTask task, long delay, TimeUnit timeUnit) {
if (isClosed()) {
LOGGER.finer(String.format("Attempt to register a new task has failed. This '%s' instance has already been closed", this.getClass().getName()));
return false;
}
assert task != null;
getExecutorService().schedule(new Worker(task), delay, timeUnit);
return true;
}
@Override
protected Component getComponent() {
return component;
}
@Override
protected String getThreadPoolName() {
return threadPoolName;
}
@Override
protected ThreadFactory createThreadFactory() {
return createThreadFactory(threadPoolName);
}
@Override
protected int getThreadPoolSize() {
return coreThreadPoolSize;
}
@Override
protected Logger getLogger() {
return LOGGER;
}
}