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增加有中断接口的 InterruptibleJobRunner #195

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merged 1 commit into from
Feb 21, 2016
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增加有中断接口的 InterruptibleJobRunner #195

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45 changes: 19 additions & 26 deletions lts-tasktracker/src/main/java/com/lts/tasktracker/runner/JobRunnerDelegate.java
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Original file line number Diff line number Diff line change
Expand Up @@ -35,38 +35,33 @@ public class JobRunnerDelegate implements Runnable {
private TaskTrackerMonitor monitor;
private Interruptible interruptor;
private JobRunner curJobRunner;
private boolean isInterruptibleJobRunner = false;
private boolean interrupted = false;

public JobRunnerDelegate(TaskTrackerAppContext appContext,
JobWrapper jobWrapper, RunnerCallback callback) {
this.appContext = appContext;
this.callback = callback;
this.jobWrapper = jobWrapper;

this.isInterruptibleJobRunner = isInterruptibleJobRunner(this.appContext);
this.logger = (BizLoggerAdapter) BizLoggerFactory.getLogger(
appContext.getBizLogLevel(),
appContext.getRemotingClient(), appContext);
monitor = (TaskTrackerMonitor) appContext.getMonitor();

if (isInterruptibleJobRunner()) {
this.interruptor = new Interruptible() {
@Override
public void interrupt() {
JobRunnerDelegate.this.interrupt();
}
};
}
this.interruptor = new Interruptible() {
@Override
public void interrupt() {
JobRunnerDelegate.this.interrupt();
}
};
}

@Override
public void run() {
try {
if (isInterruptibleJobRunner()) {
blockedOn(interruptor);
if (Thread.currentThread().isInterrupted()) {
interruptor.interrupt();
}
blockedOn(interruptor);
if (Thread.currentThread().isInterrupted()) {
interruptor.interrupt();
}

LtsLoggerFactory.setLogger(logger);
Expand Down Expand Up @@ -116,32 +111,30 @@ public void run() {
} catch (Throwable t) {
LOGGER.warn("monitor error:" + t.getMessage(), t);
}

if (isInterrupted()) {
// 如果当前线程被阻断了,那么也就不接受新任务了
response.setReceiveNewJob(false);
}
this.jobWrapper = callback.runComplete(response);

}
} finally {
LtsLoggerFactory.remove();

if (isInterruptibleJobRunner()) {
blockedOn(null);
}
blockedOn(null);
}
}

private void interrupt() {
interrupted = true;

if (this.curJobRunner != null && this.curJobRunner instanceof InterruptibleJobRunner) {
((InterruptibleJobRunner) this.curJobRunner).interrupt();
}
}

private static boolean isInterruptibleJobRunner(TaskTrackerAppContext appContext) {
Class<?> jobRunnerClass = appContext.getJobRunnerClass();
return jobRunnerClass != null && InterruptibleJobRunner.class.isAssignableFrom(appContext.getJobRunnerClass());
}

private boolean isInterruptibleJobRunner() {
return this.isInterruptibleJobRunner;
private boolean isInterrupted() {
return this.interrupted;
}

private void monitor(Action action) {
Expand Down