Examples of edu.emory.mathcs.backport.java.util.concurrent.ScheduledFuture

Package edu.emory.mathcs.backport.java.util.concurrent

Examples of edu.emory.mathcs.backport.java.util.concurrent.ScheduledFuture

edu.emory.mathcs.backport.java.util.concurrent.ScheduledFuture
A delayed result-bearing action that can be cancelled. Usually a scheduled future is the result of scheduling a task with a {@link ScheduledExecutorService}. @since 1.5 @author Doug Lea

        clockDaemon.allowCoreThreadTimeOut(false);
    }
    static HashMap clockTickets = new HashMap();


    synchronized static public void executePeriodically(final Runnable task, long period) {
        ScheduledFuture ticket = clockDaemon.scheduleAtFixedRate(task, period, period, TimeUnit.MILLISECONDS);
        clockTickets.put(task, ticket);
    }

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        ScheduledFuture ticket = clockDaemon.scheduleAtFixedRate(task, period, period, TimeUnit.MILLISECONDS);
        clockTickets.put(task, ticket);
    }


    synchronized static public void cancel(Runnable task) {
        ScheduledFuture ticket = (ScheduledFuture) clockTickets.remove(task);
        if( ticket!=null ) {
            ticket.cancel(false);
            if (ticket instanceof Runnable)
              clockDaemon.remove((Runnable) ticket);            
        }
    }

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                // callable.  Instead, made RPQueryCurrentState also implement
                // Runnable interface and so now is native parameter to
                // scheduleWithFixedDelay method instead of wrapped in FutureTask.
                //NOPE: final FutureTask task = new FutureTask(action);


                final ScheduledFuture scheduledFuture =
                        this.scheduled.scheduleWithFixedDelay(
                                action, this.pollDelayMs, this.pollDelayMs,
                                TimeUnit.MILLISECONDS);


                this.currentTasks.put(addrID, scheduledFuture);

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                // *** EARLY RETURN ***
                return super.untrackWorkspace(workspace);
            }


            final ScheduledFuture task =
                    (ScheduledFuture) this.currentTasks.get(addrID);
            
            if (task == null) {
                if (this.pr.enabled()) {
                    final String err = "Unexpected: parent tracking this " +
                            "but not the poll subscription manager? " +
                            addrID.toString();
                    if (this.pr.useThis()) {
                        this.pr.errln(err);
                    } else if (this.pr.useLogging()) {
                        logger.error(err);
                    }
                }
                // *** EARLY RETURN ***
                return super.untrackWorkspace(workspace);
            }


            task.cancel(true);
            
            this.currentTasks.remove(addrID);


            return super.untrackWorkspace(workspace);
        }

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        clockDaemon.allowCoreThreadTimeOut(false);
    }
    static HashMap clockTickets = new HashMap();


    synchronized static public void executePeriodically(final Runnable task, long period) {
        ScheduledFuture ticket = clockDaemon.scheduleAtFixedRate(task, period, period, TimeUnit.MILLISECONDS);
        clockTickets.put(task, ticket);
    }

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        ScheduledFuture ticket = clockDaemon.scheduleAtFixedRate(task, period, period, TimeUnit.MILLISECONDS);
        clockTickets.put(task, ticket);
    }


    synchronized static public void cancel(Runnable task) {
        ScheduledFuture ticket = (ScheduledFuture) clockTickets.remove(task);
        if( ticket!=null ) {
            ticket.cancel(false);
          clockDaemon.remove(task);
        }
    }

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Related Classes of edu.emory.mathcs.backport.java.util.concurrent.ScheduledFuture

org.apache.activemq.thread.Scheduler

org.globus.workspace.client_core.subscribe_tools.internal.PollingSubscriptionMasterImpl

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