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

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

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

edu.emory.mathcs.backport.java.util.concurrent.FutureTask
A cancellable asynchronous computation. This class provides a base implementation of {@link Future}, with methods to start and cancel a computation, query to see if the computation is complete, and retrieve the result of the computation. The result can only be retrieved when the computation has completed; the get method will block if the computation has not yet completed. Once the computation has completed, the computation cannot be restarted or cancelled.
A FutureTask can be used to wrap a {@link Callable} or{@link java.lang.Runnable} object. Because FutureTaskimplements Runnable, a FutureTask can be submitted to an {@link Executor} for execution.
In addition to serving as a standalone class, this class provides protected functionality that may be useful when creating customized task classes. @since 1.5 @author Doug Lea

    }


    private void launchTerminationWaiter() {
        final LatchWaiter waiter = new LatchWaiter(this.getTerminationLatch(),
                                                   this.exitLatch);
        this.terminationWaiter = new FutureTask(waiter);
        this.executor.submit(this.terminationWaiter);
    }

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            pr.println("  - Destination: " + destUrlString);
            pr.println();
        }


        final FutureTask[] tasks = new FutureTask[2];
        tasks[0] = new FutureTask(new CopyTask(urlcopy));


        if (info != null) {
            tasks[1] = new FutureTask(new CopyWatchTask(info, debug));
        } else {
            tasks[1] = null;
        }


        for (int i = 0; i < tasks.length; i++) {

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        }


        print.infoln("Querying for '" + dirName + "' information:");
        print.infoln("  - Workspace handle (EPR): '" + eprPath + "'");


        final FutureTask task =
                new FutureTask(
                        new QueryTask(eprPath, idAuthz, shortName,
                                      print));
        
        this.executor.submit(task);


        try {
            final Integer retCode = (Integer) task.get();
            if (retCode.intValue() != BaseClient.SUCCESS_EXIT_CODE) {
                throw new ExitNow(retCode.intValue());
            }
        } catch (InterruptedException e) {
            throw new ExecutionProblem(e.getMessage(), e);

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        if (!ipIdDir.exists()) {
            throw new ExecutionProblem("Could not find the 'id-ip-dir' for this handle, " +
                    "was it a virtual cluster launched with the context broker?");
        }


        final FutureTask task =
                new FutureTask(
                        new PrintContextStatusTask(eprPath, brokerIdAuthz, shortName,
                                             ipIdDirPath, print));


        this.executor.submit(task);


        try {
            final Integer retCode = (Integer) task.get();
            if (retCode.intValue() != BaseClient.SUCCESS_EXIT_CODE) {
                throw new ExitNow(retCode.intValue());
            }
        } catch (InterruptedException e) {
            throw new ExecutionProblem(e.getMessage(), e);

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        final Print newprint = new Print(newOpts,
                                         print.getInfoProxy(),
                                         print.getErrProxy(),
                                         print.getDebugProxy());


        final FutureTask task =
                new FutureTask(
                        new FactoryQueryTask(workspaceFactoryURL,
                                             factoryID,
                                             newprint));


        this.executor.submit(task);


        try {
            final Integer retCode = (Integer) task.get();
            if (retCode.intValue() != BaseClient.SUCCESS_EXIT_CODE) {
                throw new ExitNow(retCode.intValue());
            }
        } catch (InterruptedException e) {
            throw new ExecutionProblem(e.getMessage(), e);

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                                            pollMs,
                                            disableAllStateChecks,
                                            shortName,
                                            print);


        final FutureTask task = new FutureTask(sTask);
        this.executor.submit(task);


        try {
            final Integer retCode = (Integer) task.get();
            if (retCode.intValue() != BaseClient.SUCCESS_EXIT_CODE) {
                throw new ExitNow(retCode.intValue());
            }
        } catch (InterruptedException e) {
            throw new ExecutionProblem(e.getMessage(), e);

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        final DestroyTask dTask = new DestroyTask(eprPath,
                                                  identityAuthorization,
                                                  dirName,
                                                  print);


        final FutureTask task = new FutureTask(dTask);
        this.executor.submit(task);


        try {
            final Integer retCode = (Integer) task.get();
            if (retCode.intValue() != BaseClient.SUCCESS_EXIT_CODE) {
                throw new ExitNow(retCode.intValue());
            }
        } catch (InterruptedException e) {
            throw new ExecutionProblem(e.getMessage(), e);

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            final RunTask[] runTasks = cloud.generateRunTasks(brokerContact,
                cloudDirPath, sshKeyPath, durationMinutes, print);
            final FutureTask[] futureTasks = new FutureTask[runTasks.length];
            for (int taskIndex = 0; taskIndex < futureTasks.length; taskIndex++) {
                futureTasks[taskIndex] = new FutureTask(runTasks[taskIndex]);
            }


            final String ensembleEprPath = runTasks[0].getEnsembleEprPath();


            final String identAuth = cloud.getCloud().getFactoryID();

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                                      contactPath,
                                      expectInjections,
                                      brokerID,
                                      print);


        final FutureTask task = new FutureTask(ccTask);
        


        this.executor.submit(task);


        final BrokerContactType brokerContact;
        try {
            final Integer retCode = (Integer) task.get();
            if (retCode.intValue() == BaseClient.SUCCESS_EXIT_CODE) {
                brokerContact =
                        FileUtils.getBrokerContactFromFile(print,
                                                           contactPath);
                print.infoln("\nCreated new context with broker.");

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        final DestroyTask dTask = new DestroyTask(ensembleEprPath,
                                                  identityAuthorization,
                                                  clusterName,
                                                  print);


        final FutureTask task = new FutureTask(dTask);
        this.executor.submit(task);


        try {
            final Integer retCode = (Integer) task.get();
            if (retCode.intValue() != BaseClient.SUCCESS_EXIT_CODE) {
                throw new ExitNow(retCode.intValue());
            }
        } catch (InterruptedException e) {
            throw new ExecutionProblem(e.getMessage(), e);

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