Examples of TaskContext

com.facebook.presto.operator.TaskContext
com.sun.enterprise.web.connector.grizzly.TaskContext
This class encapsulates the logic required to synchronized unblocking socket request with the blocked stream architecture of Tomcat. @author Jean-Francois Arcand
gc.base.task.TaskContext
Provides a context for a task.
org.jbpm.pvm.internal.env.TaskContext
@author Tom Baeyens
tasks.TaskContext
A container for task context parameters. @author syyang

Examples of com.facebook.presto.operator.TaskContext

                    Executor executor)
            {
                this.taskStateMachine = new TaskStateMachine(checkNotNull(taskId, "taskId is null"), checkNotNull(executor, "executor is null"));


                Session session = new Session("user", "source", "catalog", "schema", "address", "agent");
                this.taskContext = new TaskContext(taskStateMachine, executor, session, new DataSize(256, MEGABYTE), new DataSize(1, MEGABYTE), true);


                this.location = URI.create("fake://task/" + taskId);


                this.sharedBuffer = new SharedBuffer(checkNotNull(new DataSize(1, Unit.BYTE), "maxBufferSize is null"));
                this.fragment = checkNotNull(fragment, "fragment is null");

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Examples of com.facebook.presto.operator.TaskContext

        return outputFactory.getMaterializingOperator().getMaterializedResult();
    }


    public List<Driver> createDrivers(@Language("SQL") String sql, OutputFactory outputFactory)
    {
        return createDrivers(sql, outputFactory, new TaskContext(new TaskId("query", "stage", "task"), executor, session));
    }

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Examples of com.facebook.presto.operator.TaskContext


    @BeforeMethod
    public void setUp()
    {
        executor = newCachedThreadPool(daemonThreadsNamed("test"));
        taskContext = new TaskContext(new TaskId("query", "stage", "task"), executor, TEST_SESSION);
    }

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Examples of com.facebook.presto.operator.TaskContext

                Executor executor,
                Multimap<PlanNodeId, Split> initialSplits)
        {
            this.taskStateMachine = new TaskStateMachine(checkNotNull(taskId, "taskId is null"), checkNotNull(executor, "executor is null"));


            this.taskContext = new TaskContext(taskStateMachine, executor, TEST_SESSION, new DataSize(256, MEGABYTE), new DataSize(1, MEGABYTE), true);


            this.location = URI.create("fake://task/" + taskId);


            this.sharedBuffer = new SharedBuffer(taskId, executor, checkNotNull(new DataSize(1, DataSize.Unit.BYTE), "maxBufferSize is null"));
            this.fragment = checkNotNull(fragment, "fragment is null");

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Examples of com.facebook.presto.operator.TaskContext

                    Executor executor,
                    Multimap<PlanNodeId, Split> initialSplits)
            {
                this.taskStateMachine = new TaskStateMachine(checkNotNull(taskId, "taskId is null"), checkNotNull(executor, "executor is null"));


                this.taskContext = new TaskContext(taskStateMachine, executor, TEST_SESSION, new DataSize(256, MEGABYTE), new DataSize(1, MEGABYTE), true);


                this.location = URI.create("fake://task/" + taskId);


                this.sharedBuffer = new SharedBuffer(taskId, executor, checkNotNull(new DataSize(1, Unit.BYTE), "maxBufferSize is null"));
                this.fragment = checkNotNull(fragment, "fragment is null");

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Examples of com.facebook.presto.operator.TaskContext

            if (initialSplit != null) {
                checkState(planFragment.isPartitioned(), "Plan is not partitioned");
                pendingSplits.put(planFragment.getPartitionedSource(), new ScheduledSplit(nextSplitId.getAndIncrement(), initialSplit));
            }


            TaskStats taskStats = new TaskContext(taskId, executor, session).getTaskStats();


            taskInfo = new StateMachine<>("task " + taskId, executor, new TaskInfo(
                    taskId,
                    TaskInfo.MIN_VERSION,
                    TaskState.PLANNED,

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Examples of com.facebook.presto.operator.TaskContext

                DataSize maxBufferSize,
                int initialPages,
                ScheduledExecutorService stateNotificationExecutor)
        {
            this.taskStateMachine = new TaskStateMachine(checkNotNull(taskId, "taskId is null"), checkNotNull(stateNotificationExecutor, "stateNotificationExecutor is null"));
            this.taskContext = new TaskContext(taskStateMachine, stateNotificationExecutor, session, new DataSize(256, MEGABYTE), new DataSize(1, MEGABYTE), true);


            this.location = checkNotNull(location, "location is null");


            this.sharedBuffer = new SharedBuffer(taskId, stateNotificationExecutor, checkNotNull(maxBufferSize, "maxBufferSize is null"));
            sharedBuffer.setOutputBuffers(outputBuffers);

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Examples of com.facebook.presto.operator.TaskContext


            // cache task info
            taskInfos.putIfAbsent(taskInfo.getTaskId(), taskInfo);


            // record input and output stats
            TaskContext taskContext = taskExecution.getTaskContext();
            finishedInputDataSize.merge(taskContext.getInputDataSize());
            finishedInputPositions.merge(taskContext.getInputPositions());
            finishedOutputDataSize.merge(taskContext.getOutputDataSize());
            finishedOutputPositions.merge(taskContext.getOutputPositions());


            // remove task (after caching the task info)
            tasks.remove(taskInfo.getTaskId());
        }
        return taskInfo;

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Examples of com.facebook.presto.operator.TaskContext

        if (taskExecution == null) {
            TaskInfo taskInfo = taskInfos.get(taskId);
            if (taskInfo == null) {
                // task does not exist yet, mark the task as canceled, so later if a late request
                // comes in to create the task, the task remains canceled
                TaskContext taskContext = new TaskContext(
                        new TaskStateMachine(taskId, taskNotificationExecutor),
                        taskManagementExecutor,
                        null,
                        maxTaskMemoryUsage,
                        operatorPreAllocatedMemory,
                        cpuTimerEnabled);


                taskInfo = new TaskInfo(taskId,
                        Long.MAX_VALUE,
                        TaskState.CANCELED,
                        URI.create("unknown"),
                        DateTime.now(),
                        new SharedBufferInfo(QueueState.FINISHED, 0, 0, ImmutableList.<BufferInfo>of()),
                        ImmutableSet.<PlanNodeId>of(),
                        taskContext.getTaskStats(),
                        ImmutableList.<FailureInfo>of());
                TaskInfo existingTaskInfo = taskInfos.putIfAbsent(taskId, taskInfo);
                if (existingTaskInfo != null) {
                    taskInfo = existingTaskInfo;
                }

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Examples of com.facebook.presto.operator.TaskContext

        CounterStat temp;


        temp = new CounterStat();
        temp.merge(finishedInputDataSize);
        for (TaskExecution taskExecution : tasks.values()) {
            TaskContext taskContext = taskExecution.getTaskContext();
            temp.merge(taskContext.getInputDataSize());
        }
        inputDataSize.resetTo(temp);


        temp = new CounterStat();
        temp.merge(finishedInputPositions);
        for (TaskExecution taskExecution : tasks.values()) {
            TaskContext taskContext = taskExecution.getTaskContext();
            temp.merge(taskContext.getInputPositions());
        }
        inputPositions.resetTo(temp);


        temp = new CounterStat();
        temp.merge(finishedOutputDataSize);
        for (TaskExecution taskExecution : tasks.values()) {
            TaskContext taskContext = taskExecution.getTaskContext();
            temp.merge(taskContext.getOutputDataSize());
        }
        outputDataSize.resetTo(temp);


        temp = new CounterStat();
        temp.merge(finishedOutputPositions);
        for (TaskExecution taskExecution : tasks.values()) {
            TaskContext taskContext = taskExecution.getTaskContext();
            temp.merge(taskContext.getOutputPositions());
        }
        outputPositions.resetTo(temp);
    }

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