org.gridgain.grid.kernal.processors.hadoop.taskexecutor

Class GridHadoopRunnableTask

java.lang.Object

org.gridgain.grid.kernal.processors.hadoop.taskexecutor.GridHadoopRunnableTask

All Implemented Interfaces:

Callable<Void>, org.gridgain.grid.util.lang.GridPlainCallable<Void>

public abstract class GridHadoopRunnableTask
extends Object
implements org.gridgain.grid.util.lang.GridPlainCallable<Void>

Runnable task.

Constructor Summary

Constructors

Constructor and Description
GridHadoopRunnableTask(org.gridgain.grid.logger.GridLogger log, org.gridgain.grid.hadoop.GridHadoopJob job, org.gridgain.grid.util.offheap.unsafe.GridUnsafeMemory mem, org.gridgain.grid.hadoop.GridHadoopTaskInfo info)

Method Summary

Methods

Modifier and Type	Method and Description
Void	call()
void	cancel() Cancel the executed task.
protected abstract org.gridgain.grid.hadoop.GridHadoopTaskInput	createInput(org.gridgain.grid.hadoop.GridHadoopTaskInfo info)
protected abstract org.gridgain.grid.hadoop.GridHadoopTaskOutput	createOutput(org.gridgain.grid.hadoop.GridHadoopTaskInfo info)
long	executionTime()
protected abstract void	onTaskFinished(GridHadoopTaskState state, Throwable err)
org.gridgain.grid.hadoop.GridHadoopTaskInfo	taskInfo()
long	waitTime()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GridHadoopRunnableTask

public GridHadoopRunnableTask(org.gridgain.grid.logger.GridLogger log,
                      org.gridgain.grid.hadoop.GridHadoopJob job,
                      org.gridgain.grid.util.offheap.unsafe.GridUnsafeMemory mem,
                      org.gridgain.grid.hadoop.GridHadoopTaskInfo info)

Parameters:

log - Log.

job - Job.

mem - Memory.

info - Task info.

Method Detail

waitTime

public long waitTime()

Returns:

Wait time.

executionTime

public long executionTime()

Returns:

Execution time.

call

public Void call()
          throws org.gridgain.grid.GridException

Specified by:

call in interface Callable<Void>

Throws:

org.gridgain.grid.GridException

cancel

public void cancel()

Cancel the executed task.

onTaskFinished

protected abstract void onTaskFinished(GridHadoopTaskState state,
                  Throwable err)

Parameters:

state - State.

err - Error.

createInput

protected abstract org.gridgain.grid.hadoop.GridHadoopTaskInput createInput(org.gridgain.grid.hadoop.GridHadoopTaskInfo info)
                                                                     throws org.gridgain.grid.GridException

Parameters:

info - Task info.

Returns:

Input.

Throws:

org.gridgain.grid.GridException - If failed.

createOutput

protected abstract org.gridgain.grid.hadoop.GridHadoopTaskOutput createOutput(org.gridgain.grid.hadoop.GridHadoopTaskInfo info)
                                                                       throws org.gridgain.grid.GridException

Parameters:

info - Task info.

Returns:

Output.

Throws:

org.gridgain.grid.GridException - If failed.

taskInfo

public org.gridgain.grid.hadoop.GridHadoopTaskInfo taskInfo()

Returns:

Task info.