org.openspaces.core.executor.support
Class AbstractDelegatingDistributedTask<T extends Serializable,R>

java.lang.Object
  org.openspaces.core.executor.support.SimpleDelegatingTask<T>
      org.openspaces.core.executor.support.AbstractDelegatingDistributedTask<T,R>

All Implemented Interfaces:

AsyncResultFilter<T>, AsyncResultsReducer<T,R>, Serializable, DistributedTask<T,R>, DelegatingTask<T>, Task<T>, TaskRoutingProvider

Direct Known Subclasses:

AvgTask, MaxTask, MinTask, PrivilegedDistributedTask, SimpleDelegatingDistributedTask, SumTask

public abstract class AbstractDelegatingDistributedTask<T extends Serializable,R>
extends SimpleDelegatingTask<T>
implements DistributedTask<T,R>, AsyncResultFilter<T>

A base class for delegating tasks that are also distributed tasks

Author:

kimchy

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.gigaspaces.async.AsyncResultFilter

AsyncResultFilter.Decision

Constructor Summary

protected	AbstractDelegatingDistributedTask()
	AbstractDelegatingDistributedTask(Task<T> task)
	AbstractDelegatingDistributedTask(Task<T> task, AsyncResultFilter<T> filter)

Method Summary

protected void	_readExternal(ObjectInput input)
protected void	_writeExternal(ObjectOutput output)
protected AsyncResultFilter<T>	getFilter()
AsyncResultFilter.Decision	onResult(AsyncResultFilterEvent<T> event) A callback invoked for each result that arrives as a result of a distributed task execution allowing to access the result that caused this event, the events received so far, and the total expected results.

Methods inherited from class org.openspaces.core.executor.support.SimpleDelegatingTask

execute, getDelegatedTask, getRouting

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openspaces.core.executor.Task

execute

Methods inherited from interface com.gigaspaces.async.AsyncResultsReducer

reduce

Constructor Detail

AbstractDelegatingDistributedTask

protected AbstractDelegatingDistributedTask()

AbstractDelegatingDistributedTask

public AbstractDelegatingDistributedTask(Task<T> task)

AbstractDelegatingDistributedTask

public AbstractDelegatingDistributedTask(Task<T> task,
                                         AsyncResultFilter<T> filter)

Method Detail

onResult

public AsyncResultFilter.Decision onResult(AsyncResultFilterEvent<T> event)

Description copied from interface: AsyncResultFilter

A callback invoked for each result that arrives as a result of a distributed task execution allowing to access the result that caused this event, the events received so far, and the total expected results.

Specified by:

onResult in interface AsyncResultFilter<T extends Serializable>

getFilter

protected AsyncResultFilter<T> getFilter()

_writeExternal

protected void _writeExternal(ObjectOutput output)
                       throws IOException

Overrides:

_writeExternal in class SimpleDelegatingTask<T extends Serializable>

Throws:

IOException

_readExternal

protected void _readExternal(ObjectInput input)
                      throws IOException,
                             ClassNotFoundException

Overrides:

_readExternal in class SimpleDelegatingTask<T extends Serializable>

Throws:

IOException

ClassNotFoundException