Class InternalDistributedSpaceTaskWrapper<T extends Serializable, R>

java.lang.Object

org.openspaces.core.executor.internal.InternalSpaceTaskWrapper<T>

org.openspaces.core.executor.internal.InternalDistributedSpaceTaskWrapper<T,R>

All Implemented Interfaces:

AsyncResultFilter<T>, AsyncResultsReducer<T,R>, DistributedSpaceTask<T,R>, SpaceTask<T>, SpaceTaskWrapper, SmartExternalizable, Externalizable, Serializable

Direct Known Subclasses:

InternalDurableTaskWrapper

public class InternalDistributedSpaceTaskWrapper<T extends Serializable, R>
extends InternalSpaceTaskWrapper<T>
implements DistributedSpaceTask<T,R>, AsyncResultFilter<T>

An internal implementation of DistributedSpaceTask that wraps the actual Task to be executed.

Author:

kimchy

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface AsyncResultFilter

AsyncResultFilter.Decision

Constructor Summary

Constructors

Constructor	Description
InternalDistributedSpaceTaskWrapper()
InternalDistributedSpaceTaskWrapper(DistributedTask<T,R> task)

Method Summary

Modifier and Type	Method	Description
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.
void	readExternal(ObjectInput in)
R	reduce(List<AsyncResult<T>> asyncResults)
void	writeExternal(ObjectOutput out)

Methods inherited from class InternalSpaceTaskWrapper

execute, getRouting, getSupportCodeChangeAnnotationContainer, getTask, getWrappedTask, setRouting

Methods inherited from class Object

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

Methods inherited from interface SmartExternalizable

enabledSmartExternalizableWithReference

Methods inherited from interface SpaceTask

execute

Constructor Details

InternalDistributedSpaceTaskWrapper

public InternalDistributedSpaceTaskWrapper()

InternalDistributedSpaceTaskWrapper

public InternalDistributedSpaceTaskWrapper(DistributedTask<T,R> task)

Method Details

reduce

public R reduce(List<AsyncResult<T>> asyncResults)
         throws Exception

Specified by:

reduce in interface AsyncResultsReducer<T extends Serializable, R>

Throws:

Exception

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>

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class InternalSpaceTaskWrapper<T extends Serializable>

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class InternalSpaceTaskWrapper<T extends Serializable>

Throws:

IOException

ClassNotFoundException