Package com.oracle.coherence.concurrent.executor

Class TaskCollectors.LastOfCollector<T>

java.lang.Object

com.oracle.coherence.concurrent.executor.AbstractCollector<T,T>

com.oracle.coherence.concurrent.executor.TaskCollectors.LastOfCollector<T>

Type Parameters:

T - the type of result

All Implemented Interfaces:

Task.Collector<T,List<T>,T>, ExternalizableLite, PortableObject, Serializable

Enclosing class:

TaskCollectors

public static class TaskCollectors.LastOfCollector<T>
extends com.oracle.coherence.concurrent.executor.AbstractCollector<T,T>

A Task.Collector that collects and returns the last contributed result.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
LastOfCollector()

Method Summary

Modifier and Type	Method	Description
Function<List<T>,T>	finisher()	Perform the final transformation from the intermediate accumulation type A to the final result type R.
void	readExternal(PofReader in)	Restore the contents of a user type instance by reading its state using the specified PofReader object.
void	writeExternal(PofWriter out)	Save the contents of a POF user type instance by writing its state using the specified PofWriter object.

Methods inherited from class com.oracle.coherence.concurrent.executor.AbstractCollector

accumulator, finishable, supplier

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.tangosol.io.ExternalizableLite

readExternal, writeExternal

Constructor Details

LastOfCollector

public LastOfCollector()

Method Details

finisher

public Function<List<T>,T> finisher()

Description copied from interface: Task.Collector

Perform the final transformation from the intermediate accumulation type A to the final result type R.

Returns:

a function which transforms the intermediate result to the final result

readExternal

public void readExternal(PofReader in)
                  throws IOException

Description copied from interface: PortableObject

Restore the contents of a user type instance by reading its state using the specified PofReader object.

Parameters:

in - the PofReader from which to read the object's state

Throws:

IOException - if an I/O error occurs

writeExternal

public void writeExternal(PofWriter out)
                   throws IOException

Description copied from interface: PortableObject

Save the contents of a POF user type instance by writing its state using the specified PofWriter object.

Parameters:

out - the PofWriter to which to write the object's state

Throws:

IOException - if an I/O error occurs