Package com.oracle.coherence.concurrent.executor.tasks

Class ValueTask<T>

java.lang.Object

com.oracle.coherence.concurrent.executor.tasks.ValueTask<T>

Type Parameters:

T - the type of result produced by the Task

All Implemented Interfaces:

Task<T>, com.tangosol.io.ExternalizableLite, com.tangosol.io.pof.PortableObject, Serializable

public class ValueTask<T>
extends Object
implements Task<T>, com.tangosol.io.pof.PortableObject

A Task that provides a constant value as a result.

Since:

21.12

Author:

bo

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.oracle.coherence.concurrent.executor.Task

Task.Collectable<T,R>, Task.Collector<T,A,R>, Task.Completable<T,R>, Task.CompletionRunnable<T>, Task.Context<T>, Task.Coordinator<T>, Task.Option, Task.Orchestration<T>, Task.Properties, Task.SubscribedOrchestration<T>, Task.Subscriber<T>, Task.Subscription<T>, Task.Yield

Field Summary

Fields

Modifier and Type	Field	Description
protected T	m_value	The value for the Task.

Constructor Summary

Constructors

Constructor	Description
ValueTask()	Constructs a ValueTask (required for serialization).
ValueTask(T value)	Constructs a ValueTask.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
T	execute(Task.Context<T> context)	Executes the Task.
int	hashCode()
void	readExternal(com.tangosol.io.pof.PofReader in)
void	readExternal(DataInput in)
String	toString()
void	writeExternal(com.tangosol.io.pof.PofWriter out)
void	writeExternal(DataOutput out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

m_value

protected T m_value

The value for the Task.

Constructor Detail

ValueTask

public ValueTask()

Constructs a ValueTask (required for serialization).

ValueTask

public ValueTask(T value)

Constructs a ValueTask.

Parameters:

value - the value

Method Detail

execute

public T execute(Task.Context<T> context)
          throws Exception

Description copied from interface: Task

Executes the Task.

Specified by:

execute in interface Task<T>

Parameters:

context - the Task.Context

Returns:

the result of executing the Task

Throws:

Task.Yield - which indicates the Task execution should yield execution until some later point in time

Exception

readExternal

public void readExternal(DataInput in)
                  throws IOException

Specified by:

readExternal in interface com.tangosol.io.ExternalizableLite

Throws:

IOException

writeExternal

public void writeExternal(DataOutput out)
                   throws IOException

Specified by:

writeExternal in interface com.tangosol.io.ExternalizableLite

Throws:

IOException

readExternal

public void readExternal(com.tangosol.io.pof.PofReader in)
                  throws IOException

Specified by:

readExternal in interface com.tangosol.io.pof.PortableObject

Throws:

IOException

writeExternal

public void writeExternal(com.tangosol.io.pof.PofWriter out)
                   throws IOException

Specified by:

writeExternal in interface com.tangosol.io.pof.PortableObject

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object