org.apfloat.samples

Class LocalOperationExecutor

java.lang.Object

org.apfloat.samples.LocalOperationExecutor

All Implemented Interfaces:

OperationExecutor

public class LocalOperationExecutor
extends Object
implements OperationExecutor

Class to execute Operations locally. The execution is done in the current JVM.

Version:

1.1

Author:

Mikko Tommila

Constructor Summary

Constructors

Constructor and Description
LocalOperationExecutor() Default constructor.

Method Summary

Modifier and Type	Method and Description
<T> T	execute(Operation<T> operation) Execute an operation immediately.
<T> BackgroundOperation<T>	executeBackground(Operation<T> operation) Execute an operation in the background.
int	getWeight() Returns the relative weight of this executor.

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalOperationExecutor

public LocalOperationExecutor()

Default constructor.

Method Detail

execute

public <T> T execute(Operation<T> operation)

Execute an operation immediately. This method will block until the operation is complete.

Specified by:

execute in interface OperationExecutor

Type Parameters:

T - Return value type of the operation.

Parameters:

operation - The operation to execute.

Returns:

The result of the operation.

executeBackground

public <T> BackgroundOperation<T> executeBackground(Operation<T> operation)

Execute an operation in the background. This method starts a new thread executing the operation and returns immediately.

Specified by:

executeBackground in interface OperationExecutor

Type Parameters:

T - Return value type of the operation.

Parameters:

operation - The operation to execute in the background.

Returns:

A BackgroundOperation for retrieving the result of the operation later.

getWeight

public int getWeight()

Description copied from interface: OperationExecutor

Returns the relative weight of this executor. The weights of different operation executors can be used to distribute work more equally.

Specified by:

getWeight in interface OperationExecutor

Returns:

The relative weight of this operation executor.