Package org.apache.hadoop.lib.lang

Class RunnableCallable

java.lang.Object

org.apache.hadoop.lib.lang.RunnableCallable

All Implemented Interfaces:

java.lang.Runnable, java.util.concurrent.Callable<java.lang.Void>

@Private
public class RunnableCallable
extends java.lang.Object
implements java.util.concurrent.Callable<java.lang.Void>, java.lang.Runnable

Adapter class that allows Runnables and Callables to be treated as the other.

Constructor Summary

Constructors

Constructor	Description
RunnableCallable(java.lang.Runnable runnable)	Constructor that takes a runnable.
RunnableCallable(java.util.concurrent.Callable<?> callable)	Constructor that takes a callable.

Method Summary

Modifier and Type	Method	Description
java.lang.Void	call()	Invokes the wrapped callable/runnable as a callable.
void	run()	Invokes the wrapped callable/runnable as a runnable.
java.lang.String	toString()	Returns the class name of the wrapper callable/runnable.

Methods inherited from class java.lang.Object

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

Constructor Detail

RunnableCallable

public RunnableCallable(java.lang.Runnable runnable)

Constructor that takes a runnable.

Parameters:

runnable - runnable.

RunnableCallable

public RunnableCallable(java.util.concurrent.Callable<?> callable)

Constructor that takes a callable.

Parameters:

callable - callable.

Method Detail

call

public java.lang.Void call()
                    throws java.lang.Exception

Invokes the wrapped callable/runnable as a callable.

Specified by:

call in interface java.util.concurrent.Callable<java.lang.Void>

Returns:

void

Throws:

java.lang.Exception - thrown by the wrapped callable/runnable invocation.

run

public void run()

Invokes the wrapped callable/runnable as a runnable.

Specified by:

run in interface java.lang.Runnable

Throws:

java.lang.RuntimeException - thrown by the wrapped callable/runnable invocation.

toString

public java.lang.String toString()

Returns the class name of the wrapper callable/runnable.

Overrides:

toString in class java.lang.Object

Returns:

the class name of the wrapper callable/runnable.