net.sf.mmm.util.io.base
Class StreamUtilImpl.AbstractAsyncTransferrer

java.lang.Object
  net.sf.mmm.util.io.base.StreamUtilImpl.AbstractAsyncTransferrer

All Implemented Interfaces:

Callable<Long>, Stoppable

Direct Known Subclasses:

StreamUtilImpl.BaseTransferrer

Enclosing class:

StreamUtilImpl

protected abstract static class StreamUtilImpl.AbstractAsyncTransferrer
extends Object
implements Callable<Long>, Stoppable

This is the abstract base class for the Callable that transfers data of streams or readers/writers.

Field Summary

private boolean	completed
private boolean	stopped

Constructor Summary

protected

StreamUtilImpl.AbstractAsyncTransferrer()

Method Summary

boolean	isCompleted() This method determines if the transfer has been completed successfully.
boolean	isStopped() This method determines if this transferrer was stopped.
protected void	setCompleted() This method sets the completed-flag.
void	stop() This method stops the task.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.Callable

call

Field Detail

stopped

private volatile boolean stopped

See Also:

stop()

completed

private volatile boolean completed

See Also:

isCompleted()

Constructor Detail

StreamUtilImpl.AbstractAsyncTransferrer

protected StreamUtilImpl.AbstractAsyncTransferrer()

Method Detail

stop

public void stop()

This method stops the task.

Specified by:

stop in interface Stoppable

isStopped

public final boolean isStopped()

This method determines if this transferrer was stopped.

Returns:

true if stopped, false otherwise.

isCompleted

public final boolean isCompleted()

This method determines if the transfer has been completed successfully.

Returns:

true if successfully completed, false if still running, stopped or an exception occurred.

setCompleted

protected void setCompleted()

This method sets the completed-flag.