dsto.dfc.swt.forms
Class DataObjectCopyPipe

java.lang.Object
  dsto.dfc.swt.forms.AbstractPipe
      dsto.dfc.swt.forms.AbstractBiDiPipe
          dsto.dfc.swt.forms.DataObjectCopyPipe

All Implemented Interfaces:

PropertyListener, Pipe, Disposable, EventListener

public class DataObjectCopyPipe
extends AbstractBiDiPipe
implements Pipe, PropertyListener

A pipe that inputs a data object and outputs a clone. Subsequent flush ()'es will trigger an output to the parent pipe only if the object has changed. This can be used to make bean property changes "transactional" ie not committed until a flush ().

Version:

$Revision$

Author:

mpp

See Also:

IDataBean

Field Summary

Fields inherited from class dsto.dfc.swt.forms.AbstractBiDiPipe

childPipe

Fields inherited from class dsto.dfc.swt.forms.AbstractPipe

errorHandler, parent

Constructor Summary

DataObjectCopyPipe()

Method Summary

void	dispose() Forwarded to the child pipe.
boolean	flush() Forwarded to the child pipe.
boolean	input(Object value) Input a value into the pipe tree.
boolean	isDisposed() Test if pipe has been disposed.
boolean	output(Object value) Output a value from a child into the pipe (the reverse of input ()).
void	propertyValueChanged(PropertyEvent e)

Methods inherited from class dsto.dfc.swt.forms.AbstractBiDiPipe

connect, setErrorHandler

Methods inherited from class dsto.dfc.swt.forms.AbstractPipe

getParent, handlePipeError, setParent

Methods inherited from class java.lang.Object

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

Methods inherited from interface dsto.dfc.swt.forms.Pipe

connect, getParent, setErrorHandler, setParent

Constructor Detail

DataObjectCopyPipe

public DataObjectCopyPipe()

Method Detail

dispose

public void dispose()

Description copied from class: AbstractBiDiPipe

Forwarded to the child pipe.

Specified by:

dispose in interface Pipe

Specified by:

dispose in interface Disposable

Overrides:

dispose in class AbstractBiDiPipe

isDisposed

public boolean isDisposed()

Description copied from interface: Pipe

Test if pipe has been disposed.

Specified by:

isDisposed in interface Pipe

flush

public boolean flush()

Description copied from class: AbstractBiDiPipe

Forwarded to the child pipe.

Specified by:

flush in interface Pipe

Overrides:

flush in class AbstractBiDiPipe

Returns:

True if the operation completed successfully.

See Also:

for more info on handling errors.

input

public boolean input(Object value)

Description copied from interface: Pipe

Input a value into the pipe tree.

Specified by:

input in interface Pipe

Returns:

True if the operation completed successfully.

See Also:

for more info on handling errors.

output

public boolean output(Object value)

Description copied from interface: Pipe

Output a value from a child into the pipe (the reverse of input ()).

Specified by:

output in interface Pipe

Returns:

True if the operation completed successfully.

See Also:

for more info on handling errors.

propertyValueChanged

public void propertyValueChanged(PropertyEvent e)

Specified by:

propertyValueChanged in interface PropertyListener