dsto.dfc.swt.forms
Class PipeEndpoint

java.lang.Object
  dsto.dfc.swt.forms.AbstractPipe
      dsto.dfc.swt.forms.PipeEndpoint

All Implemented Interfaces:

Pipe, Disposable

Direct Known Subclasses:

ButtonEndpoint, NumberEndpoint, RadioEndpoint, TextEndpoint

public abstract class PipeEndpoint
extends AbstractPipe

Base class for pipe endpoints: pipe segments that put their input into a non-pipe (eg a UI control). Endpoints cannot have child pipes and cannot have values output () to them.

Author:

phillipm

Field Summary

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

errorHandler, parent

Constructor Summary

PipeEndpoint()

Method Summary

Pipe	connect(Pipe pipe) Connect the output of this pipe to the input of a child pipe.
abstract boolean	flush() Cause any uncommitted changes to any pipe segments in the tree to be pushed back into the pipe sequence (using Pipe.output(Object)).
abstract boolean	input(Object value) Input a value into the pipe tree.
boolean	output(Object value) Output a value from a child into the pipe (the reverse of input ()).

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

dispose, getParent, handlePipeError, setErrorHandler, 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

isDisposed

Constructor Detail

PipeEndpoint

public PipeEndpoint()

Method Detail

flush

public abstract boolean flush()

Description copied from interface: Pipe

Cause any uncommitted changes to any pipe segments in the tree to be pushed back into the pipe sequence (using Pipe.output(Object)). This is designed for use by pipes connect editors such as text fields that are not committed immediately: most pipes will simply forward this call on to their children.

Returns:

True if the operation completed successfully.

See Also:

for more info on handling errors.

input

public abstract boolean input(Object value)

Description copied from interface: Pipe

Input a value into the pipe tree.

Returns:

True if the operation completed successfully.

See Also:

for more info on handling errors.

connect

public Pipe connect(Pipe pipe)

Description copied from interface: Pipe

Connect the output of this pipe to the input of a child pipe.

output

public boolean output(Object value)

Description copied from interface: Pipe

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

Returns:

True if the operation completed successfully.

See Also:

for more info on handling errors.