solar.service.fap
Class LocalSourceChannel

java.lang.Object
  |
  +--solar.service.fap.LocalSourceChannel

All Implemented Interfaces:

SourceChannel

public class LocalSourceChannel

extends java.lang.Object

implements SourceChannel

The data source of this channel is on the local site.

Version:

$Id: LocalSourceChannel.java,v 1.5 2003/07/30 19:44:08 glchen Exp $

Author:

Guanling Chen

Field Summary

protected OutputPort	_outport
protected DataSource	_source

Constructor Summary

LocalSourceChannel()
Constructs an empty source channel.

LocalSourceChannel(DataSource source, OutputPort outport)
Constructs a source channel wit specified data source attached.

Method Summary

void	attachDataSource(DataSource source, OutputPort outport) Attach a data source to this pipe.
DataSource	getDataSource() Return the data source of this pipe.
OutputPort	getOutputPort() Return the output port of connected data source.
boolean	isRemote() Return whether the source is on remote site.
java.lang.Object	pullData(java.lang.Object query) Pull the data from upstream filter (data source).

Methods inherited from class java.lang.Object

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

Field Detail

_source

protected DataSource _source

_outport

protected OutputPort _outport

Constructor Detail

LocalSourceChannel

public LocalSourceChannel()

Constructs an empty source channel.

LocalSourceChannel

public LocalSourceChannel(DataSource source,
                          OutputPort outport)

Constructs a source channel wit specified data source attached.

Method Detail

isRemote

public boolean isRemote()

Description copied from interface: SourceChannel

Return whether the source is on remote site.

Specified by:

isRemote in interface SourceChannel

attachDataSource

public void attachDataSource(DataSource source,
                             OutputPort outport)
                      throws FapException

Description copied from interface: SourceChannel

Attach a data source to this pipe.

Specified by:

attachDataSource in interface SourceChannel

FapException

getDataSource

public DataSource getDataSource()
                         throws FapException

Description copied from interface: SourceChannel

Return the data source of this pipe.

Specified by:

getDataSource in interface SourceChannel

FapException

getOutputPort

public OutputPort getOutputPort()
                         throws FapException

Description copied from interface: SourceChannel

Return the output port of connected data source.

Specified by:

getOutputPort in interface SourceChannel

FapException

pullData

public java.lang.Object pullData(java.lang.Object query)
                          throws FapException

Description copied from interface: SourceChannel

Pull the data from upstream filter (data source).

Specified by:

pullData in interface SourceChannel

FapException