solar.service.fap
Interface DataSource

All Known Subinterfaces:

Filter

All Known Implementing Classes:

NodeHandler

public interface DataSource

A data source is the starting point of a pipe.

Version:

$Id: DataSource.java,v 1.7 2003/07/30 19:44:07 glchen Exp $

Author:

Guanling Chen

Method Summary

void	attachOutputPipe(Pipe pipe, OutputPort outport) Attach an output pipe to this data source at a specific port.
Pipe[]	getOutputPipes() Return all the output pipes in an array.
OutputPort[]	getOutputPorts() Return all the output ports in an array.
java.lang.Object	pullData(java.lang.Object query, OutputPort outport) Pull data from this data source at a specific port.

Method Detail

attachOutputPipe

public void attachOutputPipe(Pipe pipe,
                             OutputPort outport)
                      throws FapException

Attach an output pipe to this data source at a specific port.

FapException

getOutputPipes

public Pipe[] getOutputPipes()

Return all the output pipes in an array.

getOutputPorts

public OutputPort[] getOutputPorts()

Return all the output ports in an array.

pullData

public java.lang.Object pullData(java.lang.Object query,
                                 OutputPort outport)
                          throws FapException

Pull data from this data source at a specific port.

FapException