solar.service.dan
Class Application

java.lang.Object
  |
  +--solar.service.dan.GraphNode
        |
        +--solar.service.dan.Application

All Implemented Interfaces:

DanConstants, Identifiable

Direct Known Subclasses:

EventPrinter, MeetingApp

public abstract class Application

extends GraphNode

A base class for Solar applications.

Version:

$Id: Application.java,v 1.1 2003/09/19 00:38:24 glchen Exp $

Author:

Guanling Chen

Field Summary

Fields inherited from class solar.service.dan.GraphNode

_gid

Fields inherited from interface solar.service.dan.DanConstants

DAN_INPORT, DAN_OUTPORT

Constructor Summary

Application()

Method Summary

java.util.List	getOutputPorts() Return a list of output ports of this node.
java.lang.Object	handleQuery(Request query) Handle the query being actively pulled by downstream operators.

Methods inherited from class solar.service.dan.GraphNode

getId, getInputPorts, handleEvent, handleEvent, handleQuery, init, init, publish, publish, setId

Methods inherited from class java.lang.Object

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

Constructor Detail

Application

public Application()

Method Detail

getOutputPorts

public java.util.List getOutputPorts()

Description copied from class: GraphNode

Return a list of output ports of this node.

Overrides:

getOutputPorts in class GraphNode

handleQuery

public java.lang.Object handleQuery(Request query)
                             throws java.lang.Exception

Description copied from class: GraphNode

Handle the query being actively pulled by downstream operators.

Specified by:

handleQuery in class GraphNode

java.lang.Exception