ostore.oil
Class SegmentPager

java.lang.Object
  |
  +--ostore.oil.SegmentPager

All Implemented Interfaces:

EventHandlerIF

public class SegmentPager

extends Object

implements EventHandlerIF

A stage which fetches model segments to/from remote carriers.

Version:

$Id: SegmentPager.java,v 1.13 2002/07/22 20:54:53 srhea Exp $

Author:

Dennis Geels

Nested Class Summary

static class	SegmentPager.Request
static class	SegmentPager.ReverseRequest

Field Summary

protected Model	model For now we store segments inside one huge Model.
protected String	name The name by which to refer to this stage.

Constructor Summary

SegmentPager()

Method Summary

void	destroy()
void	handle_request(SegmentPager.Request req) Processes a Request.
void	handle_reverse_request(SegmentPager.ReverseRequest req) Processes a ReverseRequest.
void	handleEvent(QueueElementIF elem)
void	handleEvents(QueueElementIF[] elemarr)
void	init(ConfigDataIF config)

Methods inherited from class java.lang.Object

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

Field Detail

name

protected String name

The name by which to refer to this stage. It should be the name of the corresponding StageIF.

model

protected Model model

For now we store segments inside one huge Model.

Constructor Detail

SegmentPager

public SegmentPager()

Method Detail

handle_request

public void handle_request(SegmentPager.Request req)

Processes a Request. If this SegmentPager has a copy of the requested Segment, it dispatches it. If not, it should fetch the Segment from a remote carrier (not yet implemented).

handle_reverse_request

public void handle_reverse_request(SegmentPager.ReverseRequest req)

Processes a ReverseRequest. The SegmentPager scans its local Segments for any containing the specified entry. If none are found, it should forward the request to a remote carrier (not yet implemented).

handleEvent

public void handleEvent(QueueElementIF elem)
                 throws UnknownEventException

Specified by:

handleEvent in interface EventHandlerIF

UnknownEventException

handleEvents

public void handleEvents(QueueElementIF[] elemarr)
                  throws UnknownEventException

Specified by:

handleEvents in interface EventHandlerIF

UnknownEventException

init

public void init(ConfigDataIF config)
          throws Exception

Specified by:

init in interface EventHandlerIF

Exception

destroy

public void destroy()

Specified by:

destroy in interface EventHandlerIF