dk.deepthought.sidious.goalhandler
Class GoalHandlerEngine

java.lang.Object
  dk.deepthought.sidious.util.SidiousQueue<SuperLinkID>
      dk.deepthought.sidious.goalhandler.GoalHandlerEngine

All Implemented Interfaces:

GoalHandler

public class GoalHandlerEngine
extends SidiousQueue<SuperLinkID>
implements GoalHandler

This class prioritizes goals and chooses which are to be sent to the BlackBoard.

The class extends the sidious queue and process goals asynchronously.

Author:

Deepthought

Field Summary

private static GoalHandler	INSTANCE Private Singleton instance.
private static org.apache.commons.logging.Log	logger Logger for this class

Constructor Summary

private

GoalHandlerEngine() Private constructor to facilitate singleton property.

Method Summary

static GoalHandler	getInstance() Returns the singleton instance of this goal handler.
Goal	getTopPriorityGoal(SuperLinkID id) This method retrieves the top goal for a given SuperLinkID.
protected void	process(SuperLinkID item) The processing of an item.
void	request(SuperLinkID id) Request a goal to be extracted from requester with specified id.

Methods inherited from class dk.deepthought.sidious.util.SidiousQueue

enqueue, interrupt

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final org.apache.commons.logging.Log logger

Logger for this class

INSTANCE

private static final GoalHandler INSTANCE

Private Singleton instance.

Constructor Detail

GoalHandlerEngine

private GoalHandlerEngine()

Private constructor to facilitate singleton property.

Method Detail

getTopPriorityGoal

public Goal getTopPriorityGoal(SuperLinkID id)

Description copied from interface: GoalHandler

This method retrieves the top goal for a given SuperLinkID.

Specified by:

getTopPriorityGoal in interface GoalHandler

Parameters:

id - the id to retrieve the top goal for

Returns:

the top goal

getInstance

public static GoalHandler getInstance()

Returns the singleton instance of this goal handler.

Returns:

the singleton instance

request

public final void request(SuperLinkID id)

Description copied from interface: GoalHandler

Request a goal to be extracted from requester with specified id. This request is added to the requester queue.

Specified by:

request in interface GoalHandler

Parameters:

id - the id of the requester

process

protected void process(SuperLinkID item)

Description copied from class: SidiousQueue

The processing of an item.

Specified by:

process in class SidiousQueue<SuperLinkID>

Parameters:

item - the item to be processed.