edu.umass.cs.mallet.base.util.search

Interface QueueElement

All Known Implementing Classes:

AStarNode, SearchNode

public interface QueueElement

Created by IntelliJ IDEA. User: pereira Date: Jun 18, 2005 Time: 7:31:08 PM Queue elements have a priority, and a queue position. Lower-priority elements are closer to the front of the queue. The queue position is set by the queue implementation, and should not be changed outside the queue implementation.

Method Summary

Modifier and Type	Method and Description
int	getPosition() Get the queue position of this element.
double	getPriority() Get this element's priority.
void	setPosition(int pos) Set the current queue position for this element.
void	setPriority(double priority) Set the priority of this element.

Method Detail

getPriority

double getPriority()

Get this element's priority.

Returns:

the priority

setPriority

void setPriority(double priority)

Set the priority of this element.

Parameters:

priority - the element's new priority

getPosition

int getPosition()

Get the queue position of this element. If the element is not in a queue, the returned value is meaningless.

Returns:

the current position

setPosition

void setPosition(int pos)

Set the current queue position for this element. This should only be called by a queue implementation.

Parameters:

pos - the new position for the element