QueryProcessor.Skyline
Class SkylineResultMultiLayer

java.lang.Object
  QueryProcessor.Skyline.SkylineResultMultiLayer

public class SkylineResultMultiLayer
extends java.lang.Object

Class representing a sequence of layers of uncomparable images (images in layer i+1 are dominated by at least one image in layer i).

Constructor Summary

SkylineResultMultiLayer()
Basic constructor.

Method Summary

void	addLayer(int level) Adds a new layer at a given level.
SkylineResultLayer	getLayer(int level) Returns, and does not remove, the layer at a given level.
SkylineResultLayer	getNextLayer() Returns, and does not remove, the next layer.
SkylineResultLayer	removeLayer(int level) Returns and removes the layer at a given level.
SkylineResultLayer	removeNextLayer() Returns and removes the next layer.
int	size() Returns the number of layers.

Methods inherited from class java.lang.Object

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

Constructor Detail

SkylineResultMultiLayer

public SkylineResultMultiLayer()

Basic constructor.

Method Detail

addLayer

public void addLayer(int level)

Adds a new layer at a given level.

Parameters:

level - Level of the layer to be added.

getNextLayer

public SkylineResultLayer getNextLayer()

Returns, and does not remove, the next layer.

Returns:

The next layer, null if no layer exists.

getLayer

public SkylineResultLayer getLayer(int level)

Returns, and does not remove, the layer at a given level.

Parameters:

level - Level of the requested layer.

Returns:

The layer at the requested level, null if no such layer exists.

removeNextLayer

public SkylineResultLayer removeNextLayer()

Returns and removes the next layer.

Returns:

The next layer, null if no layer exists.

removeLayer

public SkylineResultLayer removeLayer(int level)

Returns and removes the layer at a given level.

Parameters:

level - Level of the requested layer.

Returns:

The layer at the requested level, null if no such layer exists.

size

public int size()

Returns the number of layers.

Returns:

The number of layers.