org.jfree.chart.entity
Interface EntityCollection

All Known Implementing Classes:

StandardEntityCollection

public interface EntityCollection

Defines the methods that a collection of entities is required to implement.

Author:

David Gilbert

Method Summary

void	addEntity(ChartEntity entity) Adds an entity to the collection.
void	clear() Clears all entities.
ChartEntity	getEntity(double x, double y) Returns an entity whose area contains the specified point.
java.util.Iterator	iterator() Returns an iterator for the entities in the collection.

Method Detail

clear

public void clear()

Clears all entities.

addEntity

public void addEntity(ChartEntity entity)

Adds an entity to the collection.

Parameters:

entity - the entity.

getEntity

public ChartEntity getEntity(double x,
                             double y)

Returns an entity whose area contains the specified point.

Parameters:

x - the x coordinate.

y - the y coordinate.

Returns:

The entity.

iterator

public java.util.Iterator iterator()

Returns an iterator for the entities in the collection.

Returns:

an iterator.