org.jfree.chart.entity

Interface EntityCollection

All Known Implementing Classes:

StandardEntityCollection

public interface EntityCollection

This interface defines the methods used to access an ordered list of ChartEntity objects.

Method Summary

Modifier and Type	Method and Description
void	add(ChartEntity entity) Adds an entity to the collection.
void	addAll(EntityCollection collection) Adds the entities from another collection to this collection.
void	clear() Clears all entities.
Collection	getEntities() Returns the entities in an unmodifiable collection.
ChartEntity	getEntity(double x, double y) Returns an entity whose area contains the specified point.
ChartEntity	getEntity(int index) Returns an entity from the collection.
int	getEntityCount() Returns the entity count.
Iterator	iterator() Returns an iterator for the entities in the collection.

Method Detail

clear

void clear()

Clears all entities.

add

void add(ChartEntity entity)

Adds an entity to the collection.

Parameters:

entity - the entity (null not permitted).

addAll

void addAll(EntityCollection collection)

Adds the entities from another collection to this collection.

Parameters:

collection - the other collection.

getEntity

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.

getEntity

ChartEntity getEntity(int index)

Returns an entity from the collection.

Parameters:

index - the index (zero-based).

Returns:

An entity.

getEntityCount

int getEntityCount()

Returns the entity count.

Returns:

The entity count.

getEntities

Collection getEntities()

Returns the entities in an unmodifiable collection.

Returns:

The entities.

iterator

Iterator iterator()

Returns an iterator for the entities in the collection.

Returns:

An iterator.