org.jfree.chart.entity

Interface EntityCollection

public interface EntityCollection

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

Method Summary
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

add

public void add(ChartEntity entity)

Adds an entity to the collection.

Parameters: entity the entity (null not permitted).

addAll

public void addAll(EntityCollection collection)

Adds the entities from another collection to this collection.

Parameters: collection the other collection.

clear

public void clear()

Clears all entities.

getEntities

public Collection getEntities()

Returns the entities in an unmodifiable collection.

Returns: The entities.

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.

getEntity

public ChartEntity getEntity(int index)

Returns an entity from the collection.

Parameters: index the index (zero-based).

Returns: An entity.

getEntityCount

public int getEntityCount()

Returns the entity count.

Returns: The entity count.

iterator

public Iterator iterator()

Returns an iterator for the entities in the collection.

Returns: An iterator.

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