Package org.apache.pivot.charts

Class ChartView.CategorySequence

java.lang.Object

org.apache.pivot.charts.ChartView.CategorySequence

All Implemented Interfaces:

Sequence<ChartView.Category>

Enclosing class:

ChartView

public final class ChartView.CategorySequence
extends java.lang.Object
implements Sequence<ChartView.Category>

Internal class for managing the chart's category list.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.pivot.collections.Sequence

Sequence.Tree<T>

Constructor Summary

Constructors

Constructor	Description
CategorySequence()

Method Summary

Modifier and Type	Method	Description
int	add(ChartView.Category category)	Adds an item to the sequence.
ChartView.Category	get(int index)	Retrieves the item at the given index.
int	getLength()	Returns the length of the sequence.
int	indexOf(ChartView.Category category)	Returns the index of an item in the sequence.
void	insert(ChartView.Category category, int index)	Inserts an item into the sequence at a specific index.
Sequence<ChartView.Category>	remove(int index, int count)	Removes one or more items from the sequence.
int	remove(ChartView.Category category)	Removes the first occurrence of the given item from the sequence.
ChartView.Category	update(int index, ChartView.Category category)	Updates the item at the given index.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pivot.collections.Sequence

addAll, addAll

Constructor Detail

CategorySequence

public CategorySequence()

Method Detail

add

public int add(ChartView.Category category)

Description copied from interface: Sequence

Adds an item to the sequence.

Specified by:

add in interface Sequence<ChartView.Category>

Parameters:

category - The item to be added to the sequence.

Returns:

The index at which the item was added, or -1 if the item was not added to the sequence.

insert

public void insert(ChartView.Category category,
                   int index)

Description copied from interface: Sequence

Inserts an item into the sequence at a specific index.

Specified by:

insert in interface Sequence<ChartView.Category>

Parameters:

category - The item to be added to the sequence.

index - The index at which the item should be inserted. Must be a value between 0 and getLength().

update

@UnsupportedOperation
public ChartView.Category update(int index,
                                 ChartView.Category category)

Description copied from interface: Sequence

Updates the item at the given index.

Specified by:

update in interface Sequence<ChartView.Category>

Parameters:

index - The index of the item to update.

category - The item that will replace any existing value at the given index.

Returns:

The item that was previously stored at the given index.

remove

public int remove(ChartView.Category category)

Description copied from interface: Sequence

Removes the first occurrence of the given item from the sequence.

Specified by:

remove in interface Sequence<ChartView.Category>

Parameters:

category - The item to remove.

Returns:

The index of the item that was removed, or -1 if the item could not be found.

See Also:

Sequence.remove(int, int)

remove

public Sequence<ChartView.Category> remove(int index,
                                           int count)

Description copied from interface: Sequence

Removes one or more items from the sequence.

Specified by:

remove in interface Sequence<ChartView.Category>

Parameters:

index - The starting index to remove.

count - The number of items to remove, beginning with index.

Returns:

A sequence containing the items that were removed.

get

public ChartView.Category get(int index)

Description copied from interface: Sequence

Retrieves the item at the given index.

Specified by:

get in interface Sequence<ChartView.Category>

Parameters:

index - The index of the item to retrieve.

Returns:

The item at this index in the sequence.

indexOf

public int indexOf(ChartView.Category category)

Description copied from interface: Sequence

Returns the index of an item in the sequence.

Specified by:

indexOf in interface Sequence<ChartView.Category>

Parameters:

category - The item to locate.

Returns:

The index of first occurrence of the item if it exists in the sequence; -1, otherwise.

getLength

public int getLength()

Description copied from interface: Sequence

Returns the length of the sequence.

Specified by:

getLength in interface Sequence<ChartView.Category>

Returns:

The number of items in the sequence.