Package org.fxmisc.undo.impl

Class ZeroSizeChangeQueue<C>

java.lang.Object

org.fxmisc.undo.impl.ZeroSizeChangeQueue<C>

All Implemented Interfaces:

ChangeQueue<C>

public class ZeroSizeChangeQueue<C>
extends Object
implements ChangeQueue<C>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	ZeroSizeChangeQueue.QueuePositionImpl

Nested classes/interfaces inherited from interface org.fxmisc.undo.impl.ChangeQueue

ChangeQueue.QueuePosition

Field Summary

Fields

Modifier and Type	Field	Description
private long	revision

Constructor Summary

Constructors

Constructor	Description
ZeroSizeChangeQueue()

Method Summary

Modifier and Type	Method	Description
void	forgetHistory()
ChangeQueue.QueuePosition	getCurrentPosition()
boolean	hasNext()
boolean	hasPrev()
C	next()	Returns the next item and increases the current position by 1.
C	peekNext()	Returns the next item.
C	peekPrev()	Returns the previous item.
C	prev()	Returns the previous item and decreases the current position by 1.
final void	push(C... changes)

Methods inherited from class java.lang.Object

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

Field Details

revision

private long revision

Constructor Details

ZeroSizeChangeQueue

public ZeroSizeChangeQueue()

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface ChangeQueue<C>

hasPrev

public boolean hasPrev()

Specified by:

hasPrev in interface ChangeQueue<C>

peekNext

public C peekNext()

Description copied from interface: ChangeQueue

Returns the next item. Current position stays unchanged.

Specified by:

peekNext in interface ChangeQueue<C>

next

public C next()

Description copied from interface: ChangeQueue

Returns the next item and increases the current position by 1.

Specified by:

next in interface ChangeQueue<C>

peekPrev

public C peekPrev()

Description copied from interface: ChangeQueue

Returns the previous item. Current position stays unchanged.

Specified by:

peekPrev in interface ChangeQueue<C>

prev

public C prev()

Description copied from interface: ChangeQueue

Returns the previous item and decreases the current position by 1.

Specified by:

prev in interface ChangeQueue<C>

push

@SafeVarargs
public final void push(C... changes)

Specified by:

push in interface ChangeQueue<C>

getCurrentPosition

public ChangeQueue.QueuePosition getCurrentPosition()

Specified by:

getCurrentPosition in interface ChangeQueue<C>

forgetHistory

public void forgetHistory()

Specified by:

forgetHistory in interface ChangeQueue<C>