ChangeQueue

All Known Implementing Classes:: FixedSizeChangeQueue, UnlimitedChangeQueue, ZeroSizeChangeQueue

public interface ChangeQueue<C>

Nested Class Summary

Nested Classes

Modifier and Type

Interface

Description

static interface

ChangeQueue.QueuePosition
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.

void

push(C... changes)

Method Details
- hasNext
  
  boolean hasNext()
- hasPrev
  
  boolean hasPrev()
- peekNext
  
  C peekNext()
  
  Returns the next item. Current position stays unchanged.
- peekPrev
  
  C peekPrev()
  
  Returns the previous item. Current position stays unchanged.
- next
  
  C next()
  
  Returns the next item and increases the current position by 1.
- prev
  
  C prev()
  
  Returns the previous item and decreases the current position by 1.
- push
  
  void push(C... changes)
- getCurrentPosition
  
  ChangeQueue.QueuePosition getCurrentPosition()
- forgetHistory
  
  void forgetHistory()