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

All Methods Instance Methods Abstract Methods
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 Detail
  - 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()
```