EmptyOrderedIterator (OpenJPA Parent POM 4.0.0 API)

java.lang.Object
- org.apache.openjpa.lib.util.collections.EmptyOrderedIterator<E>

Type Parameters:

E - the type to iterate.

All Implemented Interfaces:

java.util.Iterator<E>, OrderedIterator<E>, ResettableIterator<E>
```
public class EmptyOrderedIterator<E>
extends java.lang.Object
implements OrderedIterator<E>, ResettableIterator<E>
```
Provides an implementation of an empty ordered iterator.

Since:

3.1

Field Summary

Fields
Modifier and Type Field Description

static OrderedIterator INSTANCE
Singleton instance of the iterator.

Constructor Summary

Constructors
Modifier Constructor Description

protected EmptyOrderedIterator()
Constructor.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(E obj)`
`static <E> OrderedIterator<E>`	`emptyOrderedIterator()`	Typed instance of the iterator.
`boolean`	`hasNext()`
`boolean`	`hasPrevious()`
`E`	`next()`
`int`	`nextIndex()`
`E`	`previous()`
`int`	`previousIndex()`
`void`	`remove()`
`void`	`reset()`
`void`	`set(E obj)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator
forEachRemaining, hasNext, next, remove

Methods inherited from interface org.apache.openjpa.lib.util.collections.OrderedIterator
hasPrevious, previous

Methods inherited from interface org.apache.openjpa.lib.util.collections.ResettableIterator
reset

Field Detail
- INSTANCE
```
public static final OrderedIterator INSTANCE
```
  Singleton instance of the iterator.
  
  Since:
  
  3.1

Constructor Detail
- EmptyOrderedIterator
```
protected EmptyOrderedIterator()
```
  Constructor.

Method Detail

emptyOrderedIterator
```
public static <E> OrderedIterator<E> emptyOrderedIterator()
```
Typed instance of the iterator.

Type Parameters:

E - the element type

Returns:

OrderedIterator<E>

hasNext
```
public boolean hasNext()
```

next
```
public E next()
```

hasPrevious
```
public boolean hasPrevious()
```

previous
```
public E previous()
```

nextIndex
```
public int nextIndex()
```

previousIndex
```
public int previousIndex()
```

add
```
public void add(E obj)
```

set
```
public void set(E obj)
```

remove
```
public void remove()
```

reset
```
public void reset()
```