org.apache.mina.util
Class Queue

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList
          org.apache.mina.util.Queue

All Implemented Interfaces:

Serializable, Iterable, Collection, List

Direct Known Subclasses:

BlockingQueue

public class Queue
extends AbstractList
implements List, Serializable

A unbounded circular queue.

Version:

$Rev: 436993 $, $Date: 2006-08-26 00:36:56 +0200 (Sat, 26 Aug 2006) $

Author:

The Apache Directory Project (mina-dev@directory.apache.org)

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Queue()
Construct a new, empty queue.

Method Summary

void	add(int idx, Object o)
boolean	add(Object o)
int	byteSize() Returns the sum of the 'remaining' of all ByteBuffers in this queue.
int	capacity() Returns the capacity of this queue.
void	clear() Clears this queue.
Object	element()
Object	first() Returns the first element of the queue.
Object	get(int idx)
boolean	isEmpty() Returns true if the queue is empty.
Object	last() Returns the last element of the queue.
boolean	offer(Object o)
Object	peek()
Object	poll()
Object	pop() Dequeues from this queue.
void	push(Object item) Enqueue into this queue.
Object	remove()
Object	remove(int idx)
Object	set(int idx, Object o)
int	size() Returns the number of elements in the queue.
String	toString()

Methods inherited from class java.util.AbstractList

addAll, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, removeRange, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, remove, removeAll, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

addAll, addAll, contains, containsAll, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeAll, retainAll, subList, toArray, toArray

Constructor Detail

Queue

public Queue()

Construct a new, empty queue.

Method Detail

capacity

public int capacity()

Returns the capacity of this queue.

clear

public void clear()

Clears this queue.

Specified by:

clear in interface Collection

Specified by:

clear in interface List

Overrides:

clear in class AbstractList

pop

public Object pop()

Dequeues from this queue.

Returns:

null, if this queue is empty or the element is really null.

push

public void push(Object item)

Enqueue into this queue.

first

public Object first()

Returns the first element of the queue.

Returns:

null, if the queue is empty, or the element is really null.

last

public Object last()

Returns the last element of the queue.

Returns:

null, if the queue is empty, or the element is really null.

get

public Object get(int idx)

Specified by:

get in interface List

Specified by:

get in class AbstractList

isEmpty

public boolean isEmpty()

Returns true if the queue is empty.

Specified by:

isEmpty in interface Collection

Specified by:

isEmpty in interface List

Overrides:

isEmpty in class AbstractCollection

size

public int size()

Returns the number of elements in the queue.

Specified by:

size in interface Collection

Specified by:

size in interface List

Specified by:

size in class AbstractCollection

byteSize

public int byteSize()

Returns the sum of the 'remaining' of all ByteBuffers in this queue.

Throws:

ClassCastException - if an element is not a ByteBuffer

toString

public String toString()

Overrides:

toString in class AbstractCollection

add

public boolean add(Object o)

Specified by:

add in interface Collection

Specified by:

add in interface List

Overrides:

add in class AbstractList

set

public Object set(int idx,
                  Object o)

Specified by:

set in interface List

Overrides:

set in class AbstractList

add

public void add(int idx,
                Object o)

Specified by:

add in interface List

Overrides:

add in class AbstractList

remove

public Object remove(int idx)

Specified by:

remove in interface List

Overrides:

remove in class AbstractList

offer

public boolean offer(Object o)

poll

public Object poll()

remove

public Object remove()

peek

public Object peek()

element

public Object element()