org.apache.mina.util
Class Queue

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

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable, java.util.Collection, java.util.List

Direct Known Subclasses:

BlockingQueue

public class Queue
extends java.util.AbstractList
implements java.util.List, java.io.Serializable

A unbounded circular queue.

Version:

$Rev: 326586 $, $Date: 2005-10-19 17:50:29 +0200 (Wed, 19 Oct 2005) $

Author:

The Apache Directory Project (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, java.lang.Object o)
boolean	add(java.lang.Object o)
int	capacity() Returns the capacity of this queue.
void	clear() Clears this queue.
java.lang.Object	element()
java.lang.Object	first() Returns the first element of the queue.
java.lang.Object	get(int idx)
boolean	isEmpty() Returns true if the queue is empty.
java.lang.Object	last() Returns the last element of the queue.
boolean	offer(java.lang.Object o)
java.lang.Object	peek()
java.lang.Object	poll()
java.lang.Object	pop() Dequeues from this queue.
void	push(java.lang.Object obj) Enqueue into this queue.
java.lang.Object	remove()
java.lang.Object	remove(int idx)
java.lang.Object	set(int idx, java.lang.Object o)
int	size() Returns the number of elements in the queue.
java.lang.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 java.util.Collection

Specified by:

clear in interface java.util.List

Overrides:

clear in class java.util.AbstractList

pop

public java.lang.Object pop()

Dequeues from this queue.

Returns:

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

push

public void push(java.lang.Object obj)

Enqueue into this queue.

first

public java.lang.Object first()

Returns the first element of the queue.

Returns:

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

last

public java.lang.Object last()

Returns the last element of the queue.

Returns:

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

get

public java.lang.Object get(int idx)

Specified by:

get in interface java.util.List

Specified by:

get in class java.util.AbstractList

isEmpty

public boolean isEmpty()

Returns true if the queue is empty.

Specified by:

isEmpty in interface java.util.Collection

Specified by:

isEmpty in interface java.util.List

Overrides:

isEmpty in class java.util.AbstractCollection

size

public int size()

Returns the number of elements in the queue.

Specified by:

size in interface java.util.Collection

Specified by:

size in interface java.util.List

Specified by:

size in class java.util.AbstractCollection

toString

public java.lang.String toString()

Overrides:

toString in class java.util.AbstractCollection

add

public boolean add(java.lang.Object o)

Specified by:

add in interface java.util.Collection

Specified by:

add in interface java.util.List

Overrides:

add in class java.util.AbstractList

set

public java.lang.Object set(int idx,
                            java.lang.Object o)

Specified by:

set in interface java.util.List

Overrides:

set in class java.util.AbstractList

add

public void add(int idx,
                java.lang.Object o)

Specified by:

add in interface java.util.List

Overrides:

add in class java.util.AbstractList

remove

public java.lang.Object remove(int idx)

Specified by:

remove in interface java.util.List

Overrides:

remove in class java.util.AbstractList

offer

public boolean offer(java.lang.Object o)

poll

public java.lang.Object poll()

remove

public java.lang.Object remove()

peek

public java.lang.Object peek()

element

public java.lang.Object element()