org.apache.mina.util

Class ExpiringStack

java.lang.Object

org.apache.mina.util.ExpiringStack

All Implemented Interfaces:

Serializable

public class ExpiringStack
extends Object
implements Serializable

A unbounded stack with expiration.

Version:

$Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (Fri, 13 Jul 2007) $

Author:

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

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ExpiringStack() Construct a new, empty stack.

Method Summary

Modifier and Type	Method and Description
void	clear() Clears this stack.
void	expireBefore(long time)
Object	first() Returns the first element of the stack.
boolean	isEmpty() Returns true if the stack is empty.
Object	last()
Object	pop() Pops from this stack.
void	push(Object obj) Push into this stack.
void	remove(Object o)
int	size() Returns the number of elements in the stack.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpiringStack

public ExpiringStack()

Construct a new, empty stack.

Method Detail

clear

public void clear()

Clears this stack.

pop

public Object pop()

Pops from this stack.

Returns:

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

push

public void push(Object obj)

Push into this stack.

remove

public void remove(Object o)

expireBefore

public void expireBefore(long time)

first

public Object first()

Returns the first element of the stack.

Returns:

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

last

public Object last()

isEmpty

public boolean isEmpty()

Returns true if the stack is empty.

size

public int size()

Returns the number of elements in the stack.