org.jwarp.util
Class Queue

java.lang.Object
  |
  +--java.util.AbstractCollection
        |
        +--java.util.AbstractList
              |
              +--java.util.AbstractSequentialList
                    |
                    +--java.util.LinkedList
                          |
                          +--org.jwarp.util.Queue

All Implemented Interfaces:

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

Direct Known Subclasses:

WorkQueue

public class Queue

extends java.util.LinkedList

Implements an object queue based on a linked list.

Author:

Anatole Tresch

See Also:

Serialized Form

Field Summary

protected java.util.LinkedList

queue The underlying list

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Queue()
Creates a new queue

Method Summary

boolean	isEmpty()
java.lang.Object	pop() Get the next object or null if the queue ie empty
void	push(java.lang.Object object) Put a new object in the queue.

Methods inherited from class java.util.LinkedList

add, add, addAll, addAll, addFirst, addLast, clear, clone, contains, get, getFirst, getLast, indexOf, lastIndexOf, listIterator, remove, remove, removeFirst, removeLast, set, size, toArray, toArray

Methods inherited from class java.util.AbstractSequentialList

iterator

Methods inherited from class java.util.AbstractList

equals, hashCode, listIterator, removeRange, subList

Methods inherited from class java.util.AbstractCollection

containsAll, removeAll, retainAll, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.List

containsAll, equals, hashCode, iterator, listIterator, removeAll, retainAll, subList

Field Detail

queue

protected java.util.LinkedList queue

The underlying list

Constructor Detail

Queue

public Queue()

Creates a new queue

Method Detail

push

public void push(java.lang.Object object)

Put a new object in the queue.

Parameters:

object - The new object

pop

public java.lang.Object pop()

Get the next object or null if the queue ie empty

Returns:

The nest object or null

isEmpty

public boolean isEmpty()

Overrides:

isEmpty in class java.util.AbstractCollection

Returns:

true if the queue is empty