Queue (Apache Tomcat 6.0.53 API Documentation)

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org.apache.catalina.util
Class Queue

java.lang.Object
  org.apache.catalina.util.Queue

public class Queue
extends java.lang.Object
extends java.lang.Object

A simple FIFO queue class which causes the calling thread to wait if the queue is empty and notifies threads that are waiting when it is not empty.

Author:: Anil V (akv@eng.sun.com)

Constructor Summary
`Queue()`

Method Summary
`java.lang.Object`	`get()` Get the first object out of the queue.
`boolean`	`isEmpty()` Is the queue empty?
`java.lang.Object`	`peek()` Peek to see if something is available.
`java.lang.Object`	`pull()` Pull the first object out of the queue.
`void`	`put(java.lang.Object object)` Put the object into the queue.
`int`	`size()` How many elements are there in this queue?

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

Constructor Detail

Queue

public Queue()

Method Detail

put

public void put(java.lang.Object object)

Put the object into the queue.

Parameters:: object - the object to be appended to the queue.

pull

public java.lang.Object pull()

Pull the first object out of the queue. Wait if the queue is empty.

get

public java.lang.Object get()

Get the first object out of the queue. Return null if the queue is empty.

peek

public java.lang.Object peek()

Peek to see if something is available.

isEmpty

public boolean isEmpty()

Is the queue empty?

size

public int size()

How many elements are there in this queue?