kieker.monitoring.queue

Class BlockingQueueDecorator<E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractQueue<E>

kieker.monitoring.queue.BlockingQueueDecorator<E>

Type Parameters:

E - the type of the elements in the given queue

All Implemented Interfaces:

java.lang.Iterable<E>, java.util.Collection<E>, java.util.concurrent.BlockingQueue<E>, java.util.Queue<E>

public class BlockingQueueDecorator<E>
extends java.util.AbstractQueue<E>
implements java.util.concurrent.BlockingQueue<E>

A wrapper to provide a given queue a strategy to put and to take possibly in blocking mode.

Since:

1.13

Author:

Christian Wulf

Constructor Summary

Constructors

Constructor and Description
BlockingQueueDecorator(java.util.Queue<E> q, PutStrategy putStrategy, TakeStrategy takeStrategy)

Method Summary

Methods

Modifier and Type	Method and Description
int	drainTo(java.util.Collection<? super E> c)
int	drainTo(java.util.Collection<? super E> c, int maxElements)
java.util.Iterator<E>	iterator()
boolean	offer(E e)
boolean	offer(E e, long timeout, java.util.concurrent.TimeUnit unit)
E	peek()
E	poll()
E	poll(long timeout, java.util.concurrent.TimeUnit unit)
void	put(E e)
int	remainingCapacity()
int	size()
E	take()
java.lang.String	toString()

Methods inherited from class java.util.AbstractQueue

add, addAll, clear, element, remove

Methods inherited from class java.util.AbstractCollection

contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.BlockingQueue

add, contains, remove

Methods inherited from interface java.util.Queue

element, remove

Methods inherited from interface java.util.Collection

addAll, clear, containsAll, equals, hashCode, isEmpty, removeAll, retainAll, toArray, toArray

Constructor Detail

BlockingQueueDecorator

public BlockingQueueDecorator(java.util.Queue<E> q,
                      PutStrategy putStrategy,
                      TakeStrategy takeStrategy)

Method Detail

put

public void put(E e)
         throws java.lang.InterruptedException

Specified by:

put in interface java.util.concurrent.BlockingQueue<E>

Throws:

java.lang.InterruptedException

offer

public boolean offer(E e)

Specified by:

offer in interface java.util.concurrent.BlockingQueue<E>

Specified by:

offer in interface java.util.Queue<E>

take

public E take()
       throws java.lang.InterruptedException

Specified by:

take in interface java.util.concurrent.BlockingQueue<E>

Throws:

java.lang.InterruptedException

poll

public E poll()

Specified by:

poll in interface java.util.Queue<E>

offer

public boolean offer(E e,
            long timeout,
            java.util.concurrent.TimeUnit unit)
              throws java.lang.InterruptedException

Specified by:

offer in interface java.util.concurrent.BlockingQueue<E>

Throws:

java.lang.InterruptedException

poll

public E poll(long timeout,
     java.util.concurrent.TimeUnit unit)
       throws java.lang.InterruptedException

Specified by:

poll in interface java.util.concurrent.BlockingQueue<E>

Throws:

java.lang.InterruptedException

remainingCapacity

public int remainingCapacity()

Specified by:

remainingCapacity in interface java.util.concurrent.BlockingQueue<E>

drainTo

public int drainTo(java.util.Collection<? super E> c)

Specified by:

drainTo in interface java.util.concurrent.BlockingQueue<E>

drainTo

public int drainTo(java.util.Collection<? super E> c,
          int maxElements)

Specified by:

drainTo in interface java.util.concurrent.BlockingQueue<E>

peek

public E peek()

Specified by:

peek in interface java.util.Queue<E>

iterator

public java.util.Iterator<E> iterator()

Specified by:

iterator in interface java.lang.Iterable<E>

Specified by:

iterator in interface java.util.Collection<E>

Specified by:

iterator in class java.util.AbstractCollection<E>

size

public int size()

Specified by:

size in interface java.util.Collection<E>

Specified by:

size in class java.util.AbstractCollection<E>

toString

public java.lang.String toString()

Overrides:

toString in class java.util.AbstractCollection<E>