org.apache.bookkeeper.common.collections

Class GrowableMpScArrayConsumerBlockingQueue<T>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractQueue<T>

org.apache.bookkeeper.common.collections.GrowableMpScArrayConsumerBlockingQueue<T>

All Implemented Interfaces:

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

public class GrowableMpScArrayConsumerBlockingQueue<T>
extends java.util.AbstractQueue<T>
implements java.util.concurrent.BlockingQueue<T>

This implements a BlockingQueue backed by an array with no fixed capacity.

When the capacity is reached, data will be moved to a bigger array.

This queue only allows 1 consumer thread to dequeue items and multiple producer threads.

Constructor Summary

Constructors

Constructor and Description
GrowableMpScArrayConsumerBlockingQueue()
GrowableMpScArrayConsumerBlockingQueue(int initialCapacity)

Method Summary

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

Methods inherited from class java.util.AbstractQueue

addAll

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

contains, remove

Methods inherited from interface java.util.Collection

addAll, containsAll, equals, hashCode, isEmpty, parallelStream, removeAll, removeIf, retainAll, spliterator, stream, toArray, toArray

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

GrowableMpScArrayConsumerBlockingQueue

public GrowableMpScArrayConsumerBlockingQueue()

GrowableMpScArrayConsumerBlockingQueue

public GrowableMpScArrayConsumerBlockingQueue(int initialCapacity)

Method Detail

remove

public T remove()

Specified by:

remove in interface java.util.Queue<T>

Overrides:

remove in class java.util.AbstractQueue<T>

poll

public T poll()

Specified by:

poll in interface java.util.Queue<T>

element

public T element()

Specified by:

element in interface java.util.Queue<T>

Overrides:

element in class java.util.AbstractQueue<T>

peek

public T peek()

Specified by:

peek in interface java.util.Queue<T>

offer

public boolean offer(T e)

Specified by:

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

Specified by:

offer in interface java.util.Queue<T>

put

public void put(T e)

Specified by:

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

add

public boolean add(T e)

Specified by:

add in interface java.util.Collection<T>

Specified by:

add in interface java.util.concurrent.BlockingQueue<T>

Specified by:

add in interface java.util.Queue<T>

Overrides:

add in class java.util.AbstractQueue<T>

offer

public boolean offer(T e,
                     long timeout,
                     java.util.concurrent.TimeUnit unit)

Specified by:

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

take

public T take()
       throws java.lang.InterruptedException

Specified by:

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

Throws:

java.lang.InterruptedException

poll

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

Specified by:

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

Throws:

java.lang.InterruptedException

remainingCapacity

public int remainingCapacity()

Specified by:

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

drainTo

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

Specified by:

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

drainTo

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

Specified by:

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

clear

public void clear()

Specified by:

clear in interface java.util.Collection<T>

Overrides:

clear in class java.util.AbstractQueue<T>

size

public int size()

Specified by:

size in interface java.util.Collection<T>

Specified by:

size in class java.util.AbstractCollection<T>

iterator

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

Specified by:

iterator in interface java.lang.Iterable<T>

Specified by:

iterator in interface java.util.Collection<T>

Specified by:

iterator in class java.util.AbstractCollection<T>

toString

public java.lang.String toString()

Overrides:

toString in class java.util.AbstractCollection<T>