Package org.apache.hadoop.hbase.util

Class ConstantDelayQueue<E>

java.lang.Object

org.apache.hadoop.hbase.util.ConstantDelayQueue<E>

Type Parameters:

E - type of elements

All Implemented Interfaces:

Iterable<E>, Collection<E>, BlockingQueue<E>, Queue<E>

@Private
public class ConstantDelayQueue<E>
extends Object
implements BlockingQueue<E>

A blocking queue implementation for adding a constant delay. Uses a DelayQueue as a backing store

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	ConstantDelayQueue.DelayedElement<T>

Field Summary

Fields

Modifier and Type	Field	Description
private final long	delayMs
private DelayQueue<ConstantDelayQueue.DelayedElement<E>>	queue

Constructor Summary

Constructors

Constructor	Description
ConstantDelayQueue(TimeUnit timeUnit, long delay)

Method Summary

Modifier and Type	Method	Description
boolean	add(E e)
boolean	addAll(Collection<? extends E> c)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
int	drainTo(Collection<? super E> c)
int	drainTo(Collection<? super E> c, int maxElements)
E	element()
boolean	isEmpty()
Iterator<E>	iterator()
boolean	offer(E e)
boolean	offer(E e, long timeout, TimeUnit unit)
E	peek()
E	poll()
E	poll(long timeout, TimeUnit unit)
void	put(E e)
int	remainingCapacity()
E	remove()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
E	take()
Object[]	toArray()
<T> T[]	toArray(T[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Field Details

delayMs

private final long delayMs

queue

private DelayQueue<ConstantDelayQueue.DelayedElement<E>> queue

Constructor Details

ConstantDelayQueue

public ConstantDelayQueue(TimeUnit timeUnit,
 long delay)

Method Details

remove

public E remove()

Specified by:

remove in interface Queue<E>

poll

public E poll()

Specified by:

poll in interface Queue<E>

element

public E element()

Specified by:

element in interface Queue<E>

peek

public E peek()

Specified by:

peek in interface Queue<E>

size

public int size()

Specified by:

size in interface Collection<E>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<E>

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface Iterable<E>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<E>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<E>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<E>

addAll

public boolean addAll(Collection<? extends E> c)

Specified by:

addAll in interface Collection<E>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<E>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<E>

clear

public void clear()

Specified by:

clear in interface Collection<E>

add

public boolean add(E e)

Specified by:

add in interface BlockingQueue<E>

Specified by:

add in interface Collection<E>

Specified by:

add in interface Queue<E>

offer

public boolean offer(E e)

Specified by:

offer in interface BlockingQueue<E>

Specified by:

offer in interface Queue<E>

put

public void put(E e)
         throws InterruptedException

Specified by:

put in interface BlockingQueue<E>

Throws:

InterruptedException

offer

public boolean offer(E e,
 long timeout,
 TimeUnit unit)
              throws InterruptedException

Specified by:

offer in interface BlockingQueue<E>

Throws:

InterruptedException

take

public E take()
       throws InterruptedException

Specified by:

take in interface BlockingQueue<E>

Throws:

InterruptedException

poll

public E poll(long timeout,
 TimeUnit unit)
       throws InterruptedException

Specified by:

poll in interface BlockingQueue<E>

Throws:

InterruptedException

remainingCapacity

public int remainingCapacity()

Specified by:

remainingCapacity in interface BlockingQueue<E>

remove

public boolean remove(Object o)

Specified by:

remove in interface BlockingQueue<E>

Specified by:

remove in interface Collection<E>

contains

public boolean contains(Object o)

Specified by:

contains in interface BlockingQueue<E>

Specified by:

contains in interface Collection<E>

drainTo

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

Specified by:

drainTo in interface BlockingQueue<E>

drainTo

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

Specified by:

drainTo in interface BlockingQueue<E>