io.cdap.delta.app

Class CapacityBoundedEventQueue

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractQueue<E>

java.util.concurrent.ArrayBlockingQueue<Sequenced<? extends ChangeEvent>>

io.cdap.delta.app.CapacityBoundedEventQueue

All Implemented Interfaces:

Serializable, Iterable<Sequenced<? extends ChangeEvent>>, Collection<Sequenced<? extends ChangeEvent>>, BlockingQueue<Sequenced<? extends ChangeEvent>>, Queue<Sequenced<? extends ChangeEvent>>

public class CapacityBoundedEventQueue
extends ArrayBlockingQueue<Sequenced<? extends ChangeEvent>>

A capacity bounded event queue. It will block if the capacity of the events in the queue reaches certain limit. When calculating the capacity of an event only the size of the row and previous row in DML event are calculated. Because other fields are fixed size and could be limited by queue size (the number of event in the queue)

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CapacityBoundedEventQueue(int queueSize, long capacity)

Method Summary

Modifier and Type	Method and Description
boolean	offer(Sequenced<? extends ChangeEvent> event)
boolean	offer(Sequenced<? extends ChangeEvent> event, long timeout, TimeUnit unit)
Sequenced<? extends ChangeEvent>	poll()
Sequenced<? extends ChangeEvent>	poll(long timeout, TimeUnit unit)
void	put(Sequenced<? extends ChangeEvent> event)
Sequenced<? extends ChangeEvent>	take()

Methods inherited from class java.util.concurrent.ArrayBlockingQueue

add, clear, contains, drainTo, drainTo, iterator, peek, remainingCapacity, remove, size, spliterator, toArray, toArray, toString

Methods inherited from class java.util.AbstractQueue

addAll, element, remove

Methods inherited from class java.util.AbstractCollection

containsAll, isEmpty, removeAll, retainAll

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Queue

element, remove

Methods inherited from interface java.util.Collection

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

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

CapacityBoundedEventQueue

public CapacityBoundedEventQueue(int queueSize,
                                 long capacity)

Method Detail

put

public void put(Sequenced<? extends ChangeEvent> event)
         throws InterruptedException

Specified by:

put in interface BlockingQueue<Sequenced<? extends ChangeEvent>>

Overrides:

put in class ArrayBlockingQueue<Sequenced<? extends ChangeEvent>>

Throws:

InterruptedException

offer

public boolean offer(Sequenced<? extends ChangeEvent> event)

Specified by:

offer in interface BlockingQueue<Sequenced<? extends ChangeEvent>>

Specified by:

offer in interface Queue<Sequenced<? extends ChangeEvent>>

Overrides:

offer in class ArrayBlockingQueue<Sequenced<? extends ChangeEvent>>

offer

public boolean offer(Sequenced<? extends ChangeEvent> event,
                     long timeout,
                     TimeUnit unit)
              throws InterruptedException

Specified by:

offer in interface BlockingQueue<Sequenced<? extends ChangeEvent>>

Overrides:

offer in class ArrayBlockingQueue<Sequenced<? extends ChangeEvent>>

Throws:

InterruptedException

poll

public Sequenced<? extends ChangeEvent> poll()

Specified by:

poll in interface Queue<Sequenced<? extends ChangeEvent>>

Overrides:

poll in class ArrayBlockingQueue<Sequenced<? extends ChangeEvent>>

take

public Sequenced<? extends ChangeEvent> take()
                                      throws InterruptedException

Specified by:

take in interface BlockingQueue<Sequenced<? extends ChangeEvent>>

Overrides:

take in class ArrayBlockingQueue<Sequenced<? extends ChangeEvent>>

Throws:

InterruptedException

poll

public Sequenced<? extends ChangeEvent> poll(long timeout,
                                             TimeUnit unit)
                                      throws InterruptedException

Specified by:

poll in interface BlockingQueue<Sequenced<? extends ChangeEvent>>

Overrides:

poll in class ArrayBlockingQueue<Sequenced<? extends ChangeEvent>>

Throws:

InterruptedException