org.apache.dubbo.common.concurrent

Class DiscardOldestPolicy<E>

java.lang.Object

org.apache.dubbo.common.concurrent.DiscardOldestPolicy<E>

All Implemented Interfaces:

Rejector<E>

public class DiscardOldestPolicy<E>
extends Object
implements Rejector<E>

A handler for rejected element that discards the oldest element.

Constructor Summary

Constructors

Constructor and Description
DiscardOldestPolicy()

Method Summary

Modifier and Type	Method and Description
void	reject(E e, Queue<E> queue) Method that may be invoked by a Queue when Queue has remained memory return true.

Methods inherited from class java.lang.Object

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

Constructor Detail

DiscardOldestPolicy

public DiscardOldestPolicy()

Method Detail

reject

public void reject(E e,
                   Queue<E> queue)

Description copied from interface: Rejector

Method that may be invoked by a Queue when Queue has remained memory return true. This may occur when no more memory are available because their bounds would be exceeded.

In the absence of other alternatives, the method may throw an unchecked RejectException, which will be propagated to the caller.

Specified by:

reject in interface Rejector<E>

Parameters:

e - the element requested to be added

queue - the queue attempting to add this element