org.apache.excalibur.event.impl

Class ThresholdEnqueuePredicate

java.lang.Object

org.apache.excalibur.event.impl.ThresholdEnqueuePredicate

All Implemented Interfaces:

org.apache.excalibur.event.EnqueuePredicate

public final class ThresholdEnqueuePredicate
extends java.lang.Object
implements org.apache.excalibur.event.EnqueuePredicate

The ThresholdEnqueuePredicate limits the elements that can be enqueued based on the size of the Queue.

Author:

Avalon Development Team

Field Summary

Fields

Modifier and Type	Field and Description
private int	m_threshold

Constructor Summary

Constructors

Constructor and Description
ThresholdEnqueuePredicate(int limit) Create a new ThresholdEnqueuePredicate with the supplied limit.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accept(java.lang.Object[] elements, org.apache.excalibur.event.Sink modifyingSink) Returns true if the Sink size + the number of elements is less than the threshold.
boolean	accept(java.lang.Object element, org.apache.excalibur.event.Sink modifyingSink) Returns true if the Sink size + 1 (the element) is less than the threshold.

Methods inherited from class java.lang.Object

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

Field Detail

m_threshold

private final int m_threshold

Constructor Detail

ThresholdEnqueuePredicate

public ThresholdEnqueuePredicate(int limit)

Create a new ThresholdEnqueuePredicate with the supplied limit.

Parameters:

limit - A number greater than zero

Method Detail

accept

public boolean accept(java.lang.Object element,
             org.apache.excalibur.event.Sink modifyingSink)

Returns true if the Sink size + 1 (the element) is less than the threshold.

Specified by:

accept in interface org.apache.excalibur.event.EnqueuePredicate

accept

public boolean accept(java.lang.Object[] elements,
             org.apache.excalibur.event.Sink modifyingSink)

Returns true if the Sink size + the number of elements is less than the threshold.

Specified by:

accept in interface org.apache.excalibur.event.EnqueuePredicate