org.apache.felix.eventadmin.impl.handler
Class CacheTopicHandlerFilters

java.lang.Object
  org.apache.felix.eventadmin.impl.handler.CacheTopicHandlerFilters

All Implemented Interfaces:

TopicHandlerFilters

public class CacheTopicHandlerFilters
extends java.lang.Object
implements TopicHandlerFilters

The factory for EventHandler filters based on a certain topic. This implementation uses a cache to speed-up filter creation.

Author:

Felix Project Team

Constructor Summary

CacheTopicHandlerFilters(CacheMap cache, boolean requireTopic)
The constructor of the filter factory.

Method Summary

java.lang.String

createFilterForTopic(java.lang.String topic) Create a filter that will match all EventHandler services that match the given topic.

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheTopicHandlerFilters

public CacheTopicHandlerFilters(CacheMap cache,
                                boolean requireTopic)

The constructor of the filter factory.

Parameters:

cache - The cache to use in order to speed-up filter creation.

requireTopic - Include handlers that do not provide a topic

Method Detail

createFilterForTopic

public java.lang.String createFilterForTopic(java.lang.String topic)

Create a filter that will match all EventHandler services that match the given topic.

Specified by:

createFilterForTopic in interface TopicHandlerFilters

Parameters:

topic - The topic to match

Returns:

A filter that will match all EventHandler services for the given topic.

See Also:

TopicHandlerFilters.createFilterForTopic(java.lang.String)