org.globus.wsrf.impl
Class SimpleTopicList

java.lang.Object
  org.globus.wsrf.impl.SimpleTopicList

All Implemented Interfaces:

TopicList, TopicListener, TopicListenerList

public class SimpleTopicList

extends java.lang.Object

implements TopicList, TopicListener

Simplistic in memory topic list.

Field Summary

private ResourceProperty	fixedTopicSet
protected java.util.Collection	listeners
(package private) static org.apache.commons.logging.Log	logger
private TopicListMetaData	metaData
protected java.util.Map	rootTopics
private ResourceProperty	supportedTopics
private static TopicExpressionEngine	topicExpressionEngine

Constructor Summary

SimpleTopicList(ResourceProperties resource)
This constructor will add the resource properties associated with the notification producer porttype to the supplied resource object

SimpleTopicList(ResourceProperties resource, TopicListMetaData metaData)
This constructor will add the resource properties associated with the notification producer porttype to the supplied resource object

Method Summary

void	addTopic(Topic topic) Add a root topic
void	addTopicListener(TopicListener listener) Add a topic listener
Topic	getTopic(java.util.List topicPath) Get the topic for the given topic path.
TopicListMetaData	getTopicListMetaData() Returns meta data associated with this topic list.
java.util.Collection	getTopics(TopicExpressionType topicExpression) Get the set of topics the given topic expression resolves to
void	removeTopic(Topic topic) Remove the root topic
void	removeTopicListener(TopicListener listener) Remove a topic listener
void	topicAdded(Topic topic) Called when a topic is added
void	topicChanged(Topic topic) Called when the value of the topic changes
java.util.Iterator	topicIterator() Iterator for the set of root topics
java.util.Iterator	topicListenerIterator() Get a iterator for the list of TopicListeners.
void	topicRemoved(Topic topic) Called when a topic is removed

Methods inherited from class java.lang.Object

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

Field Detail

rootTopics

protected java.util.Map rootTopics

listeners

protected java.util.Collection listeners

supportedTopics

private ResourceProperty supportedTopics

fixedTopicSet

private ResourceProperty fixedTopicSet

topicExpressionEngine

private static TopicExpressionEngine topicExpressionEngine

metaData

private TopicListMetaData metaData

logger

static org.apache.commons.logging.Log logger

Constructor Detail

SimpleTopicList

public SimpleTopicList(ResourceProperties resource)

This constructor will add the resource properties associated with the notification producer porttype to the supplied resource object

Parameters:

resource - Resource object, must implement the ResourceProperties interface

SimpleTopicList

public SimpleTopicList(ResourceProperties resource,
                       TopicListMetaData metaData)

This constructor will add the resource properties associated with the notification producer porttype to the supplied resource object

Parameters:

resource - Resource object, must implement the ResourceProperties interface

Method Detail

addTopic

public void addTopic(Topic topic)

Description copied from interface: TopicList

Add a root topic

Specified by:

addTopic in interface TopicList

Parameters:

topic - The topic to add

addTopicListener

public void addTopicListener(TopicListener listener)

Description copied from interface: TopicListenerList

Add a topic listener

Specified by:

addTopicListener in interface TopicListenerList

Parameters:

listener - The topic listener to add

See Also:

TopicListener

getTopics

public java.util.Collection getTopics(TopicExpressionType topicExpression)
                               throws UnsupportedTopicExpressionDialectException,
                                      TopicExpressionResolutionException,
                                      InvalidTopicExpressionException,
                                      TopicExpressionException

Description copied from interface: TopicList

Get the set of topics the given topic expression resolves to

Specified by:

getTopics in interface TopicList

Parameters:

topicExpression - The topic expression to resolve to a set of topics

Returns:

The resulting set of topics

Throws:

TopicExpressionException - if any other error occurs

InvalidTopicExpressionException - if the topic expression is invalid

UnsupportedTopicExpressionDialectException - if the topic expression dialect is not supported

TopicExpressionResolutionException - if the expression could not be evaluated

removeTopic

public void removeTopic(Topic topic)

Description copied from interface: TopicList

Remove the root topic

Specified by:

removeTopic in interface TopicList

Parameters:

topic - The topic to remove

removeTopicListener

public void removeTopicListener(TopicListener listener)

Description copied from interface: TopicListenerList

Remove a topic listener

Specified by:

removeTopicListener in interface TopicListenerList

Parameters:

listener - The topic listener to remove.

See Also:

TopicListener

topicListenerIterator

public java.util.Iterator topicListenerIterator()

Description copied from interface: TopicListenerList

Get a iterator for the list of TopicListeners.
The function should be called in and iteration performed in a synchronized block on the TopicListenerList instance.

Specified by:

topicListenerIterator in interface TopicListenerList

Returns:

The iterator

See Also:

TopicListener

getTopic

public Topic getTopic(java.util.List topicPath)

Description copied from interface: TopicList

Get the topic for the given topic path.

Specified by:

getTopic in interface TopicList

Parameters:

topicPath - The topic path (list of topic names)

Returns:

The topic corresponding to the given topic path

getTopicListMetaData

public TopicListMetaData getTopicListMetaData()

Description copied from interface: TopicList

Returns meta data associated with this topic list.

Specified by:

getTopicListMetaData in interface TopicList

Returns:

meta data of this topic list.

topicIterator

public java.util.Iterator topicIterator()

Description copied from interface: TopicList

Iterator for the set of root topics

Specified by:

topicIterator in interface TopicList

Returns:

The iterator

topicAdded

public void topicAdded(Topic topic)

Description copied from interface: TopicListener

Called when a topic is added

Specified by:

topicAdded in interface TopicListener

Parameters:

topic - The topic being added

topicChanged

public void topicChanged(Topic topic)

Description copied from interface: TopicListener

Called when the value of the topic changes

Specified by:

topicChanged in interface TopicListener

Parameters:

topic - The topic that changed

topicRemoved

public void topicRemoved(Topic topic)

Description copied from interface: TopicListener

Called when a topic is removed

Specified by:

topicRemoved in interface TopicListener

Parameters:

topic - The topic being removed