net.ontopia.topicmaps.utils.tmrap
Class FederatedTopicIndex

java.lang.Object
  net.ontopia.topicmaps.utils.tmrap.FederatedTopicIndex

All Implemented Interfaces:

IndexIF, TopicIndexIF

public class FederatedTopicIndex
extends Object
implements TopicIndexIF

EXPERIMENTAL: An implementation that looks up topics in all the given TopicIndexIFs and returns them.

Field Summary

protected List<TopicIndexIF>

indexes

Constructor Summary

FederatedTopicIndex(List<TopicIndexIF> indexes)

Method Summary

void	close() Lets go of any underlying resources used by the index.
Collection<TopicPage>	getTopicPages(Collection<LocatorIF> indicators, Collection<LocatorIF> sources, Collection<LocatorIF> subjects) Returns all known topic pages for the topics whose identity matches one of the locators passed as arguments.
TopicPages	getTopicPages2(Collection<LocatorIF> indicators, Collection<LocatorIF> sources, Collection<LocatorIF> subjects) Returns all known topic pages for the topics whose identity matches one of the locators passed as arguments.
Collection<TopicIF>	getTopics(Collection<LocatorIF> indicators, Collection<LocatorIF> sources, Collection<LocatorIF> subjects) Returns all topics the index knows about whose identity matches one the of the locators passed as arguments.
Collection<TopicIF>	loadRelatedTopics(Collection<LocatorIF> indicators, Collection<LocatorIF> sources, Collection<LocatorIF> subjects, boolean two_step)

Methods inherited from class java.lang.Object

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

Field Detail

indexes

protected List<TopicIndexIF> indexes

Constructor Detail

FederatedTopicIndex

public FederatedTopicIndex(List<TopicIndexIF> indexes)

Method Detail

getTopics

public Collection<TopicIF> getTopics(Collection<LocatorIF> indicators,
                                     Collection<LocatorIF> sources,
                                     Collection<LocatorIF> subjects)

Description copied from interface: TopicIndexIF

Returns all topics the index knows about whose identity matches one the of the locators passed as arguments.

Specified by:

getTopics in interface TopicIndexIF

Parameters:

indicators - A collection of subject identifiers as LocatorIF objects.

sources - A collection of source locators as LocatorIF objects.

subjects - A colleciton of subject locators as LocatorIF objects.

Returns:

Collection of TopicIF

loadRelatedTopics

public Collection<TopicIF> loadRelatedTopics(Collection<LocatorIF> indicators,
                                             Collection<LocatorIF> sources,
                                             Collection<LocatorIF> subjects,
                                             boolean two_step)

Specified by:

loadRelatedTopics in interface TopicIndexIF

getTopicPages

public Collection<TopicPage> getTopicPages(Collection<LocatorIF> indicators,
                                           Collection<LocatorIF> sources,
                                           Collection<LocatorIF> subjects)

Description copied from interface: TopicIndexIF

Returns all known topic pages for the topics whose identity matches one of the locators passed as arguments.

Specified by:

getTopicPages in interface TopicIndexIF

Parameters:

indicators - A collection of subject identifiers as LocatorIF objects.

sources - A collection of source locators as LocatorIF objects.

subjects - A colleciton of subject locators as LocatorIF objects.

Returns:

Collection of TopicPage

getTopicPages2

public TopicPages getTopicPages2(Collection<LocatorIF> indicators,
                                 Collection<LocatorIF> sources,
                                 Collection<LocatorIF> subjects)

Description copied from interface: TopicIndexIF

Returns all known topic pages for the topics whose identity matches one of the locators passed as arguments.

Specified by:

getTopicPages2 in interface TopicIndexIF

Parameters:

indicators - A collection of subject identifiers as LocatorIF objects.

sources - A collection of source locators as LocatorIF objects.

subjects - A colleciton of subject locators as LocatorIF objects.

Returns:

Collection of TopicPage

close

public void close()

Description copied from interface: TopicIndexIF

Lets go of any underlying resources used by the index. Must be called when used with the RDBMS backend.

Specified by:

close in interface TopicIndexIF