de.deepamehta.plugins.facets
Class FacetsPlugin

Show UML class diagram

java.lang.Object
  de.deepamehta.core.osgi.PluginActivator
      de.deepamehta.plugins.facets.FacetsPlugin

All Implemented Interfaces:

PluginContext, PluginService, FacetsService, BundleActivator

public class FacetsPlugin
extends PluginActivator
implements FacetsService

Field Summary

private Logger

logger

Fields inherited from class de.deepamehta.core.osgi.PluginActivator

bundle, dms

Constructor Summary

FacetsPlugin()

Method Summary

void	addFacetTypeToTopic(long topicId, String facetTypeUri)
private RelatedTopic	fetchChildTopic(DeepaMehtaObject object, AssociationDefinition assocDef, boolean fetchComposite) Fetches and returns a child topic or null if no such topic extists.
private List<RelatedTopic>	fetchChildTopics(DeepaMehtaObject object, AssociationDefinition assocDef, boolean fetchComposite) Fetches and returns child topics.
private AssociationDefinition	getAssocDef(String facetTypeUri)
private String	getChildTypeUri(String facetTypeUri)
Topic	getFacet(DeepaMehtaObject object, String facetTypeUri) Retrieves a facet value.
Topic	getFacet(long topicId, String facetTypeUri)
List<RelatedTopic>	getFacets(DeepaMehtaObject object, String facetTypeUri) Retrieves the values of a multi-facet.
List<RelatedTopic>	getFacets(long topicId, String facetTypeUri)
Topic	getFacettedTopic(long topicId, List<String> facetTypeUris)
boolean	hasFacet(long topicId, String facetTypeUri, long facetTopicId)
private boolean	isMultiFacet(String facetTypeUri)
void	updateFacet(DeepaMehtaObject object, String facetTypeUri, FacetValue value, ClientState clientState, Directives directives) Updates a facet.
void	updateFacet(long topicId, String facetTypeUri, FacetValue value, ClientState clientState)

Methods inherited from class de.deepamehta.core.osgi.PluginActivator

getBundleContext, getUri, init, postInstall, publishDirectory, serviceArrived, serviceGone, setCoreService, shutdown, start, stop, toString

Methods inherited from class java.lang.Object

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

Field Detail

logger

private Logger logger

Constructor Detail

FacetsPlugin

public FacetsPlugin()

Method Detail

getFacet

public Topic getFacet(long topicId,
                      String facetTypeUri)

Specified by:

getFacet in interface FacetsService

getFacet

public Topic getFacet(DeepaMehtaObject object,
                      String facetTypeUri)

Description copied from interface: FacetsService

Retrieves a facet value. ### TODO: rename to getFacetValue

Specified by:

getFacet in interface FacetsService

Parameters:

object - The facetted object: a topic, association, a type ...

facetTypeUri - URI of the facet type.

Returns:

The retrieved facet value or null if no such topic extists.

getFacets

public List<RelatedTopic> getFacets(long topicId,
                                    String facetTypeUri)

Specified by:

getFacets in interface FacetsService

getFacets

public List<RelatedTopic> getFacets(DeepaMehtaObject object,
                                    String facetTypeUri)

Description copied from interface: FacetsService

Retrieves the values of a multi-facet. ### TODO: rename to getFacetValues

Specified by:

getFacets in interface FacetsService

Parameters:

object - The facetted object: a topic, association, a type ...

facetTypeUri - URI of the facet type.

Returns:

The retrieved facet values. The list may be empty.

getFacettedTopic

public Topic getFacettedTopic(long topicId,
                              List<String> facetTypeUris)

Specified by:

getFacettedTopic in interface FacetsService

addFacetTypeToTopic

public void addFacetTypeToTopic(long topicId,
                                String facetTypeUri)

Specified by:

addFacetTypeToTopic in interface FacetsService

updateFacet

public void updateFacet(long topicId,
                        String facetTypeUri,
                        FacetValue value,
                        @HeaderParam(value="Cookie")
                        ClientState clientState)

Specified by:

updateFacet in interface FacetsService

updateFacet

public void updateFacet(DeepaMehtaObject object,
                        String facetTypeUri,
                        FacetValue value,
                        ClientState clientState,
                        Directives directives)

Description copied from interface: FacetsService

Updates a facet.

Specified by:

updateFacet in interface FacetsService

Parameters:

object - The facetted object: a topic, association, a type ...

facetTypeUri - URI of the facet type.

directives - Must be not null at least for aggregated facets ### FIXME: directives are ignored

hasFacet

public boolean hasFacet(long topicId,
                        String facetTypeUri,
                        long facetTopicId)

Specified by:

hasFacet in interface FacetsService

fetchChildTopic

private RelatedTopic fetchChildTopic(DeepaMehtaObject object,
                                     AssociationDefinition assocDef,
                                     boolean fetchComposite)

Fetches and returns a child topic or null if no such topic extists.

Note: There is a principal copy in AttachedDeepaMehtaObject but here the precondition is different: The given association definition must not necessarily originate from the given object's type definition. ### TODO: meanwhile we have the ValueStorage. Can we use its method instead?

fetchChildTopics

private List<RelatedTopic> fetchChildTopics(DeepaMehtaObject object,
                                            AssociationDefinition assocDef,
                                            boolean fetchComposite)

Fetches and returns child topics.

Note: There is a principal copy in AttachedDeepaMehtaObject but here the precondition is different: The given association definition must not necessarily originate from the given object's type definition. ### TODO: meanwhile we have the ValueStorage. Can we use its method instead?

isMultiFacet

private boolean isMultiFacet(String facetTypeUri)

getChildTypeUri

private String getChildTypeUri(String facetTypeUri)

getAssocDef

private AssociationDefinition getAssocDef(String facetTypeUri)