001 package de.deepamehta.core.impl;
002
003 import de.deepamehta.core.DeepaMehtaObject;
004 import de.deepamehta.core.JSONEnabled;
005 import de.deepamehta.core.TopicType;
006 import de.deepamehta.core.model.TopicTypeModel;
007 import de.deepamehta.core.service.ClientState;
008 import de.deepamehta.core.service.Directive;
009 import de.deepamehta.core.service.Directives;
010
011 import java.util.List;
012 import java.util.logging.Logger;
013
014
015
016 /**
017 * A topic type that is attached to the {@link DeepaMehtaService}.
018 */
019 class AttachedTopicType extends AttachedType implements TopicType {
020
021 // ---------------------------------------------------------------------------------------------- Instance Variables
022
023 private Logger logger = Logger.getLogger(getClass().getName());
024
025 // ---------------------------------------------------------------------------------------------------- Constructors
026
027 AttachedTopicType(TopicTypeModel model, EmbeddedService dms) {
028 super(model, dms);
029 }
030
031 // -------------------------------------------------------------------------------------------------- Public Methods
032
033
034
035 // ********************************
036 // *** TopicType Implementation ***
037 // ********************************
038
039
040
041 @Override
042 public TopicTypeModel getModel() {
043 return (TopicTypeModel) super.getModel();
044 }
045
046 @Override
047 public void update(TopicTypeModel model, ClientState clientState, Directives directives) {
048 logger.info("Updating topic type \"" + getUri() + "\" (new " + model + ")");
049 // Note: the UPDATE_TOPIC_TYPE directive must be added *before* a possible UPDATE_TOPIC directive (added
050 // by super.update()). In case of a changed type URI the webclient's type cache must be updated *before*
051 // the TopicTypeRenderer can render the type.
052 directives.add(Directive.UPDATE_TOPIC_TYPE, this);
053 //
054 super.update(model, clientState, directives);
055 }
056
057 // ----------------------------------------------------------------------------------------- Package Private Methods
058
059
060
061 // === AttachedTopic Overrides ===
062
063 @Override
064 final String className() {
065 return "topic type";
066 }
067
068
069
070 // === Implementation of abstract AttachedType methods ===
071
072 @Override
073 final void putInTypeCache() {
074 dms.typeCache.putTopicType(this);
075 }
076
077 @Override
078 final void removeFromTypeCache() {
079 dms.typeCache.removeTopicType(getUri());
080 }
081
082 // ---
083
084 @Override
085 final Directive getDeleteTypeDirective() {
086 return Directive.DELETE_TOPIC_TYPE;
087 }
088
089 @Override
090 final List<? extends DeepaMehtaObject> getAllInstances() {
091 return dms.getTopics(getUri(), false, 0).getItems();
092 }
093 }