import org.simantics.databoard.type.UnionType;
import org.simantics.databoard.type.VariantType;
import org.simantics.databoard.util.ObjectUtils;
+import org.simantics.datatypes.literal.GUID;
import org.simantics.db.ChangeSetIdentifier;
import org.simantics.db.Operation;
import org.simantics.db.ReadGraph;
import org.simantics.db.common.request.PossibleChild;
import org.simantics.db.common.request.PossibleIndexRoot;
import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.event.ChangeListener;
import org.simantics.db.exception.CancelTransactionException;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.exception.ServiceException;
import org.simantics.db.service.ClusteringSupport;
import org.simantics.db.service.CollectionSupport;
import org.simantics.db.service.DebugSupport;
+import org.simantics.db.service.GraphChangeListenerSupport;
import org.simantics.db.service.ManagementSupport;
import org.simantics.db.service.UndoRedoSupport;
import org.simantics.db.service.XSupport;
}
- public static void claimAdaptedValue(WriteGraph graph, Resource objectResource, Object value, Binding binding, Datatype datatype) throws DatabaseException {
+ public static void claimAdaptedValue(WriteGraph graph, Resource objectResource, Object value, Binding binding, Datatype targetDatatype) throws DatabaseException {
try {
- Datatype source = binding.type();
- if(source.equals(datatype)) {
+ Datatype sourceDatatype = binding.type();
+ if(sourceDatatype.equals(targetDatatype)) {
graph.claimValue(objectResource, value, binding);
} else {
- Binding target = Bindings.getBinding(datatype);
- Adapter adapter = Bindings.getAdapter(binding, target);
+ Binding target = Bindings.getBinding(targetDatatype);
+ Adapter adapter = Bindings.getTypeAdapter(binding, target);
graph.claimValue(objectResource, adapter.adapt(value), target);
}
}
return result;
}
+
+ public static Resource getPossiblePredicateByNameFromType(ReadGraph graph, Resource type, String name) throws DatabaseException {
+ Map<String,Resource> domain = getDomainOf(graph, type);
+ return domain.get(name);
+ }
public static Resource getPossiblePredicateByName(ReadGraph graph, Resource instance, String predicateName) throws DatabaseException {
for(Resource type : graph.getPrincipalTypes(instance)) {
return PrettyPrintTG.print(tg, ignoreIdentifiers);
}
+ /**
+ * Adds a random {@link GUID} as a value for <code>L0.identifier</code>
+ *
+ * @param graph
+ * @param component
+ * for which the identifier is added
+ * @param add
+ * <code>true</code> to invoke addLiteral, <code>false</code> to
+ * invoke claimLiteral
+ * @throws DatabaseException
+ */
+ public static void claimNewIdentifier(WriteGraph graph, Resource component, boolean add) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ GUID guid = GUID.random();
+ if (add)
+ graph.addLiteral(component, L0.identifier, L0.identifier_Inverse, L0.GUID, guid, GUID.BINDING);
+ else
+ graph.claimLiteral(component, L0.identifier, L0.identifier_Inverse, L0.GUID, guid, GUID.BINDING);
+ }
+
+ /**
+ * Sets a new random unique identifier for the specified entity if it already
+ * has an identifier. If the entity does not have a previous identifier, nothing
+ * is done.
+ *
+ * @param graph
+ * @param entity
+ * for which the identifier is added
+ * @return <code>true</code> if the identifier was renewed, <code>false</code>
+ * otherwise
+ * @throws DatabaseException
+ * @see {@link #claimNewIdentifier(WriteGraph, Resource, boolean)}
+ */
+ public static boolean renewIdentifier(WriteGraph graph, Resource entity) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ Statement stm = graph.getPossibleStatement(entity, L0.identifier);
+ if (stm != null) {
+ graph.claimValue(stm.getObject(), GUID.random(), GUID.BINDING);
+ return true;
+ }
+ return false;
+ }
+
+ public static void addMetadataListener(ChangeListener listener) {
+ SimanticsInternal.getSession().getService(GraphChangeListenerSupport.class).addMetadataListener(listener);
+ }
+
+ public static void removeMetadataListener(ChangeListener listener) {
+ SimanticsInternal.getSession().getService(GraphChangeListenerSupport.class).removeMetadataListener(listener);
+ }
+
}