-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.layer0.utils.binaryPredicates;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Statement;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.utils.OrderedSetUtils;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.utils.datastructures.Pair;\r
-\r
-public class OrderedSetElementsPredicate extends BinaryPredicate {\r
-\r
- public static final OrderedSetElementsPredicate INSTANCE = \r
- new OrderedSetElementsPredicate(); \r
- \r
- @Override\r
- public Collection<Resource> getObjects(ReadGraph g, Resource subject) throws DatabaseException {\r
- Layer0 l0 = Layer0.getInstance(g);\r
- if(g.isInstanceOf(subject, l0.OrderedSet))\r
- return OrderedSetUtils.toList(g, subject);\r
- else\r
- return Collections.emptyList();\r
- }\r
-\r
- @Override\r
- public Collection<Pair<Resource, Resource>> getStatements(ReadGraph g) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public Collection<Resource> getSubjects(ReadGraph g, Resource object) throws DatabaseException {\r
- Collection<Resource> result = new ArrayList<Resource>(1);\r
- Layer0 l0 = Layer0.getInstance(g);\r
- for(Statement stat : g.getStatements(object, l0.IsWeaklyRelatedTo)) {\r
- Resource pred = stat.getPredicate();\r
- if(g.isInstanceOf(pred, l0.OrderedSet) && !pred.equals(object))\r
- result.add(pred);\r
- }\r
- return result;\r
- }\r
-\r
- @Override\r
- public boolean has(ReadGraph g, Resource subject, Resource object) throws DatabaseException {\r
- return OrderedSetUtils.contains(g, subject, object) &&\r
- g.isInstanceOf(subject, Layer0.getInstance(g).OrderedSet);\r
- }\r
-\r
- @Override\r
- public boolean supportsGetObjects() {\r
- return true;\r
- }\r
-\r
- @Override\r
- public boolean supportsGetStatements() { \r
- return false;\r
- }\r
-\r
- @Override\r
- public boolean supportsGetSubjects() {\r
- return true;\r
- }\r
-\r
- @Override\r
- public void add(WriteGraph g, Resource subject, Resource object) throws DatabaseException {\r
- OrderedSetUtils.add(g, subject, object);\r
- }\r
-\r
- @Override\r
- public void remove(WriteGraph g, Resource subject, Resource object) throws DatabaseException {\r
- OrderedSetUtils.remove(g, subject, object);\r
- }\r
-\r
- @Override\r
- public boolean supportsAdditions() {\r
- return true;\r
- }\r
-\r
- @Override\r
- public boolean supportsRemovals() {\r
- return true;\r
- }\r
- \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.layer0.utils.binaryPredicates;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.utils.OrderedSetUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.datastructures.Pair;
+
+public class OrderedSetElementsPredicate extends BinaryPredicate {
+
+ public static final OrderedSetElementsPredicate INSTANCE =
+ new OrderedSetElementsPredicate();
+
+ @Override
+ public Collection<Resource> getObjects(ReadGraph g, Resource subject) throws DatabaseException {
+ Layer0 l0 = Layer0.getInstance(g);
+ if(g.isInstanceOf(subject, l0.OrderedSet))
+ return OrderedSetUtils.toList(g, subject);
+ else
+ return Collections.emptyList();
+ }
+
+ @Override
+ public Collection<Pair<Resource, Resource>> getStatements(ReadGraph g) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Collection<Resource> getSubjects(ReadGraph g, Resource object) throws DatabaseException {
+ Collection<Resource> result = new ArrayList<Resource>(1);
+ Layer0 l0 = Layer0.getInstance(g);
+ for(Statement stat : g.getStatements(object, l0.IsWeaklyRelatedTo)) {
+ Resource pred = stat.getPredicate();
+ if(g.isInstanceOf(pred, l0.OrderedSet) && !pred.equals(object))
+ result.add(pred);
+ }
+ return result;
+ }
+
+ @Override
+ public boolean has(ReadGraph g, Resource subject, Resource object) throws DatabaseException {
+ return OrderedSetUtils.contains(g, subject, object) &&
+ g.isInstanceOf(subject, Layer0.getInstance(g).OrderedSet);
+ }
+
+ @Override
+ public boolean supportsGetObjects() {
+ return true;
+ }
+
+ @Override
+ public boolean supportsGetStatements() {
+ return false;
+ }
+
+ @Override
+ public boolean supportsGetSubjects() {
+ return true;
+ }
+
+ @Override
+ public void add(WriteGraph g, Resource subject, Resource object) throws DatabaseException {
+ OrderedSetUtils.add(g, subject, object);
+ }
+
+ @Override
+ public void remove(WriteGraph g, Resource subject, Resource object) throws DatabaseException {
+ OrderedSetUtils.remove(g, subject, object);
+ }
+
+ @Override
+ public boolean supportsAdditions() {
+ return true;
+ }
+
+ @Override
+ public boolean supportsRemovals() {
+ return true;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff