-/*******************************************************************************\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.Collection;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.common.utils.NameUtils;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.utils.datastructures.Pair;\r
-\r
-public class Relation extends BinaryPredicate {\r
-\r
- Resource relation;\r
- \r
- public Relation(Resource relation) {\r
- this.relation = relation;\r
- }\r
-\r
- @Override\r
- public Collection<Resource> getObjects(ReadGraph g, Resource subject) throws DatabaseException {\r
- return g.getObjects(subject, relation);\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
- return g.getObjects(object, g.getInverse(relation));\r
- }\r
-\r
- @Override\r
- public boolean has(ReadGraph g, Resource subject, Resource object) throws DatabaseException {\r
- return g.hasStatement(subject, relation, object);\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
- g.claim(subject, relation, object);\r
- }\r
-\r
- @Override\r
- public void remove(WriteGraph g, Resource subject, Resource object) throws DatabaseException {\r
- g.denyStatement(subject, relation, object);\r
- }\r
-\r
- @Override\r
- public boolean supportsAdditions() {\r
- return true;\r
- }\r
-\r
- @Override\r
- public boolean supportsRemovals() {\r
- return false;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- final int prime = 31;\r
- int result = 1;\r
- result = prime * result\r
- + ((relation == null) ? 0 : relation.hashCode());\r
- return result;\r
- }\r
-\r
- @Override\r
- public boolean equals(Object obj) {\r
- if (this == obj)\r
- return true;\r
- if (obj == null)\r
- return false;\r
- if (getClass() != obj.getClass())\r
- return false;\r
- Relation other = (Relation) obj;\r
- if (relation == null) {\r
- if (other.relation != null)\r
- return false;\r
- } else if (!relation.equals(other.relation))\r
- return false;\r
- return true;\r
- }\r
- \r
- @Override\r
- public IBinaryPredicate inverse(ReadGraph g) throws DatabaseException {\r
- return new Relation(g.getInverse(relation));\r
- }\r
- \r
- @Override\r
- public String toString(ReadGraph g) throws DatabaseException {\r
- return NameUtils.getSafeName(g, relation);\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.Collection;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.utils.datastructures.Pair;
+
+public class Relation extends BinaryPredicate {
+
+ Resource relation;
+
+ public Relation(Resource relation) {
+ this.relation = relation;
+ }
+
+ @Override
+ public Collection<Resource> getObjects(ReadGraph g, Resource subject) throws DatabaseException {
+ return g.getObjects(subject, relation);
+ }
+
+ @Override
+ public Collection<Pair<Resource, Resource>> getStatements(ReadGraph g) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Collection<Resource> getSubjects(ReadGraph g, Resource object) throws DatabaseException {
+ return g.getObjects(object, g.getInverse(relation));
+ }
+
+ @Override
+ public boolean has(ReadGraph g, Resource subject, Resource object) throws DatabaseException {
+ return g.hasStatement(subject, relation, object);
+ }
+
+ @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 {
+ g.claim(subject, relation, object);
+ }
+
+ @Override
+ public void remove(WriteGraph g, Resource subject, Resource object) throws DatabaseException {
+ g.denyStatement(subject, relation, object);
+ }
+
+ @Override
+ public boolean supportsAdditions() {
+ return true;
+ }
+
+ @Override
+ public boolean supportsRemovals() {
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result
+ + ((relation == null) ? 0 : relation.hashCode());
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (getClass() != obj.getClass())
+ return false;
+ Relation other = (Relation) obj;
+ if (relation == null) {
+ if (other.relation != null)
+ return false;
+ } else if (!relation.equals(other.relation))
+ return false;
+ return true;
+ }
+
+ @Override
+ public IBinaryPredicate inverse(ReadGraph g) throws DatabaseException {
+ return new Relation(g.getInverse(relation));
+ }
+
+ @Override
+ public String toString(ReadGraph g) throws DatabaseException {
+ return NameUtils.getSafeName(g, relation);
+ }
+
+}
Code Review / simantics / platform.git / blobdiff