-/*******************************************************************************\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.predicates;\r
-\r
-import java.util.Collection;\r
-\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-\r
-public class Type extends UnaryPredicate {\r
-\r
- Resource type;\r
-\r
- public Type(Resource type) {\r
- this.type = type;\r
- }\r
- \r
- public Resource getType() {\r
- return type;\r
- }\r
-\r
- @Override\r
- public Collection<Resource> getResources(ReadGraph g) {\r
- throw new UnsupportedOperationException();\r
- }\r
-\r
- @Override\r
- public boolean has(ReadGraph g, Resource resource) throws DatabaseException {\r
- return g.isInstanceOf(resource, type);\r
- }\r
-\r
- @Override\r
- public boolean supportsUnboundedQuery() {\r
- return false;\r
- }\r
-\r
- @Override\r
- public void add(WriteGraph g, Resource r) throws DatabaseException {\r
- Layer0 b = Layer0.getInstance(g);\r
- if(!g.isInstanceOf(r, type))\r
- g.claim(r, b.InstanceOf, null, type);\r
- }\r
-\r
- @Override\r
- public void remove(WriteGraph g, Resource r) throws DatabaseException {\r
- // FIXME not implemented correctly\r
- Layer0 b = Layer0.getInstance(g);\r
- if(g.isInstanceOf(r, type))\r
- g.denyStatement(r, b.InstanceOf, type);\r
- }\r
-\r
- @Override\r
- public boolean supportsAddition() {\r
- return true;\r
- }\r
-\r
- @Override\r
- public boolean supportsRemoval() {\r
- return false;\r
- }\r
-\r
- @Override\r
- public int hashCode() {\r
- final int prime = 31;\r
- int result = 1;\r
- result = prime * result + ((type == null) ? 0 : type.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
- Type other = (Type) obj;\r
- if (type == null) {\r
- if (other.type != null)\r
- return false;\r
- } else if (!type.equals(other.type))\r
- return false;\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.predicates;
+
+import java.util.Collection;
+
+import org.simantics.db.Resource;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+public class Type extends UnaryPredicate {
+
+ Resource type;
+
+ public Type(Resource type) {
+ this.type = type;
+ }
+
+ public Resource getType() {
+ return type;
+ }
+
+ @Override
+ public Collection<Resource> getResources(ReadGraph g) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean has(ReadGraph g, Resource resource) throws DatabaseException {
+ return g.isInstanceOf(resource, type);
+ }
+
+ @Override
+ public boolean supportsUnboundedQuery() {
+ return false;
+ }
+
+ @Override
+ public void add(WriteGraph g, Resource r) throws DatabaseException {
+ Layer0 b = Layer0.getInstance(g);
+ if(!g.isInstanceOf(r, type))
+ g.claim(r, b.InstanceOf, null, type);
+ }
+
+ @Override
+ public void remove(WriteGraph g, Resource r) throws DatabaseException {
+ // FIXME not implemented correctly
+ Layer0 b = Layer0.getInstance(g);
+ if(g.isInstanceOf(r, type))
+ g.denyStatement(r, b.InstanceOf, type);
+ }
+
+ @Override
+ public boolean supportsAddition() {
+ return true;
+ }
+
+ @Override
+ public boolean supportsRemoval() {
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((type == null) ? 0 : type.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;
+ Type other = (Type) obj;
+ if (type == null) {
+ if (other.type != null)
+ return false;
+ } else if (!type.equals(other.type))
+ return false;
+ return true;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff