-/*******************************************************************************\r
- * Copyright (c) 2007, 2013 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.objmap.graph.rules.domain;\r
-\r
-import java.util.Arrays;\r
-\r
-import org.apache.log4j.Logger;\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.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.objmap.exceptions.MappingException;\r
-\r
-/**\r
- * Accesses a value attached to the element by given functional relation.\r
- * @author Hannu Niemist�\r
- */\r
-public class RelatedValueAccessor implements IDomainAccessor<Resource,Object> {\r
-\r
- static Logger LOGGER = Logger.getLogger("org.simantics.objmap");\r
- \r
- Resource relation;\r
- Resource valueType;\r
-\r
- public RelatedValueAccessor(Resource relation, Resource valueType) {\r
- this.relation = relation;\r
- this.valueType = valueType;\r
- }\r
-\r
- @Override\r
- public Object get(ReadGraph g, Resource element) throws MappingException {\r
- try {\r
- LOGGER.info(" RelatedValueAccessor.get");\r
- Resource valueResource = g.getPossibleObject(element, relation);\r
- if(valueResource == null)\r
- return null;\r
- return g.getValue(valueResource);\r
- } catch (DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- }\r
- \r
- @Override\r
- public boolean set(WriteGraph g, Resource element, Object value)\r
- throws MappingException {\r
- try {\r
- LOGGER.info(" RelatedValueAccessor.set");\r
- Statement valueStatement = g.getPossibleStatement(element, relation);\r
- if(valueStatement == null) {\r
- if(value == null)\r
- return false;\r
- Resource valueResource = g.newResource();\r
- g.claim(valueResource, Layer0.getInstance(g).InstanceOf, null,\r
- valueType);\r
- g.claim(element, relation, valueResource);\r
- g.claimValue(valueResource, value); \r
- return true;\r
- }\r
- else {\r
- if(value == null) {\r
- if (!valueStatement.isAsserted(element)) {\r
- g.deny(valueStatement.getObject());\r
- return true;\r
- } else {\r
- return false;\r
- }\r
- } \r
- Object currentValue = g.getValue(valueStatement.getObject());\r
- if(equals(currentValue,value))\r
- return false;\r
- if (!valueStatement.isAsserted(element))\r
- g.claimValue(valueStatement.getObject(), value);\r
- else {\r
- Resource valueResource = g.newResource();\r
- g.claim(valueResource, Layer0.getInstance(g).InstanceOf, null,\r
- valueType);\r
- g.claim(element, relation, valueResource);\r
- g.claimValue(valueResource, value);\r
- }\r
- return true;\r
- }\r
- } catch (DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- \r
- }\r
- \r
- private boolean equals(Object o1, Object o2) {\r
- if (o1 instanceof boolean[])\r
- Arrays.equals((boolean[])o1,(boolean[])o2);\r
- if (o1 instanceof int[])\r
- Arrays.equals((int[])o1,(int[])o2);\r
- if (o1 instanceof float[])\r
- Arrays.equals((float[])o1,(float[])o2);\r
- if (o1 instanceof double[])\r
- Arrays.equals((double[])o1,(double[])o2);\r
- if (o1 instanceof byte[])\r
- Arrays.equals((byte[])o1,(byte[])o2);\r
- return o1.equals(o2);\r
- \r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2013 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.objmap.graph.rules.domain;
+
+import java.util.Arrays;
+
+import org.apache.log4j.Logger;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+import org.simantics.objmap.exceptions.MappingException;
+
+/**
+ * Accesses a value attached to the element by given functional relation.
+ * @author Hannu Niemist�
+ */
+public class RelatedValueAccessor implements IDomainAccessor<Resource,Object> {
+
+ static Logger LOGGER = Logger.getLogger("org.simantics.objmap");
+
+ Resource relation;
+ Resource valueType;
+
+ public RelatedValueAccessor(Resource relation, Resource valueType) {
+ this.relation = relation;
+ this.valueType = valueType;
+ }
+
+ @Override
+ public Object get(ReadGraph g, Resource element) throws MappingException {
+ try {
+ LOGGER.info(" RelatedValueAccessor.get");
+ Resource valueResource = g.getPossibleObject(element, relation);
+ if(valueResource == null)
+ return null;
+ return g.getValue(valueResource);
+ } catch (DatabaseException e) {
+ throw new MappingException(e);
+ }
+ }
+
+ @Override
+ public boolean set(WriteGraph g, Resource element, Object value)
+ throws MappingException {
+ try {
+ LOGGER.info(" RelatedValueAccessor.set");
+ Statement valueStatement = g.getPossibleStatement(element, relation);
+ if(valueStatement == null) {
+ if(value == null)
+ return false;
+ Resource valueResource = g.newResource();
+ g.claim(valueResource, Layer0.getInstance(g).InstanceOf, null,
+ valueType);
+ g.claim(element, relation, valueResource);
+ g.claimValue(valueResource, value);
+ return true;
+ }
+ else {
+ if(value == null) {
+ if (!valueStatement.isAsserted(element)) {
+ g.deny(valueStatement.getObject());
+ return true;
+ } else {
+ return false;
+ }
+ }
+ Object currentValue = g.getValue(valueStatement.getObject());
+ if(equals(currentValue,value))
+ return false;
+ if (!valueStatement.isAsserted(element))
+ g.claimValue(valueStatement.getObject(), value);
+ else {
+ Resource valueResource = g.newResource();
+ g.claim(valueResource, Layer0.getInstance(g).InstanceOf, null,
+ valueType);
+ g.claim(element, relation, valueResource);
+ g.claimValue(valueResource, value);
+ }
+ return true;
+ }
+ } catch (DatabaseException e) {
+ throw new MappingException(e);
+ }
+
+ }
+
+ private boolean equals(Object o1, Object o2) {
+ if (o1 instanceof boolean[])
+ Arrays.equals((boolean[])o1,(boolean[])o2);
+ if (o1 instanceof int[])
+ Arrays.equals((int[])o1,(int[])o2);
+ if (o1 instanceof float[])
+ Arrays.equals((float[])o1,(float[])o2);
+ if (o1 instanceof double[])
+ Arrays.equals((double[])o1,(double[])o2);
+ if (o1 instanceof byte[])
+ Arrays.equals((byte[])o1,(byte[])o2);
+ return o1.equals(o2);
+
+ }
+
+}
Code Review / simantics / platform.git / blobdiff