--- /dev/null
+/*******************************************************************************\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.objmap.graph.rules;\r
+\r
+import org.apache.log4j.Logger;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.objmap.backward.IBackwardMapping;\r
+import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;\r
+import org.simantics.objmap.exceptions.MappingException;\r
+import org.simantics.objmap.forward.IForwardMapping;\r
+import org.simantics.objmap.graph.rules.domain.IDomainAccessor;\r
+import org.simantics.objmap.graph.rules.range.IRangeAccessor;\r
+\r
+\r
+\r
+\r
+/**\r
+ * A rule that synchronizes collection of elements between\r
+ * domain and range accessors. Elements are mapped from\r
+ * between domain and range during the synchronization.\r
+ * @author Hannu Niemistö\r
+ */\r
+public class MappedElementRule<Domain, Range> implements IBidirectionalMappingRule<Domain, Range> {\r
+ \r
+ static Logger LOGGER = Logger.getLogger("org.simantics.objmap");\r
+ \r
+ IDomainAccessor<Domain,Domain> domainAccessor;\r
+ IRangeAccessor<Range,Range> rangeAccessor;\r
+ \r
+ public MappedElementRule(IDomainAccessor<Domain,Domain> domainAccessor,\r
+ IRangeAccessor<Range,Range> rangeAccessor) {\r
+ this.domainAccessor = domainAccessor;\r
+ this.rangeAccessor = rangeAccessor;\r
+ }\r
+\r
+ @Override\r
+ public boolean updateDomain(WriteGraph g, IBackwardMapping<Domain, Range> map,\r
+ Domain domainElement, Range rangeElement)\r
+ throws MappingException {\r
+ LOGGER.info(" MappedElementRule.updateDomain");\r
+ Range value = rangeAccessor.get(rangeElement);\r
+ Domain mappedValue = value == null ? null : map.inverseMap(g, value);//map.inverseGet(value);\r
+ return domainAccessor.set(g, domainElement, mappedValue);\r
+ }\r
+\r
+ @Override\r
+ public boolean updateRange(ReadGraph g, IForwardMapping<Domain, Range> map,\r
+ Domain domainElement, Range rangeElement)\r
+ throws MappingException {\r
+ LOGGER.info(" MappedElementRule.updateRange"); \r
+ Domain value = domainAccessor.get(g, domainElement);\r
+ Range mappedValue = value == null ? null : map.map(g, value);////map.get(value);\r
+ return rangeAccessor.set(rangeElement, mappedValue);\r
+ } \r
+ \r
+ public void createDomain(WriteGraph g, IBackwardMapping<Domain,Range> map, Domain domainElement, Range rangeElement) throws MappingException {\r
+ updateDomain(g, map, domainElement, rangeElement);\r
+ };\r
+ \r
+ public void createRange(ReadGraph g, IForwardMapping<Domain,Range> map, Domain domainElement, Range rangeElement) throws MappingException {\r
+ updateRange(g, map, domainElement, rangeElement);\r
+ };\r
+}\r