-/*******************************************************************************\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;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collection;\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
- * 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 MappedElementsRule<Domain, Range> implements IBidirectionalMappingRule<Domain, Range> {\r
-\r
- static Logger LOGGER = Logger.getLogger("org.simantics.objmap");\r
-\r
- IDomainAccessor<Domain,Collection<Domain>> domainAccessor;\r
- IRangeAccessor<Range,Collection<Range>> rangeAccessor;\r
-\r
- public MappedElementsRule(IDomainAccessor<Domain,Collection<Domain>> domainAccessor,\r
- IRangeAccessor<Range,Collection<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(" MappedElementsRule.updateDomain");\r
- // Snapshot the accessed range value for concurrency safety.\r
- // NOTE: still assumes that the accessed collection is concurrent or\r
- // synchronized for toArray to be atomic.\r
- Collection<Range> value = rangeAccessor.get(rangeElement);\r
- Object[] rangeSnapshot = value.toArray();\r
- ArrayList<Domain> mappedValue = new ArrayList<Domain>(rangeSnapshot.length);\r
- for (Object obj : rangeSnapshot)\r
- mappedValue.add(map.inverseMap(g, (Range)obj));//map.inverseGet((Range)obj));\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(" MappedElementsRule.updateRange");\r
- Collection<Domain> value = domainAccessor.get(g, domainElement);\r
- ArrayList<Range> mappedValue = new ArrayList<Range>(value.size());\r
- for(Domain r : value)\r
- mappedValue.add(map.map(g, r));//map.get(r));\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
+/*******************************************************************************
+ * 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;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.log4j.Logger;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.objmap.backward.IBackwardMapping;
+import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;
+import org.simantics.objmap.exceptions.MappingException;
+import org.simantics.objmap.forward.IForwardMapping;
+import org.simantics.objmap.graph.rules.domain.IDomainAccessor;
+import org.simantics.objmap.graph.rules.range.IRangeAccessor;
+
+
+/**
+ * A rule that synchronizes collection of elements between
+ * domain and range accessors. Elements are mapped from
+ * between domain and range during the synchronization.
+ * @author Hannu Niemistö
+ */
+public class MappedElementsRule<Domain, Range> implements IBidirectionalMappingRule<Domain, Range> {
+
+ static Logger LOGGER = Logger.getLogger("org.simantics.objmap");
+
+ IDomainAccessor<Domain,Collection<Domain>> domainAccessor;
+ IRangeAccessor<Range,Collection<Range>> rangeAccessor;
+
+ public MappedElementsRule(IDomainAccessor<Domain,Collection<Domain>> domainAccessor,
+ IRangeAccessor<Range,Collection<Range>> rangeAccessor) {
+ this.domainAccessor = domainAccessor;
+ this.rangeAccessor = rangeAccessor;
+ }
+
+ @Override
+ public boolean updateDomain(WriteGraph g, IBackwardMapping<Domain, Range> map,
+ Domain domainElement, Range rangeElement)
+ throws MappingException {
+ LOGGER.info(" MappedElementsRule.updateDomain");
+ // Snapshot the accessed range value for concurrency safety.
+ // NOTE: still assumes that the accessed collection is concurrent or
+ // synchronized for toArray to be atomic.
+ Collection<Range> value = rangeAccessor.get(rangeElement);
+ Object[] rangeSnapshot = value.toArray();
+ ArrayList<Domain> mappedValue = new ArrayList<Domain>(rangeSnapshot.length);
+ for (Object obj : rangeSnapshot)
+ mappedValue.add(map.inverseMap(g, (Range)obj));//map.inverseGet((Range)obj));
+ return domainAccessor.set(g, domainElement, mappedValue);
+ }
+
+ @Override
+ public boolean updateRange(ReadGraph g, IForwardMapping<Domain, Range> map,
+ Domain domainElement, Range rangeElement)
+ throws MappingException {
+ LOGGER.info(" MappedElementsRule.updateRange");
+ Collection<Domain> value = domainAccessor.get(g, domainElement);
+ ArrayList<Range> mappedValue = new ArrayList<Range>(value.size());
+ for(Domain r : value)
+ mappedValue.add(map.map(g, r));//map.get(r));
+ return rangeAccessor.set(rangeElement, mappedValue);
+ }
+
+ public void createDomain(WriteGraph g, IBackwardMapping<Domain,Range> map, Domain domainElement, Range rangeElement) throws MappingException {
+ updateDomain(g, map, domainElement, rangeElement);
+ };
+
+ public void createRange(ReadGraph g, IForwardMapping<Domain,Range> map, Domain domainElement, Range rangeElement) throws MappingException {
+ updateRange(g, map, domainElement, rangeElement);
+ };
+}
Code Review / simantics / platform.git / blobdiff