-/*******************************************************************************\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.structural.schema;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collections;\r
-import java.util.List;\r
-\r
-import org.apache.log4j.Logger;\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.layer0.Layer0;\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.schema.ILinkType;\r
-import org.simantics.objmap.structural.IStructuralObject;\r
-import org.simantics.objmap.structural.StructuralResource;\r
-\r
-\r
-\r
-public class SimpleLinkType implements ILinkType<StructuralResource,IStructuralObject> {\r
- \r
- static Logger LOGGER = Logger.getLogger("org.simantics.objmap");\r
- \r
- public Resource domainType;\r
- public Class<?> rangeType;\r
- ArrayList<IBidirectionalMappingRule<StructuralResource,IStructuralObject>> rules;\r
- \r
- public SimpleLinkType(Resource domainType, Class<?> rangeType,\r
- ArrayList<IBidirectionalMappingRule<StructuralResource,IStructuralObject>> rules) {\r
- this.domainType = domainType;\r
- this.rangeType = rangeType;\r
- this.rules = rules;\r
- }\r
-\r
- public SimpleLinkType(Resource domainType, Class<?> rangeType) {\r
- this(domainType, rangeType, new ArrayList<IBidirectionalMappingRule<StructuralResource,IStructuralObject>>());\r
- }\r
-\r
- /**\r
- * Adds a new rule to this link type that is enforced\r
- * during updates.\r
- */\r
- public void addRule(IBidirectionalMappingRule<StructuralResource,IStructuralObject> rule) {\r
- rules.add(rule);\r
- }\r
- \r
- @Override\r
- public StructuralResource createDomainElement(WriteGraph g, IStructuralObject rangeElement)\r
- throws MappingException {\r
- try {\r
- if(LOGGER.isInfoEnabled())\r
- LOGGER.info("SimpleLinkType.createDomainElement " +\r
- rangeElement.toString()\r
- );\r
- if (rangeElement.getContext().size() == 0) {\r
- // there is no context, this not a structural resource / object.\r
- Resource result = newResource(g, domainType);\r
- return new StructuralResource(g,result);\r
- } else {\r
- if (rangeElement.getContext().size() == 1 && rangeElement.getContext().get(0).equals(rangeElement)) {\r
- // Structural object's context is itself, we are instantiating a new structural model.\r
- Resource type = rangeElement.getType();\r
- Resource result = newResource(g, type);\r
- return new StructuralResource(g,result,result);\r
- } else {\r
- // Structural object's context is not itself, which means that the object is inside of a structural model.\r
- // At the moment we do not support modifying instantiated structural models.\r
- throw new MappingException("Cannot create a new StucturalObject " + rangeElement + " " + rangeElement.getClass());\r
- }\r
- }\r
- } catch(DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- }\r
- \r
- protected Resource newResource(WriteGraph g, Resource type) throws DatabaseException {\r
- Resource result = g.newResource();\r
- g.claim(result, Layer0.getInstance(g).InstanceOf, null, type);\r
- return result;\r
- }\r
- @Override\r
- public IStructuralObject createRangeElement(ReadGraph g, StructuralResource domainElement)\r
- throws MappingException {\r
- try {\r
- if(LOGGER.isInfoEnabled())\r
- try { \r
- LOGGER.info("SimpleLinkType.createRangeElement " + NameUtils.getSafeName(g, domainElement.getResource()));\r
- } catch(DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- IStructuralObject result = (IStructuralObject)rangeType.newInstance();\r
- if (domainElement.getContext().size() == 1) {\r
- if (domainElement.getContext().get(0).equals(domainElement.getResource()))\r
- result.setContext(Collections.singletonList(result));\r
- else {\r
- //result.setContext(result); \r
- }\r
- }\r
- return result;\r
- } catch (InstantiationException e) {\r
- throw new MappingException(e);\r
- } catch (IllegalAccessException e) {\r
- throw new MappingException(e);\r
- }\r
- }\r
- \r
- @SuppressWarnings("unchecked")\r
- public void createDomain(WriteGraph graph, IBackwardMapping<StructuralResource,IStructuralObject> mapping, StructuralResource domainElement, IStructuralObject rangeElement) throws MappingException {\r
- if (domainElement.isStructuralRoot())\r
- // FIXME: this is nasty, but when a structural model is instantiated by creating new IStructuralObject, its related objects must be read from the graph first, or otherwise the objects would be deleted from the graph.\r
- // as a side effect, if the new IStructuralObject has any properties set, those properties are set to null (because the graph does not contain those values).\r
- // \r
- updateRange(graph, (IForwardMapping<StructuralResource, IStructuralObject>)mapping, domainElement, rangeElement);\r
- updateDomain(graph, mapping, domainElement, rangeElement);\r
- };\r
- \r
- \r
- @Override\r
- public void createRange(ReadGraph graph, IForwardMapping<StructuralResource, IStructuralObject> mapping, StructuralResource domainElement, IStructuralObject rangeElement) throws MappingException {\r
- if (rangeElement.getContext().size() == 0 && domainElement.getContext().size() > 0) {\r
- List<IStructuralObject> ctx = new ArrayList<IStructuralObject>(domainElement.getContext().size());\r
- try {\r
- List<Resource> context = new ArrayList<Resource>();\r
- for (int i = 0; i <domainElement.getContext().size(); i++) {\r
- context.add(domainElement.getContext().get(i));\r
- IStructuralObject ctxObj = mapping.get(new StructuralResource(graph,context.get(context.size()-1),context));\r
- if (ctxObj == null) throw new MappingException("Cannot resolve range context for domain element " + domainElement);\r
- ctx.add(ctxObj);\r
- }\r
- //ctx = mapping.get(new StructuralResource(graph,context.get(context.size()-1),context));\r
- } catch (DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- if (ctx.size() == 0)\r
- throw new MappingException("Cannot find context for structural object, " + domainElement);\r
- rangeElement.setContext(ctx);\r
- }\r
- updateRange(graph, mapping, domainElement, rangeElement);\r
- }\r
- \r
- public boolean updateDomain(WriteGraph g, IBackwardMapping<StructuralResource,IStructuralObject> map, StructuralResource domainElement, IStructuralObject rangeElement) throws MappingException {\r
- if(LOGGER.isInfoEnabled())\r
- try { \r
- LOGGER.info("SimpleLinkType.updateDomain " +\r
- NameUtils.getSafeName(g, domainElement.getResource()) + " " +\r
- rangeElement.toString()\r
- );\r
- } catch(DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- \r
- boolean updated = false;\r
- for(IBidirectionalMappingRule<StructuralResource, IStructuralObject> rule : rules)\r
- updated |= rule.updateDomain(g, map, domainElement, rangeElement);\r
- return updated;\r
- }\r
- \r
- public boolean updateRange(ReadGraph g, IForwardMapping<StructuralResource, IStructuralObject> map, StructuralResource domainElement, IStructuralObject rangeElement) throws MappingException {\r
- \r
- if(LOGGER.isInfoEnabled())\r
- try { \r
- LOGGER.info("SimpleLinkType.updateRange " +\r
- NameUtils.getSafeName(g, domainElement.getResource()) + " " +\r
- rangeElement.toString()\r
- );\r
- } catch(DatabaseException e) {\r
- throw new MappingException(e);\r
- }\r
- \r
- boolean updated = false;\r
- for(IBidirectionalMappingRule<StructuralResource, IStructuralObject> rule : rules)\r
- updated |= rule.updateRange(g, map, domainElement, rangeElement);\r
- return updated;\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.structural.schema;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+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.layer0.Layer0;
+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.schema.ILinkType;
+import org.simantics.objmap.structural.IStructuralObject;
+import org.simantics.objmap.structural.StructuralResource;
+
+
+
+public class SimpleLinkType implements ILinkType<StructuralResource,IStructuralObject> {
+
+ static Logger LOGGER = LoggerFactory.getLogger(SimpleLinkType.class);
+
+ public Resource domainType;
+ public Class<?> rangeType;
+ ArrayList<IBidirectionalMappingRule<StructuralResource,IStructuralObject>> rules;
+
+ public SimpleLinkType(Resource domainType, Class<?> rangeType,
+ ArrayList<IBidirectionalMappingRule<StructuralResource,IStructuralObject>> rules) {
+ this.domainType = domainType;
+ this.rangeType = rangeType;
+ this.rules = rules;
+ }
+
+ public SimpleLinkType(Resource domainType, Class<?> rangeType) {
+ this(domainType, rangeType, new ArrayList<IBidirectionalMappingRule<StructuralResource,IStructuralObject>>());
+ }
+
+ /**
+ * Adds a new rule to this link type that is enforced
+ * during updates.
+ */
+ public void addRule(IBidirectionalMappingRule<StructuralResource,IStructuralObject> rule) {
+ rules.add(rule);
+ }
+
+ @Override
+ public StructuralResource createDomainElement(WriteGraph g, IStructuralObject rangeElement)
+ throws MappingException {
+ try {
+ if(LOGGER.isTraceEnabled())
+ LOGGER.trace("SimpleLinkType.createDomainElement " +
+ rangeElement.toString()
+ );
+ if (rangeElement.getContext().size() == 0) {
+ // there is no context, this not a structural resource / object.
+ Resource result = newResource(g, domainType);
+ return new StructuralResource(g,result);
+ } else {
+ if (rangeElement.getContext().size() == 1 && rangeElement.getContext().get(0).equals(rangeElement)) {
+ // Structural object's context is itself, we are instantiating a new structural model.
+ Resource type = rangeElement.getType();
+ Resource result = newResource(g, type);
+ return new StructuralResource(g,result,result);
+ } else {
+ // Structural object's context is not itself, which means that the object is inside of a structural model.
+ // At the moment we do not support modifying instantiated structural models.
+ throw new MappingException("Cannot create a new StucturalObject " + rangeElement + " " + rangeElement.getClass());
+ }
+ }
+ } catch(DatabaseException e) {
+ throw new MappingException(e);
+ }
+ }
+
+ protected Resource newResource(WriteGraph g, Resource type) throws DatabaseException {
+ Resource result = g.newResource();
+ g.claim(result, Layer0.getInstance(g).InstanceOf, null, type);
+ return result;
+ }
+ @Override
+ public IStructuralObject createRangeElement(ReadGraph g, StructuralResource domainElement)
+ throws MappingException {
+ try {
+ if(LOGGER.isTraceEnabled())
+ try {
+ LOGGER.trace("SimpleLinkType.createRangeElement " + NameUtils.getSafeName(g, domainElement.getResource()));
+ } catch(DatabaseException e) {
+ throw new MappingException(e);
+ }
+ IStructuralObject result = (IStructuralObject)rangeType.newInstance();
+ if (domainElement.getContext().size() == 1) {
+ if (domainElement.getContext().get(0).equals(domainElement.getResource()))
+ result.setContext(Collections.singletonList(result));
+ else {
+ //result.setContext(result);
+ }
+ }
+ return result;
+ } catch (InstantiationException e) {
+ throw new MappingException(e);
+ } catch (IllegalAccessException e) {
+ throw new MappingException(e);
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ public void createDomain(WriteGraph graph, IBackwardMapping<StructuralResource,IStructuralObject> mapping, StructuralResource domainElement, IStructuralObject rangeElement) throws MappingException {
+ if (domainElement.isStructuralRoot())
+ // FIXME: this is nasty, but when a structural model is instantiated by creating new IStructuralObject, its related objects must be read from the graph first, or otherwise the objects would be deleted from the graph.
+ // as a side effect, if the new IStructuralObject has any properties set, those properties are set to null (because the graph does not contain those values).
+ //
+ updateRange(graph, (IForwardMapping<StructuralResource, IStructuralObject>)mapping, domainElement, rangeElement);
+ updateDomain(graph, mapping, domainElement, rangeElement);
+ };
+
+
+ @Override
+ public void createRange(ReadGraph graph, IForwardMapping<StructuralResource, IStructuralObject> mapping, StructuralResource domainElement, IStructuralObject rangeElement) throws MappingException {
+ if (rangeElement.getContext().size() == 0 && domainElement.getContext().size() > 0) {
+ List<IStructuralObject> ctx = new ArrayList<IStructuralObject>(domainElement.getContext().size());
+ try {
+ List<Resource> context = new ArrayList<Resource>();
+ for (int i = 0; i <domainElement.getContext().size(); i++) {
+ context.add(domainElement.getContext().get(i));
+ IStructuralObject ctxObj = mapping.get(new StructuralResource(graph,context.get(context.size()-1),context));
+ if (ctxObj == null) throw new MappingException("Cannot resolve range context for domain element " + domainElement);
+ ctx.add(ctxObj);
+ }
+ //ctx = mapping.get(new StructuralResource(graph,context.get(context.size()-1),context));
+ } catch (DatabaseException e) {
+ throw new MappingException(e);
+ }
+ if (ctx.size() == 0)
+ throw new MappingException("Cannot find context for structural object, " + domainElement);
+ rangeElement.setContext(ctx);
+ }
+ updateRange(graph, mapping, domainElement, rangeElement);
+ }
+
+ public boolean updateDomain(WriteGraph g, IBackwardMapping<StructuralResource,IStructuralObject> map, StructuralResource domainElement, IStructuralObject rangeElement) throws MappingException {
+ if(LOGGER.isTraceEnabled())
+ try {
+ LOGGER.trace("SimpleLinkType.updateDomain " +
+ NameUtils.getSafeName(g, domainElement.getResource()) + " " +
+ rangeElement.toString()
+ );
+ } catch(DatabaseException e) {
+ throw new MappingException(e);
+ }
+
+ boolean updated = false;
+ for(IBidirectionalMappingRule<StructuralResource, IStructuralObject> rule : rules)
+ updated |= rule.updateDomain(g, map, domainElement, rangeElement);
+ return updated;
+ }
+
+ public boolean updateRange(ReadGraph g, IForwardMapping<StructuralResource, IStructuralObject> map, StructuralResource domainElement, IStructuralObject rangeElement) throws MappingException {
+
+ if(LOGGER.isTraceEnabled())
+ try {
+ LOGGER.trace("SimpleLinkType.updateRange " +
+ NameUtils.getSafeName(g, domainElement.getResource()) + " " +
+ rangeElement.toString()
+ );
+ } catch(DatabaseException e) {
+ throw new MappingException(e);
+ }
+
+ boolean updated = false;
+ for(IBidirectionalMappingRule<StructuralResource, IStructuralObject> rule : rules)
+ updated |= rule.updateRange(g, map, domainElement, rangeElement);
+ return updated;
+ }
+}
Code Review / simantics / platform.git / blobdiff