Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.objmap2 / src / org / simantics / objmap / graph / schema / DefaultSchema.java

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/DefaultSchema.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/DefaultSchema.java
new file mode 100644 (file)
index 0000000..e5adac8
--- /dev/null
+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/DefaultSchema.java
@@ -0,0 +1,98 @@
+/*******************************************************************************\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.schema;\r
+\r
+\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.objmap.exceptions.MappingException;\r
+\r
+\r
+/**\r
+ * \r
+ */\r
+public class DefaultSchema implements IMappingSchema<Resource,Object> {\r
+\r
+    THashMap<Resource, ILinkType<Resource,Object>> domainLinkTypes = \r
+        new THashMap<Resource, ILinkType<Resource,Object>>();\r
+    THashMap<Class<?>, ILinkType<Resource,Object>> rangeLinkTypes = \r
+        new THashMap<Class<?>, ILinkType<Resource,Object>>();\r
+    \r
+    public void addLinkType(SimpleLinkType<Object> linkType) {\r
+        domainLinkTypes.put(linkType.domainType, linkType);\r
+        rangeLinkTypes.put(linkType.rangeType, linkType);\r
+    }\r
+    \r
+    public void addLinkType(AdaptedLinkType<Object> linkType) {\r
+        domainLinkTypes.put(linkType.domainType, linkType);\r
+        rangeLinkTypes.put(linkType.rangeType, linkType);\r
+    }\r
+    \r
+    @Override\r
+    public ILinkType<Resource,Object> linkTypeOfDomainElement(ReadGraph g, Resource element) throws MappingException {        \r
+        try {\r
+               \r
+               for(Resource type : g.getTypes(element)) {\r
+\r
+                       ILinkType<Resource,Object> linkType = domainLinkTypes.get(type);\r
+                       if(linkType != null) return linkType;\r
+                       \r
+               }\r
+               \r
+               throw new MappingException("Didn't find a link type for " +\r
+                               NameUtils.getSafeName(g, element) + ".");\r
+                               \r
+        } catch (DatabaseException e) {\r
+            throw new MappingException(e);\r
+        }\r
+    }\r
+\r
+    @Override\r
+    public ILinkType<Resource,Object> linkTypeOfRangeElement(Object element) throws MappingException {\r
+       ILinkType<Resource,Object> type = rangeLinkTypes.get(element.getClass());\r
+               if(type == null)  {\r
+                       for (Class<?> clazz : element.getClass().getInterfaces()) {\r
+                               type = rangeLinkTypes.get(clazz);\r
+                               if (type != null)\r
+                                       return type;\r
+                               \r
+                       }\r
+                       throw new MappingException("Didn't find a link type for " +     element + ".");\r
+               }\r
+               return type;\r
+    }\r
+\r
+    \r
+    public ILinkType<Resource,Object> linkTypeOfDomainType(ReadGraph g, Resource type)  {        \r
+       return domainLinkTypes.get(type);\r
+    }\r
+    \r
+    public ILinkType<Resource,Object> linkTypeOfRangeType(Class<?> clazz) {\r
+       ILinkType<Resource,Object> type = rangeLinkTypes.get(clazz);\r
+       if(type == null)  {\r
+               // FIXME: c is not referenced at all, should it be?\r
+               // TODO: should this method take inheritance into account ?\r
+                       for (Class<?> c : clazz.getInterfaces()) {\r
+                               type = rangeLinkTypes.get(clazz);\r
+                               if (type != null)\r
+                                       return type;\r
+                               \r
+                       }\r
+               }\r
+       return null;\r
+    }\r
+}\r