Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / PropertyMapOfResource.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PropertyMapOfResource.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PropertyMapOfResource.java
new file mode 100644 (file)
index 0000000..5a92ef6
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/PropertyMapOfResource.java
@@ -0,0 +1,52 @@
+/*******************************************************************************\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.db.common.request;\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+\r
+import java.util.Collection;\r
+import java.util.Map;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.util.URIStringUtils;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public class PropertyMapOfResource extends ResourceRead<Map<String, Resource>> {\r
+\r
+       public PropertyMapOfResource(Resource resource) {\r
+           super(resource);\r
+       }\r
+\r
+       @Override\r
+       public Map<String,Resource> perform(ReadGraph graph) throws DatabaseException {\r
+\r
+               Layer0 L0 = Layer0.getInstance(graph);\r
+               Collection<Resource> predicates = graph.getPredicates(resource); \r
+        THashMap<String, Resource> result = new THashMap<String, Resource>(predicates.size());\r
+               for(Resource predicate : predicates) {\r
+                       if(graph.isSubrelationOf(predicate, L0.HasProperty)) {\r
+                       String name = graph.getPossibleRelatedValue(predicate, L0.HasName, Bindings.STRING);\r
+                       if(name != null) {\r
+                                       String escapedName = URIStringUtils.escape(name); \r
+                           if (result.put(escapedName, predicate) != null)\r
+                               System.err.println(this + ": The database contains siblings with the same name " + name + " (resource=$" + resource.getResourceId() +").");\r
+                       }\r
+                       }                               \r
+               }\r
+               return result;\r
+               \r
+       }\r
+       \r
+}\r