Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / subscription / SubscriptionsQuery.java

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/SubscriptionsQuery.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/SubscriptionsQuery.java
new file mode 100644 (file)
index 0000000..954ab55
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/SubscriptionsQuery.java
@@ -0,0 +1,74 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
+ * 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.modeling.subscription;\r
+\r
+import java.util.List;\r
+\r
+import org.simantics.databoard.util.Bean;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ResourceRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.ModelingResources;\r
+\r
+/**\r
+ * This query returns all subscriptions and their corersponding names.\r
+ *  \r
+ * @author toni.kalajainen\r
+ */\r
+public class SubscriptionsQuery extends ResourceRead<SubscriptionsQuery.SubscriptionsResult> {\r
+\r
+       public static class SubscriptionsResult extends Bean {\r
+               \r
+               public List<Resource> resources;\r
+               public List<String> names;\r
+               \r
+               public String[] toNames() {\r
+                       return names.toArray( new String[names.size()] );\r
+               }\r
+               \r
+               public String getName(Resource resource)\r
+               {\r
+                       if (resource==null) return null;\r
+                       for ( int i=0; i<resources.size(); i++ ) {                              \r
+                               if ( resource.equals( resources.get(i) ) ) return names.get(i);\r
+                       }\r
+                       return null;\r
+               }\r
+               \r
+       }\r
+\r
+       public SubscriptionsQuery(Resource resource) {\r
+               super(resource);\r
+       }\r
+\r
+\r
+       @Override\r
+       public SubscriptionsResult perform(ReadGraph graph) throws DatabaseException {\r
+               Layer0 L0 = Layer0.getInstance(graph);\r
+               ModelingResources MOD = ModelingResources.getInstance(graph);\r
+               \r
+               SubscriptionsResult result = new SubscriptionsResult();\r
+               result.init();\r
+               \r
+       for (Resource r : graph.getObjects(resource, L0.ConsistsOf)) {\r
+               if ( !graph.isInstanceOf(r, MOD.Subscription) ) continue;\r
+               String label = graph.getPossibleRelatedValue(r, L0.HasLabel);\r
+               result.resources.add( r );\r
+               result.names.add( label == null ? "" : label );\r
+       }\r
+               \r
+               return result;\r
+       }\r
+       \r
+}\r