Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/SubscriptionItemQuery.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/SubscriptionItemQuery.java
new file mode 100644 (file)
index 0000000..ba95ef1
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/SubscriptionItemQuery.java
@@ -0,0 +1,118 @@
+/*******************************************************************************\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.UUID;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.Databoard;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.PossibleTypedParent;\r
+import org.simantics.db.common.request.ResourceRead;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.request.PossibleActiveExperiment;\r
+import org.simantics.db.layer0.variable.RVI;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.ModelingResources;\r
+\r
+/**\r
+ * This query returns SubscriptionItem description\r
+ * \r
+ * @author Antti Villberg\r
+ */\r
+public class SubscriptionItemQuery extends ResourceRead<SubscriptionItem> {\r
+\r
+       public SubscriptionItemQuery(Resource resource) {\r
+               super(resource);\r
+       }\r
+\r
+       @SuppressWarnings("unused")\r
+       @Override\r
+       public SubscriptionItem perform(ReadGraph graph) throws DatabaseException {\r
+               \r
+        ModelingResources MOD = ModelingResources.getInstance(graph);\r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+\r
+        SubscriptionItem item = new SubscriptionItem();\r
+        \r
+        item.variableId = "";\r
+        item.groupItemId = "";\r
+        Resource subscriptionItem = resource;\r
+        Resource subscription = null;\r
+        if (subscriptionItem!=null) {\r
+               item.simpleLabel = graph.getPossibleRelatedValue(subscriptionItem, L0.HasLabel, Bindings.STRING);\r
+            subscription = graph.syncRequest( new PossibleTypedParent(subscriptionItem, MOD.Subscription) );           \r
+        }\r
+        if (item.simpleLabel==null) item.simpleLabel = "";\r
+        if (subscriptionItem != null) \r
+               SubscriptionItem: { \r
+               \r
+                       label2: {\r
+                               item.groupItemId = graph.getPossibleRelatedValue(subscriptionItem, L0.HasName, Bindings.STRING);\r
+                               if (item.groupItemId == null) break SubscriptionItem;\r
+\r
+                               Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );\r
+                           RVI rvi = graph.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_VariableId, rviBinding);\r
+                           if (rvi == null) break SubscriptionItem;        \r
+                           //variablePersistentId = rvi.toString();\r
+                           \r
+                                       Variable configuration = Variables.getPossibleConfigurationContext(graph, subscription);\r
+                                       if (configuration == null) break SubscriptionItem;\r
+                                       \r
+                                       Resource activeExperiment = graph.syncRequest(new PossibleActiveExperiment(subscription));\r
+                                       if (activeExperiment != null) {\r
+                                               Variable experimentVariable = null;\r
+                                               try {\r
+                                                       experimentVariable = Variables.switchRealization(graph, configuration, activeExperiment);\r
+                                               } catch (DatabaseException e) {\r
+                                                       experimentVariable = Variables.switchPossibleContext(graph, configuration, activeExperiment);\r
+                                               }\r
+                                               if (experimentVariable != null) {\r
+                                                       configuration = experimentVariable;\r
+                                               }\r
+                                       }\r
+\r
+                                       item.variableId = item.variableReference = rvi.toPossibleString(graph, configuration);\r
+                           if (item.variableId == null) break SubscriptionItem;\r
+\r
+                           if (item.simpleLabel.isEmpty()) {\r
+                               item.simpleLabel = SubscriptionItemLabel.removeVariablePrefixPath( item.variableId );\r
+                           }\r
+                       }\r
+                       \r
+                       subscription: {\r
+                           if (subscription!=null) {\r
+                               item.groupId = graph.getPossibleRelatedValue(subscription, L0.HasName, Bindings.STRING);\r
+                           } else {\r
+                               item.groupId = UUID.randomUUID().toString();\r
+                           }\r
+                       }\r
+                       \r
+                       unit: {\r
+                           item.unit = graph.getPossibleRelatedValue(subscriptionItem, MOD.Subscription_Item_Unit, Bindings.STRING);\r
+                       }\r
+                       \r
+        } \r
+        \r
+        if (item.groupItemId==null) item.groupItemId = "";\r
+        if (item.variableId==null) item.variableId = "";\r
+        if (item.groupId==null) item.groupId = "";\r
+        if (item.unit==null) item.unit = "";\r
+        \r
+        return item;\r
+       }\r
+\r
+}\r