Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/AddSubscriptionItems.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/AddSubscriptionItems.java
new file mode 100644 (file)
index 0000000..a3b0d78
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/AddSubscriptionItems.java
@@ -0,0 +1,99 @@
+/*******************************************************************************\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.modeling.subscription;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+import java.util.List;\r
+import java.util.UUID;\r
+\r
+import org.eclipse.core.runtime.preferences.IEclipsePreferences;\r
+import org.eclipse.core.runtime.preferences.InstanceScope;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.Databoard;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.CommentMetadata;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.RVI;\r
+import org.simantics.db.layer0.variable.VariableReference;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.modeling.preferences.SubscriptionPreferences;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class AddSubscriptionItems extends WriteRequest {\r
+\r
+    Resource                      subscription;\r
+    Collection<VariableReference> references;\r
+    public List<Resource>         result;\r
+\r
+    public AddSubscriptionItems(Resource subscription, Collection<VariableReference> references) {\r
+        this.subscription = subscription;\r
+        this.references = references;\r
+    }\r
+\r
+    @Override\r
+    public void perform(WriteGraph graph) throws DatabaseException {\r
+        Layer0 l0 = Layer0.getInstance(graph);\r
+        ModelingResources mr = ModelingResources.getInstance(graph);\r
+        result = new ArrayList<Resource>(references.size());\r
+\r
+        for (VariableReference ref : references) {\r
+            if (ref.getVariableId() == null)\r
+                continue;\r
+\r
+            Resource subscriptionItem = graph.newResource();\r
+            graph.claim(subscriptionItem, l0.InstanceOf, null, mr.Subscription_Item);\r
+            graph.claim(subscription, l0.ConsistsOf, subscriptionItem);\r
+            graph.claimLiteral(subscriptionItem, l0.HasName, UUID.randomUUID().toString(), Bindings.STRING);\r
+            if (ref.getLabel() != null)\r
+                graph.claimLiteral(subscriptionItem, l0.HasLabel, ref.getLabel(), Bindings.STRING);\r
+               Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );            \r
+            graph.claimLiteral(subscriptionItem, mr.Subscription_Item_VariableId, l0.RVI, ref.getVariableId(), rviBinding);\r
+\r
+            if (ref.getDatatype() != null)\r
+                graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Datatype,\r
+                        l0.DataType, ref.getDatatype(),\r
+                        Bindings.getBindingUnchecked(Datatype.class));\r
+            \r
+            IEclipsePreferences pn = InstanceScope.INSTANCE.getNode( SubscriptionPreferences.P_NODE );\r
+            \r
+            // Interval\r
+            {                  \r
+                Double si = pn.getDouble(SubscriptionPreferences.P_SUBSCRIPTION_INTERVAL, SubscriptionPreferences.DEFAULT_SUBSCRIPTION_INTERVAL);\r
+                if ( si != null ) {\r
+                       graph.claimLiteral(subscriptionItem, mr.Subscription_Item_SamplingInterval, si, Bindings.DOUBLE);\r
+                }\r
+            }\r
+            \r
+            // Deadband\r
+            {                  \r
+                Double db = pn.getDouble(SubscriptionPreferences.P_SUBSCRIPTION_DEADBAND, SubscriptionPreferences.DEFAULT_SUBSCRIPTION_DEADBAND);\r
+                if ( db != null ) {\r
+                       graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Deadband, db, Bindings.DOUBLE);\r
+                }\r
+            }\r
+            \r
+            CommentMetadata cm = graph.getMetadata(CommentMetadata.class);\r
+            graph.addMetadata(cm.add("Created subscription item " + subscriptionItem + " [" + ref.getVariableId().toString(graph) + "]"));\r
+            \r
+            result.add( subscriptionItem );\r
+        }\r
+    }\r
+\r
+}\r