Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/AddSubscription.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/AddSubscription.java
new file mode 100644 (file)
index 0000000..6bc3506
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/AddSubscription.java
@@ -0,0 +1,119 @@
+/*******************************************************************************\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.Collection;\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.annotations.Optional;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.databoard.util.Bean;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.ObjectsWithType;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.util.RemoverUtil;\r
+import org.simantics.db.layer0.variable.RVI;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.modeling.preferences.SubscriptionPreferences;\r
+\r
+\r
+public class AddSubscription extends WriteRequest {\r
+\r
+    Resource         container;\r
+    String           subscriptionName;\r
+    Collection<Item> items;\r
+    boolean          overwrite;\r
+\r
+    public AddSubscription(Resource container, String subscriptionName, Collection<Item> items, boolean overwrite) {\r
+        this.container = container;\r
+        this.subscriptionName = subscriptionName; \r
+        this.items = items;\r
+        this.overwrite = overwrite;\r
+    }\r
+\r
+    @Override\r
+    public void perform(WriteGraph graph) throws DatabaseException {\r
+        Layer0 l0 = Layer0.getInstance(graph);\r
+        ModelingResources mod = ModelingResources.getInstance(graph);\r
+\r
+        IEclipsePreferences pn = InstanceScope.INSTANCE.getNode( SubscriptionPreferences.P_NODE );\r
+        Double defaultSubscriptionItemInterval = pn.getDouble(SubscriptionPreferences.P_SUBSCRIPTION_INTERVAL, SubscriptionPreferences.DEFAULT_SUBSCRIPTION_INTERVAL);\r
+        Double defaultSubscriptionItemDeadband = pn.getDouble(SubscriptionPreferences.P_SUBSCRIPTION_DEADBAND, SubscriptionPreferences.DEFAULT_SUBSCRIPTION_DEADBAND); \r
+\r
+        if (overwrite) {\r
+            for (Resource existing : graph.syncRequest(new ObjectsWithType(container, l0.ConsistsOf, mod.Subscription))) {\r
+                String name = graph.getPossibleRelatedValue(existing, l0.HasName, Bindings.STRING);\r
+                if (subscriptionName.equals(name)) {\r
+                    RemoverUtil.remove(graph, existing);\r
+                }\r
+            }\r
+        }\r
+\r
+        Resource subscription = graph.newResource();\r
+        graph.claim(subscription, l0.InstanceOf, null, mod.Subscription);\r
+        String freshName = NameUtils.findFreshName(graph, subscriptionName, container);\r
+        graph.claimLiteral(subscription, l0.HasName, freshName);\r
+        graph.claimLiteral(subscription, l0.HasLabel, freshName);\r
+        graph.claim(container, l0.ConsistsOf, subscription);\r
+\r
+       Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );\r
+        for (Item item : items) {\r
+            Resource subscriptionItem = graph.newResource();\r
+            graph.claim(subscriptionItem, l0.InstanceOf, null, mod.Subscription_Item);\r
+            graph.claim(subscription, l0.ConsistsOf, subscriptionItem);\r
+            graph.claimLiteral(subscriptionItem, l0.HasName, UUID.randomUUID().toString(), Bindings.STRING);\r
+            if ( item.label!= null) graph.claimLiteral(subscriptionItem, l0.HasLabel, item.label, Bindings.STRING);\r
+            \r
+            graph.claimLiteral(subscriptionItem, mod.Subscription_Item_VariableId, l0.RVI, item.resolvedName, rviBinding);\r
+\r
+            Double interval = item.interval!=null ? item.interval : defaultSubscriptionItemInterval;\r
+            if (interval != null) {\r
+                graph.claimLiteral(subscriptionItem, mod.Subscription_Item_SamplingInterval, interval, Bindings.DOUBLE);\r
+            }\r
+            \r
+            Double deadband = item.deadband!=null ? item.deadband : defaultSubscriptionItemDeadband;\r
+            if (deadband != null) {\r
+                graph.claimLiteral(subscriptionItem, mod.Subscription_Item_Deadband, deadband, Bindings.DOUBLE);\r
+            }\r
+\r
+            if (item.gain != null) {\r
+                graph.claimLiteral(subscriptionItem, mod.Subscription_Item_Gain, item.gain, Bindings.DOUBLE);\r
+            }\r
+            \r
+            if (item.bias != null) {\r
+                graph.claimLiteral(subscriptionItem, mod.Subscription_Item_Deadband, item.bias, Bindings.DOUBLE);\r
+            }                \r
+            \r
+            if (item.datatype != null)\r
+                graph.claimLiteral(subscriptionItem, mod.Subscription_Item_Datatype,\r
+                        l0.DataType, item.datatype,\r
+                        Bindings.getBindingUnchecked(Datatype.class));\r
+        }\r
+    }\r
+\r
+    public static class Item extends Bean {\r
+       public RVI resolvedName;\r
+        public @Optional Double interval, deadband, gain, bias;\r
+        public @Optional String label;\r
+        public @Optional Datatype datatype;\r
+    }\r
+\r
+}\r