1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.charts.ui;
14 import java.util.ArrayList;
15 import java.util.Collection;
16 import java.util.List;
17 import java.util.UUID;
19 import org.eclipse.core.runtime.preferences.IEclipsePreferences;
20 import org.eclipse.core.runtime.preferences.InstanceScope;
21 import org.simantics.databoard.Bindings;
22 import org.simantics.databoard.Databoard;
23 import org.simantics.databoard.binding.Binding;
24 import org.simantics.databoard.type.Datatype;
25 import org.simantics.db.Resource;
26 import org.simantics.db.WriteGraph;
27 import org.simantics.db.common.CommentMetadata;
28 import org.simantics.db.common.request.WriteRequest;
29 import org.simantics.db.exception.DatabaseException;
30 import org.simantics.db.layer0.variable.RVI;
31 import org.simantics.db.layer0.variable.VariableReference;
32 import org.simantics.layer0.Layer0;
33 import org.simantics.modeling.ModelingResources;
34 import org.simantics.modeling.preferences.SubscriptionPreferences;
37 * @author Tuukka Lehtonen
39 public class AddSubscriptionItems extends WriteRequest {
41 Resource subscription;
42 Collection<VariableReference> references;
43 public List<Resource> result;
45 private AddSubscriptionItems(Resource subscription, Collection<VariableReference> references) {
46 this.subscription = subscription;
47 this.references = references;
51 public void perform(WriteGraph graph) throws DatabaseException {
52 Layer0 l0 = Layer0.getInstance(graph);
53 ModelingResources mr = ModelingResources.getInstance(graph);
54 result = new ArrayList<Resource>(references.size());
56 for (VariableReference ref : references) {
57 if (ref.getVariableId() == null)
60 Resource subscriptionItem = graph.newResource();
61 graph.claim(subscriptionItem, l0.InstanceOf, null, mr.Subscription_Item);
62 graph.claim(subscription, l0.ConsistsOf, subscriptionItem);
63 graph.claimLiteral(subscriptionItem, l0.HasName, UUID.randomUUID().toString(), Bindings.STRING);
64 if (ref.getLabel() != null)
65 graph.claimLiteral(subscriptionItem, l0.HasLabel, ref.getLabel(), Bindings.STRING);
66 Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );
67 graph.claimLiteral(subscriptionItem, mr.Subscription_Item_VariableId, l0.RVI, ref.getVariableId(), rviBinding);
69 if (ref.getDatatype() != null)
70 graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Datatype,
71 l0.DataType, ref.getDatatype(),
72 Bindings.getBindingUnchecked(Datatype.class));
74 IEclipsePreferences pn = InstanceScope.INSTANCE.getNode( SubscriptionPreferences.P_NODE );
78 Double si = pn.getDouble(SubscriptionPreferences.P_SUBSCRIPTION_INTERVAL, SubscriptionPreferences.DEFAULT_SUBSCRIPTION_INTERVAL);
80 graph.claimLiteral(subscriptionItem, mr.Subscription_Item_SamplingInterval, si, Bindings.DOUBLE);
86 Double db = pn.getDouble(SubscriptionPreferences.P_SUBSCRIPTION_DEADBAND, SubscriptionPreferences.DEFAULT_SUBSCRIPTION_DEADBAND);
88 graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Deadband, db, Bindings.DOUBLE);
92 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
93 graph.addMetadata(cm.add("Created subscription item " + subscriptionItem + " [" + ref.getVariableId().toString(graph) + "]"));
95 result.add( subscriptionItem );