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