bundles/org.simantics.modeling/src/org/simantics/modeling/subscription/NewSubscriptionItem.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.modeling.subscription;\r
  13 \r
  14 import java.util.UUID;\r
  15 \r
  16 import org.simantics.databoard.Bindings;\r
  17 import org.simantics.databoard.Databoard;\r
  18 import org.simantics.databoard.binding.Binding;\r
  19 import org.simantics.databoard.type.Datatype;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.WriteGraph;\r
  22 import org.simantics.db.common.CommentMetadata;\r
  23 import org.simantics.db.common.request.WriteRequest;\r
  24 import org.simantics.db.exception.DatabaseException;\r
  25 import org.simantics.db.layer0.variable.RVI;\r
  26 import org.simantics.layer0.Layer0;\r
  27 import org.simantics.modeling.ModelingResources;\r
  28 \r
  29 /**\r
  30  * Request to create new subscription item\r
  31  * \r
  32  * @author toni.kalajainen\r
  33  */\r
  34 public class NewSubscriptionItem extends WriteRequest {\r
  35         \r
  36         Resource subscription;\r
  37         Double interval, deadband, gain, bias;\r
  38         String unit, label;\r
  39         RVI variableId;\r
  40         Datatype datatype;\r
  41         public Resource subscriptionItem;\r
  42         \r
  43         public NewSubscriptionItem(Resource subscription, Double interval,\r
  44                         Double deadband, Double gain, Double bias, String unit,\r
  45                         String label, RVI variableId, Datatype datatype) {\r
  46                 super();\r
  47                 this.subscription = subscription;\r
  48                 this.interval = interval;\r
  49                 this.deadband = deadband;\r
  50                 this.gain = gain;\r
  51                 this.bias = bias;\r
  52                 this.unit = unit;\r
  53                 this.label = label;\r
  54                 this.variableId = variableId;\r
  55                 this.datatype = datatype;\r
  56         }\r
  57 \r
  58         @Override\r
  59         public void perform(WriteGraph graph) throws DatabaseException \r
  60         {\r
  61                 ModelingResources mr = ModelingResources.getInstance(graph);\r
  62                 Layer0 l0 = Layer0.getInstance(graph);\r
  63         subscriptionItem = graph.newResource();\r
  64         graph.claim(subscriptionItem, l0.InstanceOf, null, mr.Subscription_Item);\r
  65         graph.claim(subscription, l0.ConsistsOf, subscriptionItem);\r
  66         graph.claimLiteral(subscriptionItem, l0.HasName, UUID.randomUUID().toString(), Bindings.STRING);\r
  67         graph.claimLiteral(subscriptionItem, l0.HasLabel, label, Bindings.STRING);\r
  68 \r
  69         if (datatype != null)\r
  70             graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Datatype,\r
  71                     l0.DataType, datatype,\r
  72                     Bindings.getBindingUnchecked(Datatype.class));\r
  73         \r
  74         if (interval!=null) graph.claimLiteral(subscriptionItem, mr.Subscription_Item_SamplingInterval, interval, Bindings.DOUBLE);\r
  75         if (deadband!=null) graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Deadband, deadband, Bindings.DOUBLE);\r
  76         if (unit!=null) graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Unit, unit, Bindings.STRING);\r
  77         if (gain!=null) graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Gain, gain, Bindings.DOUBLE);\r
  78         if (bias!=null) graph.claimLiteral(subscriptionItem, mr.Subscription_Item_Bias, bias, Bindings.DOUBLE);\r
  79         \r
  80         Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );        \r
  81         graph.claimLiteral(subscriptionItem, mr.Subscription_Item_VariableId, l0.RVI, variableId, rviBinding);\r
  82         \r
  83         CommentMetadata cm = graph.getMetadata(CommentMetadata.class);\r
  84         graph.addMetadata(cm.add("Added new subscription " + label + " " + subscriptionItem + " "));\r
  85         }\r
  86 \r
  87 }\r