gerrit.simantics Code Review - simantics/sysdyn.git/blob

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010 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.sysdyn.ui.properties.widgets;\r
  13 \r
  14 import org.simantics.db.ReadGraph;\r
  15 import org.simantics.db.Resource;\r
  16 import org.simantics.db.exception.DatabaseException;\r
  17 import org.simantics.db.request.Read;\r
  18 import org.simantics.sysdyn.SysdynResource;\r
  19 import org.simantics.ui.SimanticsUI;\r
  20 \r
  21 /**\r
  22  * Expression type representations\r
  23  * @author Teemu Lempinen\r
  24  *\r
  25  */\r
  26 public class ExpressionTypes {\r
  27 \r
  28         public static enum ExpressionType {Auxiliary, Parameter, Constant, Lookup, WithLookup, Stock, Delay, Empty};\r
  29 \r
  30         public static ExpressionType[] auxiliaryExpressions = new ExpressionType[] {\r
  31                 ExpressionType.Auxiliary, \r
  32                 ExpressionType.Parameter, \r
  33                 ExpressionType.Constant, \r
  34                 ExpressionType.Delay,\r
  35                 // ExpressionType.Lookup, \r
  36                 ExpressionType.WithLookup};\r
  37 \r
  38         public static ExpressionType[] valveExpressions = new ExpressionType[] {\r
  39                 ExpressionType.Auxiliary, \r
  40                 ExpressionType.Parameter, \r
  41                 ExpressionType.Constant, \r
  42                 ExpressionType.Delay,\r
  43                 ExpressionType.WithLookup};\r
  44 \r
  45         public static ExpressionType[] stockExpressions = new ExpressionType[] {\r
  46                 ExpressionType.Stock};\r
  47 \r
  48         public static ExpressionType getExpressionType(final Resource expression) {\r
  49                 try {\r
  50                         return SimanticsUI.getSession().syncRequest(new Read<ExpressionType>() {\r
  51 \r
  52                                 @Override\r
  53                                 public ExpressionType perform(ReadGraph graph) throws DatabaseException {\r
  54                                         return getExpressionType(graph, expression);\r
  55                                 }\r
  56                         });\r
  57                 } catch (DatabaseException e) {\r
  58                         e.printStackTrace();\r
  59                         return null;\r
  60                 }\r
  61 \r
  62         }\r
  63         \r
  64         public static ExpressionType getExpressionType(ReadGraph graph, final Resource expression) throws DatabaseException {\r
  65                 ExpressionType et = null;\r
  66                 SysdynResource sr = SysdynResource.getInstance(graph);\r
  67                 if(graph.isInstanceOf(expression, sr.NormalExpression)) {\r
  68                         et = ExpressionType.Auxiliary;\r
  69                 } else if (graph.isInstanceOf(expression, sr.StockExpression)) {\r
  70                         et = ExpressionType.Stock;\r
  71                 } else if (graph.isInstanceOf(expression, sr.ParameterExpression)) {\r
  72                         et = ExpressionType.Parameter;\r
  73                 } else if (graph.isInstanceOf(expression, sr.ConstantExpression)) {\r
  74                         et = ExpressionType.Constant;\r
  75                 } else if (graph.isInstanceOf(expression, sr.DelayExpression)) {\r
  76                         et = ExpressionType.Delay;\r
  77                 } else if (graph.isInstanceOf(expression, sr.LookupExpression)) {\r
  78                         et = ExpressionType.Lookup;\r
  79                 } else if (graph.isInstanceOf(expression, sr.WithLookupExpression)) {\r
  80                         et = ExpressionType.WithLookup;\r
  81                 } else {\r
  82                         et =  ExpressionType.Empty;\r
  83                 }\r
  84                 return et;\r
  85         }\r
  86 \r
  87 }\r