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

   1 package org.simantics.sysdyn.modelImport.model.expression;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.List;\r
   5 \r
   6 import org.simantics.databoard.Bindings;\r
   7 import org.simantics.db.ReadGraph;\r
   8 import org.simantics.db.Resource;\r
   9 import org.simantics.db.WriteGraph;\r
  10 import org.simantics.db.common.utils.ListUtils;\r
  11 import org.simantics.db.exception.DatabaseException;\r
  12 import org.simantics.sysdyn.SysdynResource;\r
  13 import org.simantics.sysdyn.modelImport.model.WriteContext;\r
  14 import org.simantics.sysdyn.modelImport.model.support.Enumeration;\r
  15 \r
  16 public class EnumerationExpression extends Expression {\r
  17         \r
  18         private List<Enumeration> enumerations;\r
  19         private List<EnumerationSubExpression> subExpressions;\r
  20         \r
  21         public EnumerationExpression(List<Enumeration> enumerations) {\r
  22                 this.enumerations = enumerations;\r
  23                 this.subExpressions = new ArrayList<EnumerationSubExpression>();\r
  24         }\r
  25         \r
  26         public void addExpression(Expression expression, String...indices) {\r
  27                 subExpressions.add(new EnumerationSubExpression(expression, indices));\r
  28         }\r
  29         \r
  30         @Override\r
  31         public Resource write(WriteGraph graph, Resource parent, WriteContext context) throws DatabaseException {\r
  32                 SysdynResource sr = SysdynResource.getInstance(graph);\r
  33                 \r
  34                 for (EnumerationSubExpression subexpr : subExpressions) {\r
  35                         StringBuilder range = new StringBuilder();\r
  36                         range.append('[');\r
  37                         for (int i = 0; i < subexpr.indices.length; i++) {\r
  38                                 if (i > 0)\r
  39                                         range.append(',');\r
  40                                 range.append(subexpr.indices[i]);\r
  41                         }\r
  42                         range.append(']');\r
  43                         \r
  44                         Resource res = subexpr.expression.write(graph, parent, context);\r
  45                         \r
  46                         graph.claimLiteral(res, sr.Expression_arrayRange, range.toString(), Bindings.STRING);\r
  47                 }\r
  48                 \r
  49                 ArrayList<Resource> indexlist = new ArrayList<Resource>();\r
  50                 for (Enumeration enumeration : enumerations) {\r
  51                         indexlist.add(enumeration.getResource());\r
  52                 }\r
  53                 \r
  54                 // write array index list\r
  55                 graph.claim(parent, sr.Variable_arrayIndexesList, ListUtils.create(graph, indexlist));\r
  56                 \r
  57                 // TODO: set active expression?\r
  58                 \r
  59                 return getResource();\r
  60         }\r
  61 \r
  62         @Override\r
  63         public Resource getExpressionType(ReadGraph graph) {\r
  64                 return subExpressions.get(0).expression.getExpressionType(graph);\r
  65         }\r
  66         \r
  67         @Override\r
  68         public Resource getResource() {\r
  69                 return subExpressions.get(0).expression.getResource();\r
  70         }\r
  71         \r
  72         private class EnumerationSubExpression {\r
  73                 \r
  74                 Expression expression;\r
  75                 String[] indices;\r
  76                 \r
  77                 public EnumerationSubExpression(Expression expression, String...indices) {\r
  78                         this.expression = expression;\r
  79                         this.indices = indices;\r
  80                 }\r
  81         }\r
  82 }\r