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