bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/function/StandardChildDomainChildren.java

   1 package org.simantics.db.layer0.function;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.Map;\r
   5 import java.util.Set;\r
   6 \r
   7 import org.simantics.db.ReadGraph;\r
   8 import org.simantics.db.Resource;\r
   9 import org.simantics.db.exception.DatabaseException;\r
  10 import org.simantics.db.layer0.variable.AbstractVariable;\r
  11 import org.simantics.db.layer0.variable.Variable;\r
  12 import org.simantics.db.layer0.variable.VariableMapImpl;\r
  13 \r
  14 import gnu.trove.set.hash.THashSet;\r
  15 \r
  16 public class StandardChildDomainChildren extends VariableMapImpl {\r
  17 \r
  18         @Override\r
  19         public Variable getVariable(ReadGraph graph, Variable context, String name) throws DatabaseException {\r
  20                 return getStandardChildDomainChildVariable(graph, context, name);\r
  21         }\r
  22 \r
  23         @Override\r
  24         public Map<String, Variable> getVariables(ReadGraph graph, Variable context, Map<String, Variable> map) throws DatabaseException {\r
  25             return getStandardChildDomainChildVariables(graph, context, map);\r
  26         }\r
  27 \r
  28     public static Variable getStandardChildDomainChildVariable(ReadGraph graph, Variable context, String name) throws DatabaseException {\r
  29         Resource graphChild = All.getPossibleGraphChild(graph, context, name);\r
  30         return getStandardChildDomainChildVariable(graph, context, graphChild, name);\r
  31     }\r
  32 \r
  33     public static Variable getStandardChildDomainChildVariable(ReadGraph graph, Variable context, Resource graphChild, String name) throws DatabaseException {\r
  34         AbstractVariable variable = (AbstractVariable)context;\r
  35         Object childNode = All.getPossibleNodeChild(graph, variable, name);\r
  36         if(graphChild != null)\r
  37                 return All.buildChildVariable(graph, context, graphChild, childNode);\r
  38         if(childNode != null)\r
  39                 return All.createStandardGraphChildVariable(variable, childNode);\r
  40         return null;\r
  41     }\r
  42     \r
  43     public static Map<String, Variable> getStandardChildDomainChildVariables(ReadGraph graph, Variable context, Map<String, Variable> map) throws DatabaseException {\r
  44         Map<String,Resource> graphChildren = All.getPossibleGraphChildren(graph, context);\r
  45         return StandardChildDomainChildren.getStandardChildDomainChildVariables(graph, context, graphChildren, map);\r
  46     }\r
  47 \r
  48     public static Map<String, Variable> getStandardChildDomainChildVariables(ReadGraph graph, Variable context, Map<String,Resource> graphChildren, Map<String, Variable> map) throws DatabaseException {\r
  49             \r
  50         AbstractVariable variable = (AbstractVariable)context;\r
  51         \r
  52         Collection<Object> nodeChildren = All.getPossibleNodeChildren(graph, variable);\r
  53         \r
  54         if(graphChildren.isEmpty() && nodeChildren.isEmpty()) return map;\r
  55         \r
  56         Set<String> used = new THashSet<String>(nodeChildren.size());\r
  57 \r
  58         map = All.ensureVariableMap(map, graphChildren.size());\r
  59 \r
  60         for(Object nodeChild : nodeChildren) {\r
  61             String name = All.getNodeName(variable, nodeChild);\r
  62             used.add(name);\r
  63             Resource graphChild = graphChildren.get(name); \r
  64             if(graphChild != null){\r
  65                 Variable var = All.buildChildVariable(graph, context, graphChild, nodeChild);\r
  66                 if(var != null) {\r
  67                     map.put(name, var);\r
  68                     continue;\r
  69                 }\r
  70             }\r
  71             map.put(name, All.createStandardGraphChildVariable(variable, nodeChild));\r
  72         }\r
  73         \r
  74         for(Map.Entry<String, Resource> entry : graphChildren.entrySet()) {\r
  75             String name = entry.getKey();\r
  76             if(used.contains(name)) continue;\r
  77             Resource child = entry.getValue();\r
  78             Variable var = All.buildChildVariable(graph, context, child, null);\r
  79             if(var != null) map.put(name, var);\r
  80         }\r
  81         \r
  82         return map;\r
  83         \r
  84     }\r
  85     \r
  86 }\r