Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / variable / SubliteralPropertyVariable.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/SubliteralPropertyVariable.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/SubliteralPropertyVariable.java
new file mode 100644 (file)
index 0000000..3571453
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/SubliteralPropertyVariable.java
@@ -0,0 +1,173 @@
+package org.simantics.db.layer0.variable;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.accessor.reference.ChildReference;\r
+import org.simantics.databoard.accessor.reference.IndexReference;\r
+import org.simantics.databoard.accessor.reference.NameReference;\r
+import org.simantics.databoard.adapter.AdaptException;\r
+import org.simantics.databoard.binding.ArrayBinding;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.binding.RecordBinding;\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.type.ArrayType;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.databoard.type.RecordType;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.exception.RuntimeDatabaseException;\r
+\r
+public class SubliteralPropertyVariable extends StandardGraphPropertyVariable {\r
+       \r
+       private final ChildReference reference;\r
+\r
+       public SubliteralPropertyVariable(ReadGraph graph, Variable parent, Resource predicate, ChildReference reference) throws DatabaseException {\r
+               super(graph, parent, null, predicate);\r
+               this.reference = reference;\r
+       }\r
+\r
+       @Override\r
+       public Datatype getDatatype(ReadGraph graph) throws DatabaseException {\r
+               Datatype parentType = parent.getDatatype(graph);\r
+               if(parentType instanceof ArrayType) {\r
+                       ArrayType at = (ArrayType)parentType;\r
+                       return at.getComponentType(0);\r
+               } else if(parentType instanceof RecordType) {\r
+                       RecordType rt = (RecordType)parentType;\r
+                       NameReference nr = (NameReference)reference;\r
+                       return rt.getComponent(nr.name).type;\r
+               }\r
+               return null;\r
+       }\r
+\r
+       @SuppressWarnings("unchecked")\r
+       @Override\r
+       public <T> T getValue(ReadGraph graph) throws DatabaseException {\r
+               Object parentValue = parent.getValue(graph);\r
+               Datatype parentType = parent.getDatatype(graph);\r
+               Binding parentBinding = Bindings.getBinding(parentType);\r
+               if (parentType instanceof ArrayType) {\r
+                       ArrayBinding ab = (ArrayBinding)parentBinding;\r
+                       IndexReference ref = (IndexReference)reference;\r
+                       try {\r
+                               return (T)ab.get(parentValue, ref.index);\r
+                       } catch (IndexOutOfBoundsException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (BindingException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       }\r
+               } else if (parentType instanceof RecordType) {\r
+                       RecordBinding rb = (RecordBinding)parentBinding;\r
+                       NameReference ref = (NameReference)reference;\r
+                       try {\r
+                               return (T)rb.getComponentObject(parentValue, ref.name);\r
+                       } catch (IndexOutOfBoundsException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (BindingException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       }\r
+               }\r
+\r
+               throw new RuntimeDatabaseException("parent variable data type " + parentType + " is not an ArrayType");\r
+       }\r
+\r
+       @SuppressWarnings("unchecked")\r
+       @Override\r
+       public <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException {\r
+               Object parentValue = parent.getValue(graph);\r
+               Datatype parentType = parent.getDatatype(graph);\r
+               Binding parentBinding = Bindings.getBinding(parentType);\r
+               if (parentType instanceof ArrayType) {\r
+                       ArrayBinding ab = (ArrayBinding)parentBinding;\r
+                       IndexReference ref = (IndexReference)reference;\r
+                       try {\r
+                               Object indexValue = ab.get(parentValue, ref.index);\r
+                               return (T) Bindings.adapt(indexValue, ab.getComponentBinding(), binding);\r
+                       } catch (IndexOutOfBoundsException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (BindingException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (AdaptException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       }\r
+               } else if (parentType instanceof RecordType) {\r
+                       RecordBinding rb = (RecordBinding)parentBinding;\r
+                       NameReference ref = (NameReference)reference;\r
+                       try {\r
+                               Object nameValue = (T)rb.getComponentObject(parentValue, ref.name); \r
+                               return (T) Bindings.adapt(nameValue, rb.getComponentBinding(ref.name), binding);\r
+                       } catch (IndexOutOfBoundsException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (BindingException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (AdaptException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       }\r
+               }\r
+\r
+               throw new RuntimeDatabaseException("parent variable data type " + parentType + " is not an ArrayType");\r
+       }\r
+\r
+       @Override\r
+       public void setValue(WriteGraph graph, Object value, Binding binding) throws DatabaseException {\r
+               Object parentValue = parent.getValue(graph);\r
+               Datatype parentType = parent.getDatatype(graph);\r
+               Binding parentBinding = Bindings.getBinding(parentType);\r
+               if(parentType instanceof ArrayType) {\r
+                       ArrayBinding ab = (ArrayBinding)parentBinding;\r
+                       IndexReference ref = (IndexReference)reference;\r
+                       try {\r
+                               Object copy = parentBinding.clone(parentValue);\r
+                               Object indexValue = Bindings.adapt(value, binding, ab.getComponentBinding());\r
+                               ab.set(copy, ref.index, indexValue);\r
+                               parent.setValue(graph, copy, parentBinding);\r
+                       } catch (IndexOutOfBoundsException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (BindingException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (AdaptException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       }\r
+               } else if(parentType instanceof RecordType) {\r
+                       RecordBinding rb = (RecordBinding)parentBinding;\r
+                       NameReference ref = (NameReference)reference;\r
+                       try {\r
+                               Object copy = parentBinding.clone(parentValue);\r
+                               Object indexValue = Bindings.adapt(value, binding, rb.getComponentBinding(ref.name));\r
+                               rb.setComponent(copy, ref.name, indexValue);\r
+                               parent.setValue(graph, copy, parentBinding);\r
+                       } catch (IndexOutOfBoundsException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (BindingException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       } catch (AdaptException e) {\r
+                               throw new RuntimeDatabaseException(e);\r
+                       }\r
+               }\r
+       }\r
+\r
+       @Override\r
+       public String getName(ReadGraph graph) throws DatabaseException {\r
+               return reference.toString(true);\r
+       }\r
+\r
+       @Override\r
+       public boolean equals(Object obj) {\r
+               \r
+               if(!super.equals(obj)) return false;\r
+               \r
+               if(!(obj instanceof SubliteralPropertyVariable)) return false;\r
+               \r
+               SubliteralPropertyVariable other = (SubliteralPropertyVariable)obj;\r
+               \r
+               return reference.equals(other.reference);\r
+               \r
+       }\r
+       \r
+       @Override\r
+       public int hashCode() {\r
+               return super.hashCode() + 31 * reference.hashCode();\r
+       }\r
+       \r
+}\r