private void EnsureWriteNode(Plan plan, Schema.Representation representation)
{
if (representation.WriteNode == null)
{
if (representation.Properties.Count > 1)
{
throw new SchemaException(SchemaException.Codes.InvalidConversionRepresentation, representation.Name, representation.ScalarType.Name);
}
plan.Symbols.Push(new Symbol("AValue", representation.ScalarType));
try
{
plan.Symbols.Push(new Symbol("ANewValue", representation.Properties[0].DataType));
try
{
representation.WriteNode = Compiler.Compile(plan, new AssignmentStatement(new QualifierExpression(new IdentifierExpression("AValue"), new IdentifierExpression(representation.Properties[0].Name)), new IdentifierExpression("ANewValue"))).Nodes[1];
}
finally
{
plan.Symbols.Pop();
}
}
finally
{
plan.Symbols.Pop();
}
}
}
public object GetAsNative(Schema.Representation representation, object tempValue)
{
EnsureReadNode(_plan, representation);
Program program = _serverProcess.ExecutingProgram;
program.Stack.Push(tempValue);
try
{
return(representation.ReadNode.Execute(program));
}
finally
{
program.Stack.Pop();
}
}
public IDataValue GetAsDataValue(Schema.Representation representation, object tempValue)
{
EnsureReadNode(_plan, representation);
Program program = _serverProcess.ExecutingProgram;
program.Stack.Push(tempValue);
try
{
return(DataValue.FromNative(this, representation.ScalarType, representation.ReadNode.Execute(program)));
}
finally
{
program.Stack.Pop();
}
}
