protected override void InvokeInternal(CommandProcessorContext cpc)
{
// safety check, this should never be hit
Debug.Assert(
_conceptualEntityType != null && _function != null,
"InvokeInternal is called when _conceptualEntityType or _function is null");
if (_conceptualEntityType == null ||
_function == null)
{
throw new InvalidOperationException("InvokeInternal is called when _conceptualEntityType or _function is null");
}
// see if we have the ETM we need, if not create it
var entityTypeMapping = ModelHelper.FindEntityTypeMapping(
cpc,
_conceptualEntityType,
EntityTypeMappingKind.Function,
true);
Debug.Assert(entityTypeMapping != null, "Failed to create the EntityTypeMapping to house this item");
if (entityTypeMapping == null)
{
throw new ParentItemCreationFailureException();
}
// if we created a new ETM, then we'll need to also create the ModificationFunctionMapping
if (entityTypeMapping.ModificationFunctionMapping == null)
{
entityTypeMapping.ModificationFunctionMapping = new ModificationFunctionMapping(entityTypeMapping, null);
XmlModelHelper.NormalizeAndResolve(entityTypeMapping.ModificationFunctionMapping);
}
Debug.Assert(
entityTypeMapping.ModificationFunctionMapping != null,
"Failed to create the ModificationFunctionMapping node to house this item");
if (entityTypeMapping.ModificationFunctionMapping == null)
{
throw new ParentItemCreationFailureException();
}
// now go and actually create the item
if (_type == ModificationFunctionType.Insert)
{
_modificationFunction = new InsertFunction(entityTypeMapping.ModificationFunctionMapping, null);
entityTypeMapping.ModificationFunctionMapping.InsertFunction = _modificationFunction as InsertFunction;
}
else if (_type == ModificationFunctionType.Update)
{
_modificationFunction = new UpdateFunction(entityTypeMapping.ModificationFunctionMapping, null);
entityTypeMapping.ModificationFunctionMapping.UpdateFunction = _modificationFunction as UpdateFunction;
}
else if (_type == ModificationFunctionType.Delete)
{
_modificationFunction = new DeleteFunction(entityTypeMapping.ModificationFunctionMapping, null);
entityTypeMapping.ModificationFunctionMapping.DeleteFunction = _modificationFunction as DeleteFunction;
}
Debug.Assert(_modificationFunction != null, "Failed to create the new function mapping");
if (_modificationFunction == null)
{
throw new ItemCreationFailureException();
}
// set the function into the function mapping
_modificationFunction.FunctionName.SetRefName(_function);
// set the RowsAffectedParameter
var cmd = new SetRowsAffectedParameterCommand(_modificationFunction, _rowsAffectedParameter);
CommandProcessor.InvokeSingleCommand(cpc, cmd);
XmlModelHelper.NormalizeAndResolve(_modificationFunction);
}
protected override void InvokeInternal(CommandProcessorContext cpc)
{
// safety check, this should never be hit
Debug.Assert(
_conceptualEntityType != null && _function != null,
"InvokeInternal is called when _conceptualEntityType or _function is null");
if (_conceptualEntityType == null
|| _function == null)
{
throw new InvalidOperationException("InvokeInternal is called when _conceptualEntityType or _function is null");
}
// see if we have the ETM we need, if not create it
var entityTypeMapping = ModelHelper.FindEntityTypeMapping(
cpc,
_conceptualEntityType,
EntityTypeMappingKind.Function,
true);
Debug.Assert(entityTypeMapping != null, "Failed to create the EntityTypeMapping to house this item");
if (entityTypeMapping == null)
{
throw new ParentItemCreationFailureException();
}
// if we created a new ETM, then we'll need to also create the ModificationFunctionMapping
if (entityTypeMapping.ModificationFunctionMapping == null)
{
entityTypeMapping.ModificationFunctionMapping = new ModificationFunctionMapping(entityTypeMapping, null);
XmlModelHelper.NormalizeAndResolve(entityTypeMapping.ModificationFunctionMapping);
}
Debug.Assert(
entityTypeMapping.ModificationFunctionMapping != null,
"Failed to create the ModificationFunctionMapping node to house this item");
if (entityTypeMapping.ModificationFunctionMapping == null)
{
throw new ParentItemCreationFailureException();
}
// now go and actually create the item
if (_type == ModificationFunctionType.Insert)
{
_modificationFunction = new InsertFunction(entityTypeMapping.ModificationFunctionMapping, null);
entityTypeMapping.ModificationFunctionMapping.InsertFunction = _modificationFunction as InsertFunction;
}
else if (_type == ModificationFunctionType.Update)
{
_modificationFunction = new UpdateFunction(entityTypeMapping.ModificationFunctionMapping, null);
entityTypeMapping.ModificationFunctionMapping.UpdateFunction = _modificationFunction as UpdateFunction;
}
else if (_type == ModificationFunctionType.Delete)
{
_modificationFunction = new DeleteFunction(entityTypeMapping.ModificationFunctionMapping, null);
entityTypeMapping.ModificationFunctionMapping.DeleteFunction = _modificationFunction as DeleteFunction;
}
Debug.Assert(_modificationFunction != null, "Failed to create the new function mapping");
if (_modificationFunction == null)
{
throw new ItemCreationFailureException();
}
// set the function into the function mapping
_modificationFunction.FunctionName.SetRefName(_function);
// set the RowsAffectedParameter
var cmd = new SetRowsAffectedParameterCommand(_modificationFunction, _rowsAffectedParameter);
CommandProcessor.InvokeSingleCommand(cpc, cmd);
XmlModelHelper.NormalizeAndResolve(_modificationFunction);
}
