internal static FunctionImport CreateFunctionImport(
EditingContext editingContext,
EFArtifact artifact,
Function selectedSproc,
StorageEntityModel sModel,
ConceptualEntityModel cModel,
ConceptualEntityContainer cContainer,
EntityType entityType,
string originatingId)
{
FunctionImport functionImportResult = null;
Debug.Assert(editingContext != null, "editingContext should not be null");
Debug.Assert(artifact != null, "artifact should not be null");
Debug.Assert(!string.IsNullOrEmpty(originatingId), "originatingId should not be null or empty");
// show dialog appropriate to framework version
var result = ShowNewFunctionImportDialog(
selectedSproc,
null /* selectedSprocName Parameter */,
sModel,
cModel,
cContainer,
DialogsResource.NewFunctionImportDialog_AddFunctionImportTitle,
entityType);
// if user selected OK on the dialog then create the FunctionImport
if (DialogResult.OK == result.DialogResult)
{
var commands = new Collection <Command>();
CreateComplexTypeCommand createComplexTypeCommand = null;
// Make the decision based on what is returned by the dialog.
// If return type is a string and result schema is not null, that means the user would like create a new complex type for the function import return.
if (result.ReturnType is string &&
result.Schema != null)
{
createComplexTypeCommand = CreateMatchingFunctionImportCommand.AddCreateComplexTypeCommands(
sModel, result.ReturnType as string, result.Schema.RawColumns, commands);
}
// If ReturnType is a complex type and result schema is not null, the complex type needs to be updated to be in sync with schema columns.
else if (result.ReturnType is ComplexType &&
result.Schema != null)
{
var complexType = result.ReturnType as ComplexType;
var propertiesDictionary = complexType.Properties().ToDictionary(p => p.LocalName.Value);
CreateMatchingFunctionImportCommand.AddChangeComplexTypePropertiesCommands(
complexType, propertiesDictionary, result.Schema.RawColumns, commands);
}
CreateFunctionImportCommand cmdFuncImp;
if (createComplexTypeCommand == null)
{
cmdFuncImp = new CreateFunctionImportCommand(cContainer, result.Function, result.FunctionName, result.ReturnType);
}
else
{
// Pass in the pre-req command to create complex type to the command.
cmdFuncImp = new CreateFunctionImportCommand(cContainer, result.Function, result.FunctionName, createComplexTypeCommand);
}
commands.Add(cmdFuncImp);
// now add a FunctionImport and a FunctionImportMapping (if appropriate)
if (artifact.MappingModel() != null &&
artifact.MappingModel().FirstEntityContainerMapping != null)
{
var cmdFuncImpMapping = new CreateFunctionImportMappingCommand(
artifact.MappingModel().FirstEntityContainerMapping, result.Function, cmdFuncImp.Id);
cmdFuncImpMapping.AddPreReqCommand(cmdFuncImp);
commands.Add(cmdFuncImpMapping);
IDictionary <string, string> mapPropertyNameToColumnName = null;
if (result.Schema != null)
{
mapPropertyNameToColumnName =
ModelHelper.ConstructComplexTypePropertyNameToColumnNameMapping(
result.Schema.Columns.Select(c => c.Name).ToList());
}
// Create explicit function-import result type mapping if the return type is a complex type.
if (createComplexTypeCommand != null)
{
commands.Add(
new CreateFunctionImportTypeMappingCommand(cmdFuncImpMapping, createComplexTypeCommand)
{
CreateDefaultScalarProperties = true,
PropertyNameToColumnNameMap = mapPropertyNameToColumnName
});
}
else if (result.ReturnType is ComplexType)
{
commands.Add(
new CreateFunctionImportTypeMappingCommand(cmdFuncImpMapping, result.ReturnType as ComplexType)
{
CreateDefaultScalarProperties = true,
PropertyNameToColumnNameMap = mapPropertyNameToColumnName
});
}
}
var cp = new CommandProcessor(editingContext, originatingId, Resources.Tx_CreateFunctionImport, commands);
cp.Invoke();
functionImportResult = cmdFuncImp.FunctionImport;
NavigateToFunction(functionImportResult);
}
return(functionImportResult);
}
internal static void EditFunctionImport(
EditingContext editingContext,
FunctionImport functionImport,
StorageEntityModel sModel,
ConceptualEntityModel cModel,
ConceptualEntityContainer cContainer,
object selectedObject,
string originatingId)
{
Debug.Assert(editingContext != null, "editingContext should not be null");
Debug.Assert(!string.IsNullOrEmpty(originatingId), "originatingId should not be null or empty");
// show dialog appropriate to framework version
var result = ShowNewFunctionImportDialog(
functionImport.Function,
functionImport.LocalName.Value,
sModel,
cModel,
cContainer,
DialogsResource.NewFunctionImportDialog_EditFunctionImportTitle,
selectedObject);
// if user selected OK on the dialog then create the FunctionImport
if (DialogResult.OK == result.DialogResult)
{
var commands = new List <Command>();
var cp = new CommandProcessor(editingContext, originatingId, Resources.Tx_UpdateFunctionImport);
CreateComplexTypeCommand createComplexTypeCommand = null;
// Make the decision based on what is returned by the dialog.
// If return type is a string and result schema is not null, that means the user would like to create a new complex type for the function import return.
if (result.ReturnType is string &&
result.Schema != null)
{
createComplexTypeCommand = CreateMatchingFunctionImportCommand.AddCreateComplexTypeCommands(
sModel, result.ReturnType as string, result.Schema.RawColumns, commands);
}
// If ReturnType is a complex type and result schema is not null, the complex type needs to be updated to be in sync with schema columns.
else if (result.ReturnType is ComplexType &&
result.Schema != null)
{
var complexType = result.ReturnType as ComplexType;
// Create Column properties dictionary. The keys will be either property's type-mapping column name if availabe or property's name.
var propertiesDictionary =
complexType.Properties().ToDictionary(p => EdmUtils.GetFunctionImportResultColumnName(functionImport, p));
CreateMatchingFunctionImportCommand.AddChangeComplexTypePropertiesCommands(
complexType, propertiesDictionary, result.Schema.RawColumns, commands);
}
// construct Dictionary mapping property name to column name for FunctionImportMapping
IDictionary <string, string> mapPropertyNameToColumnName = null;
if (result.Schema != null)
{
mapPropertyNameToColumnName =
ModelHelper.ConstructComplexTypePropertyNameToColumnNameMapping(result.Schema.Columns.Select(c => c.Name).ToList());
}
// change the FunctionImport and FunctionImportMapping to match
ChangeFunctionImportCommand cmdFuncImpSproc = null;
// if result.IsComposable is true then set to True, but if false then use None if existing value is None, otherwise False
var resultIsComposable = (result.IsComposable
? BoolOrNone.TrueValue
: (BoolOrNone.NoneValue == functionImport.IsComposable.Value
? BoolOrNone.NoneValue
: BoolOrNone.FalseValue));
if (createComplexTypeCommand == null)
{
cmdFuncImpSproc = new ChangeFunctionImportCommand(
cContainer, functionImport, result.Function, result.FunctionName, resultIsComposable, true, result.ReturnType);
// Create explicit function-import result type mapping if the return type is a complex type.
if (result.ReturnType is ComplexType)
{
cmdFuncImpSproc.PostInvokeEvent += (o, eventArgs) =>
{
if (functionImport != null &&
functionImport.FunctionImportMapping != null)
{
// CreateFunctionImportTypeMappingCommand will be no op function-import's return is unchanged.
CommandProcessor.InvokeSingleCommand(
cp.CommandProcessorContext
,
new CreateFunctionImportTypeMappingCommand(
functionImport.FunctionImportMapping, result.ReturnType as ComplexType)
{
CreateDefaultScalarProperties = true,
PropertyNameToColumnNameMap = mapPropertyNameToColumnName
});
}
};
}
}
else
{
// Pass in the pre-req command to create complex type to the command.
cmdFuncImpSproc = new ChangeFunctionImportCommand(
cContainer, functionImport, result.Function, result.FunctionName,
resultIsComposable, createComplexTypeCommand);
// Create explicit function-import result type mapping if the return type is a complex type.
cmdFuncImpSproc.PostInvokeEvent += (o, eventArgs) =>
{
if (functionImport != null &&
functionImport.FunctionImportMapping != null)
{
CommandProcessor.InvokeSingleCommand(
cp.CommandProcessorContext,
new CreateFunctionImportTypeMappingCommand(
functionImport.FunctionImportMapping, createComplexTypeCommand)
{
CreateDefaultScalarProperties = true,
PropertyNameToColumnNameMap = mapPropertyNameToColumnName
});
}
};
}
commands.Add(cmdFuncImpSproc);
commands.ForEach(x => cp.EnqueueCommand(x));
cp.Invoke();
}
}