/// <summary>
/// Creates generated view object for the combination of the <paramref name="setMapping"/>.Set and the <paramref name="type"/>.
/// This constructor is used for user-defined query views only.
/// </summary>
internal static bool TryParseUserSpecifiedView(StorageSetMapping setMapping,
EntityTypeBase type,
string eSQL,
bool includeSubtypes,
StorageMappingItemCollection mappingItemCollection,
ConfigViewGenerator config,
/*out*/ IList <EdmSchemaError> errors,
out GeneratedView generatedView)
{
bool failed = false;
DbQueryCommandTree commandTree;
DiscriminatorMap discriminatorMap;
Exception parserException;
if (!GeneratedView.TryParseView(eSQL, true, setMapping.Set, mappingItemCollection, config, out commandTree, out discriminatorMap, out parserException))
{
EdmSchemaError error = new EdmSchemaError(System.Data.Entity.Strings.Mapping_Invalid_QueryView2(setMapping.Set.Name, parserException.Message),
(int)StorageMappingErrorCode.InvalidQueryView, EdmSchemaErrorSeverity.Error,
setMapping.EntityContainerMapping.SourceLocation, setMapping.StartLineNumber, setMapping.StartLinePosition, parserException);
errors.Add(error);
failed = true;
}
else
{
Debug.Assert(commandTree != null, "commandTree not set after parsing the view");
// Verify that all expressions appearing in the view are supported.
foreach (var error in ViewValidator.ValidateQueryView(commandTree, setMapping, type, includeSubtypes))
{
errors.Add(error);
failed = true;
}
// Verify that the result type of the query view is assignable to the element type of the entityset
CollectionType queryResultType = (commandTree.Query.ResultType.EdmType) as CollectionType;
if ((queryResultType == null) || (!setMapping.Set.ElementType.IsAssignableFrom(queryResultType.TypeUsage.EdmType)))
{
EdmSchemaError error = new EdmSchemaError(System.Data.Entity.Strings.Mapping_Invalid_QueryView_Type(setMapping.Set.Name),
(int)StorageMappingErrorCode.InvalidQueryViewResultType, EdmSchemaErrorSeverity.Error,
setMapping.EntityContainerMapping.SourceLocation, setMapping.StartLineNumber, setMapping.StartLinePosition);
errors.Add(error);
failed = true;
}
}
if (!failed)
{
generatedView = new GeneratedView(setMapping.Set, type, commandTree, eSQL, discriminatorMap, mappingItemCollection, config);
return(true);
}
else
{
generatedView = null;
return(false);
}
}
/// <summary>
/// Performs schema validation/modification to match the type
/// </summary>
/// <param name="typeInfo"></param>
public virtual void ValidateType(DatabaseTypeInfo typeInfo)
{
if (!typeInfo.BypassValidation)
{
if (typeInfo.IsView)
{
ViewValidator.ValidateObject(typeInfo);
}
else
{
TableValidator.ValidateObject(typeInfo);
}
}
}
internal static bool TryParseUserSpecifiedView(
EntitySetBaseMapping setMapping,
EntityTypeBase type,
string eSQL,
bool includeSubtypes,
StorageMappingItemCollection mappingItemCollection,
ConfigViewGenerator config,
IList <EdmSchemaError> errors,
out GeneratedView generatedView)
{
bool flag = false;
DbQueryCommandTree commandTree;
DiscriminatorMap discriminatorMap;
Exception parserException;
if (!GeneratedView.TryParseView(eSQL, true, setMapping.Set, mappingItemCollection, config, out commandTree, out discriminatorMap, out parserException))
{
EdmSchemaError edmSchemaError = new EdmSchemaError(Strings.Mapping_Invalid_QueryView2((object)setMapping.Set.Name, (object)parserException.Message), 2068, EdmSchemaErrorSeverity.Error, setMapping.EntityContainerMapping.SourceLocation, setMapping.StartLineNumber, setMapping.StartLinePosition, parserException);
errors.Add(edmSchemaError);
flag = true;
}
else
{
foreach (EdmSchemaError edmSchemaError in ViewValidator.ValidateQueryView(commandTree, setMapping, type, includeSubtypes))
{
errors.Add(edmSchemaError);
flag = true;
}
CollectionType edmType = commandTree.Query.ResultType.EdmType as CollectionType;
if (edmType == null || !setMapping.Set.ElementType.IsAssignableFrom(edmType.TypeUsage.EdmType))
{
EdmSchemaError edmSchemaError = new EdmSchemaError(Strings.Mapping_Invalid_QueryView_Type((object)setMapping.Set.Name), 2069, EdmSchemaErrorSeverity.Error, setMapping.EntityContainerMapping.SourceLocation, setMapping.StartLineNumber, setMapping.StartLinePosition);
errors.Add(edmSchemaError);
flag = true;
}
}
if (!flag)
{
generatedView = new GeneratedView(setMapping.Set, (EdmType)type, commandTree, eSQL, discriminatorMap, mappingItemCollection, config);
return(true);
}
generatedView = (GeneratedView)null;
return(false);
}
private bool CanSave(object sender)
{
return(ViewValidator.IsValid(sender as DependencyObject));
}
