private static IEnumerable <MappingFragment> GetMappingFragments(
EntitySetBaseMapping setMapping)
{
foreach (TypeMapping typeMapping in setMapping.TypeMappings)
{
foreach (MappingFragment mappingFragment in typeMapping.MappingFragments)
{
yield return(mappingFragment);
}
}
}
// <summary>
// Enumerates all mapping fragments in given set mapping.
// </summary>
private static IEnumerable <MappingFragment> GetMappingFragments(EntitySetBaseMapping setMapping)
{
// get all type mappings for the extent
foreach (var typeMapping in setMapping.TypeMappings)
{
// get all table mapping fragments for the type
foreach (var mappingFragment in typeMapping.MappingFragments)
{
yield return(mappingFragment);
}
}
}
internal static IEnumerable <TypeMapping> GetMappingsForEntitySetAndType(
StorageMappingItemCollection mappingCollection,
EntityContainer container,
EntitySetBase entitySet,
EntityTypeBase entityType)
{
EntityContainerMapping containerMapping = MappingMetadataHelper.GetEntityContainerMap(mappingCollection, container);
EntitySetBaseMapping extentMap = containerMapping.GetSetMapping(entitySet.Name);
if (extentMap != null)
{
foreach (TypeMapping typeMapping in extentMap.TypeMappings.Where <TypeMapping>((Func <TypeMapping, bool>)(map => map.Types.Union <EntityTypeBase>((IEnumerable <EntityTypeBase>)map.IsOfTypes).Contains <EntityTypeBase>(entityType))))
{
yield return(typeMapping);
}
}
}
internal static IEnumerable <EntityTypeModificationFunctionMapping> GetModificationFunctionMappingsForEntitySetAndType(
StorageMappingItemCollection mappingCollection,
EntityContainer container,
EntitySetBase entitySet,
EntityTypeBase entityType)
{
EntityContainerMapping containerMapping = MappingMetadataHelper.GetEntityContainerMap(mappingCollection, container);
EntitySetBaseMapping extentMap = containerMapping.GetSetMapping(entitySet.Name);
EntitySetMapping entitySetMapping = extentMap as EntitySetMapping;
if (entitySetMapping != null && entitySetMapping != null)
{
foreach (EntityTypeModificationFunctionMapping modificationFunctionMapping in entitySetMapping.ModificationFunctionMappings.Where <EntityTypeModificationFunctionMapping>((Func <EntityTypeModificationFunctionMapping, bool>)(functionMap => functionMap.EntityType.Equals((object)entityType))))
{
yield return(modificationFunctionMapping);
}
}
}
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);
}
// <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(
EntitySetBaseMapping setMapping,
EntityTypeBase type,
string eSQL,
bool includeSubtypes,
StorageMappingItemCollection mappingItemCollection,
ConfigViewGenerator config,
/*out*/ IList <EdmSchemaError> errors,
out GeneratedView generatedView)
{
var failed = false;
DbQueryCommandTree commandTree;
DiscriminatorMap discriminatorMap;
Exception parserException;
if (
!TryParseView(
eSQL, true, setMapping.Set, mappingItemCollection, config, out commandTree, out discriminatorMap, out parserException))
{
var error = new EdmSchemaError(
Strings.Mapping_Invalid_QueryView2(setMapping.Set.Name, parserException.Message),
(int)MappingErrorCode.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
var queryResultType = (commandTree.Query.ResultType.EdmType) as CollectionType;
if ((queryResultType == null) ||
(!setMapping.Set.ElementType.IsAssignableFrom(queryResultType.TypeUsage.EdmType)))
{
var error = new EdmSchemaError(
Strings.Mapping_Invalid_QueryView_Type(setMapping.Set.Name),
(int)MappingErrorCode.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>
// 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(
EntitySetBaseMapping setMapping,
EntityTypeBase type,
string eSQL,
bool includeSubtypes,
StorageMappingItemCollection mappingItemCollection,
ConfigViewGenerator config,
/*out*/ IList<EdmSchemaError> errors,
out GeneratedView generatedView)
{
var failed = false;
DbQueryCommandTree commandTree;
DiscriminatorMap discriminatorMap;
Exception parserException;
if (
!TryParseView(
eSQL, true, setMapping.Set, mappingItemCollection, config, out commandTree, out discriminatorMap, out parserException))
{
var error = new EdmSchemaError(
Strings.Mapping_Invalid_QueryView2(setMapping.Set.Name, parserException.Message),
(int)MappingErrorCode.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
var queryResultType = (commandTree.Query.ResultType.EdmType) as CollectionType;
if ((queryResultType == null)
|| (!setMapping.Set.ElementType.IsAssignableFrom(queryResultType.TypeUsage.EdmType)))
{
var error = new EdmSchemaError(
Strings.Mapping_Invalid_QueryView_Type(setMapping.Set.Name),
(int)MappingErrorCode.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;
}
}
