internal void AssertModificationFunctionMappingInvariants(StorageEntityTypeModificationFunctionMapping modificationFunctionMapping)
{
Debug.Assert(null != modificationFunctionMapping, "modification function mapping must not be null");
Debug.Assert(modificationFunctionMapping.EntityType.Equals(this.Set.ElementType) ||
Helper.IsSubtypeOf(modificationFunctionMapping.EntityType, this.Set.ElementType),
"attempting to add a modification function mapping with the wrong entity type");
foreach (StorageEntityTypeModificationFunctionMapping existingMapping in m_modificationFunctionMappings)
{
Debug.Assert(!existingMapping.EntityType.Equals(modificationFunctionMapping.EntityType),
"modification function mapping already exists for this type");
}
}
/// <summary>
/// Requires:
/// - Function mapping refers to a sub-type of this entity set's element type
/// - Function mappings for types are not redundantly specified
/// Adds a new function mapping for this class.
/// </summary>
/// <param name="modificationFunctionMapping">Function mapping to add. May not be null.</param>
internal void AddModificationFunctionMapping(StorageEntityTypeModificationFunctionMapping modificationFunctionMapping)
{
AssertModificationFunctionMappingInvariants(modificationFunctionMapping);
m_modificationFunctionMappings.Add(modificationFunctionMapping);
// check if any association sets are indirectly mapped within this function mapping
// through association navigation bindings
if (null != modificationFunctionMapping.DeleteFunctionMapping)
{
m_implicitlyMappedAssociationSetEnds.AddRange(modificationFunctionMapping.DeleteFunctionMapping.CollocatedAssociationSetEnds);
}
if (null != modificationFunctionMapping.InsertFunctionMapping)
{
m_implicitlyMappedAssociationSetEnds.AddRange(modificationFunctionMapping.InsertFunctionMapping.CollocatedAssociationSetEnds);
}
if (null != modificationFunctionMapping.UpdateFunctionMapping)
{
m_implicitlyMappedAssociationSetEnds.AddRange(modificationFunctionMapping.UpdateFunctionMapping.CollocatedAssociationSetEnds);
}
}
/// <summary>
/// Finds interesting members for modification functions mapped to stored procedures and adds them to the <paramref name="interestingMembers"/>.
/// </summary>
/// <param name="functionMappings">Modification function mapping. Must not be null.</param>
/// <param name="interestingMembersKind">Update scenario the members will be used in (in general - partial update vs. full update).</param>
/// <param name="interestingMembers"></param>
private static void FindInterestingFunctionMappingMembers(StorageEntityTypeModificationFunctionMapping functionMappings, InterestingMembersKind interestingMembersKind, ref List <EdmMember> interestingMembers)
{
Debug.Assert(functionMappings != null && functionMappings.UpdateFunctionMapping != null, "Expected function mapping fragment with non-null update function mapping");
Debug.Assert(interestingMembers != null, "interestingMembers != null");
// for partial update scenarios (e.g. EntityDataSourceControl) all members are interesting otherwise the data may be corrupt.
// See bugs #272992 and #124460 in DevDiv database for more details. For full update scenarios and the obsolete
// MetadataWorkspace.GetRequiredOriginalValueMembers() metod we return only members with Version set to "Original".
if (interestingMembersKind == InterestingMembersKind.PartialUpdate)
{
// (5) Members included in Update ModificationFunction
interestingMembers.AddRange(functionMappings.UpdateFunctionMapping.ParameterBindings.Select(p => p.MemberPath.Members.Last()));
}
else
{
//(4) Members in update ModificationFunction with Version="Original" are "interesting"
// This also works when you have complex-types (4.1)
Debug.Assert(
interestingMembersKind == InterestingMembersKind.FullUpdate || interestingMembersKind == InterestingMembersKind.RequiredOriginalValueMembers,
"Unexpected kind of interesting members - if you changed the InterestingMembersKind enum type update this code accordingly");
foreach (var parameterBinding in functionMappings.UpdateFunctionMapping.ParameterBindings.Where(p => !p.IsCurrent))
{
//Last is the root element (with respect to the Entity)
//For example, Entity1={
// S1,
// C1{S2,
// C2{ S3, S4 }
// },
// S5}
// if S4 matches (i.e. C1.C2.S4), then it returns C1
//because internally the list is [S4][C2][C1]
interestingMembers.Add(parameterBinding.MemberPath.Members.Last());
}
}
}
internal void AssertModificationFunctionMappingInvariants(StorageEntityTypeModificationFunctionMapping modificationFunctionMapping) {
Debug.Assert(null != modificationFunctionMapping, "modification function mapping must not be null");
Debug.Assert(modificationFunctionMapping.EntityType.Equals(this.Set.ElementType) ||
Helper.IsSubtypeOf(modificationFunctionMapping.EntityType, this.Set.ElementType),
"attempting to add a modification function mapping with the wrong entity type");
foreach (StorageEntityTypeModificationFunctionMapping existingMapping in m_modificationFunctionMappings) {
Debug.Assert(!existingMapping.EntityType.Equals(modificationFunctionMapping.EntityType),
"modification function mapping already exists for this type");
}
}
/// <summary>
/// Requires:
/// - Function mapping refers to a sub-type of this entity set's element type
/// - Function mappings for types are not redundantly specified
/// Adds a new function mapping for this class.
/// </summary>
/// <param name="modificationFunctionMapping">Function mapping to add. May not be null.</param>
internal void AddModificationFunctionMapping(StorageEntityTypeModificationFunctionMapping modificationFunctionMapping) {
AssertModificationFunctionMappingInvariants(modificationFunctionMapping);
m_modificationFunctionMappings.Add(modificationFunctionMapping);
// check if any association sets are indirectly mapped within this function mapping
// through association navigation bindings
if (null != modificationFunctionMapping.DeleteFunctionMapping)
{
m_implicitlyMappedAssociationSetEnds.AddRange(modificationFunctionMapping.DeleteFunctionMapping.CollocatedAssociationSetEnds);
}
if (null != modificationFunctionMapping.InsertFunctionMapping)
{
m_implicitlyMappedAssociationSetEnds.AddRange(modificationFunctionMapping.InsertFunctionMapping.CollocatedAssociationSetEnds);
}
if (null != modificationFunctionMapping.UpdateFunctionMapping)
{
m_implicitlyMappedAssociationSetEnds.AddRange(modificationFunctionMapping.UpdateFunctionMapping.CollocatedAssociationSetEnds);
}
}
/// <summary>
/// Finds interesting members for modification functions mapped to stored procedures and adds them to the <paramref name="interestingMembers"/>.
/// </summary>
/// <param name="functionMappings">Modification function mapping. Must not be null.</param>
/// <param name="interestingMembersKind">Update scenario the members will be used in (in general - partial update vs. full update).</param>
/// <param name="interestingMembers"></param>
private static void FindInterestingFunctionMappingMembers(StorageEntityTypeModificationFunctionMapping functionMappings, InterestingMembersKind interestingMembersKind, ref List<EdmMember> interestingMembers)
{
Debug.Assert(functionMappings != null && functionMappings.UpdateFunctionMapping != null, "Expected function mapping fragment with non-null update function mapping");
Debug.Assert(interestingMembers != null, "interestingMembers != null");
// for partial update scenarios (e.g. EntityDataSourceControl) all members are interesting otherwise the data may be corrupt.
// See bugs #272992 and #124460 in DevDiv database for more details. For full update scenarios and the obsolete
// MetadataWorkspace.GetRequiredOriginalValueMembers() metod we return only members with Version set to "Original".
if (interestingMembersKind == InterestingMembersKind.PartialUpdate)
{
// (5) Members included in Update ModificationFunction
interestingMembers.AddRange(functionMappings.UpdateFunctionMapping.ParameterBindings.Select(p => p.MemberPath.Members.Last()));
}
else
{
//(4) Members in update ModificationFunction with Version="Original" are "interesting"
// This also works when you have complex-types (4.1)
Debug.Assert(
interestingMembersKind == InterestingMembersKind.FullUpdate || interestingMembersKind == InterestingMembersKind.RequiredOriginalValueMembers,
"Unexpected kind of interesting members - if you changed the InterestingMembersKind enum type update this code accordingly");
foreach (var parameterBinding in functionMappings.UpdateFunctionMapping.ParameterBindings.Where(p => !p.IsCurrent))
{
//Last is the root element (with respect to the Entity)
//For example, Entity1={
// S1,
// C1{S2,
// C2{ S3, S4 }
// },
// S5}
// if S4 matches (i.e. C1.C2.S4), then it returns C1
//because internally the list is [S4][C2][C1]
interestingMembers.Add(parameterBinding.MemberPath.Members.Last());
}
}
}
