internal ObjectStateEntryOriginalDbUpdatableDataRecord_Internal(
EntityEntry cacheEntry, StateManagerTypeMetadata metadata, object userObject)
: base(cacheEntry, metadata, userObject)
{
Contract.Requires(cacheEntry != null);
Contract.Requires(userObject != null);
Contract.Requires(metadata != null);
Debug.Assert(!cacheEntry.IsKeyEntry, "Cannot create an ObjectStateEntryOriginalDbUpdatableDataRecord_Internal for a key entry");
switch (cacheEntry.State)
{
case EntityState.Unchanged:
case EntityState.Modified:
case EntityState.Deleted:
break;
default:
Debug.Assert(false, "An OriginalValueRecord cannot be created for an object in an added or detached state.");
break;
}
}
internal ObjectStateEntryDbUpdatableDataRecord(EntityEntry cacheEntry, StateManagerTypeMetadata metadata, object userObject)
: base(cacheEntry, metadata, userObject)
{
DebugCheck.NotNull(cacheEntry);
DebugCheck.NotNull(userObject);
DebugCheck.NotNull(metadata);
Debug.Assert(!cacheEntry.IsKeyEntry, "Cannot create an ObjectStateEntryDbUpdatableDataRecord for a key entry");
switch (cacheEntry.State)
{
case EntityState.Unchanged:
case EntityState.Modified:
case EntityState.Added:
break;
default:
Debug.Assert(
false, "A CurrentValueRecord cannot be created for an entity object that is in a deleted or detached state.");
break;
}
}
internal ObjectStateEntryDbDataRecord(EntityEntry cacheEntry, StateManagerTypeMetadata metadata, object userObject)
{
Contract.Requires(cacheEntry != null);
Contract.Requires(userObject != null);
Contract.Requires(metadata != null);
Debug.Assert(!cacheEntry.IsKeyEntry, "Cannot create an ObjectStateEntryDbDataRecord for a key entry");
switch (cacheEntry.State)
{
case EntityState.Unchanged:
case EntityState.Modified:
case EntityState.Deleted:
_cacheEntry = cacheEntry;
_userObject = userObject;
_metadata = metadata;
break;
default:
Debug.Assert(false, "A DbDataRecord cannot be created for an entity object that is in an added or detached state.");
break;
}
}
/// <summary> /// Reuse or create a new (Entity)DataRecordInfo. /// </summary> internal abstract DataRecordInfo GetDataRecordInfo(StateManagerTypeMetadata metadata, object userObject);
internal abstract int GetOrdinalforCLayerName(string name, StateManagerTypeMetadata metadata);
internal abstract string GetCLayerName(int ordinal, StateManagerTypeMetadata metadata);
internal abstract Type GetFieldType(int ordinal, StateManagerTypeMetadata metadata);
// <summary>
// Reuse or create a new (Entity)DataRecordInfo.
// </summary>
internal override DataRecordInfo GetDataRecordInfo(StateManagerTypeMetadata metadata, object userObject)
{
//Dev Note: RelationshipType always has default facets. Thus its safe to construct a TypeUsage from EdmType
return(new DataRecordInfo(TypeUsage.Create(((RelationshipSet)EntitySet).ElementType)));
}
internal override string GetCLayerName(int ordinal, StateManagerTypeMetadata metadata)
{
ValidateRelationshipRange(ordinal);
return(_relationshipWrapper.AssociationEndMembers[ordinal].Name);
}
internal override int GetFieldCount(StateManagerTypeMetadata metadata)
{
return _relationshipWrapper.AssociationEndMembers.Count;
}
internal DbUpdatableDataRecord(ObjectStateEntry cacheEntry, StateManagerTypeMetadata metadata, object userObject)
{
_cacheEntry = cacheEntry;
_userObject = userObject;
_metadata = metadata;
}
/// <summary> /// Reuse or create a new (Entity)DataRecordInfo. /// </summary> internal abstract DataRecordInfo GetDataRecordInfo(StateManagerTypeMetadata metadata, object userObject);
internal abstract int GetOrdinalforCLayerName(string name, StateManagerTypeMetadata metadata);
internal abstract string GetCLayerName(int ordinal, StateManagerTypeMetadata metadata);
internal abstract Type GetFieldType(int ordinal, StateManagerTypeMetadata metadata);
internal abstract int GetFieldCount(StateManagerTypeMetadata metadata);
internal ObjectStateEntryOriginalDbUpdatableDataRecord_Public(
EntityEntry cacheEntry, StateManagerTypeMetadata metadata, object userObject, int parentEntityPropertyIndex)
: base(cacheEntry, metadata, userObject)
{
_parentEntityPropertyIndex = parentEntityPropertyIndex;
}
internal DbUpdatableDataRecord(ObjectStateEntry cacheEntry, StateManagerTypeMetadata metadata, object userObject)
{
_cacheEntry = cacheEntry;
_userObject = userObject;
_metadata = metadata;
}
internal override Type GetFieldType(int ordinal, StateManagerTypeMetadata metadata)
{
// 'metadata' is used for ComplexTypes in EntityEntry
return typeof(EntityKey); // this is given By Design
}
internal override int GetOrdinalforCLayerName(string name, StateManagerTypeMetadata metadata)
{
AssociationEndMember endMember;
var endMembers = _relationshipWrapper.AssociationEndMembers;
if (endMembers.TryGetValue(name, false, out endMember))
{
return endMembers.IndexOf(endMember);
}
return -1;
}
/// <summary>
/// Reuse or create a new (Entity)DataRecordInfo.
/// </summary>
internal override DataRecordInfo GetDataRecordInfo(StateManagerTypeMetadata metadata, object userObject)
{
//Dev Note: RelationshipType always has default facets. Thus its safe to construct a TypeUsage from EdmType
return new DataRecordInfo(TypeUsage.Create(((RelationshipSet)EntitySet).ElementType));
}
internal override Type GetFieldType(int ordinal, StateManagerTypeMetadata metadata)
{
// 'metadata' is used for ComplexTypes in EntityEntry
return(typeof(EntityKey)); // this is given By Design
}
internal override string GetCLayerName(int ordinal, StateManagerTypeMetadata metadata)
{
ValidateRelationshipRange(ordinal);
return _relationshipWrapper.AssociationEndMembers[ordinal].Name;
}
internal abstract int GetFieldCount(StateManagerTypeMetadata metadata);
internal ObjectStateEntryOriginalDbUpdatableDataRecord_Public(
EntityEntry cacheEntry, StateManagerTypeMetadata metadata, object userObject, int parentEntityPropertyIndex)
: base(cacheEntry, metadata, userObject)
{
_parentEntityPropertyIndex = parentEntityPropertyIndex;
}
internal override int GetFieldCount(StateManagerTypeMetadata metadata)
{
return(_relationshipWrapper.AssociationEndMembers.Count);
}
