// <summary>
// Constructs a wrapper as part of the materialization process. This constructor is only used
// during materialization where it is known that the entity being wrapped is newly constructed.
// This means that some checks are not performed that might be needed when thw wrapper is
// created at other times, and information such as the identity type is passed in because
// it is readily available in the materializer.
// </summary>
// <param name="entity"> The entity to wrap </param>
// <param name="relationshipManager"> The RelationshipManager associated with this entity </param>
// <param name="entitySet"> The entity set, or null if none is known </param>
// <param name="context"> The context to which the entity should be attached </param>
// <param name="mergeOption"> NoTracking for non-tracked entities, AppendOnly otherwise </param>
// <param name="identityType"> The type of the entity ignoring any possible proxy type </param>
protected BaseEntityWrapper(
TEntity entity, RelationshipManager relationshipManager, EntitySet entitySet, ObjectContext context, MergeOption mergeOption,
Type identityType, bool overridesEquals)
{
Debug.Assert(!(entity is IEntityWrapper), "Object is an IEntityWrapper instance instead of the raw entity.");
DebugCheck.NotNull(entity);
if (relationshipManager == null)
{
throw new InvalidOperationException(Strings.RelationshipManager_UnexpectedNull);
}
_identityType = identityType;
_relationshipManager = relationshipManager;
if (overridesEquals)
{
_flags = WrapperFlags.OverridesEquals;
}
RelationshipManager.SetWrappedOwner(this, entity);
if (entitySet != null)
{
Context = context;
MergeOption = mergeOption;
RelationshipManager.AttachContextToRelatedEnds(context, entitySet, mergeOption);
}
}
// See IEntityWrapper documentation
public void AttachContext(ObjectContext context, EntitySet entitySet, MergeOption mergeOption)
{
DebugCheck.NotNull(context);
Context = context;
MergeOption = mergeOption;
if (entitySet != null)
{
RelationshipManager.AttachContextToRelatedEnds(context, entitySet, mergeOption);
}
}
// See IEntityWrapper documentation
public void AttachContext(ObjectContext context, EntitySet entitySet, MergeOption mergeOption)
{
Debug.Assert(null != context, "context");
Context = context;
MergeOption = mergeOption;
if (entitySet != null)
{
RelationshipManager.AttachContextToRelatedEnds(context, entitySet, mergeOption);
}
}
/// <summary>
/// Constructs a wrapper as part of the materialization process. This constructor is only used
/// during materialization where it is known that the entity being wrapped is newly constructed.
/// This means that some checks are not performed that might be needed when thw wrapper is
/// created at other times, and information such as the identity type is passed in because
/// it is readily available in the materializer.
/// </summary>
/// <param name="entity">The entity to wrap</param>
/// <param name="relationshipManager">The RelationshipManager associated with this entity</param>
/// <param name="entitySet">The entity set, or null if none is known</param>
/// <param name="context">The context to which the entity should be attached</param>
/// <param name="mergeOption">NoTracking for non-tracked entities, AppendOnly otherwise</param>
/// <param name="identityType">The type of the entity ignoring any possible proxy type</param>
protected BaseEntityWrapper(TEntity entity, RelationshipManager relationshipManager, EntitySet entitySet, ObjectContext context, MergeOption mergeOption, Type identityType)
{
Debug.Assert(!(entity is IEntityWrapper), "Object is an IEntityWrapper instance instead of the raw entity.");
Debug.Assert(entity != null, "Factory should ensure wrapped entity here is never null.");
if (relationshipManager == null)
{
throw EntityUtil.UnexpectedNullRelationshipManager();
}
_identityType = identityType;
_relationshipManager = relationshipManager;
RelationshipManager.SetWrappedOwner(this, entity);
if (entitySet != null)
{
Context = context;
MergeOption = mergeOption;
RelationshipManager.AttachContextToRelatedEnds(context, entitySet, mergeOption);
}
}