/// <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 the entity</param>
/// <param name="key">The entity's key</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>
/// <param name="propertyStrategy">A delegate to create the property accesor strategy object</param>
/// <param name="changeTrackingStrategy">A delegate to create the change tracking strategy object</param>
/// <param name="keyStrategy">A delegate to create the entity key strategy object</param>
protected EntityWrapper(TEntity entity, RelationshipManager relationshipManager, EntityKey key, EntitySet set, ObjectContext context, MergeOption mergeOption, Type identityType,
Func <object, IPropertyAccessorStrategy> propertyStrategy, Func <object, IChangeTrackingStrategy> changeTrackingStrategy, Func <object, IEntityKeyStrategy> keyStrategy)
: base(entity, relationshipManager, set, context, mergeOption, identityType)
{
if (relationshipManager == null)
{
throw EntityUtil.UnexpectedNullRelationshipManager();
}
_entity = entity;
_propertyStrategy = propertyStrategy(entity);
_changeTrackingStrategy = changeTrackingStrategy(entity);
_keyStrategy = keyStrategy(entity);
Debug.Assert(_changeTrackingStrategy != null, "Change tracking strategy cannot be null.");
Debug.Assert(_keyStrategy != null, "Key strategy cannot be null.");
_keyStrategy.SetEntityKey(key);
}
