/// <summary>
/// Associates a given entity with a store entity. This method is intended for use by scenarios where a
/// client entity may represent a projection of one or multiple data store entities.
/// </summary>
/// <typeparam name="TEntity">The client entity type.</typeparam>
/// <typeparam name="TStoreEntity">The data store entity type.</typeparam>
/// <param name="clientEntity">The client entity.</param>
/// <param name="storeEntity">The data store entity.</param>
/// <param name="storeToClientTransform">The entity transform. This delegate will be invoked after the <see cref="ChangeSet"/> has
/// been successfully submitted and is intended to flow <paramref name="storeEntity"/> values back to the
/// <paramref name="clientEntity"/>.</param>
/// <exception cref="ArgumentNullException">if <paramref name="clientEntity"/>, <paramref name="storeEntity"/> or
/// <paramref name="storeToClientTransform"/> is null.</exception>
public void Associate <TEntity, TStoreEntity>(TEntity clientEntity, TStoreEntity storeEntity, Action <TEntity, TStoreEntity> storeToClientTransform)
where TEntity : class
where TStoreEntity : class
{
if (clientEntity == null)
{
throw new ArgumentNullException("clientEntity");
}
if (storeEntity == null)
{
throw new ArgumentNullException("storeEntity");
}
if (storeToClientTransform == null)
{
throw new ArgumentNullException("storeToClientTransform");
}
// Verify the provided client entity exists in our changeset
this.VerifyExistsInChangeset(clientEntity);
Action transformAction = () => storeToClientTransform(clientEntity, storeEntity);
AssociatedEntityInfo associatedModel = new AssociatedEntityInfo(clientEntity, transformAction);
List <AssociatedEntityInfo> associatedModels = null;
if (!this.AssociatedStoreEntities.TryGetValue(storeEntity, out associatedModels))
{
associatedModels = new List <AssociatedEntityInfo>();
this.AssociatedStoreEntities[storeEntity] = associatedModels;
}
associatedModels.Add(associatedModel);
}
public void Associate <TEntity, TStoreEntity>(TEntity clientEntity, TStoreEntity storeEntity, Action <TEntity, TStoreEntity> storeToClientTransform) where TEntity : class where TStoreEntity : class
{
if (clientEntity == null)
{
throw new ArgumentNullException("clientEntity");
}
if (storeEntity == null)
{
throw new ArgumentNullException("storeEntity");
}
if (storeToClientTransform == null)
{
throw new ArgumentNullException("storeToClientTransform");
}
this.VerifyExistsInChangeset(clientEntity);
Action entityTransform = () => storeToClientTransform(clientEntity, storeEntity);
AssociatedEntityInfo item = new AssociatedEntityInfo(clientEntity, entityTransform);
List <AssociatedEntityInfo> list = null;
if (!this.AssociatedStoreEntities.TryGetValue(storeEntity, out list))
{
list = new List <AssociatedEntityInfo>();
this.AssociatedStoreEntities[storeEntity] = list;
}
list.Add(item);
}
