C# IPersistentCollection.GetSnapshot方法代码示例

		public void AfterAction(IPersistentCollection collection)
		{
			loadedKey = CurrentKey;
			SetLoadedPersister(CurrentPersister);

			bool resnapshot = collection.WasInitialized && (IsDoremove || IsDorecreate || IsDoupdate);
			if (resnapshot)
			{
				//re-snapshot
				snapshot = loadedPersister == null || !loadedPersister.IsMutable ? null : collection.GetSnapshot(loadedPersister);
			}

			collection.PostAction();
		}

		/// <summary>
		/// Updates the CollectionEntry to reflect that the <see cref="IPersistentCollection"/>
		/// has been initialized.
		/// </summary>
		/// <param name="collection">The initialized <see cref="AbstractPersistentCollection"/> that this Entry is for.</param>
		public void PostInitialize(IPersistentCollection collection)
		{
			snapshot = LoadedPersister.IsMutable ? collection.GetSnapshot(LoadedPersister) : null;
			collection.SetSnapshot(loadedKey, role, snapshot);
		}

		public void InitSnapshot(IPersistentCollection collection, ICollectionPersister persister)
		{
			snapshot = collection.GetSnapshot(persister);
		}

		/// <summary>
		/// Initializes a new instance of <see cref="CollectionEntry"/>.
		/// </summary>
		/// <remarks> 
		/// For newly wrapped collections, or dereferenced collection wrappers
		/// </remarks>
		public CollectionEntry(ICollectionPersister persister, IPersistentCollection collection)
		{
			// new collections that get found + wrapped
			// during flush shouldn't be ignored
			ignore = false;

			collection.ClearDirty(); //a newly wrapped collection is NOT dirty (or we get unnecessary version updates)

			snapshot = persister.IsMutable ? collection.GetSnapshot(persister) : null;
			collection.SetSnapshot(loadedKey, role, snapshot);
		}

		/// <summary>
		/// Updates the CollectionEntry to reflect that the <see cref="IPersistentCollection"/>
		/// has been initialized.
		/// </summary>
		/// <param name="collection">The initialized <see cref="AbstractPersistentCollection"/> that this Entry is for.</param>
		public void PostInitialize(IPersistentCollection collection)
		{
			snapshot = collection.GetSnapshot(loadedPersister);
		}