5 // Copyright (c) 2007-2008 Jiri Moudry, Pascal Craponne
\r
7 // Permission is hereby granted, free of charge, to any person obtaining a copy
\r
8 // of this software and associated documentation files (the "Software"), to deal
\r
9 // in the Software without restriction, including without limitation the rights
\r
10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
\r
11 // copies of the Software, and to permit persons to whom the Software is
\r
12 // furnished to do so, subject to the following conditions:
\r
14 // The above copyright notice and this permission notice shall be included in
\r
15 // all copies or substantial portions of the Software.
\r
17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
\r
18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
\r
19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
\r
20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
\r
21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
\r
22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
\r
28 using System.Collections.Generic;
\r
31 using DbLinq.Data.Linq.Identity;
\r
33 namespace DbLinq.Data.Linq.Implementation
\r
36 /// Interface of Entity Trackers
\r
38 internal interface IEntityTracker
\r
41 /// Finds entity by key (PK)
\r
43 /// <param name="identityKey"></param>
\r
44 /// <returns></returns>
\r
45 EntityTrack FindByIdentity(IdentityKey identityKey);
\r
48 /// Returns true if the list contains the entity
\r
50 /// <param name="entity"></param>
\r
51 /// <returns></returns>
\r
52 bool ContainsReference(object entity);
\r
55 /// Registers an entity to be inserted
\r
57 /// <param name="entity"></param>
\r
58 void RegisterToInsert(object entity);
\r
61 /// Registers an entity to be watched
\r
63 /// <param name="entity"></param>
\r
64 /// <param name="identityKey"></param>
\r
65 void RegisterToWatch(object entity, IdentityKey identityKey);
\r
68 /// Registers entity to be deleted
\r
70 /// <param name="entity"></param>
\r
71 void RegisterToDelete(object entity);
\r
74 /// Unregisters the entity after deletion
\r
76 /// <param name="entity"></param>
\r
77 void RegisterDeleted(object entity);
\r
80 /// Enumerates all registered entities
\r
82 /// <returns></returns>
\r
83 IEnumerable<EntityTrack> EnumerateAll();
\r