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comparison Source/Mapping/EnumeratorMapper.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.Collections;
3
4 using BLToolkit.Reflection;
5
6 namespace BLToolkit.Mapping
7 {
8 public class EnumeratorMapper : IMapDataSourceList
9 {
10 public EnumeratorMapper(IEnumerator enumerator)
11 {
12 _enumerator = enumerator;
13 }
14
15 private readonly IEnumerator _enumerator;
16 private Type _objectType;
17
18 #region IMapDataSourceList Members
19
20 public virtual void InitMapping(InitContext initContext)
21 {
22 _enumerator.Reset();
23 }
24
25 public virtual bool SetNextDataSource(InitContext initContext)
26 {
27 if (initContext == null) throw new ArgumentNullException("initContext");
28
29 if (_enumerator.MoveNext() == false)
30 return false;
31
32 object sourceObject = _enumerator.Current;
33
34 if (_objectType != sourceObject.GetType())
35 {
36 _objectType = sourceObject.GetType();
37 initContext.DataSource = initContext.MappingSchema.GetObjectMapper(_objectType);
38 }
39
40 initContext.SourceObject = sourceObject;
41
42 return true;
43 }
44
45 public virtual void EndMapping(InitContext initContext)
46 {
47 }
48
49 #endregion
50 }
51 }