-
Notifications
You must be signed in to change notification settings - Fork 624
/
TrackingDirectoryWrapper.cs
64 lines (56 loc) · 2.25 KB
/
TrackingDirectoryWrapper.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
using Lucene.Net.Support;
using System.Collections.Generic;
using JCG = J2N.Collections.Generic;
namespace Lucene.Net.Store
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/// <summary>
/// A delegating <see cref="Directory"/> that records which files were
/// written to and deleted.
/// </summary>
public sealed class TrackingDirectoryWrapper : FilterDirectory
{
private readonly ISet<string> createdFileNames = new JCG.HashSet<string>().AsConcurrent();
public TrackingDirectoryWrapper(Directory @in)
: base(@in)
{
}
public override void DeleteFile(string name)
{
createdFileNames.Remove(name);
m_input.DeleteFile(name);
}
public override IndexOutput CreateOutput(string name, IOContext context)
{
createdFileNames.Add(name);
return m_input.CreateOutput(name, context);
}
public override void Copy(Directory to, string src, string dest, IOContext context)
{
createdFileNames.Add(dest);
m_input.Copy(to, src, dest, context);
}
public override Directory.IndexInputSlicer CreateSlicer(string name, IOContext context)
{
return m_input.CreateSlicer(name, context);
}
// maybe clone before returning.... all callers are
// cloning anyway....
public ISet<string> CreatedFiles => createdFileNames;
}
}