2
using System.Collections.Generic;
4
namespace Newtonsoft.Json.Utilities
6
internal class ThreadSafeStore<TKey, TValue>
8
private readonly object _lock = new object();
9
private Dictionary<TKey, TValue> _store;
10
private readonly Func<TKey, TValue> _creator;
12
public ThreadSafeStore(Func<TKey, TValue> creator)
15
throw new ArgumentNullException("creator");
20
public TValue Get(TKey key)
26
if (!_store.TryGetValue(key, out value))
32
private TValue AddValue(TKey key)
34
TValue value = _creator(key);
40
_store = new Dictionary<TKey, TValue>();
45
// double check locking
47
if (_store.TryGetValue(key, out checkValue))
50
Dictionary<TKey, TValue> newStore = new Dictionary<TKey, TValue>(_store);
51
newStore[key] = value;
2
// Copyright (c) 2007 James Newton-King
4
// Permission is hereby granted, free of charge, to any person
5
// obtaining a copy of this software and associated documentation
6
// files (the "Software"), to deal in the Software without
7
// restriction, including without limitation the rights to use,
8
// copy, modify, merge, publish, distribute, sublicense, and/or sell
9
// copies of the Software, and to permit persons to whom the
10
// Software is furnished to do so, subject to the following
13
// The above copyright notice and this permission notice shall be
14
// included in all copies or substantial portions of the Software.
16
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
18
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23
// OTHER DEALINGS IN THE SOFTWARE.
27
using System.Collections.Generic;
29
using Newtonsoft.Json.Utilities.LinqBridge;
31
using Newtonsoft.Json.Serialization;
33
namespace Newtonsoft.Json.Utilities
35
internal class ThreadSafeStore<TKey, TValue>
37
private readonly object _lock = new object();
38
private Dictionary<TKey, TValue> _store;
39
private readonly Func<TKey, TValue> _creator;
41
public ThreadSafeStore(Func<TKey, TValue> creator)
44
throw new ArgumentNullException("creator");
49
public TValue Get(TKey key)
55
if (!_store.TryGetValue(key, out value))
61
private TValue AddValue(TKey key)
63
TValue value = _creator(key);
69
_store = new Dictionary<TKey, TValue>();
74
// double check locking
76
if (_store.TryGetValue(key, out checkValue))
79
Dictionary<TKey, TValue> newStore = new Dictionary<TKey, TValue>(_store);
80
newStore[key] = value;
b'\\ No newline at end of file'