annotate src/main/csharp/jp.ac.u-ryukyu.ie.cr/jungle/transaction/AtomicReference.cs @ 7:02b2ab7bffe6

fix
author Kazuma
date Tue, 27 Sep 2016 18:36:05 +0900
parents dec15de2c6ff
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
1 using System.Threading;
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
2
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
3 public class AtomicReference <T> where T : class {
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
4 private T value;
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
5
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
6 public AtomicReference(T value) {
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
7 this.value = value;
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
8 }
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
9
7
Kazuma
parents: 0
diff changeset
10 public bool CompareAndSet(T newValue, T prevValue) {
0
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
11 // change to compere exchange.
7
Kazuma
parents: 0
diff changeset
12 T oldValue = value;
Kazuma
parents: 0
diff changeset
13 return (oldValue != Interlocked.CompareExchange (ref value, newValue, prevValue));
0
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
14 }
7
Kazuma
parents: 0
diff changeset
15
0
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
16
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
17 public T Get() {
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
18 return value;
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
19 }
dec15de2c6ff first commit
Kazuma
parents:
diff changeset
20 }