public void TestSingleton2()
{
Thread t1, t2;
ThreadSingleton s1 = null, s2 = null;
t1 = new Thread(() =>
{
s1 = ThreadSingleton.GetInstance();
}
);
t2 = new Thread(() =>
{
s2 = ThreadSingleton.GetInstance();
}
);
t1.Start();
t2.Start();
t1.Join();
t2.Join();
Assert.IsNotNull(s1);
Assert.IsNotNull(s2);
Assert.AreNotSame(s1, s2);
}
public void SingleInstancePerThead()
{
Assert.That(
ThreadSingleton.Instance(),
Is.EqualTo(ThreadSingleton.Instance())
);
}
/// <summary>
/// 每个线程的执行部分
/// </summary>
public void Procedure()
{
ThreadSingleton s1 = ThreadSingleton.Instance();
ThreadSingleton s2 = ThreadSingleton.Instance();
//证明可以正常构造实例
Assert.IsNotNull(s1);
Assert.IsNotNull(s2);
//验证当前线程执行体内两次获取的是同一个实例
Assert.AreEqual(s1.GetHashCode(), s2.GetHashCode());
//记录当前线程所使用对象的HashCode
Log.Add(s1.GetHashCode());
}
public void UniqueInstancesPerThead()
{
ThreadSingleton s1 = null;
ThreadSingleton s2 = null;
var thread1 = new Thread(() => s1 = ThreadSingleton.Instance());
var thread2 = new Thread(() => s2 = ThreadSingleton.Instance());
thread1.Start();
thread2.Start();
thread1.Join();
thread2.Join();
Assert.That(s1, Is.Not.EqualTo(s2));
}
public static ThreadSingleton GetInstance()
{
// first checking
if (_instance == null)
{
lock (sync)
{
// second checking
if (_instance == null)
{
_instance = new ThreadSingleton();
}
}
}
return _instance;
}
public ThreadSingleton GetThreadSingleton()
{
// 当第一个线程运行到这里时，此时会对locker对象 "加锁"，
// 当第二个线程运行该方法时，首先检测到locker对象为"加锁"状态，该线程就会挂起等待第一个线程解锁
// lock语句运行完之后（即线程运行完之后）会对该对象"解锁"
if (_threadSingleton != null)
{
return(_threadSingleton);
}
lock (Locker)
{
if (_threadSingleton == null)
{
_threadSingleton = new ThreadSingleton();
}
}
return(_threadSingleton);
}
public ActorRegistryHeaderChannel(ActorRegistry registry)
{
_registry = registry;
_match = new ThreadSingleton <MatchHeaderCallback, MatchHeader>(() => new MatchHeaderImpl());
}
public void TheadSingletonNotNull()
{
var s = ThreadSingleton.Instance();
Assert.NotNull(s);
}
public MatchHeaderChannel(HeaderChannel output)
{
_match = new ThreadSingleton <MatchHeaderChannel, MatchHeader>(() => new MatchHeaderImpl());
_output = output;
}
