using System;
using System.Threading;
using Spring.Threading;
using NUnit.Framework;
#region Licence
/*
* Copyright 2002-2004 the original author or authors.
*
* Licensed 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.
*/
#endregion
namespace Spring.Threading{
[TestFixture]
public class LatchTest
{
class Worker
{
public bool worked;
ISync startPermit;
ISync workedSync;
public Worker (ISync startPermit, ISync workedSync)
{
this.startPermit = startPermit;
this.workedSync = workedSync;
}
public void Work()
{
// very slow worker initialization ...
// ... attach to messaging system
// ... connect to database
startPermit.Acquire();
// ... use resources initialized in Mush
// ... do real work
worked = true;
// ... we are finished
workedSync.Release();
}
}
[Test]
public void BossWorkerDemo()
{
int n = 10;
Latch startPermit = new Latch();
Semaphore wait = new Semaphore(-(n - 1));
Worker [] workers = new Worker[n];
for (int i=0; i<n; ++i)
{
workers[i] = new Worker(startPermit, wait);
new Thread(new ThreadStart(workers[i].Work)).Start();
}
// very slow main initialization ...
// ... parse configuration
// ... initialize other resources used by workers
startPermit.Release();
// now it is our turn to wait for workers
wait.Acquire();
for (int i=0; i<n; ++i)
Assert.IsTrue(workers[i].worked);
}
}
}
|