public AcquireLockCommandAnonymousInnerClass4(LockWorker outerInstance, long resource)
{
this.outerInstance = outerInstance;
this._resource = resource;
}
public AcquireLockCommandAnonymousInnerClass(LockWorker outerInstance, long resource, bool wait)
{
this.outerInstance = outerInstance;
this._resource = resource;
this._wait = wait;
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testMultipleThreads() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TestMultipleThreads()
{
LockWorker t1 = new LockWorker("T1", Locks);
LockWorker t2 = new LockWorker("T2", Locks);
LockWorker t3 = new LockWorker("T3", Locks);
LockWorker t4 = new LockWorker("T4", Locks);
long r1 = 1L;
try
{
t1.GetReadLock(r1, true);
t2.GetReadLock(r1, true);
t3.GetReadLock(r1, true);
Future <Void> t4Wait = t4.GetWriteLock(r1, false);
t3.ReleaseReadLock(r1);
t2.ReleaseReadLock(r1);
assertTrue(!t4Wait.Done);
t1.ReleaseReadLock(r1);
// now we can wait for write lock since it can be acquired
// get write lock
t4.AwaitFuture(t4Wait);
t4.GetReadLock(r1, true);
t4.GetReadLock(r1, true);
// put readlock in queue
Future <Void> t1Wait = t1.GetReadLock(r1, false);
t4.GetReadLock(r1, true);
t4.ReleaseReadLock(r1);
t4.GetWriteLock(r1, true);
t4.ReleaseWriteLock(r1);
assertTrue(!t1Wait.Done);
t4.ReleaseWriteLock(r1);
// get read lock
t1.AwaitFuture(t1Wait);
t4.ReleaseReadLock(r1);
// t4 now has 1 readlock and t1 one readlock
// let t1 drop readlock and t4 get write lock
t4Wait = t4.GetWriteLock(r1, false);
t1.ReleaseReadLock(r1);
t4.AwaitFuture(t4Wait);
t4.ReleaseReadLock(r1);
t4.ReleaseWriteLock(r1);
t4.GetWriteLock(r1, true);
t1Wait = t1.GetReadLock(r1, false);
Future <Void> t2Wait = t2.GetReadLock(r1, false);
Future <Void> t3Wait = t3.GetReadLock(r1, false);
t4.GetReadLock(r1, true);
t4.ReleaseWriteLock(r1);
t1.AwaitFuture(t1Wait);
t2.AwaitFuture(t2Wait);
t3.AwaitFuture(t3Wait);
t1Wait = t1.GetWriteLock(r1, false);
t2.ReleaseReadLock(r1);
t4.ReleaseReadLock(r1);
t3.ReleaseReadLock(r1);
t1.AwaitFuture(t1Wait);
t1.ReleaseWriteLock(r1);
t2.GetReadLock(r1, true);
t1.ReleaseReadLock(r1);
t2.GetWriteLock(r1, true);
t2.ReleaseWriteLock(r1);
t2.ReleaseReadLock(r1);
}
catch (Exception e)
{
LockWorkFailureDump dumper = new LockWorkFailureDump(TestDir.file(this.GetType().Name));
File file = dumper.DumpState(Locks, t1, t2, t3, t4);
throw new Exception("Failed, forensics information dumped to " + file.AbsolutePath, e);
}
finally
{
t1.Dispose();
t2.Dispose();
t3.Dispose();
t4.Dispose();
}
}
