public void can_get_and_decrement()
{
_num.SetValue(10);
_num.GetAndDecrement().Should().Be(10);
_num.GetValue().Should().Be(9);
_num.GetAndDecrement(5).Should().Be(9);
_num.GetValue().Should().Be(4);
}
public void test04()
{
var a = new AtomicInteger(1);
Assert.AreEqual(1, a.GetAndDecrement());
Assert.AreEqual(0, a.Value);
}
/// <summary>Delete a snapshot for a snapshottable directory</summary>
/// <param name="snapshotName">Name of the snapshot to be deleted</param>
/// <param name="collectedBlocks">Used to collect information to update blocksMap</param>
/// <exception cref="System.IO.IOException"/>
public virtual void DeleteSnapshot(INodesInPath iip, string snapshotName, INode.BlocksMapUpdateInfo
collectedBlocks, IList <INode> removedINodes)
{
INodeDirectory srcRoot = GetSnapshottableRoot(iip);
srcRoot.RemoveSnapshot(fsdir.GetBlockStoragePolicySuite(), snapshotName, collectedBlocks
, removedINodes);
numSnapshots.GetAndDecrement();
}
public override void Run()
{
DirectoryReader reader = null;
bool success = false;
try
{
Random random = Random();
while (NumUpdates.GetAndDecrement() > 0)
{
double group = random.NextDouble();
Term t;
if (group < 0.1)
{
t = new Term("updKey", "g0");
}
else if (group < 0.5)
{
t = new Term("updKey", "g1");
}
else if (group < 0.8)
{
t = new Term("updKey", "g2");
}
else
{
t = new Term("updKey", "g3");
}
// System.out.println("[" + Thread.currentThread().getName() + "] numUpdates=" + numUpdates + " updateTerm=" + t);
if (random.NextBoolean()) // sometimes unset a value
{
// System.err.println("[" + Thread.currentThread().getName() + "] t=" + t + ", f=" + f + ", updValue=UNSET");
Writer.UpdateBinaryDocValue(t, f, null);
Writer.UpdateNumericDocValue(t, Cf, null);
}
else
{
long updValue = random.Next();
// System.err.println("[" + Thread.currentThread().getName() + "] t=" + t + ", f=" + f + ", updValue=" + updValue);
Writer.UpdateBinaryDocValue(t, f, TestBinaryDocValuesUpdates.ToBytes(updValue));
Writer.UpdateNumericDocValue(t, Cf, updValue * 2);
}
if (random.NextDouble() < 0.2)
{
// delete a random document
int doc = random.Next(NumDocs);
// System.out.println("[" + Thread.currentThread().getName() + "] deleteDoc=doc" + doc);
Writer.DeleteDocuments(new Term("id", "doc" + doc));
}
if (random.NextDouble() < 0.05) // commit every 20 updates on average
{
// System.out.println("[" + Thread.currentThread().getName() + "] commit");
Writer.Commit();
}
if (random.NextDouble() < 0.1) // reopen NRT reader (apply updates), on average once every 10 updates
{
if (reader == null)
{
// System.out.println("[" + Thread.currentThread().getName() + "] open NRT");
reader = DirectoryReader.Open(Writer, true);
}
else
{
// System.out.println("[" + Thread.currentThread().getName() + "] reopen NRT");
DirectoryReader r2 = DirectoryReader.OpenIfChanged(reader, Writer, true);
if (r2 != null)
{
reader.Dispose();
reader = r2;
}
}
}
}
// System.out.println("[" + Thread.currentThread().getName() + "] DONE");
success = true;
}
catch (IOException e)
{
throw new Exception(e.Message, e);
}
finally
{
if (reader != null)
{
try
{
reader.Dispose();
}
catch (IOException e)
{
if (success) // suppress this exception only if there was another exception
{
throw new Exception(e.Message, e);
}
}
}
Done.countDown();
}
}