public void Break(BreakType type)
{
if (result != null && !result.IsCompleted)
{
result.Cancel();
}
}
public void ScanTableCancelAsync()
{
if (!HasAsyncTableScanner) {
return;
}
for (var r = 0; r < 5; ++r) {
var c = 0;
using (var asyncResult = new AsyncResult(
(ctx, cells) =>
{
foreach (var cell in cells) {
if (c == CountA) {
return AsyncCallbackResult.Abort;
}
++c;
}
return AsyncCallbackResult.Continue;
})) {
table.BeginScan(asyncResult);
asyncResult.Join();
Assert.IsNull(asyncResult.Error, asyncResult.Error != null ? asyncResult.Error.ToString() : string.Empty);
Assert.IsTrue(asyncResult.IsCompleted);
Assert.IsTrue(asyncResult.IsCancelled);
Assert.AreEqual(CountA, c);
// The official Hypertable version does not support re-using of the future object using the thrift API
if (!IsThrift) {
c = 0;
table.BeginScan(
asyncResult,
(ctx, cells) =>
{
c += cells.Count;
return AsyncCallbackResult.Continue;
});
Assert.IsFalse(asyncResult.IsCompleted);
Assert.IsFalse(asyncResult.IsCancelled);
asyncResult.Join();
Assert.IsNull(asyncResult.Error, asyncResult.Error != null ? asyncResult.Error.ToString() : string.Empty);
Assert.IsTrue(asyncResult.IsCompleted);
Assert.IsFalse(asyncResult.IsCancelled);
Assert.AreEqual(CountA + CountB + CountC, c);
}
}
using (var asyncResult = new AsyncResult(delegate { return AsyncCallbackResult.Continue; })) {
table.BeginScan(asyncResult);
Thread.Sleep(500);
asyncResult.Cancel();
Assert.IsTrue(asyncResult.IsCancelled);
// The official Hypertable version does not support re-using of the future object using the thrift API
if (!IsThrift) {
c = 0;
table.BeginScan(
asyncResult,
(ctx, cells) =>
{
c += cells.Count;
return AsyncCallbackResult.Continue;
});
Assert.IsFalse(asyncResult.IsCancelled);
asyncResult.Join();
Assert.IsNull(asyncResult.Error, asyncResult.Error != null ? asyncResult.Error.ToString() : string.Empty);
Assert.IsTrue(asyncResult.IsCompleted);
Assert.IsFalse(asyncResult.IsCancelled);
Assert.AreEqual(CountA + CountB + CountC, c);
}
}
}
}
public void ScanTableCancelAsync()
{
if (!HasAsyncTableScanner)
{
return;
}
for (var r = 0; r < 5; ++r)
{
var c = 0;
using (var asyncResult = new AsyncResult(
(ctx, cells) =>
{
foreach (var cell in cells)
{
if (c == CountA)
{
return(AsyncCallbackResult.Abort);
}
++c;
}
return(AsyncCallbackResult.Continue);
})) {
table.BeginScan(asyncResult);
asyncResult.Join();
Assert.IsNull(asyncResult.Error, asyncResult.Error != null ? asyncResult.Error.ToString() : string.Empty);
Assert.IsTrue(asyncResult.IsCompleted);
Assert.IsTrue(asyncResult.IsCancelled);
Assert.AreEqual(CountA, c);
// The official Hypertable version does not support re-using of the future object using the thrift API
if (!IsThrift)
{
c = 0;
table.BeginScan(
asyncResult,
(ctx, cells) =>
{
c += cells.Count;
return(AsyncCallbackResult.Continue);
});
Assert.IsFalse(asyncResult.IsCompleted);
Assert.IsFalse(asyncResult.IsCancelled);
asyncResult.Join();
Assert.IsNull(asyncResult.Error, asyncResult.Error != null ? asyncResult.Error.ToString() : string.Empty);
Assert.IsTrue(asyncResult.IsCompleted);
Assert.IsFalse(asyncResult.IsCancelled);
Assert.AreEqual(CountA + CountB + CountC, c);
}
}
using (var asyncResult = new AsyncResult(delegate { return(AsyncCallbackResult.Continue); })) {
table.BeginScan(asyncResult);
Thread.Sleep(500);
asyncResult.Cancel();
Assert.IsTrue(asyncResult.IsCancelled);
// The official Hypertable version does not support re-using of the future object using the thrift API
if (!IsThrift)
{
c = 0;
table.BeginScan(
asyncResult,
(ctx, cells) =>
{
c += cells.Count;
return(AsyncCallbackResult.Continue);
});
Assert.IsFalse(asyncResult.IsCancelled);
asyncResult.Join();
Assert.IsNull(asyncResult.Error, asyncResult.Error != null ? asyncResult.Error.ToString() : string.Empty);
Assert.IsTrue(asyncResult.IsCompleted);
Assert.IsFalse(asyncResult.IsCancelled);
Assert.AreEqual(CountA + CountB + CountC, c);
}
}
}
}