/// <summary>
/// Allocate an indicator for tracking the status of a channel endpoint.
/// </summary>
/// <param name="tempBuffer"> to be used for labels and metadata. </param>
/// <param name="name"> of the counter for the label. </param>
/// <param name="typeId"> of the counter for classification. </param>
/// <param name="countersManager"> from which to allocated the underlying storage. </param>
/// <param name="channel"> for the stream of messages. </param>
/// <returns> a new <seealso cref="AtomicCounter"/> for tracking the status. </returns>
public static AtomicCounter Allocate(IMutableDirectBuffer tempBuffer, string name, int typeId,
CountersManager countersManager, string channel)
{
int keyLength =
tempBuffer.PutStringWithoutLengthAscii(CHANNEL_OFFSET + BitUtil.SIZE_OF_INT, channel, 0,
MAX_CHANNEL_LENGTH);
tempBuffer.PutInt(CHANNEL_OFFSET, keyLength);
int labelLength = 0;
labelLength += tempBuffer.PutStringWithoutLengthAscii(keyLength + labelLength, name);
labelLength += tempBuffer.PutStringWithoutLengthAscii(keyLength + labelLength, ": ");
labelLength += tempBuffer.PutStringWithoutLengthAscii(keyLength + labelLength, channel, 0,
CountersReader.MAX_LABEL_LENGTH - labelLength);
if (labelLength < CountersReader.MAX_LABEL_LENGTH)
{
tempBuffer.PutByte(keyLength + labelLength, (byte)' ');
labelLength += 1;
}
return(countersManager.NewCounter(typeId, tempBuffer, 0, keyLength, tempBuffer, keyLength, labelLength));
}
public void ShouldCopeWithExceptionKeyFunc()
{
var ex = new Exception();
try
{
_manager.Allocate("label", CountersManager.DEFAULT_TYPE_ID, _ => { throw ex; });
}
catch (Exception caught)
{
Assert.AreEqual(ex, caught);
var counter = _manager.NewCounter("new label");
Assert.AreEqual(0, counter.Id);
return;
}
Assert.Fail("Should have thrown exception.");
}