/// <summary>
/// Map a position over a buffer and this indicator owns the counter for reclamation.
/// </summary>
/// <param name="buffer"> containing the counter. </param>
/// <param name="counterId"> identifier of the counter. </param>
/// <param name="countersManager"> to be used for freeing the counter when this is closed. </param>
public UnsafeBufferPosition(UnsafeBuffer buffer, int counterId, CountersManager countersManager)
{
_buffer = buffer;
_counterId = counterId;
_countersManager = countersManager;
_offset = CountersReader.CounterOffset(counterId);
}
internal AtomicCounter(IAtomicBuffer buffer, int counterId, CountersManager countersManager)
{
_buffer = buffer;
_counterId = counterId;
_countersManager = countersManager;
_offset = CountersReader.CounterOffset(counterId);
buffer.PutLong(_offset, 0);
}
/// <summary>
/// Map a counter over a buffer. This version will free the counter on close.
/// </summary>
/// <param name="buffer"> containing the counter. </param>
/// <param name="counterId"> identifier for the counter. </param>
/// <param name="countersManager"> to be called to free the counter on close. </param>
public AtomicCounter(IAtomicBuffer buffer, int counterId, CountersManager countersManager)
{
_buffer = buffer;
Id = counterId;
_countersManager = countersManager;
_offset = CountersReader.CounterOffset(counterId);
buffer.BoundsCheck(_offset, BitUtil.SIZE_OF_LONG);
}
public void Setup()
{
_consumer = A.Fake<IntObjConsumer<string>>();
_metaData = A.Fake<CountersReader.MetaData>();
_labelsBuffer = new UnsafeBuffer(new byte[NumberOfCounters*CountersReader.METADATA_LENGTH]);
_counterBuffer = new UnsafeBuffer(new byte[NumberOfCounters*CountersReader.COUNTER_LENGTH]);
_manager = new CountersManager(_labelsBuffer, _counterBuffer);
_otherManager = new CountersManager(_labelsBuffer, _counterBuffer);
}