/// <summary>
/// Non-blocking publish of a partial buffer containing a message to a cluster.
/// </summary>
/// <param name="correlationId"> to be used to identify the message to the cluster. </param>
/// <param name="buffer"> containing message. </param>
/// <param name="offset"> offset in the buffer at which the encoded message begins. </param>
/// <param name="length"> in bytes of the encoded message. </param>
/// <returns> the same as <seealso cref="Publication#offer(DirectBuffer, int, int)"/> when in <seealso cref="Cluster.Role#LEADER"/>
/// otherwise <see cref="MOCKED_OFFER"/>. </returns>
public long Offer(
long correlationId,
IDirectBuffer buffer,
int offset,
int length)
{
if (_cluster.Role() != ClusterRole.Leader)
{
return(MOCKED_OFFER);
}
if (null == _responsePublication)
{
throw new ClusterException("session not connected id=" + _id);
}
_sessionHeaderEncoder
.CorrelationId(correlationId)
.Timestamp(_cluster.TimeMs());
_messageBuffer.Reset(buffer, offset, length);
return(_responsePublication.Offer(_vectors));
}