public Guid?RemoteListen <T>(int bufSize = 1, TimeSpan?interval = null, bool autoUnsubscribe = true,
IEventFilter <T> localListener = null, IEventFilter <T> remoteFilter = null, params int[] types)
where T : IEvent
{
IgniteArgumentCheck.Ensure(bufSize > 0, "bufSize", "should be > 0");
IgniteArgumentCheck.Ensure(interval == null || interval.Value.TotalMilliseconds > 0, "interval", "should be null or >= 0");
return(DoOutInOp((int)Op.RemoteListen,
writer =>
{
writer.WriteInt(bufSize);
writer.WriteLong((long)(interval == null ? 0 : interval.Value.TotalMilliseconds));
writer.WriteBoolean(autoUnsubscribe);
writer.WriteBoolean(localListener != null);
if (localListener != null)
{
var listener = new RemoteListenEventFilter(Ignite, e => localListener.Invoke((T)e));
writer.WriteLong(Ignite.HandleRegistry.Allocate(listener));
}
writer.WriteBoolean(remoteFilter != null);
if (remoteFilter != null)
{
writer.Write(remoteFilter);
}
WriteEventTypes(types, writer);
},
reader => Marshaller.StartUnmarshal(reader).ReadGuid()));
}
/// <summary>
/// Invokes local filter using data from specified stream.
/// </summary>
/// <typeparam name="T">Event object type.</typeparam>
/// <param name="stream">The stream.</param>
/// <param name="listener">The listener.</param>
/// <returns>Filter invocation result.</returns>
private bool InvokeLocalFilter <T>(IPortableStream stream, IEventFilter <T> listener) where T : IEvent
{
var evt = EventReader.Read <T>(Marshaller.StartUnmarshal(stream));
// No guid in local mode
return(listener.Invoke(Guid.Empty, evt));
}
/** <inheritdoc /> */
public int Invoke(IBinaryStream stream)
{
var evt = EventReader.Read <T>(_marshaller.StartUnmarshal(stream));
return(_listener.Invoke(evt) ? 1 : 0);
}
/// <summary>
/// Invokes local filter using data from specified stream.
/// </summary>
/// <typeparam name="T">Event object type.</typeparam>
/// <param name="stream">The stream.</param>
/// <param name="listener">The listener.</param>
/// <returns>Filter invocation result.</returns>
private bool InvokeLocalFilter <T>(IBinaryStream stream, IEventFilter <T> listener) where T : IEvent
{
var evt = EventReader.Read <T>(Marshaller.StartUnmarshal(stream));
return(listener.Invoke(evt));
}