/// <summary>
/// Sends a ChannelDataChange message to a consumer.
/// </summary>
/// <param name="channelId">The channel identifier.</param>
/// <param name="startIndex">The start index.</param>
/// <param name="endIndex">The end index.</param>
/// <param name="dataItems">The data items.</param>
/// <returns>The sent message on success; <c>null</c> otherwise.</returns>
public virtual EtpMessage <ChannelDataChange> ChannelDataChange(long channelId, long startIndex, long endIndex, IList <DataItem> dataItems)
{
var body = new ChannelDataChange()
{
ChannelId = channelId,
StartIndex = startIndex,
EndIndex = endIndex,
Data = dataItems ?? new List <DataItem>(),
};
return(SendNotification(body));
}
/// <summary>
/// Sends a ChannelDataChange message to a consumer.
/// </summary>
/// <param name="channelId">The channel identifier.</param>
/// <param name="startIndex">The start index.</param>
/// <param name="endIndex">The end index.</param>
/// <param name="dataItems">The data items.</param>
/// <returns>The message identifier.</returns>
public virtual long ChannelDataChange(long channelId, long startIndex, long endIndex, IList <DataItem> dataItems)
{
var header = CreateMessageHeader(Protocols.ChannelStreaming, MessageTypes.ChannelStreaming.ChannelDataChange);
var channelDataChange = new ChannelDataChange()
{
ChannelId = channelId,
StartIndex = startIndex,
EndIndex = endIndex,
Data = dataItems
};
return(Session.SendMessage(header, channelDataChange));
}
/// <summary>
/// Handles the ChannelDataChange message from a producer.
/// </summary>
/// <param name="header">The message header.</param>
/// <param name="channelDataChange">The ChannelDataChange message.</param>
protected virtual void HandleChannelDataChange(IMessageHeader header, ChannelDataChange channelDataChange)
{
Notify(OnChannelDataChange, header, channelDataChange);
}
