/// <summary>
/// Sends a GetChannelMetadata message to a store with the specified URIs.
/// </summary>
/// <param name="uris">The list of URIs.</param>
/// <returns>The sent message on success; <c>null</c> otherwise.</returns>
public virtual EtpMessage <GetChannelMetadata> GetChannelMetadata(IDictionary <string, string> uris, IMessageHeaderExtension extension = null)
{
var body = new GetChannelMetadata
{
Uris = uris ?? new Dictionary <string, string>(),
};
return(SendRequest(body, extension: extension));
}
/// <summary>
/// Sends a GetChannelMetadata message to a producer with the specified URIs.
/// </summary>
/// <param name="uris">The list of URIs.</param>
/// <returns>The message identifier.</returns>
public virtual long GetChannelMetadata(IList <string> uris)
{
var header = CreateMessageHeader(Protocols.ChannelSubscribe, MessageTypes.ChannelSubscribe.GetChannelMetadata);
var channelDescribe = new GetChannelMetadata
{
Uris = uris
};
return(Session.SendMessage(header, channelDescribe));
}
/// <summary>
/// Handles the GetChannelMetadata message from a consumer.
/// </summary>
/// <param name="header">The message header.</param>
/// <param name="getChannelMetadata">The GetChannelMetadata message.</param>
protected virtual void HandleGetChannelMetadata(IMessageHeader header, GetChannelMetadata getChannelMetadata)
{
var args = Notify(OnGetChannelMetadata, header, getChannelMetadata, new List <ChannelMetadataRecord>());
HandleGetChannelMetadata(args);
if (!args.Cancel)
{
GetChannelMetadataResponse(header, args.Context);
}
}
/// <summary>
/// Handles the GetChannelMetadata message from a consumer.
/// </summary>
/// <param name="header">The message header.</param>
/// <param name="getChannelMetadata">The GetChannelMetadata message.</param>
protected virtual void HandleGetChannelMetadata(IMessageHeader header, GetChannelMetadata getChannelMetadata)
{
var args = Notify(OnGetChannelMetadata, header, getChannelMetadata);
var metadata = new List <ChannelMetadataRecord>();
var errors = new List <ErrorInfo>();
HandleGetChannelMetadata(args, metadata, errors);
if (!args.Cancel)
{
GetChannelMetadataResponse(header, metadata, errors);
}
}