public void Publish <T>(T message, IDictionary <string, object> headers = null, PublishOptions publishOptions = null, ServerOptions serverOptions = null, Func <T, ReadOnlyMemory <byte> > serialize = null)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var metadata = PublishMessagingMetadataFactory.GetMetadata(typeof(T));
if ((metadata == null && publishOptions == null) ||
(metadata == null && serverOptions == null) ||
(metadata.PublishOptions == null && publishOptions == null) ||
(metadata.ServerOptions == null && serverOptions == null))
{
throw new InvalidOperationException($"The message({typeof(T).FullName}) cannot publish! Please register this message!");
}
if (_jsonSerializer == null && serialize == null)
{
throw new InvalidOperationException($"The message({typeof(T).FullName}) has not default serialize, Please set or register default!");
}
if (publishOptions == null)
{
publishOptions = metadata.PublishOptions;
}
if (serverOptions == null)
{
serverOptions = metadata.ServerOptions;
}
if (serialize == null)
{
serialize = _jsonSerializer.Serialize;
}
if (string.IsNullOrWhiteSpace(publishOptions.VirtualHost) && string.IsNullOrWhiteSpace(serverOptions.VirtualHost))
{
throw new InvalidOperationException($"The message({typeof(T).FullName}) has not virtualhost!");
}
if (string.IsNullOrWhiteSpace(publishOptions.VirtualHost))
{
publishOptions.VirtualHost = serverOptions.VirtualHost;
}
var connection = RabbitMQConnectionFactory.Instance.GetOrCreateConnection(serverOptions, publishOptions.VirtualHost);
if (!connection.Connection.IsOpen)
{
throw new InvalidOperationException($"The connection is not opened! publish failed!");
}
using (var channel = connection.Connection.CreateModel())
{
var basicProperties = channel.CreateBasicProperties();
basicProperties.Headers = headers;
channel.BasicPublish(publishOptions.Exchange, publishOptions.RoutingKey, true, basicProperties, serialize(message));
}
}
public void Start()
{
foreach (var builder in _consumeBuilders)
{
var metadata = new ConsumeMetadata()
{
ServerOptions = builder.ServerOptions,
ConsumeOptions = builder.ConsumeOptions,
HandlerType = builder.HandlerType
};
ConsumeMetadataFactory.Set(metadata);
new ConsumeChannel(metadata);
}
foreach (var builder in _publishBuilders)
{
var metadata = new PublishMessagingMetadata(builder.MessageType, builder.ServerOptions, builder.PublishOptions);
PublishMessagingMetadataFactory.AddMessagingMetadata(metadata);
}
}
