private void HandleCommand <TCommand>(RingCommandContext context, ICommand command) where TCommand : ICommand
{
var handlerType = _commandRegister.FindHandlerType <TCommand>();
if (handlerType == null)
{
var message = $"命令[{command.GetType().Name}]的命令执行器没有找到";
_logger.LogInformation(message);
throw new DomainException(DomainCode.CommandHandlerNotExists, message);
}
ICommandHandler <TCommand> handler;
try
{
handler = _commandHandlerFactory.Create <TCommand>(handlerType);
}
catch (Exception ex)
{
var message = $"命令[{command.GetType().Name}]的命令执行器无法创建，原因:{ex.Message}";
_logger.LogInformation(message);
throw new DomainException(DomainCode.CommandHandlerCannotCreate, message);
}
handler.Handle(context, (TCommand)command);
}
public RingCommandBusinessHandler(
IContextCache contextCache
, ICommandHandlerFactory commandHandlerFactory
, IEventStore eventStore
, IEventBus eventBus
, ICommandRegister commandRegister
, IAggregateRootRebuilder aggregateRootRebuilder
, ILoggerFactory loggerFactory
, int maxHandleCount)
: base(maxHandleCount)
{
this.context = new RingCommandContext(contextCache, aggregateRootRebuilder);
this._contextCache = contextCache;
this._commandHandlerFactory = commandHandlerFactory;
this._eventStore = eventStore;
this._eventBus = eventBus;
this._commandRegister = commandRegister;
this._aggregateRootRebuilder = aggregateRootRebuilder;
this._logger = loggerFactory.CreateLogger <RingCommandBusinessHandler>();
}
