public static IServiceCollection AddCanalService(this IServiceCollection serviceCollection, Action <CanalConsumeRegister> register)
{
if (register == null)
{
throw new ArgumentNullException(nameof(register));
}
var registerModel = new CanalConsumeRegister();
register(registerModel);
if (!registerModel.ConsumeList.Any() && !registerModel.SingletonConsumeList.Any())
{
throw new ArgumentNullException(nameof(registerModel.ConsumeList));
}
serviceCollection.AddOptions();
serviceCollection.TryAddSingleton <IConfigureOptions <CanalOption>, ConfigureCanalOption>();
serviceCollection.AddTransient <IHostedService, CanalService>();
if (registerModel.ConsumeList.Any())
{
foreach (var type in registerModel.ConsumeList)
{
serviceCollection.TryAddTransient(type);
}
}
if (registerModel.SingletonConsumeList.Any())
{
foreach (var type in registerModel.SingletonConsumeList)
{
serviceCollection.TryAddSingleton(type);
}
}
serviceCollection.AddSingleton(registerModel);
return(serviceCollection);
}
public CanalService(ILogger <CanalService> logger, IOptions <CanalOption> canalOption, IServiceScopeFactory scopeFactory, IConfiguration configuration, CanalConsumeRegister register)
{
_logger = logger;
_registerTypeList = new List <System.Type>();
if (register.SingletonConsumeList != null && register.SingletonConsumeList.Any())
{
_registerTypeList.AddRange(register.SingletonConsumeList);
}
if (register.ConsumeList != null && register.ConsumeList.Any())
{
_registerTypeList.AddRange(register.ConsumeList);
}
_configuration = configuration;
_canalOption = canalOption?.Value;
if (_canalOption == null)
{
_canalOption = new CanalOption();
}
UpdateFromEnv(_canalOption);
if (string.IsNullOrEmpty(_canalOption.Host) || string.IsNullOrEmpty(_canalOption.Destination) ||
string.IsNullOrEmpty(_canalOption.MysqlName) ||
string.IsNullOrEmpty(_canalOption.MysqlPwd) || _canalOption.Port < 1 || _canalOption.Timer < 1 || _canalOption.GetCountsPerTimes < 1)
{
throw new ArgumentNullException("Canal param in appsettings.json is not correct!");
}
if (string.IsNullOrEmpty(_canalOption.Subscribe))
{
_canalOption.Subscribe = ".*\\..*";
}
_scope = scopeFactory.CreateScope();
}
