/// <summary>
/// Corresponds to CLI "run" keyword. Executes handler specified by run options.
/// </summary>
public void Execute()
{
Type recordType = ActivatorUtil.ResolveType(Type, ActivatorSettings.Assemblies)
?? throw new ArgumentException($"Type '{Type}' not found");
// Register type in BsonClassMap if not yet registered.
// This part is critical for derived types, since collection creation registers only base type.
if (!BsonClassMap.IsClassMapRegistered(recordType))
{
MethodInfo registerMap = typeof(BsonClassMap)
.GetMethod(nameof(BsonClassMap.RegisterClassMap), new Type[] { })
.MakeGenericMethod(recordType);
registerMap.Invoke(null, new object[] { });
}
(Type keyType, Type baseRecordType) = GetRecordTypeArguments(recordType);
MethodInfo createHandlerMethod = typeof(RunCommand)
.GetMethod(nameof(CreateHandler), BindingFlags.Static | BindingFlags.NonPublic)
.MakeGenericMethod(keyType, baseRecordType, recordType);
// TODO: changes to db naming should be synchronized with client, afterwards connection should be parsed from source
string connectionLiteral = "ConnectionString=";
// Extract ConnectionString from source string
string[] sourceParams = Source.Split(',');
string connectionString = sourceParams.First(t => t.StartsWith(connectionLiteral)).Substring(connectionLiteral.Length);
// Convert connection string to db name and hosts
MongoUrl url = MongoUrl.Create(connectionString);
// Use case insensitive parsing for the environment type
var dataSource = new TemporalMongoDataSource
{
EnvType = Enum.Parse <EnvType>(EnvType, true),
EnvGroup = EnvGroup,
EnvName = EnvName,
MongoServer = new MongoServerKey {
MongoServerUri = $"mongodb://{url.Server}"
}
};
var context = new Context();
context.DataSource = dataSource;
context.DataSet = TemporalId.Empty;
object record = createHandlerMethod.Invoke(null, new object[] { context, this });
MethodInfo handlerMethod = record.GetType().GetMethod(Handler)
?? throw new ArgumentException($"Method '{Handler}' not found");
// Check that method has [HandlerMethod] attribute before calling it.
if (handlerMethod.GetCustomAttribute <HandlerMethodAttribute>() == null)
{
throw new Exception($"Cannot run {Handler} method, missing [HandlerMethod] attribute.");
}
handlerMethod.Invoke(record, ActivatorUtil.CreateParameterValues(handlerMethod, Arguments));
}