public CassandraStateFactory getSelectWeatherStationStateFactory() {
CassandraState.Options options = new CassandraState.Options(new CassandraContext());
CQLStatementTupleMapper insertTemperatureValues =
boundQuery("SELECT name FROM weather.station WHERE id = ?")
.bind(with(field("weather_station_id").as("id")));
options.withCQLStatementTupleMapper(insertTemperatureValues);
options.withCQLResultSetValuesMapper(new TridentResultSetValuesMapper(new Fields("name")));
return new CassandraStateFactory(options);
}
private CassandraStateFactory getInsertTemperatureStateFactory() {
CassandraState.Options options = new CassandraState.Options(new CassandraContext());
CQLStatementTupleMapper insertTemperatureValues =
boundQuery(
"INSERT INTO weather.temperature(weather_station_id, weather_station_name, event_time, temperature) VALUES(?, ?, ?, ?)")
.bind(
with(
field("weather_station_id"),
field("name").as("weather_station_name"),
field("event_time").now(),
field("temperature")));
options.withCQLStatementTupleMapper(insertTemperatureValues);
return new CassandraStateFactory(options);
}
