in flink-connector-cassandra/src/main/java/org/apache/flink/batch/connectors/cassandra/CassandraPojoOutputFormat.java [73:83]
protected void postOpen() {
super.postOpen();
MappingManager mappingManager = new MappingManager(session);
this.mapper = mappingManager.mapper(outputClass);
if (mapperOptions != null) {
Mapper.Option[] optionsArray = mapperOptions.getMapperOptions();
if (optionsArray != null) {
mapper.setDefaultSaveOptions(optionsArray);
}
}
}