in flink-connector-cassandra/src/main/java/org/apache/flink/streaming/connectors/cassandra/CassandraSink.java [565:582]
protected CassandraSink<Row> createWriteAheadSink() throws Exception {
return committer == null
? new CassandraSink<>(
input.transform(
"Cassandra Sink",
null,
new CassandraRowWriteAheadSink(
query,
serializer,
builder,
new CassandraCommitter(builder))))
: new CassandraSink<>(
input.transform(
"Cassandra Sink",
null,
new CassandraRowWriteAheadSink(
query, serializer, builder, committer)));
}