public void write()

in flink-connector-elasticsearch-base/src/main/java/org/apache/flink/connector/elasticsearch/sink/ElasticsearchWriter.java [120:126]


    public void write(IN element, Context context) throws IOException, InterruptedException {
        // do not allow new bulk writes until all actions are flushed
        while (checkpointInProgress) {
            mailboxExecutor.yield();
        }
        emitter.emit(element, context, requestIndexer);
    }