public void open()

in flink-connector-elasticsearch-base/src/main/java/org/apache/flink/connector/elasticsearch/table/RowElasticsearchEmitter.java [68:87]


    public void open() {
        try {
            serializationSchema.open(
                    new SerializationSchema.InitializationContext() {
                        @Override
                        public MetricGroup getMetricGroup() {
                            return new UnregisteredMetricsGroup();
                        }

                        @Override
                        public UserCodeClassLoader getUserCodeClassLoader() {
                            return SimpleUserCodeClassLoader.create(
                                    RowElasticsearchEmitter.class.getClassLoader());
                        }
                    });
        } catch (Exception e) {
            throw new FlinkRuntimeException("Failed to initialize serialization schema.", e);
        }
        indexGenerator.open();
    }