public synchronized void close()

in flink-connector-jdbc-core/src/main/java/org/apache/flink/connector/jdbc/internal/JdbcOutputFormat.java [203:231]

26 lines of code
7 McCabe index (conditional complexity)


    public synchronized void close() {
        if (!closed) {
            closed = true;

            if (this.scheduledFuture != null) {
                scheduledFuture.cancel(false);
                this.scheduler.shutdown();
            }

            if (batchCount > 0) {
                try {
                    flush();
                } catch (Exception e) {
                    LOG.warn("Writing records to JDBC failed.", e);
                    throw new RuntimeException("Writing records to JDBC failed.", e);
                }
            }

            try {
                if (jdbcStatementExecutor != null) {
                    jdbcStatementExecutor.closeStatements();
                }
            } catch (SQLException e) {
                LOG.warn("Close JDBC writer failed.", e);
            }
        }
        connectionProvider.closeConnection();
        checkFlushException();
    }