src/main/java/software/amazon/qldb/QldbSession.java
void close() {
        if (!isClosed.getAndSet(true)) {
            session.close();
        }
    }
/**
     * Closes the object so it can't be reused to execute transactions.
     */
Closes the object so it can't be reused to execute transactions.
Closes the object so it can ' t be reused to execute transactions .
void close() {
        if (!isClosed.getAndSet(true)) {
            session.close();
        }
    }
void close ( ) { if ( ! isClosed . getAndSet ( true ) ) { session . close ( ) ; } }
Closes the object so it can't be reused to execute transactions.
Closes the object so it can ' t be reused to execute transactions .