void function ( ) { this . parent . lock ( this . lockFile ) ; }
acquire the lock . concode_field_sep Path lockFile concode_elem_sep String JOB_LOCK_DIR concode_elem_sep String LOCK_FILE_EXTENSION concode_elem_sep FileBasedJobLockFactory parent concode_field_sep void unlock concode_elem_sep boolean isLocked concode_elem_sep Path getLockFile concode_elem_sep void close concode_elem_sep boolean tryLock