question: return true if a write lock is hold by another file watcher concode_field_sep File lockFileTarget concode_elem_sep File lockFile concode_elem_sep long lockFileLastModified concode_elem_sep Logger LOGGER concode_field_sep void writeUnLock concode_elem_sep void writeLock concode_elem_sep void finalize concode_elem_sep boolean hasWriteLock concode_elem_sep void writeLockFileContent
target: boolean function ( ) { return lockFile . exists ( ) && lockFile . lastModified ( ) != lockFileLastModified ; }