com.jn.langx.util.io.file

类 DirectoryLock

java.lang.Object

com.jn.langx.util.io.file.DirectoryLock

public final class DirectoryLock
extends Object

A DirectoryLock represents a lock on a specific directory.

DirectoryLock is acquired by calling lockForDirectory(File, Logger).

字段概要

字段

限定符和类型	字段和说明
static String	FILE_NAME

方法概要

限定符和类型	方法和说明
File	getDir() Returns the locked directory.
static DirectoryLock	lockForDirectory(File dir, org.slf4j.Logger logger) Acquires a lock for given directory.
void	release() Releases the lock on directory.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

FILE_NAME

public static final String FILE_NAME

另请参阅:

常量字段值

方法详细资料

getDir

public File getDir()

Returns the locked directory.

release

public void release()

Releases the lock on directory.

lockForDirectory

public static DirectoryLock lockForDirectory(File dir,
                                             org.slf4j.Logger logger)

Acquires a lock for given directory. A special file, named lock, is created inside the directory and that file is locked.

参数:

dir - the directory

logger - logger

抛出:

RuntimeIOException - If lock file cannot be created or it's already locked