程序包 com.alibaba.nacos.sys.file

类 WatchFileCenter

java.lang.Object

com.alibaba.nacos.sys.file.WatchFileCenter

public class WatchFileCenter
extends java.lang.Object

Unified file change monitoring management center, which uses WatchService internally. One file directory corresponds to one WatchService. It can only monitor up to 32 file directories. When a file change occurs, a FileChangeEvent will be issued

作者:

liaochuntao

嵌套类概要

嵌套类

修饰符和类型	类	说明
private static class	WatchFileCenter.WatchDirJob

字段概要

字段

修饰符和类型	字段	说明
private static java.util.concurrent.atomic.AtomicBoolean	CLOSED
private static java.nio.file.FileSystem	FILE_SYSTEM
private static org.slf4j.Logger	LOGGER
private static java.util.Map<java.lang.String,WatchFileCenter.WatchDirJob>	MANAGER
private static int	MAX_WATCH_FILE_JOB	Maximum number of monitored file directories.
private static int	NOW_WATCH_JOB_CNT	The number of directories that are currently monitored.

构造器概要

构造器

构造器	说明
WatchFileCenter()

方法概要

修饰符和类型	方法	说明
private static void	checkState()
static boolean	deregisterAllWatcher(java.lang.String path)	Deregister all FileWatcher in this directory.
static boolean	deregisterWatcher(java.lang.String path, FileWatcher watcher)	Deregister FileWatcher in this directory.
static boolean	registerWatcher(java.lang.String paths, FileWatcher watcher)	Register FileWatcher in this directory.
static void	shutdown()	close WatchFileCenter.

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

LOGGER

private static final org.slf4j.Logger LOGGER

MAX_WATCH_FILE_JOB

private static final int MAX_WATCH_FILE_JOB

Maximum number of monitored file directories.

MANAGER

private static final java.util.Map<java.lang.String,WatchFileCenter.WatchDirJob> MANAGER

FILE_SYSTEM

private static final java.nio.file.FileSystem FILE_SYSTEM

CLOSED

private static final java.util.concurrent.atomic.AtomicBoolean CLOSED

NOW_WATCH_JOB_CNT

private static int NOW_WATCH_JOB_CNT

The number of directories that are currently monitored.

构造器详细资料

WatchFileCenter

public WatchFileCenter()

方法详细资料

registerWatcher

public static boolean registerWatcher(java.lang.String paths,
                                      FileWatcher watcher)
                               throws com.alibaba.nacos.api.exception.NacosException

Register FileWatcher in this directory.

参数:

paths - directory

watcher - FileWatcher

返回:

register is success

抛出:

com.alibaba.nacos.api.exception.NacosException - NacosException

deregisterAllWatcher

public static boolean deregisterAllWatcher(java.lang.String path)

Deregister all FileWatcher in this directory.

参数:

path - directory

返回:

deregister is success

shutdown

public static void shutdown()

close WatchFileCenter.

deregisterWatcher

public static boolean deregisterWatcher(java.lang.String path,
                                        FileWatcher watcher)

Deregister FileWatcher in this directory.

参数:

path - directory

watcher - FileWatcher

返回:

deregister is success

checkState

private static void checkState()