com.alibaba.nacos.config.server.service

类 ConfigCacheService

java.lang.Object

com.alibaba.nacos.config.server.service.ConfigCacheService

public class ConfigCacheService
extends Object

Config service.

作者:

Nacos

构造器概要

构造器

构造器和说明
ConfigCacheService()

方法概要

限定符和类型	方法和说明
static List<String>	checkMd5() Check md5.
static boolean	dump(String dataId, String group, String tenant, String content, long lastModifiedTs, String type) Save config file and update md5 value in cache.
static boolean	dumpBeta(String dataId, String group, String tenant, String content, long lastModifiedTs, String betaIps) Save config file and update md5 value in cache.
static boolean	dumpChange(String dataId, String group, String tenant, String content, long lastModifiedTs) Save config file and update md5 value in cache.
static boolean	dumpTag(String dataId, String group, String tenant, String tag, String content, long lastModifiedTs) Save config file and update md5 value in cache.
static List<String>	getBetaIps(String groupKey) Get and return beta ip list.
static String	getContentBetaMd5(String groupKey) Get and return beta md5 value from cache.
static CacheItem	getContentCache(String groupKey) Get and return content cache.
static String	getContentMd5(String groupKey) Get and return content md5 value from cache.
static String	getContentMd5(String groupKey, String ip, String tag)
static String	getContentTagMd5(String groupKey, String tag) Get and return tag md5 value from cache.
static long	getLastModifiedTs(String groupKey)
static int	groupCount()
static boolean	hasGroupKey(String groupKey)
static boolean	isUptodate(String groupKey, String md5)
static boolean	isUptodate(String groupKey, String md5, String ip, String tag)
static void	releaseReadLock(String groupKey) Release readLock.
static void	reloadConfig() Reload config.
static boolean	remove(String dataId, String group, String tenant) Delete config file, and delete cache.
static boolean	removeBeta(String dataId, String group, String tenant) Delete beta config file, and delete cache.
static boolean	removeTag(String dataId, String group, String tenant, String tag) Delete tag config file, and delete cache.
static int	tryReadLock(String groupKey) Try to add read lock.
static void	updateBetaMd5(String groupKey, String md5, List<String> ips4Beta, long lastModifiedTs) Update Beta md5 value.
static void	updateMd5(String groupKey, String md5, long lastModifiedTs) Update md5 value.
static void	updateTagMd5(String groupKey, String tag, String md5, long lastModifiedTs) Update tag md5 value.

从类继承的方法 java.lang.Object

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

构造器详细资料

ConfigCacheService

public ConfigCacheService()

方法详细资料

groupCount

public static int groupCount()

hasGroupKey

public static boolean hasGroupKey(String groupKey)

dump

public static boolean dump(String dataId,
                           String group,
                           String tenant,
                           String content,
                           long lastModifiedTs,
                           String type)

Save config file and update md5 value in cache.

参数:

dataId - dataId string value.

group - group string value.

tenant - tenant string value.

content - content string value.

lastModifiedTs - lastModifiedTs.

type - file type.

返回:

dumpChange success or not.

dumpBeta

public static boolean dumpBeta(String dataId,
                               String group,
                               String tenant,
                               String content,
                               long lastModifiedTs,
                               String betaIps)

Save config file and update md5 value in cache.

参数:

dataId - dataId string value.

group - group string value.

tenant - tenant string value.

content - content string value.

lastModifiedTs - lastModifiedTs.

betaIps - betaIps string value.

返回:

dumpChange success or not.

dumpTag

public static boolean dumpTag(String dataId,
                              String group,
                              String tenant,
                              String tag,
                              String content,
                              long lastModifiedTs)

Save config file and update md5 value in cache.

参数:

dataId - dataId string value.

group - group string value.

tenant - tenant string value.

content - content string value.

lastModifiedTs - lastModifiedTs.

tag - tag string value.

返回:

dumpChange success or not.

dumpChange

public static boolean dumpChange(String dataId,
                                 String group,
                                 String tenant,
                                 String content,
                                 long lastModifiedTs)

Save config file and update md5 value in cache.

参数:

dataId - dataId string value.

group - group string value.

tenant - tenant string value.

content - content string value.

lastModifiedTs - lastModifiedTs.

返回:

dumpChange success or not.

reloadConfig

public static void reloadConfig()

Reload config.

checkMd5

public static List<String> checkMd5()

Check md5.

返回:

return diff result list.

remove

public static boolean remove(String dataId,
                             String group,
                             String tenant)

Delete config file, and delete cache.

参数:

dataId - dataId string value.

group - group string value.

tenant - tenant string value.

返回:

remove success or not.

removeBeta

public static boolean removeBeta(String dataId,
                                 String group,
                                 String tenant)

Delete beta config file, and delete cache.

参数:

dataId - dataId string value.

group - group string value.

tenant - tenant string value.

返回:

remove success or not.

removeTag

public static boolean removeTag(String dataId,
                                String group,
                                String tenant,
                                String tag)

Delete tag config file, and delete cache.

参数:

dataId - dataId string value.

group - group string value.

tenant - tenant string value.

tag - tag string value.

返回:

remove success or not.

updateMd5

public static void updateMd5(String groupKey,
                             String md5,
                             long lastModifiedTs)

Update md5 value.

参数:

groupKey - groupKey string value.

md5 - md5 string value.

lastModifiedTs - lastModifiedTs long value.

updateBetaMd5

public static void updateBetaMd5(String groupKey,
                                 String md5,
                                 List<String> ips4Beta,
                                 long lastModifiedTs)

Update Beta md5 value.

参数:

groupKey - groupKey string value.

md5 - md5 string value.

ips4Beta - ips4Beta List.

lastModifiedTs - lastModifiedTs long value.

updateTagMd5

public static void updateTagMd5(String groupKey,
                                String tag,
                                String md5,
                                long lastModifiedTs)

Update tag md5 value.

参数:

groupKey - groupKey string value.

tag - tag string value.

md5 - md5 string value.

lastModifiedTs - lastModifiedTs long value.

getContentMd5

public static String getContentMd5(String groupKey)

Get and return content md5 value from cache. Empty string represents no data.

getContentMd5

public static String getContentMd5(String groupKey,
                                   String ip,
                                   String tag)

getContentBetaMd5

public static String getContentBetaMd5(String groupKey)

Get and return beta md5 value from cache. Empty string represents no data.

getContentTagMd5

public static String getContentTagMd5(String groupKey,
                                      String tag)

Get and return tag md5 value from cache. Empty string represents no data.

参数:

groupKey - groupKey string value.

tag - tag string value.

返回:

Content Tag Md5 value.

getBetaIps

public static List<String> getBetaIps(String groupKey)

Get and return beta ip list.

参数:

groupKey - groupKey string value.

返回:

list beta ips.

getContentCache

public static CacheItem getContentCache(String groupKey)

Get and return content cache.

参数:

groupKey - groupKey string value.

返回:

CacheItem.

getLastModifiedTs

public static long getLastModifiedTs(String groupKey)

isUptodate

public static boolean isUptodate(String groupKey,
                                 String md5)

isUptodate

public static boolean isUptodate(String groupKey,
                                 String md5,
                                 String ip,
                                 String tag)

tryReadLock

public static int tryReadLock(String groupKey)

Try to add read lock. If it succeeded, then it can call releaseWriteLock(String).And it won't call if failed.

参数:

groupKey - groupKey string value.

返回:

0 - No data and failed. Positive number - lock succeeded. Negative number - lock failed。

releaseReadLock

public static void releaseReadLock(String groupKey)

Release readLock.

参数:

groupKey - groupKey string value.