程序包 com.alibaba.nacos.config.server.controller

类 ConfigServletInner

java.lang.Object

com.alibaba.nacos.config.server.controller.ConfigServletInner

@Service
public class ConfigServletInner
extends java.lang.Object

ConfigServlet inner for aop.

作者:

Nacos

字段概要

字段

修饰符和类型	字段	说明
private ConfigInfoBetaPersistService	configInfoBetaPersistService
private ConfigInfoPersistService	configInfoPersistService
private ConfigInfoTagPersistService	configInfoTagPersistService
private static org.slf4j.Logger	LOGGER
private LongPollingService	longPollingService
private static int	START_LONG_POLLING_VERSION_NUM
private static int	TRY_GET_LOCK_TIMES

构造器概要

构造器

构造器	说明
ConfigServletInner(LongPollingService longPollingService, ConfigInfoPersistService configInfoPersistService, ConfigInfoBetaPersistService configInfoBetaPersistService, ConfigInfoTagPersistService configInfoTagPersistService)

方法概要

修饰符和类型	方法	说明
java.lang.String	doGetConfig(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String dataId, java.lang.String group, java.lang.String tenant, java.lang.String tag, java.lang.String isNotify, java.lang.String clientIp)	Execute to get config [API V1].
java.lang.String	doGetConfig(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String dataId, java.lang.String group, java.lang.String tenant, java.lang.String tag, java.lang.String isNotify, java.lang.String clientIp, boolean isV2)	Execute to get config [API V1] or [API V2].
java.lang.String	doPollingConfig(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.util.Map<java.lang.String,java.lang.String> clientMd5Map, int probeRequestSize)	long polling the config.
private static boolean	fileNotExist(java.io.File file)
private java.lang.String	get404Result(javax.servlet.http.HttpServletResponse response, boolean isV2)
private java.lang.String	get409Result(javax.servlet.http.HttpServletResponse response, boolean isV2)
private static boolean	isUseTag(CacheItem cacheItem, java.lang.String tag)
private static void	releaseConfigReadLock(java.lang.String groupKey)
private static int	tryConfigReadLock(java.lang.String groupKey)	Try to add read lock.

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

TRY_GET_LOCK_TIMES

private static final int TRY_GET_LOCK_TIMES

另请参阅:

常量字段值

START_LONG_POLLING_VERSION_NUM

private static final int START_LONG_POLLING_VERSION_NUM

另请参阅:

常量字段值

LOGGER

private static final org.slf4j.Logger LOGGER

longPollingService

private final LongPollingService longPollingService

configInfoPersistService

private ConfigInfoPersistService configInfoPersistService

configInfoBetaPersistService

private ConfigInfoBetaPersistService configInfoBetaPersistService

configInfoTagPersistService

private ConfigInfoTagPersistService configInfoTagPersistService

构造器详细资料

ConfigServletInner

public ConfigServletInner(LongPollingService longPollingService,
                          ConfigInfoPersistService configInfoPersistService,
                          ConfigInfoBetaPersistService configInfoBetaPersistService,
                          ConfigInfoTagPersistService configInfoTagPersistService)

方法详细资料

doPollingConfig

public java.lang.String doPollingConfig(javax.servlet.http.HttpServletRequest request,
                                        javax.servlet.http.HttpServletResponse response,
                                        java.util.Map<java.lang.String,java.lang.String> clientMd5Map,
                                        int probeRequestSize)
                                 throws java.io.IOException

long polling the config.

抛出:

java.io.IOException

doGetConfig

public java.lang.String doGetConfig(javax.servlet.http.HttpServletRequest request,
                                    javax.servlet.http.HttpServletResponse response,
                                    java.lang.String dataId,
                                    java.lang.String group,
                                    java.lang.String tenant,
                                    java.lang.String tag,
                                    java.lang.String isNotify,
                                    java.lang.String clientIp)
                             throws java.io.IOException,
                                    javax.servlet.ServletException

Execute to get config [API V1].

抛出:

java.io.IOException

javax.servlet.ServletException

doGetConfig

public java.lang.String doGetConfig(javax.servlet.http.HttpServletRequest request,
                                    javax.servlet.http.HttpServletResponse response,
                                    java.lang.String dataId,
                                    java.lang.String group,
                                    java.lang.String tenant,
                                    java.lang.String tag,
                                    java.lang.String isNotify,
                                    java.lang.String clientIp,
                                    boolean isV2)
                             throws java.io.IOException,
                                    javax.servlet.ServletException

Execute to get config [API V1] or [API V2].

抛出:

java.io.IOException

javax.servlet.ServletException

releaseConfigReadLock

private static void releaseConfigReadLock(java.lang.String groupKey)

get404Result

private java.lang.String get404Result(javax.servlet.http.HttpServletResponse response,
                                      boolean isV2)
                               throws java.io.IOException

抛出:

java.io.IOException

get409Result

private java.lang.String get409Result(javax.servlet.http.HttpServletResponse response,
                                      boolean isV2)
                               throws java.io.IOException

抛出:

java.io.IOException

tryConfigReadLock

private static int tryConfigReadLock(java.lang.String groupKey)

Try to add read lock.

参数:

groupKey - groupKey string value.

返回:

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

isUseTag

private static boolean isUseTag(CacheItem cacheItem,
                                java.lang.String tag)

fileNotExist

private static boolean fileNotExist(java.io.File file)