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 LongPollingService	longPollingService
private PersistService	persistService
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()

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.
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)
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

longPollingService

@Autowired
private LongPollingService longPollingService

persistService

@Autowired
private PersistService persistService

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

构造器详细资料

ConfigServletInner

public ConfigServletInner()

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.

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)
                               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)