java.lang.Object
- com.alibaba.nacos.config.server.constant.Constants

```
public class Constants
extends Object
```
Server Constants

Author:

Nacos

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`ACCEPT_ENCODING`
`static String`	`ACL_RESPONSE`	鉴权结果信息
`static String`	`APPNAME`
`static int`	`ASYNC_UPDATE_ADDRESS_INTERVAL`	秒
`static int`	`ATOMIC_MAX_SIZE`
`static String`	`BASE_DIR`	server端配置文件基目录
`static String`	`BASE_PATH`
`static int`	`BATCH_ADD_SUCCESS`	新增成功
`static int`	`BATCH_OP_ERROR`	发生异常
`static String`	`BATCH_OP_ERROR_CONFLICT_MSG`
`static String`	`BATCH_OP_ERROR_IO_MSG`
`static int`	`BATCH_QUERY_EXISTS`	查询成功, 数据存在
`static String`	`BATCH_QUERY_EXISTS_MSG`
`static String`	`BATCH_QUERY_NONEEXISTS_MSG`
`static int`	`BATCH_QUERY_NONEXISTS`	查询成功, 数据不存在
`static int`	`BATCH_UPDATE_SUCCESS`	更新成功
`static String`	`CAPACITY_CONTROLLER_PATH`
`static String`	`CLIENT_APPNAME_HEADER`
`static String`	`CLIENT_REQUEST_TOKEN_HEADER`
`static String`	`CLIENT_REQUEST_TS_HEADER`
`static String`	`CLIENT_VERSION`
`static String`	`CLIENT_VERSION_HEADER`
`static String`	`COMMUNICATION_CONTROLLER_PATH`
`static String`	`CONFIG_BAK_DIR`	server端配置文件备份目录
`static String`	`CONFIG_CONTROLLER_PATH`
`static String`	`CONFIG_VERSION`
`static int`	`CONN_TIMEOUT`	毫秒
`static String`	`CONTENT_ENCODING`
`static String`	`CONTENT_MD5`
`static String`	`DAILY_DOMAINNAME`
`static int`	`DATA_IN_BODY_VERSION`
`static String`	`DATAID`
`static String`	`DEFAULT_DOMAINNAME`
`static String`	`DEFAULT_GROUP`
`static String`	`ENCODE`
`static int`	`FIRST_VERSION`	数据的初始版本号
`static int`	`FLOW_CONTROL_INTERVAL`
`static int`	`FLOW_CONTROL_SLOT`
`static int`	`FLOW_CONTROL_THRESHOLD`
`static int`	`GETCONFIG_LOCAL_SERVER_SNAPSHOT`	获取数据的顺序：容灾文件-> 服务器 -> 本地缓存
`static int`	`GETCONFIG_LOCAL_SNAPSHOT_SERVER`	获取数据的顺序：容灾文件-> 本地缓存 -> 服务器
`static String`	`GROUP`
`static String`	`HEALTH_CONTROLLER_PATH`
`static String`	`HISTORY_CONTROLLER_PATH`
`static String`	`IF_MODIFIED_SINCE`
`static String`	`LAST_MODIFIED`
`static String`	`LINE_SEPARATOR`
`static String`	`LISTENER_CONTROLLER_PATH`
`static String`	`MAP_FILE`
`static int`	`MAX_ADDACK_COUNT`
`static int`	`MAX_NOTIFY_COUNT`
`static int`	`MAX_REMOVE_FAIL_COUNT`
`static int`	`MAX_REMOVEALL_FAIL_COUNT`
`static int`	`MAX_UPDATE_FAIL_COUNT`
`static int`	`MAX_UPDATEALL_FAIL_COUNT`
`static String`	`NACOS_LINE_SEPARATOR`
`static String`	`NAMESPACE_CONTROLLER_PATH`
`static String`	`NULL`
`static int`	`ONCE_TIMEOUT`	毫秒
`static String`	`OPS_CONTROLLER_PATH`
`static int`	`POISON_VERSION`	数据被删除的标识版本号
`static int`	`POLLING_INTERVAL_TIME`	秒
`static String`	`PROBE_MODIFY_REQUEST`
`static String`	`PROBE_MODIFY_RESPONSE`
`static String`	`PROBE_MODIFY_RESPONSE_NEW`
`static int`	`RECV_WAIT_TIMEOUT`	毫秒
`static String`	`REQUEST_IDENTITY`	client, sdk请求server服务的身份
`static int`	`SO_TIMEOUT`	毫秒
`static String`	`SPACING_INTERVAL`
`static int`	`TEMP_VERSION`	写磁盘文件时, 临时版本号
`static long`	`TOTALTIME_FROM_SERVER`	从网络获取数据的总时间, 当超过此时间, 不再从网络获取数据, 单位ms
`static long`	`TOTALTIME_INVALID_THRESHOLD`	从网络获取数据的总时间的失效时间, 单位ms
`static String`	`UNKNOWN_APP`
`static String`	`USE_ZIP`
`static String`	`WORD_SEPARATOR`

Constructor Summary

Constructors
Constructor Description

Constants()

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - CLIENT_VERSION_HEADER
```
public static final String CLIENT_VERSION_HEADER
```
    See Also:
    
    Constant Field Values
  - CLIENT_VERSION
```
public static final String CLIENT_VERSION
```
    See Also:
    
    Constant Field Values
  - DATA_IN_BODY_VERSION
```
public static int DATA_IN_BODY_VERSION
```
  - DEFAULT_GROUP
```
public static final String DEFAULT_GROUP
```
    See Also:
    
    Constant Field Values
  - BASE_DIR
```
public static final String BASE_DIR
```
    server端配置文件基目录
    
    See Also:
    
    Constant Field Values
  - CONFIG_BAK_DIR
```
public static final String CONFIG_BAK_DIR
```
    server端配置文件备份目录
  - APPNAME
```
public static final String APPNAME
```
    See Also:
    
    Constant Field Values
  - UNKNOWN_APP
```
public static final String UNKNOWN_APP
```
    See Also:
    
    Constant Field Values
  - DEFAULT_DOMAINNAME
```
public static final String DEFAULT_DOMAINNAME
```
    See Also:
    
    Constant Field Values
  - DAILY_DOMAINNAME
```
public static final String DAILY_DOMAINNAME
```
    See Also:
    
    Constant Field Values
  - NULL
```
public static final String NULL
```
    See Also:
    
    Constant Field Values
  - DATAID
```
public static final String DATAID
```
    See Also:
    
    Constant Field Values
  - GROUP
```
public static final String GROUP
```
    See Also:
    
    Constant Field Values
  - LAST_MODIFIED
```
public static final String LAST_MODIFIED
```
    See Also:
    
    Constant Field Values
  - ACCEPT_ENCODING
```
public static final String ACCEPT_ENCODING
```
    See Also:
    
    Constant Field Values
  - CONTENT_ENCODING
```
public static final String CONTENT_ENCODING
```
    See Also:
    
    Constant Field Values
  - PROBE_MODIFY_REQUEST
```
public static final String PROBE_MODIFY_REQUEST
```
    See Also:
    
    Constant Field Values
  - PROBE_MODIFY_RESPONSE
```
public static final String PROBE_MODIFY_RESPONSE
```
    See Also:
    
    Constant Field Values
  - PROBE_MODIFY_RESPONSE_NEW
```
public static final String PROBE_MODIFY_RESPONSE_NEW
```
    See Also:
    
    Constant Field Values
  - USE_ZIP
```
public static final String USE_ZIP
```
    See Also:
    
    Constant Field Values
  - CONTENT_MD5
```
public static final String CONTENT_MD5
```
    See Also:
    
    Constant Field Values
  - CONFIG_VERSION
```
public static final String CONFIG_VERSION
```
    See Also:
    
    Constant Field Values
  - IF_MODIFIED_SINCE
```
public static final String IF_MODIFIED_SINCE
```
    See Also:
    
    Constant Field Values
  - SPACING_INTERVAL
```
public static final String SPACING_INTERVAL
```
    See Also:
    
    Constant Field Values
  - ASYNC_UPDATE_ADDRESS_INTERVAL
```
public static final int ASYNC_UPDATE_ADDRESS_INTERVAL
```
    秒
    
    See Also:
    
    Constant Field Values
  - POLLING_INTERVAL_TIME
```
public static final int POLLING_INTERVAL_TIME
```
    秒
    
    See Also:
    
    Constant Field Values
  - ONCE_TIMEOUT
```
public static final int ONCE_TIMEOUT
```
    毫秒
    
    See Also:
    
    Constant Field Values
  - CONN_TIMEOUT
```
public static final int CONN_TIMEOUT
```
    毫秒
    
    See Also:
    
    Constant Field Values
  - SO_TIMEOUT
```
public static final int SO_TIMEOUT
```
    毫秒
    
    See Also:
    
    Constant Field Values
  - RECV_WAIT_TIMEOUT
```
public static final int RECV_WAIT_TIMEOUT
```
    毫秒
    
    See Also:
    
    Constant Field Values
  - BASE_PATH
```
public static final String BASE_PATH
```
    See Also:
    
    Constant Field Values
  - OPS_CONTROLLER_PATH
```
public static final String OPS_CONTROLLER_PATH
```
    See Also:
    
    Constant Field Values
  - CAPACITY_CONTROLLER_PATH
```
public static final String CAPACITY_CONTROLLER_PATH
```
    See Also:
    
    Constant Field Values
  - COMMUNICATION_CONTROLLER_PATH
```
public static final String COMMUNICATION_CONTROLLER_PATH
```
    See Also:
    
    Constant Field Values
  - CONFIG_CONTROLLER_PATH
```
public static final String CONFIG_CONTROLLER_PATH
```
    See Also:
    
    Constant Field Values
  - HEALTH_CONTROLLER_PATH
```
public static final String HEALTH_CONTROLLER_PATH
```
    See Also:
    
    Constant Field Values
  - HISTORY_CONTROLLER_PATH
```
public static final String HISTORY_CONTROLLER_PATH
```
    See Also:
    
    Constant Field Values
  - LISTENER_CONTROLLER_PATH
```
public static final String LISTENER_CONTROLLER_PATH
```
    See Also:
    
    Constant Field Values
  - NAMESPACE_CONTROLLER_PATH
```
public static final String NAMESPACE_CONTROLLER_PATH
```
    See Also:
    
    Constant Field Values
  - ENCODE
```
public static final String ENCODE
```
    See Also:
    
    Constant Field Values
  - MAP_FILE
```
public static final String MAP_FILE
```
    See Also:
    
    Constant Field Values
  - FLOW_CONTROL_THRESHOLD
```
public static final int FLOW_CONTROL_THRESHOLD
```
    See Also:
    
    Constant Field Values
  - FLOW_CONTROL_SLOT
```
public static final int FLOW_CONTROL_SLOT
```
    See Also:
    
    Constant Field Values
  - FLOW_CONTROL_INTERVAL
```
public static final int FLOW_CONTROL_INTERVAL
```
    See Also:
    
    Constant Field Values
  - LINE_SEPARATOR
```
public static final String LINE_SEPARATOR
```
  - WORD_SEPARATOR
```
public static final String WORD_SEPARATOR
```
  - NACOS_LINE_SEPARATOR
```
public static final String NACOS_LINE_SEPARATOR
```
    See Also:
    
    Constant Field Values
  - TOTALTIME_FROM_SERVER
```
public static final long TOTALTIME_FROM_SERVER
```
    从网络获取数据的总时间, 当超过此时间, 不再从网络获取数据, 单位ms
    
    See Also:
    
    Constant Field Values
  - TOTALTIME_INVALID_THRESHOLD
```
public static final long TOTALTIME_INVALID_THRESHOLD
```
    从网络获取数据的总时间的失效时间, 单位ms
    
    See Also:
    
    Constant Field Values
  - BATCH_OP_ERROR
```
public static final int BATCH_OP_ERROR
```
    发生异常
    
    See Also:
    
    Constant Field Values
  - BATCH_OP_ERROR_IO_MSG
```
public static final String BATCH_OP_ERROR_IO_MSG
```
    See Also:
    
    Constant Field Values
  - BATCH_OP_ERROR_CONFLICT_MSG
```
public static final String BATCH_OP_ERROR_CONFLICT_MSG
```
    See Also:
    
    Constant Field Values
  - BATCH_QUERY_EXISTS
```
public static final int BATCH_QUERY_EXISTS
```
    查询成功, 数据存在
    
    See Also:
    
    Constant Field Values
  - BATCH_QUERY_EXISTS_MSG
```
public static final String BATCH_QUERY_EXISTS_MSG
```
    See Also:
    
    Constant Field Values
  - BATCH_QUERY_NONEXISTS
```
public static final int BATCH_QUERY_NONEXISTS
```
    查询成功, 数据不存在
    
    See Also:
    
    Constant Field Values
  - BATCH_QUERY_NONEEXISTS_MSG
```
public static final String BATCH_QUERY_NONEEXISTS_MSG
```
    See Also:
    
    Constant Field Values
  - BATCH_ADD_SUCCESS
```
public static final int BATCH_ADD_SUCCESS
```
    新增成功
    
    See Also:
    
    Constant Field Values
  - BATCH_UPDATE_SUCCESS
```
public static final int BATCH_UPDATE_SUCCESS
```
    更新成功
    
    See Also:
    
    Constant Field Values
  - MAX_UPDATE_FAIL_COUNT
```
public static final int MAX_UPDATE_FAIL_COUNT
```
    See Also:
    
    Constant Field Values
  - MAX_UPDATEALL_FAIL_COUNT
```
public static final int MAX_UPDATEALL_FAIL_COUNT
```
    See Also:
    
    Constant Field Values
  - MAX_REMOVE_FAIL_COUNT
```
public static final int MAX_REMOVE_FAIL_COUNT
```
    See Also:
    
    Constant Field Values
  - MAX_REMOVEALL_FAIL_COUNT
```
public static final int MAX_REMOVEALL_FAIL_COUNT
```
    See Also:
    
    Constant Field Values
  - MAX_NOTIFY_COUNT
```
public static final int MAX_NOTIFY_COUNT
```
    See Also:
    
    Constant Field Values
  - MAX_ADDACK_COUNT
```
public static final int MAX_ADDACK_COUNT
```
    See Also:
    
    Constant Field Values
  - FIRST_VERSION
```
public static final int FIRST_VERSION
```
    数据的初始版本号
    
    See Also:
    
    Constant Field Values
  - POISON_VERSION
```
public static final int POISON_VERSION
```
    数据被删除的标识版本号
    
    See Also:
    
    Constant Field Values
  - TEMP_VERSION
```
public static final int TEMP_VERSION
```
    写磁盘文件时, 临时版本号
    
    See Also:
    
    Constant Field Values
  - GETCONFIG_LOCAL_SERVER_SNAPSHOT
```
public static final int GETCONFIG_LOCAL_SERVER_SNAPSHOT
```
    获取数据的顺序：容灾文件-> 服务器 -> 本地缓存
    
    See Also:
    
    Constant Field Values
  - GETCONFIG_LOCAL_SNAPSHOT_SERVER
```
public static final int GETCONFIG_LOCAL_SNAPSHOT_SERVER
```
    获取数据的顺序：容灾文件-> 本地缓存 -> 服务器
    
    See Also:
    
    Constant Field Values
  - CLIENT_APPNAME_HEADER
```
public static final String CLIENT_APPNAME_HEADER
```
    See Also:
    
    Constant Field Values
  - CLIENT_REQUEST_TS_HEADER
```
public static final String CLIENT_REQUEST_TS_HEADER
```
    See Also:
    
    Constant Field Values
  - CLIENT_REQUEST_TOKEN_HEADER
```
public static final String CLIENT_REQUEST_TOKEN_HEADER
```
    See Also:
    
    Constant Field Values
  - REQUEST_IDENTITY
```
public static final String REQUEST_IDENTITY
```
    client, sdk请求server服务的身份
    
    See Also:
    
    Constant Field Values
  - ACL_RESPONSE
```
public static final String ACL_RESPONSE
```
    鉴权结果信息
    
    See Also:
    
    Constant Field Values
  - ATOMIC_MAX_SIZE
```
public static final int ATOMIC_MAX_SIZE
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Constants
```
public Constants()
```

Class Constants

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CLIENT_VERSION_HEADER

CLIENT_VERSION

DATA_IN_BODY_VERSION

DEFAULT_GROUP

BASE_DIR

CONFIG_BAK_DIR

APPNAME

UNKNOWN_APP

DEFAULT_DOMAINNAME

DAILY_DOMAINNAME

NULL

DATAID

GROUP

LAST_MODIFIED

ACCEPT_ENCODING

CONTENT_ENCODING

PROBE_MODIFY_REQUEST

PROBE_MODIFY_RESPONSE

PROBE_MODIFY_RESPONSE_NEW

USE_ZIP

CONTENT_MD5

CONFIG_VERSION

IF_MODIFIED_SINCE

SPACING_INTERVAL

ASYNC_UPDATE_ADDRESS_INTERVAL

POLLING_INTERVAL_TIME

ONCE_TIMEOUT

CONN_TIMEOUT

SO_TIMEOUT

RECV_WAIT_TIMEOUT

BASE_PATH

OPS_CONTROLLER_PATH

CAPACITY_CONTROLLER_PATH

COMMUNICATION_CONTROLLER_PATH

CONFIG_CONTROLLER_PATH

HEALTH_CONTROLLER_PATH

HISTORY_CONTROLLER_PATH

LISTENER_CONTROLLER_PATH

NAMESPACE_CONTROLLER_PATH

ENCODE

MAP_FILE

FLOW_CONTROL_THRESHOLD

FLOW_CONTROL_SLOT

FLOW_CONTROL_INTERVAL

LINE_SEPARATOR

WORD_SEPARATOR

NACOS_LINE_SEPARATOR

TOTALTIME_FROM_SERVER

TOTALTIME_INVALID_THRESHOLD

BATCH_OP_ERROR

BATCH_OP_ERROR_IO_MSG

BATCH_OP_ERROR_CONFLICT_MSG

BATCH_QUERY_EXISTS

BATCH_QUERY_EXISTS_MSG

BATCH_QUERY_NONEXISTS

BATCH_QUERY_NONEEXISTS_MSG

BATCH_ADD_SUCCESS

BATCH_UPDATE_SUCCESS

MAX_UPDATE_FAIL_COUNT

MAX_UPDATEALL_FAIL_COUNT

MAX_REMOVE_FAIL_COUNT

MAX_REMOVEALL_FAIL_COUNT

MAX_NOTIFY_COUNT

MAX_ADDACK_COUNT

FIRST_VERSION

POISON_VERSION

TEMP_VERSION

GETCONFIG_LOCAL_SERVER_SNAPSHOT

GETCONFIG_LOCAL_SNAPSHOT_SERVER

CLIENT_APPNAME_HEADER

CLIENT_REQUEST_TS_HEADER

CLIENT_REQUEST_TOKEN_HEADER

REQUEST_IDENTITY

ACL_RESPONSE