程序包 com.alibaba.nacos.naming.consistency.persistent.impl

类 PersistentServiceProcessor

java.lang.Object

com.alibaba.nacos.consistency.RequestProcessor

com.alibaba.nacos.consistency.cp.RequestProcessor4CP

com.alibaba.nacos.naming.consistency.persistent.impl.BasePersistentServiceProcessor

com.alibaba.nacos.naming.consistency.persistent.impl.PersistentServiceProcessor

所有已实现的接口:

ConsistencyService, PersistentConsistencyService

public class PersistentServiceProcessor
extends BasePersistentServiceProcessor

In cluster mode, start the Raft protocol.

作者:

liaochuntao

嵌套类概要

从类继承的嵌套类/接口 com.alibaba.nacos.naming.consistency.persistent.impl.BasePersistentServiceProcessor

BasePersistentServiceProcessor.Op

字段概要

字段

修饰符和类型	字段	说明
private boolean	hasLeader	Is there a leader node currently.
private com.alibaba.nacos.consistency.cp.CPProtocol	protocol

从类继承的字段 com.alibaba.nacos.naming.consistency.persistent.impl.BasePersistentServiceProcessor

hasError, jRaftErrorMsg, kvStorage, lock, notifier, priority, queueMaxSize, readLock, serializer, startNotify

构造器概要

构造器

构造器	说明
PersistentServiceProcessor(com.alibaba.nacos.core.distributed.ProtocolManager protocolManager)

方法概要

修饰符和类型	方法	说明
void	afterConstruct()
Datum	get(java.lang.String key)	Get a data from Nacos cluster.
java.util.Optional<java.lang.String>	getErrorMsg()	Get the error message of the consistency protocol.
boolean	isAvailable()	Tell the status of this consistency service.
void	listen(java.lang.String key, RecordListener listener)	Listen for changes of a data.
void	put(java.lang.String key, Record value)	Put a data related to a key to Nacos cluster.
void	remove(java.lang.String key)	Remove a data from Nacos cluster.
void	unListen(java.lang.String key, RecordListener listener)	Cancel listening of a data.
private void	waitLeader()

从类继承的方法 com.alibaba.nacos.naming.consistency.persistent.impl.BasePersistentServiceProcessor

getClassOfRecordFromKey, getDatumTypeFromKey, group, loadSnapshotOperate, notifierDatumIfAbsent, onApply, onError, onRequest

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

protocol

private final com.alibaba.nacos.consistency.cp.CPProtocol protocol

hasLeader

private volatile boolean hasLeader

Is there a leader node currently.

构造器详细资料

PersistentServiceProcessor

public PersistentServiceProcessor(com.alibaba.nacos.core.distributed.ProtocolManager protocolManager)
                           throws java.lang.Exception

抛出:

java.lang.Exception

方法详细资料

afterConstruct

public void afterConstruct()

覆盖:

afterConstruct 在类中 BasePersistentServiceProcessor

waitLeader

private void waitLeader()

put

public void put(java.lang.String key,
                Record value)
         throws com.alibaba.nacos.api.exception.NacosException

从接口复制的说明: ConsistencyService

Put a data related to a key to Nacos cluster.

参数:

key - key of data, this key should be globally unique

value - value of data

抛出:

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

remove

public void remove(java.lang.String key)
            throws com.alibaba.nacos.api.exception.NacosException

从接口复制的说明: ConsistencyService

Remove a data from Nacos cluster.

参数:

key - key of data

抛出:

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

get

public Datum get(java.lang.String key)
          throws com.alibaba.nacos.api.exception.NacosException

从接口复制的说明: ConsistencyService

Get a data from Nacos cluster.

参数:

key - key of data

返回:

data related to the key

抛出:

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

listen

public void listen(java.lang.String key,
                   RecordListener listener)
            throws com.alibaba.nacos.api.exception.NacosException

从接口复制的说明: ConsistencyService

Listen for changes of a data.

参数:

key - key of data

listener - callback of data change

抛出:

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

unListen

public void unListen(java.lang.String key,
                     RecordListener listener)
              throws com.alibaba.nacos.api.exception.NacosException

从接口复制的说明: ConsistencyService

Cancel listening of a data.

参数:

key - key of data

listener - callback of data change

抛出:

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

isAvailable

public boolean isAvailable()

从接口复制的说明: ConsistencyService

Tell the status of this consistency service.

返回:

true if available

getErrorMsg

public java.util.Optional<java.lang.String> getErrorMsg()

从接口复制的说明: ConsistencyService

Get the error message of the consistency protocol.

返回:

the consistency protocol error message.