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

类 BasePersistentServiceProcessor

java.lang.Object

com.alibaba.nacos.consistency.RequestProcessor

com.alibaba.nacos.consistency.cp.RequestProcessor4CP

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

所有已实现的接口:

ConsistencyService, PersistentConsistencyService

直接已知子类:

PersistentServiceProcessor, StandalonePersistentServiceProcessor

public abstract class BasePersistentServiceProcessor
extends com.alibaba.nacos.consistency.cp.RequestProcessor4CP
implements PersistentConsistencyService

New service data persistence handler.

作者:

liaochuntao

嵌套类概要

嵌套类

修饰符和类型	类	说明
(专用程序包) static class	BasePersistentServiceProcessor.Op

字段概要

字段

修饰符和类型	字段	说明
protected boolean	hasError	Whether an unrecoverable error occurred.
protected java.lang.String	jRaftErrorMsg
protected com.alibaba.nacos.core.storage.kv.KvStorage	kvStorage
protected java.util.concurrent.locks.ReentrantReadWriteLock	lock	During snapshot processing, the processing of other requests needs to be paused.
protected PersistentNotifier	notifier
protected int	priority
protected int	queueMaxSize
protected java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock	readLock
protected com.alibaba.nacos.consistency.Serializer	serializer
protected boolean	startNotify	If use old raft, should not notify listener even new listener add.

构造器概要

构造器

构造器	说明
BasePersistentServiceProcessor()

方法概要

修饰符和类型	方法	说明
void	afterConstruct()
protected java.lang.Class<? extends Record>	getClassOfRecordFromKey(java.lang.String key)
protected java.lang.reflect.Type	getDatumTypeFromKey(java.lang.String key)
java.lang.String	group()
java.util.List<com.alibaba.nacos.consistency.snapshot.SnapshotOperation>	loadSnapshotOperate()
private void	notifierAllServiceMeta(RecordListener listener)	This notify should only notify once during startup.
private void	notifierDatum(java.lang.String key, Datum datum, RecordListener listener)
protected void	notifierDatumIfAbsent(java.lang.String key, RecordListener listener)
com.alibaba.nacos.consistency.entity.Response	onApply(com.alibaba.nacos.consistency.entity.WriteRequest request)
void	onError(java.lang.Throwable error)
com.alibaba.nacos.consistency.entity.Response	onRequest(com.alibaba.nacos.consistency.entity.ReadRequest request)
private void	publishValueChangeEvent(BasePersistentServiceProcessor.Op op, BatchWriteRequest request)

从类继承的方法 java.lang.Object

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

从接口继承的方法 com.alibaba.nacos.naming.consistency.ConsistencyService

get, getErrorMsg, isAvailable, listen, put, remove, unListen

字段详细资料

kvStorage

protected final com.alibaba.nacos.core.storage.kv.KvStorage kvStorage

serializer

protected final com.alibaba.nacos.consistency.Serializer serializer

hasError

protected volatile boolean hasError

Whether an unrecoverable error occurred.

jRaftErrorMsg

protected volatile java.lang.String jRaftErrorMsg

startNotify

protected volatile boolean startNotify

If use old raft, should not notify listener even new listener add.

lock

protected final java.util.concurrent.locks.ReentrantReadWriteLock lock

During snapshot processing, the processing of other requests needs to be paused.

readLock

protected final java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock readLock

notifier

protected final PersistentNotifier notifier

queueMaxSize

protected final int queueMaxSize

另请参阅:

常量字段值

priority

protected final int priority

另请参阅:

常量字段值

构造器详细资料

BasePersistentServiceProcessor

public BasePersistentServiceProcessor()
                               throws java.lang.Exception

抛出:

java.lang.Exception

方法详细资料

afterConstruct

public void afterConstruct()

onRequest

public com.alibaba.nacos.consistency.entity.Response onRequest(com.alibaba.nacos.consistency.entity.ReadRequest request)

指定者:

onRequest 在类中 com.alibaba.nacos.consistency.RequestProcessor

onApply

public com.alibaba.nacos.consistency.entity.Response onApply(com.alibaba.nacos.consistency.entity.WriteRequest request)

指定者:

onApply 在类中 com.alibaba.nacos.consistency.RequestProcessor

publishValueChangeEvent

private void publishValueChangeEvent(BasePersistentServiceProcessor.Op op,
                                     BatchWriteRequest request)

group

public java.lang.String group()

指定者:

group 在类中 com.alibaba.nacos.consistency.RequestProcessor

loadSnapshotOperate

public java.util.List<com.alibaba.nacos.consistency.snapshot.SnapshotOperation> loadSnapshotOperate()

覆盖:

loadSnapshotOperate 在类中 com.alibaba.nacos.consistency.cp.RequestProcessor4CP

onError

public void onError(java.lang.Throwable error)

覆盖:

onError 在类中 com.alibaba.nacos.consistency.RequestProcessor

getDatumTypeFromKey

protected java.lang.reflect.Type getDatumTypeFromKey(java.lang.String key)

getClassOfRecordFromKey

protected java.lang.Class<? extends Record> getClassOfRecordFromKey(java.lang.String key)

notifierDatumIfAbsent

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

抛出:

com.alibaba.nacos.api.exception.NacosException

notifierAllServiceMeta

private void notifierAllServiceMeta(RecordListener listener)
                             throws com.alibaba.nacos.api.exception.NacosException

This notify should only notify once during startup.

抛出:

com.alibaba.nacos.api.exception.NacosException

notifierDatum

private void notifierDatum(java.lang.String key,
                           Datum datum,
                           RecordListener listener)