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

类 AbstractSnapshotOperation

java.lang.Object

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

所有已实现的接口:

com.alibaba.nacos.consistency.snapshot.SnapshotOperation

直接已知子类:

AbstractMetadataSnapshotOperation, NamingSnapshotOperation, PersistentClientOperationServiceImpl.PersistentInstanceSnapshotOperation

public abstract class AbstractSnapshotOperation
extends java.lang.Object
implements com.alibaba.nacos.consistency.snapshot.SnapshotOperation

Abstract snapshot operation.

作者:

xiweng.yy

字段概要

字段

修饰符和类型	字段	说明
protected static java.lang.String	CHECK_SUM_KEY
private java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock	writeLock

构造器概要

构造器

构造器	说明
AbstractSnapshotOperation(java.util.concurrent.locks.ReentrantReadWriteLock lock)

方法概要

修饰符和类型	方法	说明
protected abstract java.lang.String	getSnapshotLoadTag()	Get snapshot load tag.
protected abstract java.lang.String	getSnapshotSaveTag()	Get snapshot save tag.
boolean	onSnapshotLoad(com.alibaba.nacos.consistency.snapshot.Reader reader)
void	onSnapshotSave(com.alibaba.nacos.consistency.snapshot.Writer writer, java.util.function.BiConsumer<java.lang.Boolean,java.lang.Throwable> callFinally)
protected abstract boolean	readSnapshot(com.alibaba.nacos.consistency.snapshot.Reader reader)	Read snapshot.
protected abstract boolean	writeSnapshot(com.alibaba.nacos.consistency.snapshot.Writer writer)	Write snapshot.

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

CHECK_SUM_KEY

protected static final java.lang.String CHECK_SUM_KEY

另请参阅:

常量字段值

writeLock

private final java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock writeLock

构造器详细资料

AbstractSnapshotOperation

public AbstractSnapshotOperation(java.util.concurrent.locks.ReentrantReadWriteLock lock)

方法详细资料

onSnapshotSave

public void onSnapshotSave(com.alibaba.nacos.consistency.snapshot.Writer writer,
                           java.util.function.BiConsumer<java.lang.Boolean,java.lang.Throwable> callFinally)

指定者:

onSnapshotSave 在接口中 com.alibaba.nacos.consistency.snapshot.SnapshotOperation

onSnapshotLoad

public boolean onSnapshotLoad(com.alibaba.nacos.consistency.snapshot.Reader reader)

指定者:

onSnapshotLoad 在接口中 com.alibaba.nacos.consistency.snapshot.SnapshotOperation

writeSnapshot

protected abstract boolean writeSnapshot(com.alibaba.nacos.consistency.snapshot.Writer writer)
                                  throws java.lang.Exception

Write snapshot.

参数:

writer - snapshot writer

返回:

true if write snapshot successfully, otherwise false

抛出:

java.lang.Exception - any exception during writing

readSnapshot

protected abstract boolean readSnapshot(com.alibaba.nacos.consistency.snapshot.Reader reader)
                                 throws java.lang.Exception

Read snapshot.

参数:

reader - snapshot reader

返回:

true if read snapshot successfully, otherwise false

抛出:

java.lang.Exception - any exception during reading

getSnapshotSaveTag

protected abstract java.lang.String getSnapshotSaveTag()

Get snapshot save tag. It will be used to see time metric time context.

返回:

snapshot save tag

getSnapshotLoadTag

protected abstract java.lang.String getSnapshotLoadTag()

Get snapshot load tag. It will be used to see time metric time context.

返回:

snapshot load tag