程序包 com.alibaba.nacos.naming.core.v2.metadata

类 AbstractMetadataSnapshotOperation

java.lang.Object

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

com.alibaba.nacos.naming.core.v2.metadata.AbstractMetadataSnapshotOperation

所有已实现的接口:

com.alibaba.nacos.consistency.snapshot.SnapshotOperation

直接已知子类:

InstanceMetadataSnapshotOperation, ServiceMetadataSnapshotOperation

public abstract class AbstractMetadataSnapshotOperation
extends AbstractSnapshotOperation

Nacos naming snapshot operation for metadata.

作者:

xiweng.yy

字段概要

字段

修饰符和类型	字段	说明
private static java.lang.String	METADATA_CHILD_NAME

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

CHECK_SUM_KEY

构造器概要

构造器

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

方法概要

修饰符和类型	方法	说明
protected abstract java.io.InputStream	dumpSnapshot()	Dump snapshot as input stream.
protected abstract java.lang.String	getSnapshotArchive()	Get snapshot archive file name.
protected abstract void	loadSnapshot(byte[] snapshotBytes)	Load snapshot.
protected boolean	readSnapshot(com.alibaba.nacos.consistency.snapshot.Reader reader)	Read snapshot.
protected boolean	writeSnapshot(com.alibaba.nacos.consistency.snapshot.Writer writer)	Write snapshot.

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

getSnapshotLoadTag, getSnapshotSaveTag, onSnapshotLoad, onSnapshotSave

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

METADATA_CHILD_NAME

private static final java.lang.String METADATA_CHILD_NAME

另请参阅:

常量字段值

构造器详细资料

AbstractMetadataSnapshotOperation

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

方法详细资料

writeSnapshot

protected boolean writeSnapshot(com.alibaba.nacos.consistency.snapshot.Writer writer)
                         throws java.io.IOException

从类复制的说明: AbstractSnapshotOperation

Write snapshot.

指定者:

writeSnapshot 在类中 AbstractSnapshotOperation

参数:

writer - snapshot writer

返回:

true if write snapshot successfully, otherwise false

抛出:

java.io.IOException

readSnapshot

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

从类复制的说明: AbstractSnapshotOperation

Read snapshot.

指定者:

readSnapshot 在类中 AbstractSnapshotOperation

参数:

reader - snapshot reader

返回:

true if read snapshot successfully, otherwise false

抛出:

java.lang.Exception - any exception during reading

getSnapshotArchive

protected abstract java.lang.String getSnapshotArchive()

Get snapshot archive file name.

返回:

snapshot archive

dumpSnapshot

protected abstract java.io.InputStream dumpSnapshot()

Dump snapshot as input stream.

返回:

snapshot

loadSnapshot

protected abstract void loadSnapshot(byte[] snapshotBytes)

Load snapshot.

参数:

snapshotBytes - snapshot bytes