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

类 ServiceMetadataProcessor

java.lang.Object

com.alibaba.nacos.consistency.RequestProcessor

com.alibaba.nacos.consistency.cp.RequestProcessor4CP

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

@Component
public class ServiceMetadataProcessor
extends com.alibaba.nacos.consistency.cp.RequestProcessor4CP

Service metadata processor.

作者:

xiweng.yy

字段概要

字段

修饰符和类型	字段	说明
private java.util.concurrent.locks.ReentrantReadWriteLock	lock
private NamingMetadataManager	namingMetadataManager
private java.lang.reflect.Type	processType
private java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock	readLock
private com.alibaba.nacos.consistency.Serializer	serializer
private ServiceStorage	serviceStorage

构造器概要

构造器

构造器	说明
ServiceMetadataProcessor(NamingMetadataManager namingMetadataManager, com.alibaba.nacos.core.distributed.ProtocolManager protocolManager, ServiceStorage serviceStorage)

方法概要

修饰符和类型	方法	说明
private void	addClusterMetadataToService(MetadataOperation<ServiceMetadata> op)
private void	deleteServiceMetadata(MetadataOperation<ServiceMetadata> op)
java.lang.String	group()
java.util.List<com.alibaba.nacos.consistency.snapshot.SnapshotOperation>	loadSnapshotOperate()
private ServiceMetadata	mergeMetadata(ServiceMetadata oldMetadata, ServiceMetadata newMetadata)	Do not modified old metadata directly to avoid read half status.
com.alibaba.nacos.consistency.entity.Response	onApply(com.alibaba.nacos.consistency.entity.WriteRequest request)
com.alibaba.nacos.consistency.entity.Response	onRequest(com.alibaba.nacos.consistency.entity.ReadRequest request)
private void	updateServiceMetadata(MetadataOperation<ServiceMetadata> op)

从类继承的方法 com.alibaba.nacos.consistency.RequestProcessor

onError

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

namingMetadataManager

private final NamingMetadataManager namingMetadataManager

serviceStorage

private final ServiceStorage serviceStorage

serializer

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

processType

private final java.lang.reflect.Type processType

lock

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

readLock

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

构造器详细资料

ServiceMetadataProcessor

public ServiceMetadataProcessor(NamingMetadataManager namingMetadataManager,
                                com.alibaba.nacos.core.distributed.ProtocolManager protocolManager,
                                ServiceStorage serviceStorage)

方法详细资料

loadSnapshotOperate

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

覆盖:

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

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

addClusterMetadataToService

private void addClusterMetadataToService(MetadataOperation<ServiceMetadata> op)

updateServiceMetadata

private void updateServiceMetadata(MetadataOperation<ServiceMetadata> op)

mergeMetadata

private ServiceMetadata mergeMetadata(ServiceMetadata oldMetadata,
                                      ServiceMetadata newMetadata)

Do not modified old metadata directly to avoid read half status.

Ephemeral variable should only use the value the metadata create.

参数:

oldMetadata - old metadata

newMetadata - new metadata

返回:

merged metadata

deleteServiceMetadata

private void deleteServiceMetadata(MetadataOperation<ServiceMetadata> op)

group

public java.lang.String group()

指定者:

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