org.apache.dubbo.metadata.store

Class RemoteWritableMetadataService

java.lang.Object

org.apache.dubbo.metadata.store.RemoteWritableMetadataService

All Implemented Interfaces:

MetadataService, WritableMetadataService

public class RemoteWritableMetadataService
extends Object
implements WritableMetadataService

The WritableMetadataService implementation stores the metadata of Dubbo services in metadata center when they exported. It is used by server (provider).

Since:

2.7.5

Field Summary

Fields inherited from interface org.apache.dubbo.metadata.MetadataService

ALL_SERVICE_INTERFACES, ALL_SERVICE_NAMES, DEFAULT_EXTENSION, SERVICE_INTERFACE_NAME, VERSION

Constructor Summary

Constructors

Constructor and Description
RemoteWritableMetadataService(InMemoryWritableMetadataService writableMetadataService)

Method Summary

Modifier and Type	Method and Description
boolean	exportURL(org.apache.dubbo.common.URL url) Exports a URL
SortedSet<String>	getExportedURLs(String serviceInterface, String group, String version, String protocol) Get the sorted set of String that presents the specified Dubbo exported urls by the serviceInterface, group, version and protocol
MetadataReport	getMetadataReport()
String	getServiceDefinition(String serviceKey) Interface definition.
String	getServiceDefinition(String interfaceName, String version, String group) Interface definition.
void	publishServiceDefinition(org.apache.dubbo.common.URL url)
boolean	refreshMetadata(String exportedRevision, String subscribedRevision) fresh Exports
boolean	subscribeURL(org.apache.dubbo.common.URL url) Subscribes a URL
boolean	unexportURL(org.apache.dubbo.common.URL url) Unexports a URL
boolean	unsubscribeURL(org.apache.dubbo.common.URL url) Unsubscribes a URL

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.dubbo.metadata.WritableMetadataService

getDefaultExtension, getExtension, serviceName

Methods inherited from interface org.apache.dubbo.metadata.MetadataService

getExportedURLs, getExportedURLs, getExportedURLs, getExportedURLs, getSubscribedURLs, isMetadataServiceURL, toSortedStrings, toSortedStrings, toURLs, version

Constructor Detail

RemoteWritableMetadataService

public RemoteWritableMetadataService(InMemoryWritableMetadataService writableMetadataService)

Method Detail

getMetadataReport

public MetadataReport getMetadataReport()

publishServiceDefinition

public void publishServiceDefinition(org.apache.dubbo.common.URL url)

Specified by:

publishServiceDefinition in interface WritableMetadataService

exportURL

public boolean exportURL(org.apache.dubbo.common.URL url)

Description copied from interface: WritableMetadataService

Exports a URL

Specified by:

exportURL in interface WritableMetadataService

Parameters:

url - a URL

Returns:

If success , return true

unexportURL

public boolean unexportURL(org.apache.dubbo.common.URL url)

Description copied from interface: WritableMetadataService

Unexports a URL

Specified by:

unexportURL in interface WritableMetadataService

Parameters:

url - a URL

Returns:

If success , return true

subscribeURL

public boolean subscribeURL(org.apache.dubbo.common.URL url)

Description copied from interface: WritableMetadataService

Subscribes a URL

Specified by:

subscribeURL in interface WritableMetadataService

Parameters:

url - a URL

Returns:

If success , return true

unsubscribeURL

public boolean unsubscribeURL(org.apache.dubbo.common.URL url)

Description copied from interface: WritableMetadataService

Unsubscribes a URL

Specified by:

unsubscribeURL in interface WritableMetadataService

Parameters:

url - a URL

Returns:

If success , return true

refreshMetadata

public boolean refreshMetadata(String exportedRevision,
                               String subscribedRevision)

Description copied from interface: WritableMetadataService

fresh Exports

Specified by:

refreshMetadata in interface WritableMetadataService

Returns:

If success , return true

getExportedURLs

public SortedSet<String> getExportedURLs(String serviceInterface,
                                         String group,
                                         String version,
                                         String protocol)

Description copied from interface: MetadataService

Get the sorted set of String that presents the specified Dubbo exported urls by the serviceInterface, group, version and protocol

Specified by:

getExportedURLs in interface MetadataService

Parameters:

serviceInterface - The class name of Dubbo service interface

group - the Dubbo Service Group (optional)

version - the Dubbo Service Version (optional)

protocol - the Dubbo Service Protocol (optional)

Returns:

the non-null read-only sorted set of strings presenting the URLs

See Also:

MetadataService.toSortedStrings(Stream), URL.toFullString()

getServiceDefinition

public String getServiceDefinition(String interfaceName,
                                   String version,
                                   String group)

Description copied from interface: MetadataService

Interface definition.

Specified by:

getServiceDefinition in interface MetadataService

Returns:

getServiceDefinition

public String getServiceDefinition(String serviceKey)

Description copied from interface: MetadataService

Interface definition.

Specified by:

getServiceDefinition in interface MetadataService

Returns: