org.apache.dubbo.metadata

Interface WritableMetadataService

All Superinterfaces:

MetadataService

All Known Implementing Classes:

InMemoryWritableMetadataService, RemoteWritableMetadataService, RemoteWritableMetadataServiceDelegate

@SPI(value="local")
public interface WritableMetadataService
extends MetadataService

Local MetadataService that extends MetadataService and provides the modification, which is used for Dubbo's consumers and providers.

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

Method Summary

Modifier and Type	Method and Description
boolean	exportURL(org.apache.dubbo.common.URL url) Exports a URL
static WritableMetadataService	getDefaultExtension() Get the defautl extension of WritableMetadataService
static WritableMetadataService	getExtension(String name)
void	publishServiceDefinition(org.apache.dubbo.common.URL providerUrl)
default boolean	refreshMetadata(String exportedRevision, String subscribedRevision) fresh Exports
default String	serviceName() Gets the current Dubbo Service name
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 interface org.apache.dubbo.metadata.MetadataService

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

Method Detail

serviceName

default String serviceName()

Gets the current Dubbo Service name

Specified by:

serviceName in interface MetadataService

Returns:

non-null

exportURL

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

Exports a URL

Parameters:

url - a URL

Returns:

If success , return true

unexportURL

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

Unexports a URL

Parameters:

url - a URL

Returns:

If success , return true

refreshMetadata

default boolean refreshMetadata(String exportedRevision,
                                String subscribedRevision)

fresh Exports

Returns:

If success , return true

subscribeURL

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

Subscribes a URL

Parameters:

url - a URL

Returns:

If success , return true

unsubscribeURL

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

Unsubscribes a URL

Parameters:

url - a URL

Returns:

If success , return true

publishServiceDefinition

void publishServiceDefinition(org.apache.dubbo.common.URL providerUrl)

getDefaultExtension

static WritableMetadataService getDefaultExtension()

Get the defautl extension of WritableMetadataService

Returns:

non-null

See Also:

InMemoryWritableMetadataService

getExtension

static WritableMetadataService getExtension(String name)