org.apache.dubbo.registry.client.metadata

Class ServiceInstanceMetadataUtils

java.lang.Object

org.apache.dubbo.registry.client.metadata.ServiceInstanceMetadataUtils

public class ServiceInstanceMetadataUtils
extends Object

The Utilities class for the metadata of the service instance

Since:

2.7.5

See Also:

StandardMetadataServiceURLBuilder, ServiceInstance.getMetadata(), MetadataService, URL

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ServiceInstanceMetadataUtils.Endpoint

Field Summary

Fields

Modifier and Type	Field and Description
static String	ENDPOINTS
static String	EXPORTED_SERVICES_REVISION_PROPERTY_NAME The property name of The revision for all exported Dubbo services.
static String	METADATA_SERVICE_PREFIX The prefix of MetadataService : "dubbo.metadata-service."
static String	METADATA_SERVICE_URL_PARAMS_PROPERTY_NAME The property name of metadata JSON of MetadataService's URL
static String	METADATA_SERVICE_URLS_PROPERTY_NAME The URLs property name of MetadataService : "dubbo.metadata-service.urls", which is used to be compatible with Dubbo Spring Cloud and discovery the metadata of instance
static String	METADATA_STORAGE_TYPE_PROPERTY_NAME The property name of metadata storage type.
static String	SUBSCRIBER_SERVICES_REVISION_PROPERTY_NAME The property name of The revision for all subscribed Dubbo services.

Constructor Summary

Constructors

Constructor and Description
ServiceInstanceMetadataUtils()

Method Summary

Modifier and Type	Method and Description
static String	getExportedServicesRevision(ServiceInstance serviceInstance) The revision for all exported Dubbo services from the specified ServiceInstance.
static String	getMetadataServiceParameter(List<URL> urls)
static Map<String,String>	getMetadataServiceURLParams(ServiceInstance serviceInstance, String protocol) Get the url's parameters of MetadataService's Metadata
static Map<String,Map<String,String>>	getMetadataServiceURLsParams(ServiceInstance serviceInstance) Get the multiple urls' parameters of MetadataService's Metadata
static String	getMetadataStorageType(ServiceInstance serviceInstance) Get the metadata's storage type is used to which WritableMetadataService instance.
static String	getMetadataStorageType(URL registryURL) Get metadata's storage type
static Integer	getProtocolPort(ServiceInstance serviceInstance, String protocol) Get the property value of port by the specified the metadata of service instance and protocol
static String	getSubscribedServicesRevision(ServiceInstance serviceInstance) The revision for all subscribed Dubbo services from the specified ServiceInstance.
static boolean	isDubboServiceInstance(ServiceInstance serviceInstance) Is Dubbo Service instance or not
static void	setEndpoints(ServiceInstance serviceInstance, Map<String,Integer> protocolPortss)
static void	setMetadataStorageType(ServiceInstance serviceInstance, String metadataType) Set the metadata storage type in specified service instance

Methods inherited from class java.lang.Object

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

Field Detail

METADATA_SERVICE_PREFIX

public static final String METADATA_SERVICE_PREFIX

The prefix of MetadataService : "dubbo.metadata-service."

See Also:

Constant Field Values

ENDPOINTS

public static final String ENDPOINTS

See Also:

Constant Field Values

METADATA_SERVICE_URL_PARAMS_PROPERTY_NAME

public static String METADATA_SERVICE_URL_PARAMS_PROPERTY_NAME

The property name of metadata JSON of MetadataService's URL

METADATA_SERVICE_URLS_PROPERTY_NAME

public static final String METADATA_SERVICE_URLS_PROPERTY_NAME

The URLs property name of MetadataService : "dubbo.metadata-service.urls", which is used to be compatible with Dubbo Spring Cloud and discovery the metadata of instance

See Also:

Constant Field Values

EXPORTED_SERVICES_REVISION_PROPERTY_NAME

public static String EXPORTED_SERVICES_REVISION_PROPERTY_NAME

The property name of The revision for all exported Dubbo services.

SUBSCRIBER_SERVICES_REVISION_PROPERTY_NAME

public static String SUBSCRIBER_SERVICES_REVISION_PROPERTY_NAME

The property name of The revision for all subscribed Dubbo services.

METADATA_STORAGE_TYPE_PROPERTY_NAME

public static String METADATA_STORAGE_TYPE_PROPERTY_NAME

The property name of metadata storage type.

Constructor Detail

ServiceInstanceMetadataUtils

public ServiceInstanceMetadataUtils()

Method Detail

getMetadataServiceURLsParams

public static Map<String,Map<String,String>> getMetadataServiceURLsParams(ServiceInstance serviceInstance)

Get the multiple urls' parameters of MetadataService's Metadata

Parameters:

serviceInstance - the instance of ServiceInstance

Returns:

non-null Map, the key is the protocol of URL, the value is getMetadataServiceURLParams(ServiceInstance, String)

getMetadataServiceURLParams

public static Map<String,String> getMetadataServiceURLParams(ServiceInstance serviceInstance,
                                                             String protocol)

Get the url's parameters of MetadataService's Metadata

Parameters:

serviceInstance - the instance of ServiceInstance

Returns:

non-null Map

getMetadataServiceParameter

public static String getMetadataServiceParameter(List<URL> urls)

getExportedServicesRevision

public static String getExportedServicesRevision(ServiceInstance serviceInstance)

The revision for all exported Dubbo services from the specified ServiceInstance.

Parameters:

serviceInstance - the specified ServiceInstance

Returns:

null if not exits

getSubscribedServicesRevision

public static String getSubscribedServicesRevision(ServiceInstance serviceInstance)

The revision for all subscribed Dubbo services from the specified ServiceInstance.

Parameters:

serviceInstance - the specified ServiceInstance

Returns:

null if not exits

getMetadataStorageType

public static String getMetadataStorageType(URL registryURL)

Get metadata's storage type

Parameters:

registryURL - the URL to connect the registry

Returns:

if not found in parameters of registry URL, return

getMetadataStorageType

public static String getMetadataStorageType(ServiceInstance serviceInstance)

Get the metadata's storage type is used to which WritableMetadataService instance.

Parameters:

serviceInstance - the specified ServiceInstance

Returns:

if not found in metadata of ServiceInstance, return

setMetadataStorageType

public static void setMetadataStorageType(ServiceInstance serviceInstance,
                                          String metadataType)

Set the metadata storage type in specified service instance

Parameters:

serviceInstance - service instance

metadataType - remote or local

isDubboServiceInstance

public static boolean isDubboServiceInstance(ServiceInstance serviceInstance)

Is Dubbo Service instance or not

Parameters:

serviceInstance - service instance

Returns:

if Dubbo Service instance, return true, or false

setEndpoints

public static void setEndpoints(ServiceInstance serviceInstance,
                                Map<String,Integer> protocolPortss)

getProtocolPort

public static Integer getProtocolPort(ServiceInstance serviceInstance,
                                      String protocol)

Get the property value of port by the specified the metadata of service instance and protocol

Parameters:

serviceInstance - service instance

protocol - the name of protocol, e.g, dubbo, rest, and so on

Returns:

if not found, return null