程序包 org.apache.dubbo.registry.client.metadata

类 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

从以下版本开始:

2.7.5

另请参阅:

StandardMetadataServiceURLBuilder, ServiceInstance.getMetadata(), MetadataService, URL

嵌套类概要

嵌套类

修饰符和类型	类	说明
static class	ServiceInstanceMetadataUtils.Endpoint

字段概要

字段

修饰符和类型	字段	说明
static String	ENDPOINTS
static String	EXPORTED_SERVICES_REVISION_PROPERTY_NAME	The property name of The revision for all exported Dubbo services.
static String	INSTANCE_REVISION_UPDATED_KEY
static String	METADATA_CLUSTER_PROPERTY_NAME
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.

构造器概要

构造器

构造器	说明
ServiceInstanceMetadataUtils()

方法概要

修饰符和类型	方法	说明
static void	calInstanceRevision(ServiceDiscovery serviceDiscovery, ServiceInstance instance)
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(URL registryURL)	Get metadata's storage type
static String	getMetadataStorageType(ServiceInstance serviceInstance)	Get the metadata's storage type is used to which WritableMetadataService instance.
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	getRemoteCluster(ServiceInstance serviceInstance)
static boolean	isDubboServiceInstance(ServiceInstance serviceInstance)	Is Dubbo Service instance or not
static boolean	isInstanceUpdated(ServiceInstance instance)
static void	refreshMetadataAndInstance()
static void	resetInstanceUpdateKey(ServiceInstance instance)
static void	setEndpoints(ServiceInstance serviceInstance, Map<String,Integer> protocolPorts)
static void	setMetadataStorageType(ServiceInstance serviceInstance, String metadataType)	Set the metadata storage type in specified service instance

从类继承的方法 java.lang.Object

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

字段详细资料

METADATA_SERVICE_PREFIX

public static final String METADATA_SERVICE_PREFIX

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

另请参阅:

常量字段值

ENDPOINTS

public static final String ENDPOINTS

另请参阅:

常量字段值

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

另请参阅:

常量字段值

EXPORTED_SERVICES_REVISION_PROPERTY_NAME

public static String EXPORTED_SERVICES_REVISION_PROPERTY_NAME

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

METADATA_STORAGE_TYPE_PROPERTY_NAME

public static String METADATA_STORAGE_TYPE_PROPERTY_NAME

The property name of metadata storage type.

METADATA_CLUSTER_PROPERTY_NAME

public static String METADATA_CLUSTER_PROPERTY_NAME

INSTANCE_REVISION_UPDATED_KEY

public static String INSTANCE_REVISION_UPDATED_KEY

构造器详细资料

ServiceInstanceMetadataUtils

public ServiceInstanceMetadataUtils()

方法详细资料

getMetadataServiceURLsParams

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

Get the multiple urls' parameters of MetadataService's Metadata

参数:

serviceInstance - the instance of ServiceInstance

返回:

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

参数:

serviceInstance - the instance of ServiceInstance

返回:

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.

参数:

serviceInstance - the specified ServiceInstance

返回:

null if not exits

getMetadataStorageType

public static String getMetadataStorageType(URL registryURL)

Get metadata's storage type

参数:

registryURL - the URL to connect the registry

返回:

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.

参数:

serviceInstance - the specified ServiceInstance

返回:

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

参数:

serviceInstance - service instance

metadataType - remote or local

getRemoteCluster

public static String getRemoteCluster(ServiceInstance serviceInstance)

isDubboServiceInstance

public static boolean isDubboServiceInstance(ServiceInstance serviceInstance)

Is Dubbo Service instance or not

参数:

serviceInstance - service instance

返回:

if Dubbo Service instance, return true, or false

setEndpoints

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

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

参数:

serviceInstance - service instance

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

返回:

if not found, return null

calInstanceRevision

public static void calInstanceRevision(ServiceDiscovery serviceDiscovery,
                                       ServiceInstance instance)

isInstanceUpdated

public static boolean isInstanceUpdated(ServiceInstance instance)

resetInstanceUpdateKey

public static void resetInstanceUpdateKey(ServiceInstance instance)

refreshMetadataAndInstance

public static void refreshMetadataAndInstance()