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/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.nacos.api.naming;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.api.naming.listener.EventListener;
import com.alibaba.nacos.api.naming.pojo.Instance;
import com.alibaba.nacos.api.naming.pojo.ListView;
import com.alibaba.nacos.api.naming.pojo.ServiceInfo;
import com.alibaba.nacos.api.selector.AbstractSelector;
import java.util.List;
/**
* Naming Service.
*
* @author nkorange
*/
public interface NamingService {
/**
* register a instance to service.
*
* @param serviceName name of service
* @param ip instance ip
* @param port instance port
* @throws NacosException nacos exception
*/
void registerInstance(String serviceName, String ip, int port) throws NacosException;
/**
* register a instance to service.
*
* @param serviceName name of service
* @param groupName group of service
* @param ip instance ip
* @param port instance port
* @throws NacosException nacos exception
*/
void registerInstance(String serviceName, String groupName, String ip, int port) throws NacosException;
/**
* register a instance to service with specified cluster name.
*
* @param serviceName name of service
* @param ip instance ip
* @param port instance port
* @param clusterName instance cluster name
* @throws NacosException nacos exception
*/
void registerInstance(String serviceName, String ip, int port, String clusterName) throws NacosException;
/**
* register a instance to service with specified cluster name.
*
* @param serviceName name of service
* @param groupName group of service
* @param ip instance ip
* @param port instance port
* @param clusterName instance cluster name
* @throws NacosException nacos exception
*/
void registerInstance(String serviceName, String groupName, String ip, int port, String clusterName)
throws NacosException;
/**
* register a instance to service with specified instance properties.
*
* @param serviceName name of service
* @param instance instance to register
* @throws NacosException nacos exception
*/
void registerInstance(String serviceName, Instance instance) throws NacosException;
/**
* register a instance to service with specified instance properties.
*
* @param serviceName name of service
* @param groupName group of service
* @param instance instance to register
* @throws NacosException nacos exception
*/
void registerInstance(String serviceName, String groupName, Instance instance) throws NacosException;
/**
* deregister instance from a service.
*
* @param serviceName name of service
* @param ip instance ip
* @param port instance port
* @throws NacosException nacos exception
*/
void deregisterInstance(String serviceName, String ip, int port) throws NacosException;
/**
* deregister instance from a service.
*
* @param serviceName name of service
* @param groupName group of service
* @param ip instance ip
* @param port instance port
* @throws NacosException nacos exception
*/
void deregisterInstance(String serviceName, String groupName, String ip, int port) throws NacosException;
/**
* deregister instance with specified cluster name from a service.
*
* @param serviceName name of service
* @param ip instance ip
* @param port instance port
* @param clusterName instance cluster name
* @throws NacosException nacos exception
*/
void deregisterInstance(String serviceName, String ip, int port, String clusterName) throws NacosException;
/**
* deregister instance with specified cluster name from a service.
*
* @param serviceName name of service
* @param groupName group of service
* @param ip instance ip
* @param port instance port
* @param clusterName instance cluster name
* @throws NacosException nacos exception
*/
void deregisterInstance(String serviceName, String groupName, String ip, int port, String clusterName)
throws NacosException;
/**
* deregister instance with full instance information and default groupName.
*
* @param serviceName name of service
* @param instance instance
* @throws NacosException nacos exception
*/
void deregisterInstance(String serviceName, Instance instance) throws NacosException;
/**
* deregister instance with full instance information.
*
* @param serviceName name of service
* @param groupName group of service
* @param instance instance information
* @throws NacosException nacos exception
*/
void deregisterInstance(String serviceName, String groupName, Instance instance) throws NacosException;
/**
* get all instances of a service.
*
* @param serviceName name of service
* @return A list of instance
* @throws NacosException nacos exception
*/
List getAllInstances(String serviceName) throws NacosException;
/**
* get all instances of a service.
*
* @param serviceName name of service
* @param groupName group of service
* @return A list of instance
* @throws NacosException nacos exception
*/
List getAllInstances(String serviceName, String groupName) throws NacosException;
/**
* Get all instances of a service.
*
* @param serviceName name of service
* @param subscribe if subscribe the service
* @return A list of instance
* @throws NacosException nacos exception
*/
List getAllInstances(String serviceName, boolean subscribe) throws NacosException;
/**
* Get all instances of a service.
*
* @param serviceName name of service
* @param groupName group of service
* @param subscribe if subscribe the service
* @return A list of instance
* @throws NacosException nacos exception
*/
List getAllInstances(String serviceName, String groupName, boolean subscribe) throws NacosException;
/**
* Get all instances within specified clusters of a service.
*
* @param serviceName name of service
* @param clusters list of cluster
* @return A list of qualified instance
* @throws NacosException nacos exception
*/
List getAllInstances(String serviceName, List clusters) throws NacosException;
/**
* Get all instances within specified clusters of a service.
*
* @param serviceName name of service
* @param groupName group of service
* @param clusters list of cluster
* @return A list of qualified instance
* @throws NacosException nacos exception
*/
List getAllInstances(String serviceName, String groupName, List clusters) throws NacosException;
/**
* Get all instances within specified clusters of a service.
*
* @param serviceName name of service
* @param clusters list of cluster
* @param subscribe if subscribe the service
* @return A list of qualified instance
* @throws NacosException nacos exception
*/
List getAllInstances(String serviceName, List clusters, boolean subscribe) throws NacosException;
/**
* Get all instances within specified clusters of a service.
*
* @param serviceName name of service
* @param groupName group of service
* @param clusters list of cluster
* @param subscribe if subscribe the service
* @return A list of qualified instance
* @throws NacosException nacos exception
*/
List getAllInstances(String serviceName, String groupName, List clusters, boolean subscribe)
throws NacosException;
/**
* Get qualified instances of service.
*
* @param serviceName name of service.
* @param healthy a flag to indicate returning healthy or unhealthy instances
* @return A qualified list of instance
* @throws NacosException nacos exception
*/
List selectInstances(String serviceName, boolean healthy) throws NacosException;
/**
* Get qualified instances of service.
*
* @param serviceName name of service
* @param groupName group of service
* @param healthy a flag to indicate returning healthy or unhealthy instances
* @return A qualified list of instance
* @throws NacosException nacos exception
*/
List selectInstances(String serviceName, String groupName, boolean healthy) throws NacosException;
/**
* Get qualified instances of service.
*
* @param serviceName name of service
* @param healthy a flag to indicate returning healthy or unhealthy instances
* @param subscribe if subscribe the service
* @return A qualified list of instance
* @throws NacosException nacos exception
*/
List selectInstances(String serviceName, boolean healthy, boolean subscribe) throws NacosException;
/**
* Get qualified instances of service.
*
* @param serviceName name of service
* @param groupName group of service
* @param healthy a flag to indicate returning healthy or unhealthy instances
* @param subscribe if subscribe the service
* @return A qualified list of instance
* @throws NacosException nacos exception
*/
List selectInstances(String serviceName, String groupName, boolean healthy, boolean subscribe)
throws NacosException;
/**
* Get qualified instances within specified clusters of service.
*
* @param serviceName name of service
* @param clusters list of cluster
* @param healthy a flag to indicate returning healthy or unhealthy instances
* @return A qualified list of instance
* @throws NacosException nacos exception
*/
List selectInstances(String serviceName, List clusters, boolean healthy) throws NacosException;
/**
* Get qualified instances within specified clusters of service.
*
* @param serviceName name of service
* @param groupName group of service
* @param clusters list of cluster
* @param healthy a flag to indicate returning healthy or unhealthy instances
* @return A qualified list of instance
* @throws NacosException nacos exception
*/
List selectInstances(String serviceName, String groupName, List clusters, boolean healthy)
throws NacosException;
/**
* Get qualified instances within specified clusters of service.
*
* @param serviceName name of service
* @param clusters list of cluster
* @param healthy a flag to indicate returning healthy or unhealthy instances
* @param subscribe if subscribe the service
* @return A qualified list of instance
* @throws NacosException nacos exception
*/
List selectInstances(String serviceName, List clusters, boolean healthy, boolean subscribe)
throws NacosException;
/**
* Get qualified instances within specified clusters of service.
*
* @param serviceName name of service
* @param groupName group of service
* @param clusters list of cluster
* @param healthy a flag to indicate returning healthy or unhealthy instances
* @param subscribe if subscribe the service
* @return A qualified list of instance
* @throws NacosException nacos exception
*/
List selectInstances(String serviceName, String groupName, List clusters, boolean healthy,
boolean subscribe) throws NacosException;
/**
* Select one healthy instance of service using predefined load balance strategy.
*
* @param serviceName name of service
* @return qualified instance
* @throws NacosException nacos exception
*/
Instance selectOneHealthyInstance(String serviceName) throws NacosException;
/**
* Select one healthy instance of service using predefined load balance strategy.
*
* @param serviceName name of service
* @param groupName group of service
* @return qualified instance
* @throws NacosException nacos exception
*/
Instance selectOneHealthyInstance(String serviceName, String groupName) throws NacosException;
/**
* select one healthy instance of service using predefined load balance strategy.
*
* @param serviceName name of service
* @param subscribe if subscribe the service
* @return qualified instance
* @throws NacosException nacos exception
*/
Instance selectOneHealthyInstance(String serviceName, boolean subscribe) throws NacosException;
/**
* select one healthy instance of service using predefined load balance strategy.
*
* @param serviceName name of service
* @param groupName group of service
* @param subscribe if subscribe the service
* @return qualified instance
* @throws NacosException nacos exception
*/
Instance selectOneHealthyInstance(String serviceName, String groupName, boolean subscribe) throws NacosException;
/**
* Select one healthy instance of service using predefined load balance strategy.
*
* @param serviceName name of service
* @param clusters a list of clusters should the instance belongs to
* @return qualified instance
* @throws NacosException nacos exception
*/
Instance selectOneHealthyInstance(String serviceName, List clusters) throws NacosException;
/**
* Select one healthy instance of service using predefined load balance strategy.
*
* @param serviceName name of service
* @param groupName group of service
* @param clusters a list of clusters should the instance belongs to
* @return qualified instance
* @throws NacosException nacos exception
*/
Instance selectOneHealthyInstance(String serviceName, String groupName, List clusters)
throws NacosException;
/**
* Select one healthy instance of service using predefined load balance strategy.
*
* @param serviceName name of service
* @param clusters a list of clusters should the instance belongs to
* @param subscribe if subscribe the service
* @return qualified instance
* @throws NacosException nacos exception
*/
Instance selectOneHealthyInstance(String serviceName, List clusters, boolean subscribe)
throws NacosException;
/**
* Select one healthy instance of service using predefined load balance strategy.
*
* @param serviceName name of service
* @param groupName group of service
* @param clusters a list of clusters should the instance belongs to
* @param subscribe if subscribe the service
* @return qualified instance
* @throws NacosException nacos exception
*/
Instance selectOneHealthyInstance(String serviceName, String groupName, List clusters, boolean subscribe)
throws NacosException;
/**
* Subscribe service to receive events of instances alteration.
*
* @param serviceName name of service
* @param listener event listener
* @throws NacosException nacos exception
*/
void subscribe(String serviceName, EventListener listener) throws NacosException;
/**
* Subscribe service to receive events of instances alteration.
*
* @param serviceName name of service
* @param groupName group of service
* @param listener event listener
* @throws NacosException nacos exception
*/
void subscribe(String serviceName, String groupName, EventListener listener) throws NacosException;
/**
* Subscribe service to receive events of instances alteration.
*
* @param serviceName name of service
* @param clusters list of cluster
* @param listener event listener
* @throws NacosException nacos exception
*/
void subscribe(String serviceName, List clusters, EventListener listener) throws NacosException;
/**
* Subscribe service to receive events of instances alteration.
*
* @param serviceName name of service
* @param groupName group of service
* @param clusters list of cluster
* @param listener event listener
* @throws NacosException nacos exception
*/
void subscribe(String serviceName, String groupName, List clusters, EventListener listener)
throws NacosException;
/**
* Unsubscribe event listener of service.
*
* @param serviceName name of service
* @param listener event listener
* @throws NacosException nacos exception
*/
void unsubscribe(String serviceName, EventListener listener) throws NacosException;
/**
* unsubscribe event listener of service.
*
* @param serviceName name of service
* @param groupName group of service
* @param listener event listener
* @throws NacosException nacos exception
*/
void unsubscribe(String serviceName, String groupName, EventListener listener) throws NacosException;
/**
* Unsubscribe event listener of service.
*
* @param serviceName name of service
* @param clusters list of cluster
* @param listener event listener
* @throws NacosException nacos exception
*/
void unsubscribe(String serviceName, List clusters, EventListener listener) throws NacosException;
/**
* Unsubscribe event listener of service.
*
* @param serviceName name of service
* @param groupName group of service
* @param clusters list of cluster
* @param listener event listener
* @throws NacosException nacos exception
*/
void unsubscribe(String serviceName, String groupName, List clusters, EventListener listener)
throws NacosException;
/**
* Get all service names from server.
*
* @param pageNo page index
* @param pageSize page size
* @return list of service names
* @throws NacosException nacos exception
*/
ListView getServicesOfServer(int pageNo, int pageSize) throws NacosException;
/**
* Get all service names from server.
*
* @param pageNo page index
* @param pageSize page size
* @param groupName group name
* @return list of service names
* @throws NacosException nacos exception
*/
ListView getServicesOfServer(int pageNo, int pageSize, String groupName) throws NacosException;
/**
* Get all service names from server with selector.
*
* @param pageNo page index
* @param pageSize page size
* @param selector selector to filter the resource
* @return list of service names
* @throws NacosException nacos exception
* @since 0.7.0
*/
ListView getServicesOfServer(int pageNo, int pageSize, AbstractSelector selector) throws NacosException;
/**
* Get all service names from server with selector.
*
* @param pageNo page index
* @param pageSize page size
* @param groupName group name
* @param selector selector to filter the resource
* @return list of service names
* @throws NacosException nacos exception
*/
ListView getServicesOfServer(int pageNo, int pageSize, String groupName, AbstractSelector selector)
throws NacosException;
/**
* Get all subscribed services of current client.
*
* @return subscribed services
* @throws NacosException nacos exception
*/
List getSubscribeServices() throws NacosException;
/**
* get server health status.
*
* @return is server healthy
*/
String getServerStatus();
/**
* Shutdown the resource service.
*
* @throws NacosException exception.
*/
void shutDown() throws NacosException;
}
