001/**
002 * Copyright (c) 2015-2022, Michael Yang 杨福海 (fuhai999@gmail.com).
003 * <p>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package io.jboot.components.gateway.discovery;
017
018import java.util.List;
019
020/**
021 * GatewayDiscovery.
022 */
023public interface GatewayDiscovery {
024
025
026    void registerInstance(GatewayInstance instance);
027
028    void deregisterInstance(GatewayInstance instance);
029
030    List<GatewayInstance> getAllInstances(String serviceName);
031
032    List<GatewayInstance> selectInstances(String serviceName, boolean healthy);
033
034    void subscribe(String serviceName, GatewayDiscoveryListener listener);
035
036}
037