| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.slider.core.registry.info; |
| |
| import org.codehaus.jackson.annotate.JsonIgnoreProperties; |
| import org.codehaus.jackson.map.annotate.JsonSerialize; |
| |
| import java.io.Serializable; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Service instance data to serialize with JSON. |
| * |
| * The equality and hash codes are derived from the |
| * service type and ID, which aren't final so that JSON marshalling |
| * works. Do not change these fields if an instance is stored |
| * in a map |
| */ |
| @JsonIgnoreProperties(ignoreUnknown = true) |
| @JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL) |
| public class ServiceInstanceData implements Serializable { |
| |
| public String serviceType; |
| public String id; |
| public long registrationTimeUTC; |
| |
| /** |
| * Anything can go into the internal view, it's specific |
| * to the provider |
| */ |
| public RegistryView internalView = new RegistryView(); |
| |
| /** |
| * External view of the service: public information |
| */ |
| public RegistryView externalView = new RegistryView(); |
| |
| public ServiceInstanceData() { |
| } |
| |
| public ServiceInstanceData(String id, String serviceType) { |
| this.serviceType = serviceType; |
| this.id = id; |
| } |
| |
| /** |
| * Instances are equal if they look after the same service type |
| * and name |
| * @param o other |
| * @return true if id and type match |
| */ |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| ServiceInstanceData that = (ServiceInstanceData) o; |
| |
| if (!id.equals(that.id)) { |
| return false; |
| } |
| if (!serviceType.equals(that.serviceType)) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = serviceType.hashCode(); |
| result = 31 * result + id.hashCode(); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder sb = |
| new StringBuilder("ServiceInstanceData{"); |
| sb.append("id='").append(id).append('\''); |
| sb.append(", serviceType='").append(serviceType).append('\''); |
| sb.append('}'); |
| return sb.toString(); |
| } |
| |
| /** |
| * get the internal or external registry |
| * @param external flag to indicate the external endpoints |
| * @return a view -which may be null |
| */ |
| public RegistryView getRegistryView(boolean external) { |
| return external ? externalView : internalView; |
| } |
| |
| /** |
| * List the internal or external endpoints. This returns |
| * an empty list if there are none registered |
| * @param external flag to indicate the external endpoints |
| * @return a map of published endpoints |
| */ |
| public Map<String, RegisteredEndpoint> listEndpoints(boolean external) { |
| RegistryView view = getRegistryView(external); |
| if (view == null) { |
| return new HashMap<>(0); |
| } |
| Map<String, RegisteredEndpoint> endpoints = view.endpoints; |
| if (endpoints != null) { |
| return endpoints; |
| } else { |
| return new HashMap<>(0); |
| } |
| } |
| |
| } |
| |
| |