content: /**
   * 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 org.apache.aurora.scheduler.discovery;
  
  import java.util.Map;
  import java.util.Objects;
  
  import com.google.common.base.MoreObjects;
  import com.google.common.collect.ImmutableMap;
  
  import static java.util.Objects.requireNonNull;
  
  public class ServiceInstance {
    private final Endpoint serviceEndpoint;
    private final Map<String, Endpoint> additionalEndpoints;
  
    // Legacy field.
    private final String status;
  
    /**
     * Default constructor for gson, needed to inject a default empty map.
     */
    ServiceInstance() {
      this.serviceEndpoint = null;
      this.additionalEndpoints = ImmutableMap.of();
      this.status = "ALIVE";
    }
  
    public ServiceInstance(Endpoint serviceEndpoint, Map<String, Endpoint> additionalEndpoints) {
      this.serviceEndpoint = requireNonNull(serviceEndpoint);
      this.additionalEndpoints = requireNonNull(additionalEndpoints);
      this.status = "ALIVE";
    }
  
    public Endpoint getServiceEndpoint() {
      return serviceEndpoint;
    }
  
    public Map<String, Endpoint> getAdditionalEndpoints() {
      return additionalEndpoints;
    }
  
    public String getStatus() {
      return status;
    }
  
    @Override
    public boolean equals(Object obj) {
      if (!(obj instanceof ServiceInstance)) {
        return false;
      }
  
      ServiceInstance other = (ServiceInstance) obj;
      return Objects.equals(serviceEndpoint, other.serviceEndpoint)
          && Objects.equals(additionalEndpoints, other.additionalEndpoints)
          && status.equals(other.status);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(serviceEndpoint, additionalEndpoints, status);
    }
  
    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this)
          .add("serviceEndpoint", serviceEndpoint)
          .add("additionalEndpoints", additionalEndpoints)
          .add("status", status)
          .toString();
    }
  
    public static class Endpoint {
      private final String host;
      private final int port;
  
      public Endpoint(String host, int port) {
        this.host = requireNonNull(host);
        this.port = port;
      }
  
      public String getHost() {
        return host;
      }
  
      public int getPort() {
        return port;
      }
  
      @Override
      public boolean equals(Object obj) {
        if (!(obj instanceof Endpoint)) {
          return false;
        }
  
        Endpoint other = (Endpoint) obj;
        return Objects.equals(host, other.host)
            && port == other.port;
      }
  
      @Override
      public int hashCode() {
        return Objects.hash(host, port);
      }
  
      @Override
      public String toString() {
        return MoreObjects.toStringHelper(this)
            .add("host", host)
            .add("port", port)
            .toString();
      }
    }
  }
  