content: /*
   * 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.cassandra.service.accord;
  
  import accord.local.Node;
  import accord.utils.Invariants;
  import org.apache.cassandra.locator.InetAddressAndPort;
  
  /**
   * Maps network addresses to accord ids
   */
  public interface AccordEndpointMapper
  {
      Node.Id mappedIdOrNull(InetAddressAndPort endpoint);
      InetAddressAndPort mappedEndpointOrNull(Node.Id id);
  
      default Node.Id mappedId(InetAddressAndPort endpoint)
      {
          return Invariants.nonNull(mappedIdOrNull(endpoint), "Unable to map address %s to a Node.Id", endpoint);
      }
  
      default InetAddressAndPort mappedEndpoint(Node.Id id)
      {
          return Invariants.nonNull(mappedEndpointOrNull(id), "Unable to map node id %s to a InetAddressAndPort", id);
      }
  }
  