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/**
 * Copyright 2017 The jetcd authors
 *
 * 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.coreos.jetcd;

import com.coreos.jetcd.cluster.MemberAddResponse;
import com.coreos.jetcd.cluster.MemberListResponse;
import com.coreos.jetcd.cluster.MemberRemoveResponse;
import com.coreos.jetcd.cluster.MemberUpdateResponse;
import com.coreos.jetcd.internal.impl.CloseableClient;
import java.util.List;
import java.util.concurrent.CompletableFuture;

/**
 * Interface of cluster client talking to etcd.
 */
public interface Cluster extends CloseableClient {

  /**
   * lists the current cluster membership.
   */
  CompletableFuture listMember();

  /**
   * add a new member into the cluster.
   *
   * @param peerAddrs the peer addresses of the new member
   */
  CompletableFuture addMember(List peerAddrs);

  /**
   * removes an existing member from the cluster.
   */
  CompletableFuture removeMember(long memberID);

  /**
   * update peer addresses of the member.
   */
  CompletableFuture updateMember(long memberID, List peerAddrs);

}