/*
 * Copyright 2018 Google LLC
 *
 * 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
 *
 *     https://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.google.cloud.bigtable.admin.v2.models;

import com.google.api.core.InternalApi;
import com.google.common.collect.ImmutableList;
import java.util.List;

/**
 * Exception thrown when some zones are unavailable and listClusters is unable to return a full
 * cluster list. This exception can be inspected to get a partial list.
 */
public class PartialListClustersException extends RuntimeException {
  private final List<String> unavailableZones;
  private final List<Cluster> clusters;

  /**
   * This method is considered an internal implementation detail and not meant to be used by
   * applications.
   */
  @InternalApi
  public PartialListClustersException(List<String> unavailableZones, List<Cluster> clusters) {
    super("Failed to list all instances, some zones where unavailable");
    this.unavailableZones = ImmutableList.copyOf(unavailableZones);
    this.clusters = ImmutableList.copyOf(clusters);
  }

  /** A list of zones, whose unavailability caused this error. */
  public List<String> getUnavailableZones() {
    return unavailableZones;
  }

  /** A partial list of clusters that were found in the available zones. */
  public List<Cluster> getClusters() {
    return clusters;
  }
}
