/*
 * 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.ambari.infra.solr.commands;

import org.apache.ambari.infra.solr.AmbariSolrCloudClient;
import org.apache.solr.client.solrj.request.CollectionAdminRequest;
import org.apache.solr.client.solrj.response.CollectionAdminResponse;

import java.util.List;

public class ListCollectionCommand extends AbstractSolrRetryCommand<CollectionAdminRequest.List, List<String>> {

  public ListCollectionCommand(int maxRetries, int interval) {
    super(maxRetries, interval);
  }

  @Override
  public List<String> handleResponse(CollectionAdminResponse response, AmbariSolrCloudClient client) throws Exception {
    List<String> allCollectionList = (List<String>) response
      .getResponse().get("collections");
    return allCollectionList;
  }

  @Override
  public CollectionAdminRequest.List createRequest(AmbariSolrCloudClient client) {
    return new CollectionAdminRequest.List();
  }

  @Override
  public String errorMessage(AmbariSolrCloudClient client) {
    return "Cannot get collections.";
  }
}