solr/contrib/prometheus-exporter/src/java/org/apache/solr/prometheus/exporter/SolrScrapeConfiguration.java

/*
 * 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.solr.prometheus.exporter;

import java.util.Optional;

public class SolrScrapeConfiguration {

  public enum ConnectionType {
    CLOUD,
    STANDALONE
  }

  private final ConnectionType type;
  private final String zookeeperConnectionString;
  private final String solrHost;

  private SolrScrapeConfiguration(ConnectionType type, String zookeeperConnectionString, String solrHost) {
    this.type = type;
    this.zookeeperConnectionString = zookeeperConnectionString;
    this.solrHost = solrHost;
  }

  public ConnectionType getType() {
    return type;
  }

  public Optional<String> getZookeeperConnectionString() {
    return Optional.ofNullable(zookeeperConnectionString);
  }

  public Optional<String> getSolrHost() {
    return Optional.ofNullable(solrHost);
  }

  public static SolrScrapeConfiguration solrCloud(String zookeeperConnectionString) {
    return new SolrScrapeConfiguration(ConnectionType.CLOUD, zookeeperConnectionString, null);
  }

  public static SolrScrapeConfiguration standalone(String solrHost) {
    return new SolrScrapeConfiguration(ConnectionType.STANDALONE, null, solrHost);
  }

}