/*
 * 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.gobblin.service.modules.orchestration;

/**
 * Implements a session manager to refresh the session id.
 *
 * {@link AzkabanClient} needs this class to periodically refresh
 * the seesion id when current session was expired. Please refer
 * to {@link AzkabanClient#refreshSession}.
 */
public interface SessionManager {

  /**
   * Get session id using Azkaban authentication mechanism.
   * @return session id
   */
  String fetchSession() throws AzkabanClientException;
}
