content: /*
   * 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 com.github.jobson.jobs;
  
  import io.reactivex.Observer;
  import io.reactivex.subjects.PublishSubject;
  
  public interface JobEventListeners {
  
      static JobEventListeners createNullListeners() {
          return create(PublishSubject.create(), PublishSubject.create());
      }
  
      static JobEventListeners createStderrListener(Observer<byte[]> stderrObserver) {
          return JobEventListeners.create(PublishSubject.create(), stderrObserver);
      }
  
      static JobEventListeners createStdoutListener(Observer<byte[]> stdoutObserver) {
          return JobEventListeners.create(stdoutObserver, PublishSubject.create());
      }
  
      static JobEventListeners create(Observer<byte[]> stdoutObserver, Observer<byte[]> stderrObserver) {
          return new JobEventListeners() {
              @Override
              public Observer<byte[]> getOnStdoutListener() {
                  return stdoutObserver;
              }
  
              @Override
              public Observer<byte[]> getOnStderrListener() {
                  return stderrObserver;
              }
          };
      }
  
      Observer<byte[]> getOnStdoutListener();
      Observer<byte[]> getOnStderrListener();
  }
  