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
   *
   *    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 org.apache.cayenne.reflect;
  
  import java.util.Comparator;
  import java.util.Map.Entry;
  
  /**
   * @since 3.1
   */
  class PropertyComparator implements
          Comparator<Entry<String, PropertyDescriptor>> {
  
      static final Comparator<Entry<String, PropertyDescriptor>> comparator = new PropertyComparator();
  
      public int compare(Entry<String, PropertyDescriptor> o1,
              Entry<String, PropertyDescriptor> o2) {
          if (o1.getValue() instanceof ArcProperty) {
              if (o2.getValue() instanceof ArcProperty) {
                  return o1.getKey().compareTo(o2.getKey());
              } else {
                  return 1;
              }
          } else {
              if (o2.getValue() instanceof ArcProperty) {
                  return -1;
              } else {
                  return o1.getKey().compareTo(o2.getKey());
              }
          }
      }
  }
  