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 org.apache.causeway.core.metamodel.spec.impl;
  
  import org.apache.causeway.applib.id.LogicalType;
  import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
  
  interface ObjectSpecificationMutable extends ObjectSpecification {
      
      public enum IntrospectionState implements Comparable<IntrospectionState> {
          /**
           * At this stage, {@link LogicalType} only.
           */
          NOT_INTROSPECTED,
  
          /**
           * Interim stage, to avoid infinite loops while on way to being {@link #TYPE_INTROSPECTED}
           */
          TYPE_BEING_INTROSPECTED,
  
          /**
           * Type has been introspected (but not its members).
           */
          TYPE_INTROSPECTED,
  
          /**
           * Interim stage, to avoid infinite loops while on way to being {@link #FULLY_INTROSPECTED}
           */
          MEMBERS_BEING_INTROSPECTED,
  
          /**
           * Fully introspected... class and also its members.
           */
          FULLY_INTROSPECTED
  
      }
      
      /**
       * Introspecting up to the level required.
       * @since 2.0
       */
      void introspectUpTo(IntrospectionState upTo);
      
  }
  