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.applib.annotation;
  
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Inherited;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  
  /**
   * Indicates that a method is an <i>Object</i> lifecycle callback method,
   * one of (created, loaded, saved, ...).
   * <p>
   * May only be placed on <i>domain object</i> methods, not <i>mixins</i> nor <i>domain services</i>.
   * <p>
   * By placing the {@link ObjectLifecycle} annotation on a method, a contract with the meta-model is enforced,
   * such that this method must be recognized by the meta-model and cannot be ignored.
   * <p>
   * It is complementary to {@link MemberSupport} and {@link ObjectSupport},
   * and in some sense acts as the semantic counterpart to {@link Programmatic}.
   *
   * @since 2.0 {@index}
   * @see ObjectSupport
   * @see MemberSupport
   * @see Programmatic
   */
  @Inherited
  @Target({ ElementType.METHOD, ElementType.ANNOTATION_TYPE })
  @Retention(RetentionPolicy.RUNTIME)
  @Domain.Include // meta annotation, in support of meta-model validation
  public @interface ObjectLifecycle {
  
  }
  