    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017
    018package org.apache.commons.lang3.builder;
    019
    020import java.lang.annotation.ElementType;
    021import java.lang.annotation.Retention;
    022import java.lang.annotation.RetentionPolicy;
    023import java.lang.annotation.Target;
    024
    025/**
    026 * Use this annotation to exclude a field from being used by
    027 * the various {@code reflectionHashcode} methods defined on
    028 * {@link HashCodeBuilder}.
    029 *
    030 * @since 3.5
    031 */
    032@Retention(RetentionPolicy.RUNTIME)
    033@Target(ElementType.FIELD)
    034public @interface HashCodeExclude {
    035    // empty
    036}