    001    /*
    002     * Copyright (c) 2007-2014 Concurrent, Inc. All Rights Reserved.
    003     *
    004     * Project and contact information: http://www.cascading.org/
    005     *
    006     * This file is part of the Cascading project.
    007     *
    008     * Licensed under the Apache License, Version 2.0 (the "License");
    009     * you may not use this file except in compliance with the License.
    010     * You may obtain a copy of the License at
    011     *
    012     *     http://www.apache.org/licenses/LICENSE-2.0
    013     *
    014     * Unless required by applicable law or agreed to in writing, software
    015     * distributed under the License is distributed on an "AS IS" BASIS,
    016     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    017     * See the License for the specific language governing permissions and
    018     * limitations under the License.
    019     */
    020
    021    package cascading.management.annotation;
    022
    023    import java.lang.annotation.ElementType;
    024    import java.lang.annotation.Retention;
    025    import java.lang.annotation.RetentionPolicy;
    026    import java.lang.annotation.Target;
    027
    028    /**
    029     * PropertyOrder is an annotation at the class level that controls the sort order of the Property annotations present
    030     * on that class.
    031     * </p>
    032     * Order.DECLARED is the default sort order in which the properties are returned in the order they are returned by the
    033     * reflection API of the JVM. This can be implementation specific and is not guaranteed to be stable.
    034     * <p/>
    035     * Using Order.ALPHABETICAL will cause the properties to be sorted alphabetically.
    036     * <p/>
    037     * Order.GIVEN and an array of Strings containing <em>all</em> properties of that class, will result in a custom order.
    038     */
    039    @Retention(RetentionPolicy.RUNTIME)
    040    @Target(ElementType.TYPE)
    041    public @interface PropertyOrder
    042      {
    043      Order order() default Order.DECLARED;
    044
    045      String[] properties() default {};
    046      }