001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.core.util;
015
016/**
017 * AggregationType classifies how one object is contained within another object.
018 * 
019 * 
020 * 
021 * See also http://en.wikipedia.org/wiki/Class_diagram and
022 * http://en.wikipedia.org/wiki/Object_composition
023 * 
024 * @author Ceki Gulcu
025 */
026public enum AggregationType {
027    NOT_FOUND, AS_BASIC_PROPERTY, // Long, Integer, Double,..., java primitive, String,
028                                  // Duration or FileSize
029    AS_COMPLEX_PROPERTY, // a complex property, a.k.a. attribute, is any attribute
030                         // not covered by basic attributes, i.e.
031                         // object types defined by the user
032    AS_BASIC_PROPERTY_COLLECTION, // a collection of basic attributes
033    AS_COMPLEX_PROPERTY_COLLECTION; // a collection of complex attributes
034}