001package org.apache.commons.jcs.engine.control.event.behavior;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  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,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022/**
023 * This describes the events that an item can encounter.
024 */
025public enum ElementEventType
026{
027    /** Background expiration */
028    EXCEEDED_MAXLIFE_BACKGROUND,
029
030    /*** Expiration discovered on request */
031    EXCEEDED_MAXLIFE_ONREQUEST,
032
033    /** Background expiration */
034    EXCEEDED_IDLETIME_BACKGROUND,
035
036    /** Expiration discovered on request */
037    EXCEEDED_IDLETIME_ONREQUEST,
038
039    /** Moving from memory to disk (what if no disk?) */
040    SPOOLED_DISK_AVAILABLE,
041
042    /** Moving from memory to disk (what if no disk?) */
043    SPOOLED_DISK_NOT_AVAILABLE,
044
045    /** Moving from memory to disk, but item is not spoolable */
046    SPOOLED_NOT_ALLOWED //,
047
048    /** Removed actively by a remove command. (Could distinguish between local and remote) */
049    //REMOVED,
050    /**
051     * Element was requested from cache. Not sure we ever want to implement this.
052     */
053    //GET
054}