001/*
002 *  Copyright 2012 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.web.cache.zoneitem;
017
018import java.util.Arrays;
019import java.util.Collections;
020import java.util.List;
021import java.util.Set;
022
023import org.ametys.web.ObservationConstants;
024import org.ametys.web.cache.pageelement.AbstractSimplePageElementCachePolicy;
025
026/**
027 * Zone item cache policy for contents.
028 */
029public class ContentZoneItemCachePolicy extends AbstractSimplePageElementCachePolicy
030{
031    @Override
032    public Set<String> getPageElementTypes()
033    {
034        return Collections.singleton("CONTENT");
035    }
036
037    @Override
038    protected List<String> _getRemovingCacheEventIds(String workspace)
039    {
040        // remove content from cache when pages are moved or deleted, 
041        // as the content may contains links to these pages.
042        // Also remove from cache when resources or resource collections are 
043        // moved, deleted or renamed, as the content may to theses resources.
044        return Arrays.asList(ObservationConstants.EVENT_PAGE_DELETED,
045                             ObservationConstants.EVENT_PAGE_MOVED,
046                             org.ametys.plugins.explorer.ObservationConstants.EVENT_RESOURCE_RENAMED,
047                             org.ametys.plugins.explorer.ObservationConstants.EVENT_RESOURCE_DELETED,
048                             org.ametys.plugins.explorer.ObservationConstants.EVENT_RESOURCE_MOVED,
049                             org.ametys.plugins.explorer.ObservationConstants.EVENT_COLLECTION_RENAMED,
050                             org.ametys.plugins.explorer.ObservationConstants.EVENT_COLLECTION_MOVED,
051                             org.ametys.plugins.explorer.ObservationConstants.EVENT_COLLECTION_DELETED);
052    }
053}