001/*
002 * (C) Copyright 2006-2012 Nuxeo SA (http://nuxeo.com/) and others.
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 *
016 * Contributors:
017 *     Thomas Roger <troger@nuxeo.com>
018 */
019
020package org.nuxeo.ecm.quota;
021
022import org.nuxeo.ecm.core.api.CoreSession;
023import org.nuxeo.ecm.core.event.Event;
024import org.nuxeo.ecm.core.event.impl.DocumentEventContext;
025
026/**
027 * Interface to be implemented by {@code QuotaStatsUpdater}s registered to the
028 * {@link org.nuxeo.ecm.quota.QuotaStatsService}.
029 * <p>
030 * They use an unrestricted {@link CoreSession} to do the update.
031 * 
032 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a>
033 * @since 5.5
034 */
035public interface QuotaStatsUpdater {
036
037    /**
038     * Update the statistics for the given {@code docCtx} and {@code event}. Signature was changed in 5.6 to pass the
039     * Event instead of the eventName to allow the implementer to rollback the transaction if needed
040     * 
041     * @param session an unrestricted {@link CoreSession} to be used
042     */
043    void updateStatistics(CoreSession session, DocumentEventContext docCtx, Event event);
044
045    /**
046     * Compute the initial statistics on the whole repository for this {@code QuotaStatsUpdater}.
047     * 
048     * @param session an unrestricted {@link CoreSession} to be used
049     */
050    void computeInitialStatistics(CoreSession session, final QuotaStatsInitialWork currentWorker);
051
052    public void setName(String name);
053
054    public String getName();
055
056    public void setLabel(String label);
057
058    public String getLabel();
059
060    public void setDescriptionLabel(String descriptionLabel);
061
062    public String getDescriptionLabel();
063
064}