001/* 002 * (C) Copyright 2017 Nuxeo (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 * Funsho David 018 * Kevin Leturc 019 */ 020package org.nuxeo.ecm.core.versioning; 021 022import java.util.function.BiPredicate; 023 024import org.nuxeo.ecm.core.api.DocumentModel; 025 026/** 027 * A versioning policy filter for automatic versioning system. 028 * 029 * @since 9.1 030 */ 031public interface VersioningPolicyFilter extends BiPredicate<DocumentModel, DocumentModel> { 032 033 /** 034 * @param previousDocument the document before modification, could be null if event is aboutToCreate 035 * @param currentDocument the document after modification 036 */ 037 @Override 038 boolean test(DocumentModel previousDocument, DocumentModel currentDocument); 039 040}