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 * Kevin Leturc 018 */ 019package org.nuxeo.ecm.core.opencmis.impl.server.versioning; 020 021import org.nuxeo.ecm.core.api.DocumentModel; 022import org.nuxeo.ecm.core.versioning.VersioningPolicyFilter; 023 024/** 025 * Automatic versioning filter to filter out document from CMIS (automatic versioning is currently not supported by 026 * CMIS). 027 * <p /> 028 * This filter has an enabled state which is a {@link ThreadLocal}, it returns {@link Boolean#TRUE} only for thread 029 * from CMIS. 030 * 031 * @since 9.1 032 */ 033public class CMISVersioningFilter implements VersioningPolicyFilter { 034 035 protected static final ThreadLocal<Boolean> ENABLED = new ThreadLocal<Boolean>() { 036 037 @Override 038 protected Boolean initialValue() { 039 return Boolean.FALSE; 040 } 041 042 }; 043 044 @Override 045 public boolean test(DocumentModel previousDocument, DocumentModel currentDocument) { 046 return ENABLED.get().booleanValue(); 047 } 048 049 /** 050 * Enables the filter for current thread, which will disable the automatic versioning. 051 */ 052 public static void enable() { 053 ENABLED.set(Boolean.TRUE); 054 } 055 056 /** 057 * Disables the filter for current thread. 058 */ 059 public static void disable() { 060 ENABLED.set(Boolean.FALSE); 061 } 062 063}