001/* 002 * Licensed to DuraSpace under one or more contributor license agreements. 003 * See the NOTICE file distributed with this work for additional information 004 * regarding copyright ownership. 005 * 006 * DuraSpace licenses this file to you under the Apache License, 007 * Version 2.0 (the "License"); you may not use this file except in 008 * compliance with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.fcrepo.kernel.modeshape.observer; 019 020import static org.slf4j.LoggerFactory.getLogger; 021import static org.fcrepo.kernel.modeshape.observer.FedoraEventImpl.getResourceTypes; 022 023import javax.jcr.observation.Event; 024 025import org.slf4j.Logger; 026 027import java.util.Set; 028 029/** 030 * Suppresses events emitted by nodes with a provided set of mixins. 031 * 032 * @author escowles 033 * @author ajs6f 034 * @since 2015-04-15 035 */ 036public class SuppressByMixinFilter extends DefaultFilter { 037 038 private static final Logger LOGGER = getLogger(SuppressByMixinFilter.class); 039 private final Set<String> suppressedMixins; 040 041 /** 042 * @param suppressedMixins Resources with these mixins will be filtered out 043 */ 044 public SuppressByMixinFilter(final Set<String> suppressedMixins) { 045 this.suppressedMixins = suppressedMixins; 046 LOGGER.info("Suppressing events for nodes with mixins: {}", suppressedMixins); 047 } 048 049 @Override 050 public boolean test(final Event event) { 051 return super.test(event) && !getResourceTypes(event).anyMatch(suppressedMixins::contains); 052 } 053 054}