001/** 002 * Copyright 2015 DuraSpace, Inc. 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.fcrepo.kernel.observer; 017 018import javax.jcr.Session; 019import javax.jcr.observation.Event; 020 021import com.google.common.base.Predicate; 022 023/** 024 * Filter JCR events to remove extraneous events 025 * @author eddies 026 * @author ajs6f 027 * @since Feb 7, 2013 028 */ 029public interface EventFilter extends Predicate<Event> { 030 031 /** 032 * Return a {@link Predicate} with which to filter JCR {@link Event}s. 033 * 034 * @param session 035 * @return Predicate 036 */ 037 Predicate<Event> getFilter(final Session session); 038}