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 */ 016/** 017 * 018 */ 019 020package org.fcrepo.kernel.impl.observer.eventmappings; 021 022import static com.google.common.collect.Iterators.transform; 023 024import java.util.Iterator; 025 026import javax.jcr.observation.Event; 027 028import org.fcrepo.kernel.observer.FedoraEvent; 029import com.google.common.base.Function; 030import org.fcrepo.kernel.observer.eventmappings.InternalExternalEventMapper; 031 032/** 033 * Maps each JCR {@link Event} to a single {@link FedoraEvent} 034 * 035 * @author ajs6f 036 * @since Feb 27, 2014 037 */ 038public class OneToOne implements InternalExternalEventMapper { 039 040 private static final Function<Event, FedoraEvent> TO_FEDORA_EVENT = new Function<Event, FedoraEvent>() { 041 042 @Override 043 public FedoraEvent apply(final Event e) { 044 return new FedoraEvent(e); 045 } 046 }; 047 048 @Override 049 public Iterator<FedoraEvent> apply(final Iterator<Event> jcrEvents) { 050 return transform(jcrEvents, TO_FEDORA_EVENT); 051 } 052}