001/*
002 * (C) Copyright 2006-2016 Nuxeo SA (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 *     tiry
018 */
019package org.nuxeo.ecm.core.event.pipe;
020
021import org.nuxeo.ecm.core.event.EventBundle;
022
023import java.util.List;
024import java.util.Map;
025
026/**
027 * Provides partial default implementation for a {@link PipeConsumer}
028 *
029 * @since 8.4
030 */
031public abstract class AbstractPipeConsumer<T> implements PipeConsumer<T> {
032
033    protected String name;
034
035    protected Map<String, String> params;
036
037    @Override
038    public void initConsumer(String name, Map<String, String> params) {
039        this.name = name;
040        this.params = params;
041
042    }
043
044    protected String getName() {
045        return name;
046    }
047
048    protected Map<String, String> getParameters() {
049        return params;
050    }
051
052    @Override
053    public boolean receiveMessage(List<T> messages) {
054        List<EventBundle> bundles = unmarshallEventBundle(messages);
055        return processEventBundles(bundles);
056    }
057
058    protected abstract List<EventBundle> unmarshallEventBundle(List<T> messages);
059
060    protected abstract boolean processEventBundles(List<EventBundle> bundles);
061
062}