001/*
002 * (C) Copyright 2017 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 *     bdelbosc
018 */
019
020package org.nuxeo.importer.stream.consumer;
021
022import org.nuxeo.ecm.core.blob.BlobInfo;
023import org.nuxeo.importer.stream.message.BlobInfoMessage;
024import org.nuxeo.importer.stream.message.DocumentMessage;
025import org.nuxeo.lib.stream.log.LogAppender;
026
027/**
028 * Write blob information to a Log, use only one partition.
029 *
030 * @since 9.3
031 */
032public class LogBlobInfoWriter implements BlobInfoWriter {
033    protected final LogAppender<BlobInfoMessage> appender;
034
035    public LogBlobInfoWriter(LogAppender<BlobInfoMessage> blobInfoAppender) {
036        this.appender = blobInfoAppender;
037    }
038
039    @Override
040    public void save(DocumentMessage.Builder builder, BlobInfo info) {
041        // use only the first partition
042        appender.append(0, new BlobInfoMessage(info));
043    }
044
045    @Override
046    public void close() {
047        // not needed
048    }
049
050}