| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.jackrabbit.oak.plugins.document; |
| |
| import java.util.Iterator; |
| |
| import org.apache.jackrabbit.oak.api.Blob; |
| import org.apache.jackrabbit.oak.plugins.blob.BlobReferenceRetriever; |
| import org.apache.jackrabbit.oak.plugins.blob.BlobStoreBlob; |
| import org.apache.jackrabbit.oak.plugins.blob.ReferenceCollector; |
| import org.apache.jackrabbit.oak.plugins.blob.ReferencedBlob; |
| import org.apache.jackrabbit.oak.plugins.document.util.Utils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Implementation of {@link BlobReferenceRetriever} for the DocumentNodeStore. |
| */ |
| public class DocumentBlobReferenceRetriever implements BlobReferenceRetriever { |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| private final DocumentNodeStore nodeStore; |
| |
| public DocumentBlobReferenceRetriever(DocumentNodeStore nodeStore) { |
| this.nodeStore = nodeStore; |
| } |
| |
| @Override |
| public void collectReferences(ReferenceCollector collector) { |
| int referencesFound = 0; |
| Iterator<ReferencedBlob> blobIterator = null; |
| try { |
| blobIterator = nodeStore.getReferencedBlobsIterator(); |
| while (blobIterator.hasNext()) { |
| ReferencedBlob refBlob = blobIterator.next(); |
| Blob blob = refBlob.getBlob(); |
| referencesFound++; |
| |
| // TODO this mode would also add in memory blobId |
| // Would that be an issue |
| |
| if (blob instanceof BlobStoreBlob) { |
| collector.addReference(((BlobStoreBlob) blob).getBlobId(), refBlob.getId()); |
| } else { |
| // TODO Should not rely on toString. Instead obtain |
| // secure reference and convert that to blobId using |
| // blobStore |
| |
| collector.addReference(blob.toString(), refBlob.getId()); |
| } |
| } |
| } finally { |
| Utils.closeIfCloseable(blobIterator); |
| } |
| log.debug("Total blob references found (including chunk resolution) [{}]", referencesFound); |
| } |
| } |
| |