| /* |
| * 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.blob; |
| |
| import java.util.List; |
| |
| /** |
| * Interface for blob garbage collector |
| */ |
| public interface BlobGarbageCollector { |
| |
| /** |
| * Marks garbage blobs from the passed node store instance. |
| * Collects them only if markOnly is false. |
| * |
| * @param markOnly whether to only mark references and not sweep in the mark and sweep operation. |
| * @throws Exception the exception |
| */ |
| void collectGarbage(boolean markOnly) throws Exception; |
| |
| /** |
| * Marks garbage blobs from the passed node store instance. |
| * Collects them only if markOnly is false. Also forces retrieval of |
| * blob ids from the blob store rather than using any local tracking. |
| * |
| * @param markOnly whether to only mark references and not sweep in the mark and sweep operation. |
| * @param forceBlobRetrieve whether to force retrieve of blob ids from datastore |
| * @throws Exception |
| */ |
| void collectGarbage(boolean markOnly, boolean forceBlobRetrieve) throws Exception; |
| |
| /** |
| * Retuns the list of stats |
| * |
| * @return stats |
| * @throws Exception |
| */ |
| List<GarbageCollectionRepoStats> getStats() throws Exception; |
| |
| /** |
| * Checks for consistency in the blob store and reporting the number of missing blobs. |
| * |
| * @return number of inconsistencies |
| * @throws Exception |
| */ |
| long checkConsistency() throws Exception; |
| |
| /** |
| * Returns operation statistics |
| * |
| * @return stats object |
| * @throws Exception |
| */ |
| OperationsStatsMBean getOperationStats() throws Exception; |
| |
| /** |
| * Returns consistency operation statistics |
| * |
| * @return stats object |
| */ |
| OperationsStatsMBean getConsistencyOperationStats(); |
| } |