| /** |
| * 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.hadoop.hbase.regionserver.querymatcher; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.CellUtil; |
| import org.apache.hadoop.hbase.classification.InterfaceAudience; |
| import org.apache.hadoop.hbase.regionserver.ScanInfo; |
| |
| /** |
| * Query matcher for minor compaction. |
| */ |
| @InterfaceAudience.Private |
| public class MinorCompactionScanQueryMatcher extends CompactionScanQueryMatcher { |
| |
| public MinorCompactionScanQueryMatcher(ScanInfo scanInfo, DeleteTracker deletes, |
| long readPointToUse, long oldestUnexpiredTS, long now) { |
| super(scanInfo, deletes, readPointToUse, oldestUnexpiredTS, now); |
| } |
| |
| @Override |
| public MatchCode match(Cell cell) throws IOException { |
| MatchCode returnCode = preCheck(cell); |
| if (returnCode != null) { |
| return returnCode; |
| } |
| long mvccVersion = cell.getSequenceId(); |
| if (CellUtil.isDelete(cell)) { |
| if (mvccVersion > maxReadPointToTrackVersions) { |
| // we should not use this delete marker to mask any cell yet. |
| return MatchCode.INCLUDE; |
| } |
| trackDelete(cell); |
| return MatchCode.INCLUDE; |
| } |
| returnCode = checkDeleted(deletes, cell); |
| if (returnCode != null) { |
| return returnCode; |
| } |
| // Skip checking column since we do not remove column during compaction. |
| return columns.checkVersions(cell, cell.getTimestamp(), cell.getTypeByte(), |
| mvccVersion > maxReadPointToTrackVersions); |
| } |
| } |