| /* |
| * 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.carbondata.processing.merger; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.carbondata.core.mutate.CarbonUpdateUtil; |
| import org.apache.carbondata.core.scan.result.iterator.RawResultIterator; |
| import org.apache.carbondata.processing.loading.model.CarbonLoadModel; |
| import org.apache.carbondata.processing.store.CarbonDataFileAttributes; |
| import org.apache.carbondata.processing.store.CarbonFactDataHandlerModel; |
| |
| /** |
| * This class contains the common methods required for result processing during compaction based on |
| * restructure and normal scenarios |
| */ |
| public abstract class AbstractResultProcessor { |
| |
| /** |
| * This method will perform the desired tasks of merging the selected slices |
| * |
| * @param unsortedResultIteratorList |
| * @param sortedResultIteratorList |
| * @return |
| */ |
| public abstract boolean execute(List<RawResultIterator> unsortedResultIteratorList, |
| List<RawResultIterator> sortedResultIteratorList) throws Exception; |
| |
| /** |
| * This method will be sued to clean up the resources and close all the spawned threads to avoid |
| * any kind of memory or thread leak |
| */ |
| public abstract void close(); |
| |
| protected void setDataFileAttributesInModel(CarbonLoadModel loadModel, |
| CompactionType compactionType, CarbonFactDataHandlerModel carbonFactDataHandlerModel) |
| throws IOException { |
| CarbonDataFileAttributes carbonDataFileAttributes; |
| if (compactionType == CompactionType.IUD_UPDDEL_DELTA) { |
| long taskNo = CarbonUpdateUtil.getLatestTaskIdForSegment(loadModel.getSegment(), |
| loadModel.getTablePath()); |
| // Increase the Task Index as in IUD_UPDDEL_DELTA_COMPACTION the new file will |
| // be written in same segment. So the TaskNo should be incremented by 1 from max val. |
| long index = taskNo + 1; |
| carbonDataFileAttributes = new CarbonDataFileAttributes(index, loadModel.getFactTimeStamp()); |
| } else { |
| carbonDataFileAttributes = |
| new CarbonDataFileAttributes(loadModel.getTaskNo(), |
| loadModel.getFactTimeStamp()); |
| } |
| carbonFactDataHandlerModel.setCarbonDataFileAttributes(carbonDataFileAttributes); |
| } |
| |
| } |