| /* |
| * 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.iotdb.db.storageengine.dataregion.compaction.selector.utils; |
| |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileRepairStatus; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResource; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResourceStatus; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.timeindex.DeviceTimeIndex; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.timeindex.ITimeIndex; |
| |
| import org.apache.tsfile.file.metadata.IDeviceID; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class TsFileResourceCandidate { |
| @SuppressWarnings("squid:S1104") |
| public TsFileResource resource; |
| |
| @SuppressWarnings("squid:S1104") |
| public boolean selected; |
| |
| @SuppressWarnings("squid:S1104") |
| public boolean isValidCandidate; |
| |
| private Map<IDeviceID, DeviceInfo> deviceInfoMap; |
| |
| private boolean hasDetailedDeviceInfo; |
| |
| protected TsFileResourceCandidate(TsFileResource tsFileResource) { |
| this.resource = tsFileResource; |
| this.selected = false; |
| // although we do the judgement here, the task should be validated before executing because |
| // the status of file may be changed after the task is submitted to queue |
| this.isValidCandidate = |
| tsFileResource.getStatus() == TsFileResourceStatus.NORMAL |
| && tsFileResource.getTsFileRepairStatus() == TsFileRepairStatus.NORMAL; |
| } |
| |
| /** |
| * The TsFile is unsealed means there may be more data which will be inserted into this file. |
| * |
| * @return Whether the TsFile is unsealed. |
| */ |
| public boolean unsealed() { |
| return resource.getStatus() == TsFileResourceStatus.UNCLOSED; |
| } |
| |
| private void prepareDeviceInfos() throws IOException { |
| if (deviceInfoMap != null) { |
| return; |
| } |
| deviceInfoMap = new LinkedHashMap<>(); |
| if (resource.getTimeIndexType() == ITimeIndex.FILE_TIME_INDEX_TYPE) { |
| // deserialize resource file |
| resource.readLock(); |
| try { |
| if (!resource.resourceFileExists()) { |
| hasDetailedDeviceInfo = false; |
| return; |
| } |
| DeviceTimeIndex timeIndex = resource.buildDeviceTimeIndex(); |
| for (IDeviceID deviceId : timeIndex.getDevices()) { |
| deviceInfoMap.put( |
| deviceId, |
| new DeviceInfo( |
| deviceId, timeIndex.getStartTime(deviceId), timeIndex.getEndTime(deviceId))); |
| } |
| } finally { |
| resource.readUnlock(); |
| } |
| } else { |
| for (IDeviceID deviceId : resource.getDevices()) { |
| deviceInfoMap.put( |
| deviceId, |
| new DeviceInfo( |
| deviceId, resource.getStartTime(deviceId), resource.getEndTime(deviceId))); |
| } |
| } |
| hasDetailedDeviceInfo = true; |
| } |
| |
| public void markAsSelected() { |
| this.selected = true; |
| } |
| |
| public List<DeviceInfo> getDevices() throws IOException { |
| prepareDeviceInfos(); |
| return new ArrayList<>(deviceInfoMap.values()); |
| } |
| |
| public DeviceInfo getDeviceInfoById(IDeviceID deviceId) throws IOException { |
| prepareDeviceInfos(); |
| return deviceInfoMap.get(deviceId); |
| } |
| |
| public boolean containsDevice(IDeviceID deviceId) throws IOException { |
| prepareDeviceInfos(); |
| return deviceInfoMap.containsKey(deviceId); |
| } |
| |
| public boolean hasDetailedDeviceInfo() throws IOException { |
| prepareDeviceInfos(); |
| return hasDetailedDeviceInfo; |
| } |
| |
| public boolean mayHasOverlapWithUnseqFile(DeviceInfo unseqFileDeviceInfo) throws IOException { |
| prepareDeviceInfos(); |
| long endTime = |
| containsDevice(unseqFileDeviceInfo.deviceId) |
| ? getDeviceInfoById(unseqFileDeviceInfo.deviceId).endTime |
| : resource.getFileEndTime(); |
| return unseqFileDeviceInfo.startTime <= endTime; |
| } |
| } |