| /* |
| * 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.memtable; |
| |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.commons.path.PathPatternUtil; |
| import org.apache.iotdb.db.storageengine.dataregion.wal.buffer.IWALByteBufferView; |
| import org.apache.iotdb.db.storageengine.dataregion.wal.utils.WALWriteUtils; |
| import org.apache.iotdb.tsfile.utils.BitMap; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| public class WritableMemChunkGroup implements IWritableMemChunkGroup { |
| |
| private Map<String, IWritableMemChunk> memChunkMap; |
| |
| public WritableMemChunkGroup() { |
| memChunkMap = new HashMap<>(); |
| } |
| |
| @Override |
| public boolean writeValuesWithFlushCheck( |
| long[] times, |
| Object[] columns, |
| BitMap[] bitMaps, |
| List<IMeasurementSchema> schemaList, |
| int start, |
| int end) { |
| boolean flushFlag = false; |
| for (int i = 0; i < columns.length; i++) { |
| if (columns[i] == null) { |
| continue; |
| } |
| IWritableMemChunk memChunk = createMemChunkIfNotExistAndGet(schemaList.get(i)); |
| flushFlag |= |
| memChunk.writeWithFlushCheck( |
| times, |
| columns[i], |
| bitMaps == null ? null : bitMaps[i], |
| schemaList.get(i).getType(), |
| start, |
| end); |
| } |
| return flushFlag; |
| } |
| |
| private IWritableMemChunk createMemChunkIfNotExistAndGet(IMeasurementSchema schema) { |
| return memChunkMap.computeIfAbsent( |
| schema.getMeasurementId(), k -> new WritableMemChunk(schema)); |
| } |
| |
| @Override |
| public void release() { |
| for (IWritableMemChunk memChunk : memChunkMap.values()) { |
| memChunk.release(); |
| } |
| } |
| |
| @Override |
| public long count() { |
| long count = 0; |
| for (IWritableMemChunk memChunk : memChunkMap.values()) { |
| count += memChunk.count(); |
| } |
| return count; |
| } |
| |
| @Override |
| public boolean contains(String measurement) { |
| return memChunkMap.containsKey(measurement); |
| } |
| |
| @Override |
| public boolean writeWithFlushCheck( |
| long insertTime, Object[] objectValue, List<IMeasurementSchema> schemaList) { |
| boolean flushFlag = false; |
| for (int i = 0; i < objectValue.length; i++) { |
| if (objectValue[i] == null) { |
| continue; |
| } |
| IWritableMemChunk memChunk = createMemChunkIfNotExistAndGet(schemaList.get(i)); |
| flushFlag |= memChunk.writeWithFlushCheck(insertTime, objectValue[i]); |
| } |
| return flushFlag; |
| } |
| |
| @Override |
| public Map<String, IWritableMemChunk> getMemChunkMap() { |
| return memChunkMap; |
| } |
| |
| @SuppressWarnings("squid:S3776") |
| @Override |
| public int delete( |
| PartialPath originalPath, PartialPath devicePath, long startTimestamp, long endTimestamp) { |
| int deletedPointsNumber = 0; |
| String targetMeasurement = originalPath.getMeasurement(); |
| if (PathPatternUtil.hasWildcard(targetMeasurement)) { |
| Iterator<Entry<String, IWritableMemChunk>> iter = memChunkMap.entrySet().iterator(); |
| while (iter.hasNext()) { |
| Entry<String, IWritableMemChunk> entry = iter.next(); |
| if (!PathPatternUtil.isNodeMatch(targetMeasurement, entry.getKey())) { |
| continue; |
| } |
| IWritableMemChunk chunk = entry.getValue(); |
| if (startTimestamp == Long.MIN_VALUE && endTimestamp == Long.MAX_VALUE) { |
| iter.remove(); |
| deletedPointsNumber += chunk.count(); |
| chunk.release(); |
| } else { |
| deletedPointsNumber += chunk.delete(startTimestamp, endTimestamp); |
| if (chunk.count() == 0) { |
| iter.remove(); |
| } |
| } |
| } |
| } else { |
| IWritableMemChunk chunk = memChunkMap.get(targetMeasurement); |
| if (chunk != null) { |
| if (startTimestamp == Long.MIN_VALUE && endTimestamp == Long.MAX_VALUE) { |
| memChunkMap.remove(targetMeasurement); |
| deletedPointsNumber += chunk.count(); |
| chunk.release(); |
| } else { |
| deletedPointsNumber += chunk.delete(startTimestamp, endTimestamp); |
| if (chunk.count() == 0) { |
| memChunkMap.remove(targetMeasurement); |
| } |
| } |
| } |
| } |
| |
| return deletedPointsNumber; |
| } |
| |
| @Override |
| public long getCurrentTVListSize(String measurement) { |
| return memChunkMap.get(measurement).getTVList().rowCount(); |
| } |
| |
| @Override |
| public long getMaxTime() { |
| long maxTime = Long.MIN_VALUE; |
| for (IWritableMemChunk memChunk : memChunkMap.values()) { |
| maxTime = Math.max(maxTime, memChunk.getMaxTime()); |
| } |
| return maxTime; |
| } |
| |
| @Override |
| public int serializedSize() { |
| int size = 0; |
| size += Integer.BYTES; |
| for (Map.Entry<String, IWritableMemChunk> entry : memChunkMap.entrySet()) { |
| size += ReadWriteIOUtils.sizeToWrite(entry.getKey()); |
| size += entry.getValue().serializedSize(); |
| } |
| return size; |
| } |
| |
| @Override |
| public void serializeToWAL(IWALByteBufferView buffer) { |
| buffer.putInt(memChunkMap.size()); |
| for (Map.Entry<String, IWritableMemChunk> entry : memChunkMap.entrySet()) { |
| WALWriteUtils.write(entry.getKey(), buffer); |
| IWritableMemChunk memChunk = entry.getValue(); |
| memChunk.serializeToWAL(buffer); |
| } |
| } |
| |
| public static WritableMemChunkGroup deserialize(DataInputStream stream) throws IOException { |
| WritableMemChunkGroup memChunkGroup = new WritableMemChunkGroup(); |
| int memChunkMapSize = stream.readInt(); |
| for (int i = 0; i < memChunkMapSize; ++i) { |
| String measurement = ReadWriteIOUtils.readString(stream); |
| IWritableMemChunk memChunk = WritableMemChunk.deserialize(stream); |
| memChunkGroup.memChunkMap.put(measurement, memChunk); |
| } |
| return memChunkGroup; |
| } |
| } |