| /* |
| * 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.tsfile.write.chunk; |
| |
| import org.apache.iotdb.tsfile.common.constant.TsFileConstant; |
| import org.apache.iotdb.tsfile.exception.write.UnSupportedDataTypeException; |
| import org.apache.iotdb.tsfile.exception.write.WriteProcessException; |
| import org.apache.iotdb.tsfile.file.metadata.IDeviceID; |
| import org.apache.iotdb.tsfile.file.metadata.PlainDeviceID; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| import org.apache.iotdb.tsfile.write.record.Tablet; |
| import org.apache.iotdb.tsfile.write.record.datapoint.DataPoint; |
| import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| import org.apache.iotdb.tsfile.write.writer.TsFileIOWriter; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** a implementation of IChunkGroupWriter. */ |
| public class NonAlignedChunkGroupWriterImpl implements IChunkGroupWriter { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(NonAlignedChunkGroupWriterImpl.class); |
| |
| private final IDeviceID deviceId; |
| |
| /** Map(measurementID, ChunkWriterImpl). Aligned measurementId is empty. */ |
| private final Map<String, ChunkWriterImpl> chunkWriters = new LinkedHashMap<>(); |
| |
| // measurementId -> lastTime |
| private Map<String, Long> lastTimeMap = new HashMap<>(); |
| |
| public NonAlignedChunkGroupWriterImpl(IDeviceID deviceId) { |
| this.deviceId = deviceId; |
| } |
| |
| @Override |
| public void tryToAddSeriesWriter(MeasurementSchema schema) { |
| if (!chunkWriters.containsKey(schema.getMeasurementId())) { |
| this.chunkWriters.put(schema.getMeasurementId(), new ChunkWriterImpl(schema)); |
| } |
| } |
| |
| @Override |
| public void tryToAddSeriesWriter(List<MeasurementSchema> schemas) { |
| for (IMeasurementSchema schema : schemas) { |
| if (!chunkWriters.containsKey(schema.getMeasurementId())) { |
| this.chunkWriters.put(schema.getMeasurementId(), new ChunkWriterImpl(schema)); |
| } |
| } |
| } |
| |
| @Override |
| public int write(long time, List<DataPoint> data) throws IOException, WriteProcessException { |
| int pointCount = 0; |
| for (DataPoint point : data) { |
| checkIsHistoryData(point.getMeasurementId(), time); |
| |
| if (pointCount == 0) { |
| pointCount++; |
| } |
| point.writeTo( |
| time, chunkWriters.get(point.getMeasurementId())); // write time and value to page |
| lastTimeMap.put(point.getMeasurementId(), time); |
| } |
| return pointCount; |
| } |
| |
| @Override |
| public int write(Tablet tablet) throws WriteProcessException { |
| int maxPointCount = 0, pointCount; |
| List<MeasurementSchema> timeseries = tablet.getSchemas(); |
| for (int column = 0; column < timeseries.size(); column++) { |
| String measurementId = timeseries.get(column).getMeasurementId(); |
| TSDataType tsDataType = timeseries.get(column).getType(); |
| pointCount = 0; |
| for (int row = 0; row < tablet.rowSize; row++) { |
| // check isNull in tablet |
| if (tablet.bitMaps != null |
| && tablet.bitMaps[column] != null |
| && tablet.bitMaps[column].isMarked(row)) { |
| continue; |
| } |
| long time = tablet.timestamps[row]; |
| checkIsHistoryData(measurementId, time); |
| pointCount++; |
| switch (tsDataType) { |
| case INT32: |
| chunkWriters.get(measurementId).write(time, ((int[]) tablet.values[column])[row]); |
| break; |
| case INT64: |
| chunkWriters.get(measurementId).write(time, ((long[]) tablet.values[column])[row]); |
| break; |
| case FLOAT: |
| chunkWriters.get(measurementId).write(time, ((float[]) tablet.values[column])[row]); |
| break; |
| case DOUBLE: |
| chunkWriters.get(measurementId).write(time, ((double[]) tablet.values[column])[row]); |
| break; |
| case BOOLEAN: |
| chunkWriters.get(measurementId).write(time, ((boolean[]) tablet.values[column])[row]); |
| break; |
| case TEXT: |
| chunkWriters.get(measurementId).write(time, ((Binary[]) tablet.values[column])[row]); |
| break; |
| default: |
| throw new UnSupportedDataTypeException( |
| String.format("Data type %s is not supported.", tsDataType)); |
| } |
| lastTimeMap.put(measurementId, time); |
| } |
| maxPointCount = Math.max(pointCount, maxPointCount); |
| } |
| return maxPointCount; |
| } |
| |
| @Override |
| public long flushToFileWriter(TsFileIOWriter fileWriter) throws IOException { |
| LOG.debug("start flush device id:{}", deviceId); |
| // make sure all the pages have been compressed into buffers, so that we can get correct |
| // groupWriter.getCurrentChunkGroupSize(). |
| sealAllChunks(); |
| long currentChunkGroupSize = getCurrentChunkGroupSize(); |
| for (IChunkWriter seriesWriter : chunkWriters.values()) { |
| seriesWriter.writeToFileWriter(fileWriter); |
| } |
| return currentChunkGroupSize; |
| } |
| |
| @Override |
| public long updateMaxGroupMemSize() { |
| long bufferSize = 0; |
| for (IChunkWriter seriesWriter : chunkWriters.values()) { |
| bufferSize += seriesWriter.estimateMaxSeriesMemSize(); |
| } |
| return bufferSize; |
| } |
| |
| @Override |
| public long getCurrentChunkGroupSize() { |
| long size = 0; |
| for (IChunkWriter writer : chunkWriters.values()) { |
| size += writer.getSerializedChunkSize(); |
| } |
| return size; |
| } |
| |
| /** seal all the chunks which may has un-sealed pages in force. */ |
| private void sealAllChunks() { |
| for (IChunkWriter writer : chunkWriters.values()) { |
| writer.sealCurrentPage(); |
| } |
| } |
| |
| private void checkIsHistoryData(String measurementId, long time) throws WriteProcessException { |
| if (time <= lastTimeMap.getOrDefault(measurementId, -1L)) { |
| throw new WriteProcessException( |
| "Not allowed to write out-of-order data in timeseries " |
| + ((PlainDeviceID) deviceId).toStringID() |
| + TsFileConstant.PATH_SEPARATOR |
| + measurementId |
| + ", time should later than " |
| + lastTimeMap.get(measurementId)); |
| } |
| } |
| |
| public Map<String, Long> getLastTimeMap() { |
| return this.lastTimeMap; |
| } |
| |
| public void setLastTimeMap(Map<String, Long> lastTimeMap) { |
| this.lastTimeMap = lastTimeMap; |
| } |
| } |