| /* |
| * 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.queryengine.transformation.datastructure.tv; |
| |
| import org.apache.tsfile.common.conf.TSFileConfig; |
| import org.apache.tsfile.enums.TSDataType; |
| import org.apache.tsfile.utils.PublicBAOS; |
| import org.apache.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| import static org.apache.iotdb.commons.conf.IoTDBConstant.MB; |
| |
| public class SerializableIntTVList extends SerializableTVList { |
| |
| protected static int calculateCapacity(float memoryLimitInMB) { |
| float memoryLimitInB = memoryLimitInMB * MB / 2; |
| // One time-value pair with 1 extra bit(1/8 Byte) in bitMap |
| return TSFileConfig.ARRAY_CAPACITY_THRESHOLD |
| * (int) |
| (memoryLimitInB |
| / ((ReadWriteIOUtils.LONG_LEN + ReadWriteIOUtils.INT_LEN + ReadWriteIOUtils.BIT_LEN) |
| * TSFileConfig.ARRAY_CAPACITY_THRESHOLD)); |
| } |
| |
| protected SerializableIntTVList(SerializationRecorder serializationRecorder) { |
| super(TSDataType.INT32, serializationRecorder); |
| } |
| |
| @Override |
| public void serialize(PublicBAOS outputStream) throws IOException { |
| int size = length(); |
| serializationRecorder.setSerializedElementSize(size); |
| int serializedByteLength = 0; |
| for (int i = 0; i < size; ++i) { |
| serializedByteLength += ReadWriteIOUtils.write(getTimeByIndex(i), outputStream); |
| serializedByteLength += ReadWriteIOUtils.write(getIntByIndex(i), outputStream); |
| } |
| serializationRecorder.setSerializedByteLength(serializedByteLength); |
| } |
| |
| @Override |
| public void deserialize(ByteBuffer byteBuffer) { |
| int serializedElementSize = serializationRecorder.getSerializedElementSize(); |
| for (int i = 0; i < serializedElementSize; ++i) { |
| putInt(ReadWriteIOUtils.readLong(byteBuffer), ReadWriteIOUtils.readInt(byteBuffer)); |
| } |
| } |
| |
| @Override |
| public void release() { |
| timeRet = null; |
| intRet = null; |
| } |
| } |