| /* |
| * 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.utils; |
| |
| import org.apache.iotdb.common.rpc.thrift.TSStatus; |
| import org.apache.iotdb.protocol.influxdb.rpc.thrift.InfluxTSStatus; |
| import org.apache.iotdb.rpc.IoTDBConnectionException; |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import org.influxdb.InfluxDBException; |
| |
| import java.nio.ByteBuffer; |
| import java.util.List; |
| |
| public class DataTypeUtils { |
| |
| public static final String MSG_UNSUPPORTED_DATA_TYPE = "Unsupported data type:"; |
| private static final byte TYPE_NULL = -2; |
| /** |
| * convert normal type to a type |
| * |
| * @param value need to convert value |
| * @return corresponding TSDataType |
| */ |
| public static TSDataType normalTypeToTSDataType(Object value) { |
| if (value instanceof Boolean) { |
| return TSDataType.BOOLEAN; |
| } else if (value instanceof Integer) { |
| return TSDataType.INT32; |
| } else if (value instanceof Long) { |
| return TSDataType.INT64; |
| } else if (value instanceof Double) { |
| return TSDataType.DOUBLE; |
| } else if (value instanceof String) { |
| return TSDataType.TEXT; |
| } else { |
| throw new InfluxDBException("Data type not valid: " + value.toString()); |
| } |
| } |
| |
| public static InfluxTSStatus RPCStatusToInfluxDBTSStatus(TSStatus status) { |
| InfluxTSStatus tsStatus = new InfluxTSStatus(); |
| tsStatus.setCode(status.code); |
| tsStatus.setMessage(status.message); |
| return tsStatus; |
| } |
| |
| public static ByteBuffer getValueBuffer(List<TSDataType> types, List<Object> values) |
| throws IoTDBConnectionException { |
| ByteBuffer buffer = ByteBuffer.allocate(calculateLength(types, values)); |
| putValues(types, values, buffer); |
| return buffer; |
| } |
| |
| private static int calculateLength(List<TSDataType> types, List<Object> values) |
| throws IoTDBConnectionException { |
| int res = 0; |
| for (int i = 0; i < types.size(); i++) { |
| // types |
| res += Byte.BYTES; |
| switch (types.get(i)) { |
| case BOOLEAN: |
| res += 1; |
| break; |
| case INT32: |
| res += Integer.BYTES; |
| break; |
| case INT64: |
| res += Long.BYTES; |
| break; |
| case FLOAT: |
| res += Float.BYTES; |
| break; |
| case DOUBLE: |
| res += Double.BYTES; |
| break; |
| case TEXT: |
| res += Integer.BYTES; |
| res += ((String) values.get(i)).getBytes(TSFileConfig.STRING_CHARSET).length; |
| break; |
| default: |
| throw new IoTDBConnectionException(MSG_UNSUPPORTED_DATA_TYPE + types.get(i)); |
| } |
| } |
| return res; |
| } |
| |
| /** |
| * put value in buffer |
| * |
| * @param types types list |
| * @param values values list |
| * @param buffer buffer to insert |
| * @throws IoTDBConnectionException |
| */ |
| private static void putValues(List<TSDataType> types, List<Object> values, ByteBuffer buffer) |
| throws IoTDBConnectionException { |
| for (int i = 0; i < values.size(); i++) { |
| if (values.get(i) == null) { |
| ReadWriteIOUtils.write(TYPE_NULL, buffer); |
| continue; |
| } |
| ReadWriteIOUtils.write(types.get(i), buffer); |
| switch (types.get(i)) { |
| case BOOLEAN: |
| ReadWriteIOUtils.write((Boolean) values.get(i), buffer); |
| break; |
| case INT32: |
| ReadWriteIOUtils.write((Integer) values.get(i), buffer); |
| break; |
| case INT64: |
| ReadWriteIOUtils.write((Long) values.get(i), buffer); |
| break; |
| case FLOAT: |
| ReadWriteIOUtils.write((Float) values.get(i), buffer); |
| break; |
| case DOUBLE: |
| ReadWriteIOUtils.write((Double) values.get(i), buffer); |
| break; |
| case TEXT: |
| byte[] bytes = ((String) values.get(i)).getBytes(TSFileConfig.STRING_CHARSET); |
| ReadWriteIOUtils.write(bytes.length, buffer); |
| buffer.put(bytes); |
| break; |
| default: |
| throw new IoTDBConnectionException(MSG_UNSUPPORTED_DATA_TYPE + types.get(i)); |
| } |
| } |
| buffer.flip(); |
| } |
| } |