| /* |
| * 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.udf.api.utils; |
| |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.udf.api.access.Row; |
| import org.apache.iotdb.udf.api.type.Binary; |
| import org.apache.iotdb.udf.api.type.Type; |
| |
| public class RowImpl implements Row { |
| |
| private final TSDataType[] dataTypes; |
| private final int size; |
| |
| private Object[] rowRecord; |
| |
| public RowImpl(TSDataType[] dataTypes) { |
| this.dataTypes = dataTypes; |
| size = dataTypes.length; |
| } |
| |
| @Override |
| public long getTime() { |
| // Time column is always the last column |
| return (long) rowRecord[size - 1]; |
| } |
| |
| @Override |
| public int getInt(int columnIndex) { |
| return (int) rowRecord[columnIndex]; |
| } |
| |
| @Override |
| public long getLong(int columnIndex) { |
| return (long) rowRecord[columnIndex]; |
| } |
| |
| @Override |
| public float getFloat(int columnIndex) { |
| return (float) rowRecord[columnIndex]; |
| } |
| |
| @Override |
| public double getDouble(int columnIndex) { |
| return (double) rowRecord[columnIndex]; |
| } |
| |
| @Override |
| public boolean getBoolean(int columnIndex) { |
| return (boolean) rowRecord[columnIndex]; |
| } |
| |
| @Override |
| public Binary getBinary(int columnIndex) { |
| return transformToUDFBinary((org.apache.iotdb.tsfile.utils.Binary) rowRecord[columnIndex]); |
| } |
| |
| @Override |
| public String getString(int columnIndex) { |
| return rowRecord[columnIndex].toString(); |
| } |
| |
| @Override |
| public Type getDataType(int columnIndex) { |
| return transformToUDFDataType(dataTypes[columnIndex]); |
| } |
| |
| @Override |
| public boolean isNull(int columnIndex) { |
| return rowRecord[columnIndex] == null; |
| } |
| |
| @Override |
| public int size() { |
| return size; |
| } |
| |
| public void setRowRecord(Object[] rowRecord) { |
| this.rowRecord = rowRecord; |
| } |
| |
| public static Binary transformToUDFBinary(org.apache.iotdb.tsfile.utils.Binary binary) { |
| return binary == null ? null : new Binary(binary.getValues()); |
| } |
| |
| private static Type transformToUDFDataType(TSDataType tsDataType) { |
| if (tsDataType == null) { |
| return null; |
| } |
| byte type = tsDataType.getType(); |
| switch (type) { |
| case 0: |
| return Type.BOOLEAN; |
| case 1: |
| return Type.INT32; |
| case 2: |
| return Type.INT64; |
| case 3: |
| return Type.FLOAT; |
| case 4: |
| return Type.DOUBLE; |
| case 5: |
| return Type.TEXT; |
| default: |
| throw new IllegalArgumentException("Invalid input: " + type); |
| } |
| } |
| } |