| /* |
| * 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.read.reader.common; |
| |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.read.TimeValuePair; |
| import org.apache.iotdb.tsfile.read.reader.IPointReader; |
| import org.apache.iotdb.tsfile.utils.TsPrimitiveType; |
| |
| import java.io.IOException; |
| |
| public class FakedSeriesReader implements IPointReader { |
| |
| private int index; |
| private int size; |
| private boolean initWithTimeList; |
| private static final TSDataType DATA_TYPE = TSDataType.INT64; |
| |
| // init with time list and value |
| private long[] timestamps; |
| private long value; |
| |
| // init with startTime, size, interval and modValue |
| private long startTime; |
| private int interval; |
| private int modValue; |
| |
| public FakedSeriesReader(long[] timestamps, long value) { |
| this.initWithTimeList = true; |
| this.index = 0; |
| this.size = timestamps.length; |
| this.timestamps = timestamps; |
| this.value = value; |
| } |
| |
| public FakedSeriesReader(long startTime, int size, int interval, int modValue) { |
| this.initWithTimeList = false; |
| this.index = 0; |
| this.size = size; |
| this.startTime = startTime; |
| this.interval = interval; |
| this.modValue = modValue; |
| } |
| |
| @Override |
| public boolean hasNextTimeValuePair() { |
| return index < size; |
| } |
| |
| @Override |
| public TimeValuePair nextTimeValuePair() { |
| if (initWithTimeList) { |
| return new TimeValuePair(timestamps[index++], TsPrimitiveType.getByType(DATA_TYPE, value)); |
| } else { |
| long time = startTime; |
| startTime += interval; |
| index++; |
| return new TimeValuePair(time, TsPrimitiveType.getByType(TSDataType.INT64, time % modValue)); |
| } |
| } |
| |
| @Override |
| public TimeValuePair currentTimeValuePair() throws IOException { |
| throw new IOException("current() in FakedPrioritySeriesReader is an empty method."); |
| } |
| |
| @Override |
| public long getUsedMemorySize() { |
| // not used |
| return 0; |
| } |
| |
| @Override |
| public void close() {} |
| } |