| /* |
| * 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.file.metadata.statistics; |
| |
| import org.apache.iotdb.tsfile.exception.filter.StatisticsClassException; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.utils.RamUsageEstimator; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.ByteBuffer; |
| |
| public class TimeStatistics extends Statistics<Long> { |
| |
| public static final long INSTANCE_SIZE = |
| RamUsageEstimator.shallowSizeOfInstance(TimeStatistics.class); |
| |
| private static final String TIME = "Time"; |
| private static final String UPDATE_STATS = "update stats"; |
| |
| @Override |
| public TSDataType getType() { |
| return TSDataType.VECTOR; |
| } |
| |
| /** The output of this method should be identical to the method "serializeStats(outputStream)". */ |
| @Override |
| public int getStatsSize() { |
| return 0; |
| } |
| |
| @Override |
| public long getRetainedSizeInBytes() { |
| return INSTANCE_SIZE; |
| } |
| |
| @Override |
| public void update(long time) { |
| super.update(time); |
| setEmpty(false); |
| } |
| |
| @Override |
| public void update(long[] time, int batchSize) { |
| super.update(time, batchSize); |
| if (batchSize > 0) { |
| setEmpty(false); |
| } |
| } |
| |
| @Override |
| public void update(long[] time, int batchSize, int arrayOffset) { |
| super.update(time, batchSize, arrayOffset); |
| if (batchSize > 0) { |
| setEmpty(false); |
| } |
| } |
| |
| @Override |
| public Long getMinValue() { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, "min value")); |
| } |
| |
| @Override |
| public Long getMaxValue() { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, "max value")); |
| } |
| |
| @Override |
| public Long getFirstValue() { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, "first value")); |
| } |
| |
| @Override |
| public Long getLastValue() { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, "last value")); |
| } |
| |
| @Override |
| public double getSumDoubleValue() { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, "double sum")); |
| } |
| |
| @Override |
| public long getSumLongValue() { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, "long sum")); |
| } |
| |
| @Override |
| void updateStats(long value) { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, UPDATE_STATS)); |
| } |
| |
| @Override |
| void updateStats(long[] values, int batchSize) { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, UPDATE_STATS)); |
| } |
| |
| @Override |
| public void updateStats(long minValue, long maxValue) { |
| throw new StatisticsClassException(String.format(STATS_UNSUPPORTED_MSG, TIME, UPDATE_STATS)); |
| } |
| |
| @Override |
| protected void mergeStatisticsValue(Statistics<Long> stats) {} |
| |
| @Override |
| public int serializeStats(OutputStream outputStream) { |
| return 0; |
| } |
| |
| @Override |
| public void deserialize(InputStream inputStream) throws IOException {} |
| |
| @Override |
| public void deserialize(ByteBuffer byteBuffer) {} |
| } |