/*
 * 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.execution.operator.source.relational.aggregation;

import org.apache.tsfile.enums.TSDataType;
import org.apache.tsfile.utils.Binary;
import org.apache.tsfile.utils.RamUsageEstimator;

public class TableMaxByAccumulator extends TableMaxMinByBaseAccumulator {
  private static final long INSTANCE_SIZE =
      RamUsageEstimator.shallowSizeOfInstance(TableMaxByAccumulator.class);

  protected TableMaxByAccumulator(TSDataType xDataType, TSDataType yDataType) {
    super(xDataType, yDataType);
  }

  @Override
  protected boolean check(int yValue, int yExtremeValue) {
    return yValue > yExtremeValue;
  }

  @Override
  protected boolean check(long yValue, long yExtremeValue) {
    return yValue > yExtremeValue;
  }

  @Override
  protected boolean check(float yValue, float yExtremeValue) {
    return yValue > yExtremeValue;
  }

  @Override
  protected boolean check(double yValue, double yExtremeValue) {
    return yValue > yExtremeValue;
  }

  @Override
  protected boolean check(Binary yValue, Binary yExtremeValue) {
    return yValue.compareTo(yExtremeValue) > 0;
  }

  @Override
  protected boolean check(boolean yValue, boolean yExtremeValue) {
    return yValue;
  }

  @Override
  public long getEstimatedSize() {
    return INSTANCE_SIZE;
  }

  @Override
  public TableAccumulator copy() {
    return new TableMaxByAccumulator(this.xDataType, this.yDataType);
  }
}
