ValueStat.java

/* 
 * 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 parquet.pig.summary;

public class ValueStat {

  private double total;
  private double min = Double.POSITIVE_INFINITY;
  private double max = Double.NEGATIVE_INFINITY;

  public void add(double v) {
    total += v;
    min = Math.min(min, v);
    max = Math.max(max, v);
  }

  public void merge(ValueStat other) {
    total += other.total;
    min = Math.min(min, other.min);
    max = Math.max(max, other.max);
  }

  public double getTotal() {
    return total;
  }

  public void setTotal(double total) {
    this.total = total;
  }

  public double getMin() {
    return min;
  }

  public void setMin(double min) {
    this.min = min;
  }

  public double getMax() {
    return max;
  }

  public void setMax(double max) {
    this.max = max;
  }


}