org.apache.parquet.pig.summary.StringSummaryData Maven / Gradle / Ivy
/*
* 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.parquet.pig.summary;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import com.fasterxml.jackson.annotation.JsonInclude;
import org.apache.parquet.pig.summary.EnumStat.EnumValueCount;
/**
* Summary data for a String
*/
@JsonInclude(JsonInclude.Include.NON_NULL)
public class StringSummaryData extends SummaryData {
private ValueStat size = new ValueStat();
private EnumStat values = new EnumStat();
public void add(String s) {
super.add(s);
size.add(s.length());
values.add(s);
}
@Override
public void merge(SummaryData other) {
super.merge(other);
StringSummaryData stringSummaryData = (StringSummaryData) other;
size.merge(stringSummaryData.size);
values.merge(stringSummaryData.values);
}
public ValueStat getSize() {
return size;
}
public void setSize(ValueStat size) {
this.size = size;
}
public Collection getValues() {
Collection values2 = values.getValues();
if (values2 == null) {
return null;
}
List list = new ArrayList(values2);
Collections.sort(list, new Comparator() {
@Override
public int compare(EnumValueCount o1, EnumValueCount o2) {
return o2.getCount() - o1.getCount();
}
});
return list;
}
public void setValues(Collection values) {
this.values.setValues(values);
}
}
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