edu.pitt.dbmi.data.reader.tabular.DiscreteTabularDataColumn Maven / Gradle / Ivy
/*
* Copyright (C) 2018 University of Pittsburgh.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package edu.pitt.dbmi.data.reader.tabular;
import edu.pitt.dbmi.data.reader.DataColumn;
import edu.pitt.dbmi.data.reader.DiscreteDataColumn;
import java.util.*;
/**
* Dec 31, 2018 1:20:24 PM
*
* @author Kevin V. Bui ([email protected])
* @version $Id: $Id
*/
public class DiscreteTabularDataColumn implements DiscreteDataColumn {
private final DataColumn dataColumn;
private final Map values;
private List categories;
/**
* Constructor.
*
* @param dataColumn The data column.
*/
public DiscreteTabularDataColumn(DataColumn dataColumn) {
this.dataColumn = dataColumn;
this.values = new TreeMap<>();
}
/**
* {@inheritDoc}
*
* Returns a string representation of the object.
*/
@Override
public String toString() {
return "DiscreteTabularDataColumn{" + "dataColumn=" + this.dataColumn + ", values=" + this.values + ", categories=" + this.categories + '}';
}
/**
* {@inheritDoc}
*
* Gets the encode value of the given value.
*/
@Override
public Integer getEncodeValue(String value) {
return this.values.get(value);
}
/**
* {@inheritDoc}
*
* Does a recategorization of the data column.
*/
@Override
public void recategorize() {
Set keyset = this.values.keySet();
this.categories = new ArrayList<>(keyset.size());
int count = 0;
for (String key : keyset) {
this.values.put(key, count++);
this.categories.add(key);
}
}
/**
* {@inheritDoc}
*
* Gets the value of the given encode value.
*/
@Override
public void setValue(String value) {
this.values.put(value, null);
}
/**
* {@inheritDoc}
*
* Gets the data column.
*/
@Override
public DataColumn getDataColumn() {
return this.dataColumn;
}
/**
* Gets the values as a map
*
* @return the values.
*/
public Map getValues() {
return this.values;
}
/**
* {@inheritDoc}
*
* Gets the categories.
*/
@Override
public List getCategories() {
return (this.categories == null)
? Collections.EMPTY_LIST
: this.categories;
}
/**
* Sets the categories.
*
* @param categories the categories.
*/
public void setCategories(List categories) {
this.categories = categories;
}
}