gov.nih.nlm.nls.lvg.Db.CatInflBeginComparator Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of lvg2010dist Show documentation

LVG tools is used by Apache cTAKES.

The newest version!

package gov.nih.nlm.nls.lvg.Db;
import java.util.*;
import gov.nih.nlm.nls.lvg.Lib.*;
/*****************************************************************************
* This class provides methods to compare inflection records by alphabetical
* order, category, and inflection, eui.
*
* History:
* 

* 
*
* @author NLM NLS Development Team
*
* @see        InflectionRecord
*
* @version    V-2010
****************************************************************************/
public class CatInflBeginComparator implements Comparator
{
    /**
    * Compare two object o1 and o2.  Both objects o1 and o2 are 
    * InflectionRecord. 
    *
    * The compare algorithm compare alphabetical order, category, inflection, 
    * eui
    *
    * @param  o1  first object to be compared
    * @param  o2  second object to be compared
    *
    * @return  a negative integer, 0, or positive integer to represent the
    *          object o1 is less, equals, or greater than object 02.
    */
    public int compare(T o1, T o2)
    {
        // compare alphabetical order
        String s1 = (((InflectionRecord)o1).GetInflectedTerm()).toLowerCase();
        String s2 = (((InflectionRecord)o2).GetInflectedTerm()).toLowerCase();
        if(s1.equalsIgnoreCase(s2) == false)
        {
            return s1.compareTo(s2);
        }
        // compare category
        int c1 = ((InflectionRecord) o1).GetCategory();
        int c2 = ((InflectionRecord) o2).GetCategory();
        if(c1 != c2)        // different category
        {
            return (c1-c2);
        }
        // compare infelction
        long i1 = ((InflectionRecord) o1).GetInflection();
        long i2 = ((InflectionRecord) o2).GetInflection();
        if(i1 > i2)
        {
            return 1;
        }
        else if(i1 < i2)
        {
            return -1;
        }
        // compare eui
        String e1 = ((InflectionRecord)o1).GetEui();
        String e2 = ((InflectionRecord)o2).GetEui();
        return e1.compareTo(e2);
    }
}