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package gov.nih.nlm.nls.lvg.Flows;
import java.util.*;
import gov.nih.nlm.nls.lvg.Lib.*;
import gov.nih.nlm.nls.lvg.Util.*;
/*****************************************************************************
* This class changes the inflection to simple inflections.
*
* History:
* 

* 
*
* @author NLM NLS Development Team
*
* @see 
* Design Document 
*
* @version    V-2010
****************************************************************************/
public class ToSimpleInflections extends Transformation implements Cloneable
{
    // public methods
    /**
    * Performs the mutation of this flow component.
    *
    * @param   in   a LexItem as the input for this flow component
    * @param   detailsFlag   a boolean flag for processing details information
    * @param   mutateFlag   a boolean flag for processing mutate information
    *
    * @return  Vector - results from this flow component 
    */
    public static Vector Mutate(LexItem in, boolean detailsFlag, 
        boolean mutateFlag)
    {
        // mutate the LexItem
        GetSimpleInflectionsFromSource(in);
        // details & mutate
        String details = null;
        String mutate = null;
        if(detailsFlag == true)
        {
            details = INFO;
        }
        if(mutateFlag == true)
        {
            mutate = in.GetSourceInflection().GetName()
                + GlobalBehavior.GetFieldSeparator()
                + in.GetSourceInflection().GetValue()
                + GlobalBehavior.GetFieldSeparator();
        }
        // update target LexItem
        Vector out = new Vector();
        LexItem temp = UpdateLexItem(in, in.GetSourceTerm(), 
            Flow.SIMPLE_INFLECTIONS, in.GetTargetCategory().GetValue(), 
            in.GetTargetInflection().GetValue(), details, mutate);
        out.addElement(temp);
        return out;
    }
    /**
    * A unit test driver for this flow component.
    */
    public static void main(String[] args)
    {
        String testStr = GetTestStr(args, "AIDS");        // get input String
        // Mutate
        LexItem in = new LexItem(testStr);
        Vector outs = ToSimpleInflections.Mutate(in, true, true);
        PrintResults(in, outs);     // print out results
    }
    public static void GetSimpleInflectionsOnTarget(LexItem in)
    {
        in.SetTargetInflection(GetSimpleInflections(
            in.GetTargetInflection().GetValue()));
    }
    // private method
    private static void GetSimpleInflectionsFromSource(LexItem in)
    {
        in.SetTargetCategory(in.GetSourceCategory().GetValue());
        in.SetTargetInflection(GetSimpleInflections(
            in.GetSourceInflection().GetValue()));
    }
    private static long GetSimpleInflections(long infl)
    {
        long simpleInfl = infl;
        for(int i = Inflection.SIMPLE_BITS+1; i < Inflection.TOTAL_BITS; i++)
        {
            if((infl & BitMaskBase.mask_[i]) == BitMaskBase.mask_[i])
            {
                simpleInfl = Bit.Minus(simpleInfl, BitMaskBase.mask_[i]); 
                simpleInfl = Bit.Add(simpleInfl, Inflection.MapSimpleInfl_[i]); 
            }
        }
        return simpleInfl;
    }
    // data members
    private static final String INFO = "Simple Inflections";
}