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package gov.nih.nlm.nls.lvg.Flows;
import java.util.*;
import java.sql.*;
import gov.nih.nlm.nls.lvg.Lib.*;
import gov.nih.nlm.nls.lvg.Db.*;
import gov.nih.nlm.nls.lvg.Trie.*;
/*****************************************************************************
* This class generates fruitful variants with enhanced performance.  
* This flow is identical with generate all fruitful variants except with 
* higher speed.
*
* History:
* 

* 
*
* @author NLM NLS Development Team
*
* @see 
* Design Document 
*
* @version    V-2010
****************************************************************************/
public class ToFruitfulEnhanced 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   conn   LVG database connection
    * @param   trieI  LVG ram trie for inflections
    * @param   trieD  LVG ram trie for derivations
    * @param   detailsFlag   a boolean flag for processing details information
    * @param   mutateFlag   a boolean flag for processing mutate information
    *
    * @return  the results from this flow component - a collection (Vector) 
    * of LexItems
    *
    * @see DbBase
    */
    public static Vector Mutate(LexItem in, Connection conn, 
        RamTrie trieI, RamTrie trieD, boolean detailsFlag, boolean mutateFlag)
        throws SQLException
    {
        // Get fruitful variants from database if it's in Lexicon
        Vector outs = 
            ToFruitfulVariantsDb.Mutate(in, conn, detailsFlag, mutateFlag);
        // Get fruitful variants from generation
        if(outs.size() == 0)
        {
            outs = ToFruitfulVariants.Mutate(in, conn, trieI, trieD, 
                detailsFlag, mutateFlag);
        }
        // update flow component symbols
        for(int i = 0; i < outs.size(); i++)
        {
            LexItem temp = outs.elementAt(i);
            temp.SetFlowHistory(Flow.GetBitName(Flow.FRUITFUL_ENHANCED, 1));
        }
        return outs;
    }
    /**
    * A unit test driver for this flow component.
    */
    public static void main(String[] args)
    {
        // load config file
        Configuration conf = new Configuration("data.config.lvg", true);
        String testStr = GetTestStr(args, "neurological");   // get input String
        int minTermLen = Integer.parseInt(
            conf.GetConfiguration(Configuration.MIN_TERM_LENGTH));
        String lvgDir = conf.GetConfiguration(Configuration.LVG_DIR);
        int minTrieStemLength = Integer.parseInt(
            conf.GetConfiguration(Configuration.DIR_TRIE_STEM_LENGTH));
        // Mutate: connect to DB
        LexItem in = new LexItem(testStr);
        Vector outs = new Vector();
        try
        {
            Connection conn = DbBase.OpenConnection(conf);
            RamTrie trieI = new RamTrie(true, minTermLen, lvgDir, 0);
            RamTrie trieD = 
                new RamTrie(false, minTermLen, lvgDir, minTrieStemLength);
            if(conn != null)
            {
                outs = ToFruitfulEnhanced.Mutate(in, conn, trieI, trieD, 
                    true, true);
            }
            DbBase.CloseConnection(conn, conf);
        }
        catch (Exception e)
        {
            System.err.println(e.getMessage());
        }
        PrintResults(in, outs);     // print out results
    }
    // data members
    private static final String INFO = "Fruitful Variants, Enhanced";
}