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/**********************************************************************************
 * Copyright (c) 2011, Monnet Project
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Monnet Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE MONNET PROJECT BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package eu.monnetproject.translation.sqlpt;

import eu.monnetproject.lang.Language;
import eu.monnetproject.translation.PhraseTable;
import eu.monnetproject.translation.PhraseTableEntry;
import java.util.TreeSet;

/**
 *
 * @author John McCrae, Tobias Wunner
 */
public class PhraseTableTreeSetImpl extends TreeSet implements PhraseTable {

    private final Language foreignLanguage, translationLanguage;
    private final String name;
    private int longestForeignPhrase;

    public PhraseTableTreeSetImpl(Language foreignLanguage, Language translationLanguage, String name) {
        this.foreignLanguage = foreignLanguage;
        this.translationLanguage = translationLanguage;
        this.name = name;
        this.longestForeignPhrase = -1;
    }
    
    public PhraseTableTreeSetImpl(Language foreignLanguage, Language translationLanguage, String name, int longestForeignPhrase) {
        this.foreignLanguage = foreignLanguage;
        this.translationLanguage = translationLanguage;
        this.name = name;
        this.longestForeignPhrase = longestForeignPhrase;
    }
 
    public PhraseTableTreeSetImpl(Language foreignLanguage, Language translationLanguage, String name, PhraseTableEntry phraseTableEntry) {
        this.foreignLanguage = foreignLanguage;
        this.translationLanguage = translationLanguage;
        this.name = name;
        super.add(phraseTableEntry); 
    }

    @Override
    public Language getForeignLanguage() {
        return foreignLanguage;
    }

    @Override
    public Language getTranslationLanguage() {
        return translationLanguage;
    }

    @Override
    public String getName() {
        return name;
    }

    @Override
    public int getLongestForeignPhrase() {
        if(longestForeignPhrase < 0) {
            for(PhraseTableEntry pte : this) {
                final int l = pte.getForeign().asString().split("\\s+").length;
                if(l > longestForeignPhrase) {
                    longestForeignPhrase = l;
                }
            }
        }
        return longestForeignPhrase;
    }
    
    public void addAll(PhraseTable pt) { 
        for (PhraseTableEntry phraseTableEntry : pt) {
            super.add(phraseTableEntry);
        }
    }

/*
    public double getScore(PhraseTableEntry entry) {
      double totalscore = 0;
      for(Feature feat:entry.getFeatures())
        totalscore=totalscore+feat.score;
      return totalscore;
    }

    public double getScore(PhraseTable pt) {
      double totalscore = 0;
      for(Object o:pt) {
        PhraseTableEntry entry = (PhraseTableEntry)o;
        totalscore=totalscore+getScore(entry);
      }
      return totalscore;
    }
*/

/*
    @Override
    public int compareTo(PhraseTable pt2) {
      double diff = getScore(this)-getScore(pt2);
      if (diff>0)
        return 1;
      else if (diff==0)
        return 0;
      else if (diff<0)
        return -1;
      else
      return -1; 
    }
*/


/*
    @Override
    public int compareTo(PhraseTable pt2) {
      double diff = getScore(this)-getScore(pt2);
      if (diff>0)
        return 1;
      else if (diff==0)
        return 0;
      else if (diff<0)
        return -1;
      else
      return -1; 
    }
*/

}