package org.paneris.bibliomania.fti;

 import org.melati.poem.transaction.ToTidyList;

 import com.sleepycat.db.DatabaseException;

 import com.sleepycat.db.Cursor;

 import com.sleepycat.db.DatabaseEntry;

 import com.sleepycat.db.OperationStatus;

 import com.sleepycat.db.internal.DbConstants;

 public class IndexCursor implements ToTidyList.Closeable {

   private final Cursor texts;

   private final DatabaseEntry word_text;

   private final DatabaseEntry occurrencesData;

   //private int wordID = -1;

   IndexCursor(IndexOther index) throws DatabaseException {

     texts = index.occurrencesOfWordInText.openCursor(null, null);

     word_text = DbUtils.userMemDatabaseEntry(IndexOther.wtBytesLength);

     occurrencesData = DbUtils.userMemDatabaseEntry(500);

   }

   public boolean next() {

     return DbUtils.get(texts, word_text, occurrencesData, DbConstants.DB_NEXT, 500) == OperationStatus.SUCCESS;

   }

   public long textID() {

     return IndexOther.getWT_textID(word_text.getData());

   }

   public int wordID() {

     return IndexOther.getWT_wordID(word_text.getData());

   }

   public void close() {

     try {

       texts.close();

     }

     catch (Exception e) {}

   }

 }