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Library that provides facilities to allow project information to be manipulated in Java and .Net. Supports a range of data formats: Microsoft Project Exchange (MPX), Microsoft Project (MPP,MPT), Microsoft Project Data Interchange (MSPDI XML), Microsoft Project Database (MPD), Planner (XML), Primavera (PM XML, XER, and database), Asta Powerproject (PP, MDB), Asta Easyplan (PP), Phoenix Project Manager (PPX), FastTrack Schedule (FTS), and the Standard Data Exchange Format (SDEF).

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/*
 * file:       FastTrackTable.java
 * author:     Jon Iles
 * copyright:  (c) Packwood Software 2017
 * date:       14/03/2017
 */

/*
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation; either version 2.1 of the License, or (at your
 * option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

package net.sf.mpxj.fasttrack;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;

import net.sf.mpxj.TimeUnit;

/**
 * Represents a table of data from an FTS file, made up of a set of MapRow instances.
 */
class FastTrackTable implements Iterable
{
   /**
    * Constructor.
    * @param type table type
    * @param data raw data read from the FTS file
    */
   public FastTrackTable(FastTrackTableType type, FastTrackData data)
   {
      m_data = data;
      m_type = type;
   }

   /**
    * Retrieve the type of this table.
    *
    * @return table type
    */
   public FastTrackTableType getType()
   {
      return m_type;
   }

   /**
    * Retrieve the duration time units used in this table.
    *
    * @return duration time units
    */
   public TimeUnit getDurationTimeUnit()
   {
      return m_data.getDurationTimeUnit();
   }

   /**
    * Retrieve the work time units used in this table.
    *
    * @return work time units
    */
   public TimeUnit getWorkTimeUnit()
   {
      return m_data.getWorkTimeUnit();
   }

   /**
    * Add data for a column to this table.
    *
    * @param column column data
    */
   public void addColumn(FastTrackColumn column)
   {
      FastTrackField type = column.getType();
      Object[] data = column.getData();
      for (int index = 0; index < data.length; index++)
      {
         MapRow row = getRow(index);
         row.getMap().put(type, data[index]);
      }
   }

   @Override public Iterator iterator()
   {
      return m_rows.iterator();
   }

   /**
    * Retrieve a specific row by index number, creating a blank row if this row does not exist.
    *
    * @param index index number
    * @return MapRow instance
    */
   private MapRow getRow(int index)
   {
      MapRow result;

      if (index == m_rows.size())
      {
         result = new MapRow(this, new HashMap<>());
         m_rows.add(result);
      }
      else
      {
         result = m_rows.get(index);
      }

      return result;
   }

   private final FastTrackData m_data;
   private final FastTrackTableType m_type;
   private final ArrayList m_rows = new ArrayList<>();
}