OW2 Consortium telosys

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13 lguerin 1 
package org.objectweb.telosys.common.data;
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/**
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 * DataSet with update capabilities
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 *
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 * @author Laurent GUERIN
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 *
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 */
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public abstract class UpdatableDataSet extends DataSet
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{
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    //-----------------------------------------------------------------------------
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    //--- PRIVATE ATTRIBUTES
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    //-----------------------------------------------------------------------------
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    /**
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     *
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     */
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    public UpdatableDataSet()
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    {
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        super();
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    }
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    //-----------------------------------------------------------------------------
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    //--- PUBLIC METHODS ( superclass methods with "public" visibility )
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    //-----------------------------------------------------------------------------
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    /**
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     * Replaces the DataRow at the given position by a new one
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     * @param iRow index of row to replace ( 1 to N )
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     * @param dataRow the DataRow to be stored at the specified position
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     * @return the DataRow previously at the specified position
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     */
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    public DataRow replaceRow(int iRow, DataRow dataRow)
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    {
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//        //--- Is the row position valid ?
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//        if (iRow < 1 && iRow > _iRowCount)
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//        {
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//            return false;
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//        }
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//        if ( dr == null )
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//        {
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//            return false;
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//        }
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//        //--- Is the column count compatible with the DataSet ?
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//        if ( dr.getSize() != _iColCount )
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//        {
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//            return false;
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//        }
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//        //--- Set the row at the given position
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//        _vDataRows.set(iRow, dr);
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//        return true;
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        return super.replaceRow(iRow, dataRow);
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    }
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//    /**
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//     * Add a DataRow at the end of the DataSet
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//     * @param dr the DataRow to add
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//     * @return the number of rows in the DataSet with the new DataRow added
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//     */
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//    public int addRow(DataRow dr)
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//    {
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//        _vDataRows.add(dr);
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//        _iRowCount++;
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//        return _iRowCount;
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//    }
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    /**
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     * Add a DataRow at the end of the DataSet
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     * @param dataRow the DataRow to be added
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     * @return
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     */
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    public int addRow(DataRow dataRow)
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    {
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        return super.addRow( dataRow ) ;
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    }
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    /**
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     * Add a new void DataRow at the end of the DataSet
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     * @return the number of rows in the DataSet with the new DataRow added
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     */
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    public int addRow()
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    {
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        //return super.addRow( new DataRow(_iColCount)) ;
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        return super.addRow() ;
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    }
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    //-----------------------------------------------------------------------------
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    /**
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     * Replaces the object at the given position by a new one
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     * @param iRow
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     * @param iCol
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     * @param newObject
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     * @return true is OK, false if the object cannot be replace (ie the DataRow is null)
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     */
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    public boolean replaceObject(int iRow, int iCol, Object newObject)
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    {
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        DataRow dr = getDataRow(iRow);
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        if ( dr == null )
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        {
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            return false ;
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        }
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        dr.setObject(iCol, newObject);
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        return true ;
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    }
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    //-----------------------------------------------------------------------------
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}