Interface ColumnHandler

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      java.lang.Object apply​(java.sql.ResultSet rs, int columnIndex)
      Do the work required to retrieve and store a column from ResultSet into something of type propType.
      boolean match​(java.lang.Class<?> propType)
      Test whether this ColumnHandler wants to handle a column targeted for a value type matching propType.
    • Method Detail

      • match

        boolean match​(java.lang.Class<?> propType)
        Test whether this ColumnHandler wants to handle a column targeted for a value type matching propType.
        Parameters:
        propType - The type of the target parameter.
        Returns:
        true is this property handler can/wants to handle this value; false otherwise.
      • apply

        java.lang.Object apply​(java.sql.ResultSet rs,
                               int columnIndex)
                        throws java.sql.SQLException
        Do the work required to retrieve and store a column from ResultSet into something of type propType. This method is called only if this handler responded true after a call to match(Class).
        Parameters:
        rs - The result set to get data from. This should be moved to the correct row already.
        columnIndex - The position of the column to retrieve.
        Returns:
        The converted value or the original value if something doesn't work out.
        Throws:
        java.sql.SQLException - if the columnIndex is not valid; if a database access error occurs or this method is called on a closed result set