/**
* DOCUMENT ME!
*
* @param ret
* @param fieldNames
* @param types
* @throws ReadDriverException TODO
*/
public OrderedDataSource(OperationDataSource ret, String[] fieldNames, int[] types)
throws ReadDriverException {
this.dataSource = ret;
fieldIndexes = new int[fieldNames.length];
for (int i = 0; i < fieldNames.length; i++) {
fieldIndexes[i] = dataSource.getFieldIndexByName(fieldNames[i]);
}
orders = new int[types.length];
for (int i = 0; i < types.length; i++) {
orders[i] = (types[i] == SelectAdapter.ORDER_ASC) ? 1 : -1;
}
}
/** @see com.hardcode.gdbms.engine.data.DataSource#getFieldIndexByName(java.lang.String) */
public int getFieldIndexByName(String fieldName) throws ReadDriverException {
return dataSource.getFieldIndexByName(fieldName);
}
