/*
* Copyright (C) 2000 - 2008 TagServlet Ltd
*
* This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
*
* OpenBD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Free Software Foundation,version 3.
*
* OpenBD 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBD. If not, see http://www.gnu.org/licenses/
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with any of the JARS listed in the README.txt (or a modified version of
* (that library), containing parts covered by the terms of that JAR, the
* licensors of this Program grant you additional permission to convey the
* resulting work.
* README.txt @ http://www.openbluedragon.org/license/README.txt
*
* http://www.openbluedragon.org/
*/
package com.naryx.tagfusion.cfm.queryofqueries;
/**
* This is a tableSource that only returns rows that meet
* 2 condition criteria
*/
import java.util.List;
import java.util.Map;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfQueryResultData;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
class doubleFilteredTableSource extends tableSource{
condition filter1;
condition filter2;
doubleFilteredTableSource( Map<String, cfQueryResultData> _tables, condition _filter1, condition _filter2, List<cfData> _pData ){
super( _tables, _pData );
filter1 = _filter1;
filter2 = _filter2;
}// filteredTableSource()
/**
* this differs to its parent in that it has to work out if there are
* any rows left post filter
* NOTE: this isn't safe really. calling hasNext() consecutively without
* calling nextRow() would result in a row being missed out!
*/
boolean hasNext() throws cfmRunTimeException{
// calculate next
while ( super.hasNext() ){
super.nextRow();
if ( filter1.evaluate( currentRow, pData ) && filter2.evaluate( currentRow, pData ) ){
return true;
}
}
return false;
}
rowContext nextRow() {
return currentRow;
}// nextRow()
}// doubleFilteredTableSource