001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019/**
020 * Implements the CFML Function arrayavg
021 */
022package lucee.runtime.functions.query;
023
024import lucee.runtime.PageContext;
025import lucee.runtime.exp.FunctionException;
026import lucee.runtime.exp.PageException;
027import lucee.runtime.functions.BIF;
028import lucee.runtime.functions.closure.Each;
029import lucee.runtime.op.Caster;
030import lucee.runtime.type.Query;
031import lucee.runtime.type.UDF;
032
033
034public final class QueryEach extends BIF {
035
036        private static final long serialVersionUID = 3004432895753378644L;
037
038        public static String call(PageContext pc , Query qry, UDF udf) throws PageException {
039                return _call(pc, qry, udf, false, 20);
040        }
041        public static String call(PageContext pc , Query qry, UDF udf, boolean parallel) throws PageException {
042                return _call(pc, qry, udf, parallel, 20);
043        }
044
045        public static String call(PageContext pc , Query qry, UDF udf, boolean parallel, double maxThreads) throws PageException {
046                return _call(pc, qry, udf, parallel, (int)maxThreads);
047        }
048        private static String _call(PageContext pc , Query qry, UDF udf, boolean parallel, int maxThreads) throws PageException {
049                return Each.call(pc, qry, udf, parallel, maxThreads);
050        }
051
052
053        @Override
054        public Object invoke(PageContext pc, Object[] args) throws PageException {
055                
056                if(args.length==2)
057                        return call(pc, Caster.toQuery(args[0]), Caster.toFunction(args[1]));
058                if(args.length==3)
059                        return call(pc, Caster.toQuery(args[0]), Caster.toFunction(args[1]), Caster.toBooleanValue(args[2]));
060                if(args.length==4)
061                        return call(pc, Caster.toQuery(args[0]), Caster.toFunction(args[1]), Caster.toBooleanValue(args[2]), Caster.toDoubleValue(args[3]));
062                
063                throw new FunctionException(pc, "QueryEach", 2, 4, args.length);
064        }
065}