src/include/common/filter/LogicalClause.h

00001 /*
00002  * Funambol is a mobile platform developed by Funambol, Inc. 
00003  * Copyright (C) 2003 - 2007 Funambol, Inc.
00004  * 
00005  * This program is free software; you can redistribute it and/or modify it under
00006  * the terms of the GNU Affero General Public License version 3 as published by
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00008  * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
00009  * WORK IN WHICH THE COPYRIGHT IS OWNED BY FUNAMBOL, FUNAMBOL DISCLAIMS THE 
00010  * WARRANTY OF NON INFRINGEMENT  OF THIRD PARTY RIGHTS.
00011  * 
00012  * This program is distributed in the hope that it will be useful, but WITHOUT
00013  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00014  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
00015  * details.
00016  * 
00017  * You should have received a copy of the GNU Affero General Public License 
00018  * along with this program; if not, see http://www.gnu.org/licenses or write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
00020  * MA 02110-1301 USA.
00021  * 
00022  * You can contact Funambol, Inc. headquarters at 643 Bair Island Road, Suite 
00023  * 305, Redwood City, CA 94063, USA, or at email address info@funambol.com.
00024  * 
00025  * The interactive user interfaces in modified source and object code versions
00026  * of this program must display Appropriate Legal Notices, as required under
00027  * Section 5 of the GNU Affero General Public License version 3.
00028  * 
00029  * In accordance with Section 7(b) of the GNU Affero General Public License
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00034  */
00035 #ifndef INCL_LOGICALCLAUSE
00036 #define INCL_LOGICALCLAUSE
00037 
00039 #include "base/util/ArrayList.h"
00040 #include "filter/Clause.h"
00041 
00042 typedef enum {
00043     NOT = 0,
00044     AND = 1,
00045     OR  = 2
00046 } LogicalClauseOperator;
00047 
00048 class LogicalClause : public Clause {
00049 
00050     // ------------------------------------------------------- Private interface
00051 private:
00052 
00053     LogicalClauseOperator op;
00054     ArrayList* operands;
00055 
00056 
00057 
00058     // ----------------------------------------------------- Protected interface
00059 protected:
00060     /*
00061      * LogicalClause constructor
00062      *
00063      */
00064     LogicalClause();
00065 
00066 
00067 
00068     // -------------------------------------------------------- Public interface
00069 public:
00070 
00071     ~LogicalClause();
00072 
00073 
00074     /*
00075      * LogicalClause constructor
00076      *
00077      * @param o the logical operator
00078      * @param ops the operands ArrayList
00079      * @param n how many operands are passed in ops
00080      */
00081     LogicalClause(LogicalClauseOperator o, ArrayList& ops);
00082 
00083     /*
00084      * getOperator
00085      *
00086      */
00087     LogicalClauseOperator getOperator();
00088 
00089 
00090     /*
00091      * setOperator
00092      *
00093      * @param p0
00094      */
00095     void setOperator(LogicalClauseOperator p0);
00096 
00097 
00098     /*
00099      * getOperands
00100      *
00101      */
00102     ArrayList* getOperands();
00103 
00104 
00105     /*
00106      * setOperands
00107      *
00108      * @param ops the operands ArrayList
00109     */
00110     void setOperands(ArrayList& ops);
00111 
00112 
00113     /*
00114      * isUnaryOperator
00115      *
00116      */
00117     BOOL isUnaryOperator();
00118 
00119     /*
00120      * Creates a new instance of this Clause
00121      *
00122      * @return the clone
00123      */
00124     ArrayElement* clone();
00125 
00126 
00127 };
00128 
00129 
00131 #endif

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