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
00030  * version 3, these Appropriate Legal Notices must retain the display of the
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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 #include "base/globalsdef.h"
00042 
00043 BEGIN_NAMESPACE
00044 
00045 typedef enum {
00046     NOT = 0,
00047     AND = 1,
00048     OR  = 2
00049 } LogicalClauseOperator;
00050 
00051 class LogicalClause : public Clause {
00052 
00053     // ------------------------------------------------------- Private interface
00054 private:
00055 
00056     LogicalClauseOperator op;
00057     ArrayList* operands;
00058 
00059 
00060 
00061     // ----------------------------------------------------- Protected interface
00062 protected:
00063     /*
00064      * LogicalClause constructor
00065      *
00066      */
00067     LogicalClause();
00068 
00069 
00070 
00071     // -------------------------------------------------------- Public interface
00072 public:
00073 
00074     ~LogicalClause();
00075 
00076 
00077     /*
00078      * LogicalClause constructor
00079      *
00080      * @param o the logical operator
00081      * @param ops the operands ArrayList
00082      * @param n how many operands are passed in ops
00083      */
00084     LogicalClause(LogicalClauseOperator o, ArrayList& ops);
00085 
00086     /*
00087      * getOperator
00088      *
00089      */
00090     LogicalClauseOperator getOperator();
00091 
00092 
00093     /*
00094      * setOperator
00095      *
00096      * @param p0
00097      */
00098     void setOperator(LogicalClauseOperator p0);
00099 
00100 
00101     /*
00102      * getOperands
00103      *
00104      */
00105     ArrayList* getOperands();
00106 
00107 
00108     /*
00109      * setOperands
00110      *
00111      * @param ops the operands ArrayList
00112     */
00113     void setOperands(ArrayList& ops);
00114 
00115 
00116     /*
00117      * isUnaryOperator
00118      *
00119      */
00120     bool isUnaryOperator();
00121 
00122     /*
00123      * Creates a new instance of this Clause
00124      *
00125      * @return the clone
00126      */
00127     ArrayElement* clone();
00128 
00129 
00130 };
00131 
00132 
00133 
00134 END_NAMESPACE
00135 
00137 #endif

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