# LogicalBetween.class.php

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    00001 <?php
    00002 /****************************************************************************
    00003  *   Copyright (C) 2004-2007 by Konstantin V. Arkhipov, Anton E. Lebedevich *
    00004  *                                                                          *
    00005  *   This program is free software; you can redistribute it and/or modify   *
    00006  *   it under the terms of the GNU Lesser General Public License as         *
    00007  *   published by the Free Software Foundation; either version 3 of the     *
    00008  *   License, or (at your option) any later version.                        *
    00009  *                                                                          *
    00010  ****************************************************************************/
    00011
    00017     final class LogicalBetween implements LogicalObject, MappableObject
    00018     {
    00019         private $field  = null;
    00020         private $left   = null;
    00021         private $right  = null;
    00022
    00023         public function __construct($field, $left, $right)
    00024         {
    00025             $this->left     = $left;
    00026             $this->right    = $right;
    00027             $this->field    = $field;
    00028         }
    00029
    00030         public function toDialectString(Dialect $dialect)
    00031         {
    00032             return
    00033                 '('
    00034                 .$dialect->toFieldString($this->field)
    00035                 .' BETWEEN '
    00036                 .$dialect->toValueString($this->left)
    00037                 .' AND '
    00038                 .$dialect->toValueString($this->right)
    00039                 .')';
    00040         }
    00041
    00045         public function toMapped(ProtoDAO $dao, JoinCapableQuery $query)
    00046         {
    00047             return new self(
    00048                 $dao->guessAtom($this->field, $query),
    00049                 $dao->guessAtom($this->left, $query),
    00050                 $dao->guessAtom($this->right, $query)
    00051             );
    00052         }
    00053
    00054         public function toBoolean(Form $form)
    00055         {
    00056             $left   = $form->toFormValue($this->left);
    00057             $right  = $form->toFormValue($this->right);
    00058             $value  = $form->toFormValue($this->field);
    00059
    00060             return ($left   <= $value)
    00061                 && ($value  <= $right);
    00062         }
    00063     }
    00064 ?>