class.arStatementCollection.php

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<?php
require_once('class.arStatement.php');

abstract class arStatementCollection {

        protected static $cache = array();
        protected $statements = array();
        protected $ar;


        public function add(arStatement $statement) {
                $this->statements[] = $statement;
        }


        public function hasStatements() {
                return count($this->statements) > 0;
        }


        public static function getInstance(ActiveRecord $ar) {
                $classname = get_called_class();
                $arWhereCollection = new $classname();
                $arWhereCollection->setAr($ar);

                return $arWhereCollection;
        }


        abstract public function asSQLStatement();


        public function setAr($ar) {
                $this->ar = $ar;
        }


        public function getAr() {
                return $this->ar;
        }


        public function setStatements($statements) {
                $this->statements = $statements;
        }


        public function getStatements() {
                return $this->statements;
        }
}

?>