class.arJoinCollection.php

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<?php
require_once(dirname(__FILE__) . '/../Statement/class.arStatementCollection.php');
require_once('class.arJoin.php');

class arJoinCollection extends arStatementCollection {

        protected $table_names = array();


        public function getSaveTableName(arJoin $statement) {
                $table_name = $statement->getTableName();
                if (in_array($table_name, $this->table_names)) {
                        $vals = array_count_values($this->table_names);
                        $next = $vals[$table_name] + 1;
                        $statement->setFullNames(true);
                        $statement->setIsMapped(true);

                        return $table_name . '_' . $next;
                } else {
                        return $table_name;
                }
        }


        public function add(arStatement $statement) {
                $statement->setTableNameAs($this->getSaveTableName($statement));
                $this->table_names[] = $statement->getTableName();
                parent::add($statement);
        }


        public function asSQLStatement() {
                $return = '';
                if ($this->hasStatements()) {
                        foreach ($this->getJoins() as $join) {
                                $return .= $join->asSQLStatement($this->getAr());
                        }
                }

                return $return;
        }


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

?>