# DBSchema.class.php

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    00001 <?php
    00002 /***************************************************************************
    00003  *   Copyright (C) 2006-2007 by Konstantin V. Arkhipov                     *
    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
    00015     final class DBSchema extends QueryIdentification
    00016     {
    00017         private $tables = array();
    00018         private $order  = array();
    00019
    00020         public function getTables()
    00021         {
    00022             return $this->tables;
    00023         }
    00024
    00025         public function getTableNames()
    00026         {
    00027             return $this->order;
    00028         }
    00029
    00034         public function addTable(DBTable $table)
    00035         {
    00036             $name = $table->getName();
    00037
    00038             Assert::isFalse(
    00039                 isset($this->tables[$name]),
    00040                 "table '{$name}' already exist"
    00041             );
    00042
    00043             $this->tables[$table->getName()] = $table;
    00044             $this->order[] = $name;
    00045
    00046             return $this;
    00047         }
    00048
    00053         public function getTableByName($name)
    00054         {
    00055             if (!isset($this->tables[$name]))
    00056                 throw new MissingElementException(
    00057                     "table '{$name}' does not exist"
    00058                 );
    00059
    00060             return $this->tables[$name];
    00061         }
    00062
    00063         public function toDialectString(Dialect $dialect)
    00064         {
    00065             $out = array();
    00066
    00067             foreach ($this->order as $name) {
    00068                 $out[] = $this->tables[$name]->toDialectString($dialect);
    00069             }
    00070
    00071             return implode("\n\n", $out);
    00072         }
    00073     }
    00074 ?>