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doctrine2/Doctrine.php
2006-09-20 09:21:57 +00:00

523 lines
14 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
*/
require_once("Doctrine/Exception.php");
/**
* Doctrine
* the base class of Doctrine framework
*
* @package Doctrine
* @author Konsta Vesterinen
* @license LGPL
*/
final class Doctrine {
/**
* ERROR MODE CONSTANTS
*/
/**
* NO PRIMARY KEY COLUMN ERROR
* no primary key column found error code
*/
const ERR_NO_PK = 0;
/**
* PRIMARY KEY MISMATCH ERROR
* this error code is used when user uses factory refresh for a
* given Doctrine_Record and the old primary key doesn't match the new one
*/
const ERR_REFRESH = 1;
/**
* FIND ERROR
* this code used when for example Doctrine_Table::find() is called and
* a Data Access Object is not found
*/
const ERR_FIND = 2;
/**
* TABLE NOT FOUND ERROR
* this error code is used when user tries to initialize
* a table and there is no database table for this factory
*/
const ERR_NOSUCH_TABLE = 3;
/**
* NAMING ERROR
* this code is used when user defined Doctrine_Table is badly named
*/
const ERR_NAMING = 5;
/**
* TABLE INSTANCE ERROR
* this code is used when user tries to initialize
* a table that is already initialized
*/
const ERR_TABLE_INSTANCE = 6;
/**
* NO OPEN SESSIONS ERROR
* error code which is used when user tries to get
* current session are there are no sessions open
*/
const ERR_NO_SESSIONS = 7;
/**
* MAPPING ERROR
* if there is something wrong with mapping logic
* this error code is used
*/
const ERR_MAPPING = 8;
/**
* ATTRIBUTE CONSTANTS
*/
/**
* event listener attribute
*/
const ATTR_LISTENER = 1;
/**
* fetchmode attribute
*/
const ATTR_FETCHMODE = 2;
/**
* cache directory attribute
*/
const ATTR_CACHE_DIR = 3;
/**
* cache time to live attribute
*/
const ATTR_CACHE_TTL = 4;
/**
* cache size attribute
*/
const ATTR_CACHE_SIZE = 5;
/**
* cache slam defense probability
*/
const ATTR_CACHE_SLAM = 6;
/**
* cache container attribute
*/
const ATTR_CACHE = 7;
/**
* batch size attribute
*/
const ATTR_BATCH_SIZE = 8;
/**
* primary key columns attribute
*/
const ATTR_PK_COLUMNS = 9;
/**
* primary key type attribute
*/
const ATTR_PK_TYPE = 10;
/**
* locking attribute
*/
const ATTR_LOCKMODE = 11;
/**
* validatate attribute
*/
const ATTR_VLD = 12;
/**
* name prefix attribute
*/
const ATTR_NAME_PREFIX = 13;
/**
* create tables attribute
*/
const ATTR_CREATE_TABLES = 14;
/**
* collection key attribute
*/
const ATTR_COLL_KEY = 15;
/**
* collection limit attribute
*/
const ATTR_COLL_LIMIT = 16;
/**
* query limit
*/
const ATTR_QUERY_LIMIT = 17;
/**
* LIMIT CONSTANTS
*/
/**
* constant for row limiting
*/
const LIMIT_ROWS = 1;
/**
* constant for record limiting
*/
const LIMIT_RECORDS = 2;
/**
* CACHE CONSTANTS
*/
/**
* sqlite cache constant
*/
const CACHE_SQLITE = 0;
/**
* constant for disabling the caching
*/
const CACHE_NONE = 1;
/**
* FETCHMODE CONSTANTS
*/
/**
* IMMEDIATE FETCHING
* mode for immediate fetching
*/
const FETCH_IMMEDIATE = 0;
/**
* BATCH FETCHING
* mode for batch fetching
*/
const FETCH_BATCH = 1;
/**
* LAZY FETCHING
* mode for lazy fetching
*/
const FETCH_LAZY = 2;
/**
* LAZY FETCHING
* mode for offset fetching
*/
const FETCH_OFFSET = 3;
/**
* LAZY OFFSET FETCHING
* mode for lazy offset fetching
*/
const FETCH_LAZY_OFFSET = 4;
/**
* FETCH CONSTANTS
*/
/**
* FETCH VALUEHOLDER
*/
const FETCH_VHOLDER = 1;
/**
* FETCH RECORD
*
* Specifies that the fetch method shall return Doctrine_Record
* objects as the elements of the result set.
*
* This is the default fetchmode.
*/
const FETCH_RECORD = 2;
/**
* FETCH ARRAY
*/
const FETCH_ARRAY = 3;
/**
* FETCH COLUMN
* Specifies that the fetch method shall return only a single
* requested column from the next row in the result set.
*
*/
const FETCH_COLUMN = 4;
/**
* FETCH ASSOC
*
* Specifies that the fetch method shall return each row as an
* array indexed by column name as returned in the corresponding
* result set. If the result set contains multiple columns with
* the same name, PDO::FETCH_ASSOC returns only a single value per column name.
*
*/
const FETCH_ASSOC = 5;
/**
* FETCH NAMED
*
* Specifies that the fetch method shall return each row as an array indexed
* by column name as returned in the corresponding result set. If the result set
* contains multiple columns with the same name, PDO::FETCH_NAMED returns an
* array of values per column name.
*
*/
const FETCH_NAMED = 6;
/**
* FETCH NUM
*
* Specifies that the fetch method shall return each row as an array indexed by
* column number as returned in the corresponding result set, starting at column 0.
*/
const FETCH_NUM = 7;
/**
* FETCH BOTH
*
* Specifies that the fetch method shall return each row as an array indexed by both
* column name and number as returned in the corresponding result set, starting at column 0.
*/
const FETCH_BOTH = 8;
/**
* FETCH OBJ
*
* Specifies that the fetch method shall return each row as an object with property names
* that correspond to the column names returned in the result set.
*/
const FETCH_OBJ = 9;
/**
* LOCKMODE CONSTANTS
*/
/**
* mode for optimistic locking
*/
const LOCK_OPTIMISTIC = 0;
/**
* mode for pessimistic locking
*/
const LOCK_PESSIMISTIC = 1;
/**
* PRIMARY KEY TYPE CONSTANTS
*/
/**
* auto-incremented/(sequence updated) primary key
*/
const INCREMENT_KEY = 0;
/**
* unique key
*/
const UNIQUE_KEY = 1;
/**
* constructor
*/
public function __construct() {
throw new Doctrine_Exception('Doctrine is static class. No instances can be created.');
}
/**
* @var string $path doctrine root directory
*/
private static $path;
/**
* returns the doctrine root
*
* @return string
*/
public static function getPath() {
if(! self::$path)
self::$path = dirname(__FILE__);
return self::$path;
}
/**
* loads all runtime classes
*
* @return void
*/
public static function loadAll() {
if(! self::$path)
self::$path = dirname(__FILE__);
$path = self::$path.DIRECTORY_SEPARATOR."Doctrine";
$dir = dir($path);
$a = array();
while (false !== ($entry = $dir->read())) {
switch($entry):
case ".":
case "..":
break;
case "Cache":
case "Record":
case "Collection":
case "Table":
case "Validator":
case "Exception":
case "EventListener":
case "Session":
case "DQL":
case "Sensei":
case "Iterator":
case "View":
case "Query":
$a[] = $path.DIRECTORY_SEPARATOR.$entry;
break;
default:
if(is_file($path.DIRECTORY_SEPARATOR.$entry) && substr($entry,-4) == ".php") {
require_once($path.DIRECTORY_SEPARATOR.$entry);
}
endswitch;
}
foreach($a as $dirname) {
$dir = dir($dirname);
$path = $dirname.DIRECTORY_SEPARATOR;
while (false !== ($entry = $dir->read())) {
if(is_file($path.$entry) && substr($entry,-4) == ".php") {
require_once($path.$entry);
}
}
}
}
/**
* method for making a single file of most used doctrine runtime components
* including the compiled file instead of multiple files (in worst
* cases dozens of files) can improve performance by an order of magnitude
*
* @throws Doctrine_Exception
* @return void
*/
public static function compile() {
if(! self::$path)
self::$path = dirname(__FILE__);
$classes = array("Doctrine",
"Configurable",
"Manager",
"Session",
"Table",
"Iterator",
"Exception",
"Access",
"Null",
"Record",
"Record_Iterator",
"Collection",
"Validator",
"Hydrate",
"Query",
"Query_Part",
"Query_From",
"Query_Orderby",
"Query_Groupby",
"Query_Condition",
"Query_Where",
"Query_Having",
"RawSql",
"EventListener_Interface",
"EventListener",
"Relation",
"ForeignKey",
"LocalKey",
"Association",
"DB",
"DBStatement");
$ret = array();
foreach($classes as $class) {
if($class !== 'Doctrine')
$class = 'Doctrine_'.$class;
$file = self::$path.DIRECTORY_SEPARATOR.str_replace("_",DIRECTORY_SEPARATOR,$class).".php";
if( ! file_exists($file))
throw new Doctrine_Exception("Couldn't compile $file. File $file does not exists.");
self::autoload($class);
$refl = new ReflectionClass ( $class );
$lines = file( $file );
$start = $refl -> getStartLine() - 1;
$end = $refl -> getEndLine();
$ret = array_merge($ret,
array_slice($lines,
$start,
($end - $start)));
}
$file = self::$path.DIRECTORY_SEPARATOR.'Doctrine.compiled.php';
if (!is_writable($file))
throw new Doctrine_Exception("Couldn't write compiled data. $file is not writable");
// first write the 'compiled' data to a text file, so
// that we can use php_strip_whitespace (which only works on files)
$fp = fopen($file, 'w');
if ($fp === false)
throw new Doctrine_Exception("Couldn't write compiled data. Failed to open $file");
fwrite($fp, "<?php".
" class InvalidKeyException extends Exception { }".
" class DQLException extends Exception { }".
implode('', $ret)
);
fclose($fp);
$stripped = php_strip_whitespace( $file );
$fp = fopen($file, 'w');
if ($fp === false)
throw new Doctrine_Exception("Couldn't write compiled data. Failed to open $file");
fwrite($fp, $stripped);
fclose($fp);
}
/**
* simple autoload function
* returns true if the class was loaded, otherwise false
*
* @param string $classname
* @return boolean
*/
public static function autoload($classname) {
if(! self::$path)
self::$path = dirname(__FILE__);
if(class_exists($classname))
return false;
$class = self::$path.DIRECTORY_SEPARATOR.str_replace("_",DIRECTORY_SEPARATOR,$classname).".php";
if( ! file_exists($class))
return false;
require_once($class);
return true;
}
/**
* returns table name from class name
*
* @param string $classname
* @return string
*/
public static function tableize($classname) {
return strtolower(preg_replace('~(?<=\\w)([A-Z])~', '_$1', $classname));
}
/**
* returns class name from table name
*
* @param string $tablename
* @return string
*/
public static function classify($tablename) {
return preg_replace('~(_?)(_)([\w])~e', '"$1".strtoupper("$3")', ucfirst($tablename));
}
}
?>