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doctrine-dbal
Commit 78b849e7 authored by zYne's avatar zYne
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Removed old transaction

parent fe882581
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lib/Doctrine/Connection/Transaction.php deleted 100644 → 0
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<?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>.
*/
/**
* Doctrine_Connection_Transaction
*
* @package Doctrine
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision$
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
class Doctrine_Connection_Transaction implements Countable, IteratorAggregate {
/**
* Doctrine_Connection_Transaction is in open state when it is opened and there are no active transactions
*/
const STATE_OPEN = 0;
/**
* Doctrine_Connection_Transaction is in closed state when it is closed
*/
const STATE_CLOSED = 1;
/**
* Doctrine_Connection_Transaction is in active state when it has one active transaction
*/
const STATE_ACTIVE = 2;
/**
* Doctrine_Connection_Transaction is in busy state when it has multiple active transactions
*/
const STATE_BUSY = 3;
/**
* @var Doctrine_Connection $conn the connection object
*/
private $conn;
/**
* @see Doctrine_Connection_Transaction::STATE_* constants
* @var boolean $state the current state of the connection
*/
private $state = 0;
/**
* @var integer $transaction_level the nesting level of transactions, used by transaction methods
*/
private $transaction_level = 0;
/**
* @var array $invalid an array containing all invalid records within this transaction
*/
protected $invalid = array();
/**
* @var array $delete two dimensional pending delete list, the records in
* this list will be deleted when transaction is committed
*/
protected $delete = array();
/**
* the constructor
*
* @param Doctrine_Connection $conn
*/
public function __construct(Doctrine_Connection $conn) {
$this->conn = $conn;
$this->state = Doctrine_Connection_Transaction::STATE_OPEN;
}
/**
* returns the state of this connection
*
* @see Doctrine_Connection_Transaction::STATE_* constants
* @return integer the connection state
*/
public function getState() {
return $this->state;
}
/**
* get the current transaction nesting level
*
* @return integer
*/
public function getTransactionLevel() {
return $this->transaction_level;
}
/**
* beginTransaction
* starts a new transaction
* if the lockmode is long this starts db level transaction
*
* @return void
*/
public function beginTransaction() {
if($this->transaction_level == 0) {
if($this->conn->getAttribute(Doctrine::ATTR_LOCKMODE) == Doctrine::LOCK_PESSIMISTIC) {
$this->conn->getAttribute(Doctrine::ATTR_LISTENER)->onPreTransactionBegin($this->conn);
$this->conn->getDBH()->beginTransaction();
$this->conn->getAttribute(Doctrine::ATTR_LISTENER)->onTransactionBegin($this->conn);
}
$this->state = Doctrine_Connection_Transaction::STATE_ACTIVE;
} else {
$this->state = Doctrine_Connection_Transaction::STATE_BUSY;
}
$this->transaction_level++;
}
/**
* commits the current transaction
* if lockmode is short this method starts a transaction
* and commits it instantly
*
* @throws Doctrine_Connection_Transaction_Exception if the transaction fails at PDO level
* @throws Doctrine_Validator_Exception if the transaction fails due to record validations
* @return void
*/
public function commit() {
$this->transaction_level--;
if($this->transaction_level == 0) {
$this->conn->getAttribute(Doctrine::ATTR_LISTENER)->onPreTransactionCommit($this->conn);
if($this->conn->getAttribute(Doctrine::ATTR_LOCKMODE) == Doctrine::LOCK_OPTIMISTIC) {
$this->conn->getAttribute(Doctrine::ATTR_LISTENER)->onPreTransactionBegin($this->conn);
$this->conn->getDBH()->beginTransaction();
$this->conn->getAttribute(Doctrine::ATTR_LISTENER)->onTransactionBegin($this->conn);
}
try {
$this->bulkDelete();
} catch(Exception $e) {
$this->rollback();
throw new Doctrine_Connection_Transaction_Exception($e->__toString());
}
if(count($this->invalid) > 0) {
$this->rollback();
$tmp = $this->invalid;
$this->invalid = array();
throw new Doctrine_Validator_Exception($tmp);
}
$this->conn->getDBH()->commit();
$this->conn->getAttribute(Doctrine::ATTR_LISTENER)->onTransactionCommit($this->conn);
$this->state = Doctrine_Connection_Transaction::STATE_OPEN;
$this->invalid = array();
} elseif($this->transaction_level == 1)
$this->state = Doctrine_Connection_Transaction::STATE_ACTIVE;
}
/**
* rollback
* rolls back all transactions
*
* this method also listens to onPreTransactionRollback and onTransactionRollback
* eventlisteners
*
* @return void
*/
public function rollback() {
$this->conn->getAttribute(Doctrine::ATTR_LISTENER)->onPreTransactionRollback($this->conn);
$this->delete = array();
$this->insert = array();
$this->update = array();
$this->transaction_level = 0;
$this->conn->getDBH()->rollback();
$this->state = Doctrine_Connection_Transaction::STATE_OPEN;
$this->conn->getAttribute(Doctrine::ATTR_LISTENER)->onTransactionRollback($this->conn);
}
/**
* bulkDelete
* deletes all records from the pending delete list
*
* @return void
*/
public function bulkDelete() {
foreach($this->delete as $name => $deletes) {
$record = false;
$ids = array();
foreach($deletes as $k => $record) {
$ids[] = $record->getIncremented();
$record->assignIdentifier(false);
}
if($record instanceof Doctrine_Record) {
$params = substr(str_repeat("?, ",count($ids)),0,-2);
$query = 'DELETE FROM '
. $record->getTable()->getTableName()
. ' WHERE '
. $record->getTable()->getIdentifier()
. ' IN(' . $params . ')';
$this->conn->execute($query, $ids);
}
}
$this->delete = array();
}
/**
* updates the given record
*
* @param Doctrine_Record $record
* @return boolean
*/
public function update(Doctrine_Record $record) {
$record->getTable()->getAttribute(Doctrine::ATTR_LISTENER)->onPreUpdate($record);
$array = $record->getPrepared();
if(empty($array))
return false;
$set = array();
foreach($array as $name => $value):
$set[] = $name." = ?";
if($value instanceof Doctrine_Record) {
switch($value->getState()):
case Doctrine_Record::STATE_TCLEAN:
case Doctrine_Record::STATE_TDIRTY:
$record->save();
default:
$array[$name] = $value->getIncremented();
$record->set($name, $value->getIncremented());
endswitch;
}
endforeach;
$params = array_values($array);
$id = $record->obtainIdentifier();
if( ! is_array($id))
$id = array($id);
$id = array_values($id);
$params = array_merge($params, $id);
$sql = "UPDATE ".$record->getTable()->getTableName()." SET ".implode(", ",$set)." WHERE ".implode(" = ? AND ",$record->getTable()->getPrimaryKeys())." = ?";
$stmt = $this->conn->getDBH()->prepare($sql);
$stmt->execute($params);
$record->assignIdentifier(true);
$record->getTable()->getAttribute(Doctrine::ATTR_LISTENER)->onUpdate($record);
return true;
}
/**
* inserts a record into database
*
* @param Doctrine_Record $record record to be inserted
* @return boolean
*/
public function insert(Doctrine_Record $record) {
// listen the onPreInsert event
$record->getTable()->getAttribute(Doctrine::ATTR_LISTENER)->onPreInsert($record);
$array = $record->getPrepared();
if(empty($array))
return false;
$table = $record->getTable();
$keys = $table->getPrimaryKeys();
$seq = $record->getTable()->getSequenceName();
if( ! empty($seq)) {
$id = $this->nextId($seq);
$name = $record->getTable()->getIdentifier();
$array[$name] = $id;
}
$this->conn->insert($table->getTableName(), $array);
if(count($keys) == 1 && $keys[0] == $table->getIdentifier()) {
$id = $this->conn->getDBH()->lastInsertID();
if( ! $id)
$id = $table->getMaxIdentifier();
$record->assignIdentifier($id);
} else
$record->assignIdentifier(true);
// listen the onInsert event
$table->getAttribute(Doctrine::ATTR_LISTENER)->onInsert($record);
return true;
}
/**
* adds record into pending delete list
* @param Doctrine_Record $record
*/
public function addDelete(Doctrine_Record $record) {
$name = $record->getTable()->getComponentName();
$this->delete[$name][] = $record;
}
/**
* addInvalid
* adds record into invalid records list
*
* @param Doctrine_Record $record
* @return boolean false if record already existed in invalid records list,
* otherwise true
*/
public function addInvalid(Doctrine_Record $record) {
if(in_array($record, $this->invalid))
return false;
$this->invalid[] = $record;
return true;
}
/**
* returns the pending delete list
*
* @return array
*/
public function getDeletes() {
return $this->delete;
}
public function getIterator() { }
/**
* an alias for getTransactionLevel
*
* @return integer returns the nesting level of this transaction
*/
public function count() {
return $this->transaction_level;
}
}
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