Transaction Class Reference

Public Member Functions
	addObject (\Magento\Framework\Model\AbstractModel $object, $alias='')
	addCommitCallback ($callback)
	save ()
	delete ()

Protected Member Functions
	_startTransaction ()
	_commitTransaction ()
	_rollbackTransaction ()
	_runCallbacks ()

Protected Attributes
	$_objects = []
	$_objectsByAlias = []
	$_beforeCommitCallbacks = []

Detailed Description

Todo:

need collect connection by name

Definition at line 13 of file Transaction.php.

Member Function Documentation

_commitTransaction()

_commitTransaction ( )

protected

Commit transaction for all resources

Returns

$this

Definition at line 54 of file Transaction.php.

    {
        foreach ($this->_objects as $object) {
            $object->getResource()->commit();
        }
        return $this;
    }

_rollbackTransaction()

_rollbackTransaction ( )

protected

Rollback transaction

Returns

$this

Definition at line 67 of file Transaction.php.

    {
        foreach ($this->_objects as $object) {
            $object->getResource()->rollBack();
        }
        return $this;
    }

_runCallbacks()

_runCallbacks ( )

protected

Run all configured object callbacks

Returns

$this

Definition at line 80 of file Transaction.php.

    {
        foreach ($this->_beforeCommitCallbacks as $callback) {
            call_user_func($callback);
        }
        return $this;
    }

_startTransaction()

_startTransaction ( )

protected

Begin transaction for all involved object resources

Returns

$this

Definition at line 41 of file Transaction.php.

    {
        foreach ($this->_objects as $object) {
            $object->getResource()->beginTransaction();
        }
        return $this;
    }

addCommitCallback()

addCommitCallback

(

$callback

)

Add callback function which will be called before commit transactions

Parameters

callback

$callback

Returns

$this

Definition at line 110 of file Transaction.php.

    {
        $this->_beforeCommitCallbacks[] = $callback;
        return $this;
    }

addObject()

addObject	(	\Magento\Framework\Model\AbstractModel	$object,
			$alias = ''
	)

Adding object for using in transaction

Parameters

\Magento\Framework\Model\AbstractModel	$object
string	$alias

Returns

$this

Definition at line 95 of file Transaction.php.

    {
        $this->_objects[] = $object;
        if (!empty($alias)) {
            $this->_objectsByAlias[$alias] = $object;
        }
        return $this;
    }

delete()

delete

(

)

Initialize objects delete transaction

Returns

$this

Exceptions

Definition at line 159 of file Transaction.php.

    {
        $this->_startTransaction();
        $error = false;

        try {
            foreach ($this->_objects as $object) {
                $object->delete();
            }
        } catch (\Exception $e) {
            $error = $e;
        }

        if ($error === false) {
            try {
                $this->_runCallbacks();
            } catch (\Exception $e) {
                $error = $e;
            }
        }

        if ($error) {
            $this->_rollbackTransaction();
            throw $error;
        } else {
            $this->_commitTransaction();
        }
        return $this;
    }

save()

save

(

)

Initialize objects save transaction

Returns

$this

Exceptions

Definition at line 122 of file Transaction.php.

    {
        $this->_startTransaction();
        $error = false;

        try {
            foreach ($this->_objects as $object) {
                $object->save();
            }
        } catch (\Exception $e) {
            $error = $e;
        }

        if ($error === false) {
            try {
                $this->_runCallbacks();
            } catch (\Exception $e) {
                $error = $e;
            }
        }

        if ($error) {
            $this->_rollbackTransaction();
            throw $error;
        } else {
            $this->_commitTransaction();
        }

        return $this;
    }

Field Documentation

$_beforeCommitCallbacks

$_beforeCommitCallbacks = []

protected

Definition at line 34 of file Transaction.php.

$_objects

$_objects = []

protected

Definition at line 20 of file Transaction.php.

$_objectsByAlias

$_objectsByAlias = []

protected

Definition at line 27 of file Transaction.php.

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The documentation for this class was generated from the following file:

• vendor/magento/framework/DB/Transaction.php