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<?php |
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namespace Gielfeldt\TransactionalPHP; |
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/** |
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* Class Operation |
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* |
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* @package Gielfeldt\TransactionalPHP |
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*/ |
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class Operation |
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{ |
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/** |
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* The index in the buffer, keyed by connection id. |
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* |
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* @var string[] |
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*/ |
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protected $idx; |
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/** |
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* Callback for commit. |
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* |
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* @var callable |
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*/ |
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protected $commit = []; |
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/** |
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* Callback for rollback. |
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* |
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* @var callable |
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*/ |
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protected $rollback = []; |
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/** |
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* Callback for buffer. |
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* |
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* @var callable |
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*/ |
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protected $buffer = []; |
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/** |
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* Value for operation. |
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* |
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* @var mixed |
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*/ |
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protected $value; |
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/** |
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* Result of callback execution. |
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* |
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* @var mixed |
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*/ |
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protected $result; |
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/** |
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* Set commit callback. |
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* |
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* @param callable $callback |
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* The callback when this operation is committed. |
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* |
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* @return $this |
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*/ |
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public function onCommit(callable $callback) |
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{ |
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$this->commit[] = $callback; |
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return $this; |
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} |
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/** |
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* Set rollback callback. |
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* |
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* @param callable $callback |
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* The callback when this operation is rolled back. |
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* |
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* @return $this |
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*/ |
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public function onRollback(callable $callback) |
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{ |
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$this->rollback[] = $callback; |
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return $this; |
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} |
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/** |
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* Set buffer callback. |
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* |
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* @param callable $callback |
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* The callback when this operation is buffered. |
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* |
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* @return $this |
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*/ |
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public function onBuffer(callable $callback) |
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{ |
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$this->buffer[] = $callback; |
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return $this; |
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} |
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/** |
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* Get commit callback. |
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* |
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* @return callable|null |
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*/ |
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public function getCommitCallbacks() |
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{ |
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return $this->commit; |
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} |
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/** |
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* Get rollback callback. |
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* |
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* @return callable|null |
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*/ |
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public function getRollbackCallbacks() |
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{ |
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return $this->rollback; |
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} |
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/** |
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* Get buffer callback. |
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* |
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* @return callable|null |
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*/ |
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public function getBufferCallbacks() |
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{ |
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return $this->buffer; |
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} |
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/** |
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* @param mixed $value |
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* The value to set. |
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* |
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* @return $this |
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*/ |
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public function setValue($value) |
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{ |
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$this->value = $value; |
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return $this; |
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} |
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/** |
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* Get value. |
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* |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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return is_callable($this->value) ? call_user_func($this->value) : $this->value; |
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} |
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/** |
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* Get result from callback. |
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* |
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* @return mixed |
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*/ |
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public function getResult() |
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{ |
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return $this->result; |
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} |
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/** |
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* @param Connection $connection |
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* The connection to use for this id. |
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* @param string $idx |
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* The id. |
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* |
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* @return $this |
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*/ |
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public function setIdx(Connection $connection, $idx) |
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{ |
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$this->idx[$connection->connectionId()] = $idx; |
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return $this; |
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} |
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/** |
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* Get id. |
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* |
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* @param Connection $connection |
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* The connection to get id from. |
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* |
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* @return string|null |
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*/ |
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public function idx(Connection $connection) |
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{ |
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$connectionId = $connection->connectionId(); |
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return isset($this->idx[$connectionId]) ? $this->idx[$connectionId] : null; |
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} |
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/** |
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* Execute commit operation. |
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* |
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* @param Connection $connection |
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* The connection to run this operation on. |
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* |
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* @return mixed |
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*/ |
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public function commit($connection = null) |
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{ |
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foreach ($this->commit as $callback) { |
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$this->result = call_user_func($callback, $this, $connection); |
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} |
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return $this->result; |
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} |
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/** |
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* Execute rollback operation. |
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* |
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* @param Connection $connection |
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* The connection to run this operation on. |
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* |
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* @return mixed |
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*/ |
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public function rollback($connection = null) |
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{ |
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foreach ($this->rollback as $callback) { |
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$this->result = call_user_func($callback, $this, $connection); |
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} |
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return $this->result; |
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} |
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/** |
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* Execute buffer operation. |
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* |
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* @param Connection $connection |
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* The connection to run this operation on. |
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* |
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* @return mixed |
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*/ |
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public function buffer($connection = null) |
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{ |
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foreach ($this->buffer as $callback) { |
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$this->result = call_user_func($callback, $this, $connection); |
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} |
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return $this->result; |
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} |
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} |
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