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<?php
namespace LeanCloud\Operation;
use LeanCloud\Client;
/**
* Set operation
*
* Set field to value
*/
class SetOperation implements IOperation {
/**
* The key of field the operation is about to apply
*
* @var string
*/
private $key;
/**
* The value of operation
*
* @var mixed
*/
private $value;
/**
* Initialize operation
*
* @param string $key
* @param mixed $val
*/
public function __construct($key, $val) {
$this->key = $key;
$this->value = $val;
}
/**
* Get key of field the operation applies to
*
* @return string
*/
public function getKey() {
return $this->key;
}
/**
* Get value of operation
*
* @return mixed
*/
public function getValue() {
return $this->value;
}
/**
* Encode to JSON represented operation
*
* @return array
*/
public function encode() {
return Client::encode($this->value);
}
/**
* Apply operation on old value and returns new one
*
* @param mixed $oldval
* @return mixed
*/
public function applyOn($oldval) {
return $this->value;
}
/**
* Merge this operation with (previous) operation
*
* @param IOperation $prevOp
* @return IOperation
*/
public function mergeWith($prevOp) {
return $this;
}
}