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<?php
namespace SMW\SQLStore\ChangeOp;
use InvalidArgumentException;
/**
* @license GNU GPL v2+
* @since 2.4
*
* @author mwjames
*/
class FieldChangeOp {
/**
* @var array
*/
private $changeOp = [];
/**
* @var string
*/
private $type;
/**
* @since 2.4
*
* @param array $changeOp
* @param string|null $type
*/
public function __construct( array $changeOp = [], $type = null ) {
$this->changeOp = $changeOp;
$this->type = $type;
}
/**
* @since 2.4
*
* @param string $key
* @param mixed $value
*/
public function set( $key, $value ) {
$this->changeOp[$key] = $value;
}
/**
* @since 2.4
*
* @param string $key
*
* @return boolean
*/
public function has( $key ) {
return isset( $this->changeOp[$key] ) || array_key_exists( $key, $this->changeOp );
}
/**
* @since 2.4
*
* @param string $key
*
* @return string
* @throws InvalidArgumentException
*/
public function get( $key ) {
if ( $this->has( $key ) ) {
return $this->changeOp[$key];
}
throw new InvalidArgumentException( "{$key} is an unregistered field" );
}
/**
* @since 2.4
*
* @return array
*/
public function getChangeOp() {
return $this->changeOp;
}
/**
* @since 3.0
*/
public function __toString() {
return json_encode( [ $this->type => $this->changeOp ] );
}
}
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