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<?php
namespace SMW\SQLStore\ChangeOp;
/**
* @license GNU GPL v2+
* @since 2.4
*
* @author mwjames
*/
class TableChangeOp {
const OP_INSERT = 'insert';
const OP_DELETE = 'delete';
/**
* @var string
*/
private $tableName;
/**
* @var array
*/
private $changeOps;
/**
* @since 2.4
*
* @param string $tableName
* @param array $changeOps
*/
public function __construct( $tableName, array $changeOps ) {
$this->tableName = $tableName;
$this->changeOps = $changeOps;
}
/**
* @since 2.4
*
* @return string
*/
public function getTableName() {
return $this->tableName;
}
/**
* @since 2.4
*
* @return boolean
*/
public function isFixedPropertyOp() {
return isset( $this->changeOps['property'] );
}
/**
* @since 3.0
*
* @param string $field
*
* @return null|string
*/
public function getFixedPropertyValByField( $field ) {
if ( $this->isFixedPropertyOp() && isset( $this->changeOps['property'][$field] ) ) {
return $this->changeOps['property'][$field];
}
return null;
}
/**
* @deprecated since 3.0, use TableChangeOp::getFixedPropertyValByField
* @since 2.4
*
* @param string $field
*
* @return null|string
*/
public function getFixedPropertyValueBy( $field ) {
return $this->getFixedPropertyValByField( $field );
}
/**
* @since 2.4
*
* @param string $opType
*
* @return boolean
*/
public function hasChangeOp( $opType ) {
return isset( $this->changeOps[$opType] );
}
/**
* @since 2.4
*
* @param string|null $opType
* @param array $filter
*
* @return FieldChangeOp[]|[]
*/
public function getFieldChangeOps( $opType = null, $filter = [] ) {
if ( $opType !== null && !$this->hasChangeOp( $opType ) ) {
return [];
}
$fieldOps = [];
$changeOps = $this->changeOps;
if ( $opType !== null ) {
$changeOps = $this->changeOps[$opType];
} elseif ( !isset( $this->changeOps[self::OP_DELETE] ) && !isset( $this->changeOps[self::OP_INSERT] ) ) {
$changeOps = $this->changeOps;
} else {
return array_merge(
$this->getFieldChangeOps( self::OP_DELETE, $filter ),
$this->getFieldChangeOps( self::OP_INSERT, $filter )
);
}
unset( $changeOps['property'] );
foreach ( $changeOps as $changeOp ) {
// Filter defined as: [ 's_id' => [ 42 => true, 1001 => true ] ]
if ( isset( $filter['s_id' ] ) && isset( $changeOp['s_id'] ) && isset( $filter['s_id'][$changeOp['s_id']] ) ) {
continue;
}
if ( isset( $this->changeOps['property'] ) ) {
$changeOp['p_id'] = $this->changeOps['property']['p_id'];
}
$fieldOps[] = new FieldChangeOp( $changeOp, $opType );
}
return $fieldOps;
}
/**
* @since 3.0
*
* @return string
*/
public function __toString() {
return json_encode( $this->toArray() );
}
/**
* @since 3.0
*
* @return array
*/
public function toArray() {
return [ $this->tableName => $this->changeOps ];
}
}
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