Class

NSMetadataQueryAttributeValueTuple

The NSMetadataQueryAttributeValueTuple class represents attribute-value tuples, which are objects that contain the attribute name and value of a metadata attribute.

Overview

Attribute-value tuples are returned by NSMetadataQuery objects as the results in the value lists. Each attribute/value tuple contains the attribute name, the value, and the number of instances of that value that exist for the attribute name.

Topics

Getting Query Attribute/Value Information

var attribute: String

The attribute name for the tuple’s value.

var count: Int

The number of instances of the value for the tuple’s attribute.

var value: Any?

The value of the tuple’s attribute.

Relationships

Inherits From

Conforms To

See Also

Getting Query Results

var results: [Any]

An array containing the query’s results.

var resultCount: Int

The number of results returned by the query. (read-only)

func result(at: Int)

Returns the query result at a specific index.

func index(ofResult: Any)

Returns the index of a query result object in the receiver’s results array.

var groupedResults: [NSMetadataQueryResultGroup]

An array containing hierarchical groups of query results. (read-only)

class NSMetadataQueryResultGroup

The NSMetadataQueryResultGroup class represents a collection of grouped attribute results returned by an NSMetadataQuery object.

func enumerateResults((Any, Int, UnsafeMutablePointer<ObjCBool>) -> Void)

Enumerates the current set of results using the given block.

var valueLists: [String : [NSMetadataQueryAttributeValueTuple]]

A dictionary containing the value lists generated by the query.

func value(ofAttribute: String, forResultAt: Int)

Returns the value for the attribute name attrName at the index in the results specified by idx.

func enableUpdates()

Enables updates to the query results.

func disableUpdates()

Disables updates to the query results.

var operationQueue: OperationQueue?

The queue on which query result notifications are posted.