Instance Method

value(ofAttribute:forResultAt:)

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

Declaration

func value(ofAttribute attrName: String, forResultAt idx: Int) -> Any?

Parameters

attributeName

The attribute of the result object at index being inquired about. The attribute must be specified in valueListAttributes, as a sorting key in a specified sort descriptor, or as one of the grouping attributes specified set for the query.

index

The index of the desired return object in the query results array.

Return Value

Value for attributeName in the result object at index in the query result array.

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.

class NSMetadataQueryAttributeValueTuple

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

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.