SortCriterion<T> class

Describes a sorting criterion for use with SearchExtensionMethod.search.

Allows sorting by a field or computed value, in ascending or descending order. Multiple SortCriterions can be combined for multi-level sorting.

Example:

[
  SortCriterion((user) => user.lastName),
  SortCriterion((user) => user.firstName, ascending: false),
]

Constructors

SortCriterion(Comparable selector(T item), {bool ascending = true})
Creates a SortCriterion with the given selector and ascending flag.
const

Properties

ascending → bool
Whether to sort in ascending order (default: true).
final
hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
selector → Comparable Function(T item)
Function that extracts a Comparable value from an item for sorting.
final

Methods

compare(T a, T b) → int
Compares two items a and b according to the selector and order.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited