RealmResults<T extends RealmObject> class Null safety Realm

Instances of this class are live collections and will update as new elements are either added to or deleted from the Realm that match the underlying query.

Inheritance
Available Extensions

Properties

changes Stream<RealmResultsChanges<T>>
Allows listening for changes when the contents of this collection changes.
read-only
first → T
Returns the first element.
read-only, inherited
hashCode int
The hash code for this object.
read-only, inherited
isEmpty bool
true if the Results collection is empty.
read-only, override
isNotEmpty bool
Whether this collection has at least one element.
read-only, inherited
iterator Iterator<T>
Returns a new Iterator that allows iterating the elements in this RealmResults.
read-only, override
last → T
Returns the last element.
read-only, inherited
length int
The number of values in this Results collection.
read-only, override
realm Realm
The Realm instance this collection belongs to.
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
single → T
Checks that this iterable has only one element, and returns that element.
read-only, inherited

Methods

any(bool test(T element)) bool
Checks whether any element of this iterable satisfies test.
inherited
cast<R>() Iterable<R>
Provides a view of this iterable as an iterable of R instances.
inherited
contains(Object? element) bool
Whether the collection contains an element equal to element.
inherited
elementAt(int index) → T
Returns the indexth element.
inherited
every(bool test(T element)) bool
Checks whether every element of this iterable satisfies test.
inherited
expand<T>(Iterable<T> toElements(T element)) Iterable<T>
Expands each element of this Iterable into zero or more elements.
inherited
firstWhere(bool test(T element), {T orElse()?}) → T
Returns the first element that satisfies the given predicate test.
inherited
fold<T>(T initialValue, T combine(T previousValue, T element)) → T
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
inherited
followedBy(Iterable<T> other) Iterable<T>
Returns the lazy concatenation of this iterable and other.
inherited
forEach(void action(T element)) → void
Invokes action on each element of this iterable in iteration order.
inherited
join([String separator = ""]) String
Converts each element to a String and concatenates the strings.
inherited
lastWhere(bool test(T element), {T orElse()?}) → T
Returns the last element that satisfies the given predicate test.
inherited
map<T>(T toElement(T e)) Iterable<T>
The current elements of this iterable modified by toElement.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
query(String query, [List<Object> args = const []]) RealmResults<T>
Returns a new RealmResults filtered according to the provided query.
reduce(T combine(T value, T element)) → T
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
inherited
singleWhere(bool test(T element), {T orElse()?}) → T
Returns the single element that satisfies test.
inherited
skip(int count) Iterable<T>
Returns an Iterable that provides all but the first count elements.
inherited
skipWhile(bool test(T value)) Iterable<T>
Returns an Iterable that skips leading elements while test is satisfied.
inherited
take(int count) Iterable<T>
Returns a lazy iterable of the count first elements of this iterable.
inherited
takeWhile(bool test(T value)) Iterable<T>
Returns a lazy iterable of the leading elements satisfying test.
inherited
toList({bool growable = true}) List<T>
Creates a List containing the elements of this Iterable.
inherited
toSet() Set<T>
Creates a Set containing the same elements as this iterable.
inherited
toString() String
Returns a string representation of (some of) the elements of this.
inherited
where(bool test(T element)) Iterable<T>
Returns a new lazy Iterable with all elements that satisfy the predicate test.
inherited
whereType<T>() Iterable<T>
Returns a new lazy Iterable with all elements that have type T.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited
operator [](int index) → T
Returns the element of type T at the specified index.