RealmResults<T extends Object?> class
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
- Mixed-in types
- Available extensions
Properties
-
changes
→ Stream<
RealmResultsChanges< T> > -
Allows listening for changes when the contents of this collection changes.
no setter
- first → T
-
The first element.
no setteroverride
- firstOrNull → T?
-
Available on Iterable<
The first element of this iterator, orT> , provided by the IterableExtensions extensionnull
if the iterable is empty.no setter - hashCode → int
-
The hash code for this object.
no setterinherited
-
indexed
→ Iterable<
(int, T)> -
Available on Iterable<
Pairs of elements of the indices and elements of this iterable.T> , provided by the IterableExtensions extensionno setter - isEmpty → bool
-
true
if theResults
collection is empty.no setteroverride - isFrozen → bool
-
True if the entity belongs to a frozen Realm.
no setterinherited
- isManaged → bool
-
True if the object belongs to a Realm.
no setterinherited
- isNotEmpty → bool
-
Whether this collection has at least one element.
no setterinherited
- isValid → bool
-
Gets a value indicating whether this collection is still valid to use.
no setter
-
iterator
→ Iterator<
T> -
Returns a new
Iterator
that allows iterating the elements in thisRealmResults
.no setteroverride - last → T
-
The last element.
no setteroverride
- lastOrNull → T?
-
Available on Iterable<
The last element of this iterable, orT> , provided by the IterableExtensions extensionnull
if the iterable is empty.no setter - length → int
-
The number of values in this
Results
collection.no setteroverride -
nonNulls
→ Iterable<
T> -
Available on Iterable<
The non-T?> , provided by the NullableIterableExtensions extensionnull
elements of this iterable.no setter - realm → Realm
-
The Realm instance this object belongs to.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- single → T
-
Checks that this iterable has only one element, and returns that element.
no setteroverride
- singleOrNull → T?
-
Available on Iterable<
The single element of this iterator, orT> , provided by the IterableExtensions extensionnull
.no setter -
wait
→ Future<
List< T> > -
Available on Iterable<
Waits for futures in parallel.Future< , provided by the FutureIterable extensionT> >no setter
Methods
-
any(
bool test(T element)) → bool -
Checks whether any element of this iterable satisfies
test
.inherited -
asNameMap(
) → Map< String, T> -
Available on Iterable<
Creates a map from the names of enum values to the values.T> , provided by the EnumByName extension -
byName(
String name) → T -
Available on Iterable<
Finds the enum value in this list with nameT> , provided by the EnumByName extensionname
. -
cast<
R> () → Iterable< R> -
A view of this iterable as an iterable of
R
instances.inherited -
changesFor(
[List< String> ? keyPaths]) → Stream<RealmResultsChanges< T> > -
Available on RealmResults<
Allows listening for changes when the contents of this collection changes on one of the providedT> , provided by the RealmResultsOfObject extensionkeyPaths
. IfkeyPaths
is null, default notifications will be raised (same asRealmResults.change
). IfkeyPaths
is an empty list, only notifications related to the collection itself will be raised (such as adding or removing elements). -
contains(
covariant T element) → bool -
true
if theResults
collection contains the specifiedelement
.override -
elementAt(
int index) → T -
Returns the element of type
T
at the specifiedindex
.override -
elementAtOrNull(
int index) → T? -
Available on Iterable<
The element at positionT> , provided by the IterableExtensions extensionindex
of this iterable, ornull
. -
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 -
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> -
Creates 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 -
freeze(
) → RealmResults< T> - Creates a frozen snapshot of this query.
-
indexOf(
covariant T element, [int start = 0]) → int -
Returns the
index
of the first occurrence of the specifiedelement
in this collection, or-1
if the collection does not contain the element. -
join(
[String separator = ""]) → String -
Converts each element to a String and concatenates the strings.
inherited
-
lastWhere(
bool test(T element), {T orElse()?}) → T -
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 nonexistent method or property is accessed.
inherited
-
query(
String query, [List< Object> args = const []]) → RealmResults<T> -
Available on RealmResults<
Returns a new RealmResults filtered according to the provided query.T> , provided by the RealmResultsOfObject extension -
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 -
The single element that satisfies
test
.inherited -
skip(
int count) → RealmResults< T> -
Creates an Iterable that provides all but the first
count
elements.override -
skipWhile(
bool test(T value)) → Iterable< T> -
Creates an
Iterable
that skips leading elements whiletest
is satisfied.inherited -
take(
int count) → Iterable< T> -
Creates a lazy iterable of the
count
first elements of this iterable.inherited -
takeWhile(
bool test(T value)) → Iterable< T> -
Creates 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> -
Creates a new lazy Iterable with all elements that satisfy the
predicate
test
.inherited -
whereType<
T> () → Iterable< T> -
Creates 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 specifiedindex
.