IsarLinks<OBJ> class
abstract
Establishes a 1:n relationship with the same or another collection. The target collection is specified by the generic type argument.
- Implemented types
-
- Set<
OBJ>
- Set<
- Available extensions
Constructors
- IsarLinks()
-
Create an empty, unattached link. Make sure to provide the correct
generic argument.
factory
Properties
- first → OBJ
-
The first element.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- isAttached → bool
-
Is the containing object managed by Isar?
no setterinherited
- isChanged → bool
-
Have the contents been changed? If not,
.save()
is a no-op.no setterinherited - isEmpty → bool
-
Whether this collection has no elements.
no setterinherited
- isLoaded → bool
-
Has this link been loaded?
no setterinherited
- isNotEmpty → bool
-
Whether this collection has at least one element.
no setterinherited
-
iterator
→ Iterator<
OBJ> -
An iterator that iterates over the elements of this set.
no setterinherited
- last → OBJ
-
The last element.
no setterinherited
- length → int
-
The number of elements in this Iterable.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- single → OBJ
-
Checks that this iterable has only one element, and returns that element.
no setterinherited
Methods
-
add(
OBJ value) → bool -
Adds
value
to the set.inherited -
addAll(
Iterable< OBJ> elements) → void -
Adds all
elements
to this set.inherited -
any(
bool test(OBJ element)) → bool -
Checks whether any element of this iterable satisfies
test
.inherited -
cast<
R> () → Set< R> -
Provides a view of this set as a set of
R
instances.inherited -
clear(
) → void -
Removes all elements from the set.
inherited
-
contains(
Object? value) → bool -
Whether
value
is in the set.inherited -
containsAll(
Iterable< Object?> other) → bool -
Whether this set contains all the elements of
other
.inherited -
count(
) → Future< int> - Counts the linked objects in the database.
-
countSync(
) → int - Counts the linked objects in the database.
-
difference(
Set< Object?> other) → Set<OBJ> -
Creates a new set with the elements of this that are not in
other
.inherited -
elementAt(
int index) → OBJ -
Returns the
index
th element.inherited -
every(
bool test(OBJ element)) → bool -
Checks whether every element of this iterable satisfies
test
.inherited -
expand<
T> (Iterable< T> toElements(OBJ element)) → Iterable<T> -
Expands each element of this Iterable into zero or more elements.
inherited
-
filter(
) → QueryBuilder< OBJ, OBJ, QAfterFilterCondition> - Starts a query for linked objects.
-
firstWhere(
bool test(OBJ element), {OBJ orElse()?}) → OBJ -
The first element that satisfies the given predicate
test
.inherited -
fold<
T> (T initialValue, T combine(T previousValue, OBJ element)) → T -
Reduces a collection to a single value by iteratively combining each
element of the collection with an existing value
inherited
-
followedBy(
Iterable< OBJ> other) → Iterable<OBJ> -
Creates the lazy concatenation of this iterable and
other
.inherited -
forEach(
void action(OBJ element)) → void -
Invokes
action
on each element of this iterable in iteration order.inherited -
intersection(
Set< Object?> other) → Set<OBJ> -
Creates a new set which is the intersection between this set and
other
.inherited -
join(
[String separator = ""]) → String -
Converts each element to a String and concatenates the strings.
inherited
-
lastWhere(
bool test(OBJ element), {OBJ orElse()?}) → OBJ -
The last element that satisfies the given predicate
test
.inherited -
load(
{bool overrideChanges = true}) → Future< void> - Loads the linked object(s) from the database
-
loadSync(
{bool overrideChanges = true}) → void - Loads the linked object(s) from the database
-
lookup(
Object? object) → OBJ? -
If an object equal to
object
is in the set, return it.inherited -
map<
T> (T toElement(OBJ 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
-
reduce(
OBJ combine(OBJ value, OBJ element)) → OBJ -
Reduces a collection to a single value by iteratively combining elements
of the collection using the provided function.
inherited
-
remove(
Object? value) → bool -
Removes
value
from the set.inherited -
removeAll(
Iterable< Object?> elements) → void -
Removes each element of
elements
from this set.inherited -
removeWhere(
bool test(OBJ element)) → void -
Removes all elements of this set that satisfy
test
.inherited -
reset(
) → Future< void> -
Unlinks all linked object(s).
inherited
-
resetSync(
) → void -
Unlinks all linked object(s).
inherited
-
retainAll(
Iterable< Object?> elements) → void -
Removes all elements of this set that are not elements in
elements
.inherited -
retainWhere(
bool test(OBJ element)) → void -
Removes all elements of this set that fail to satisfy
test
.inherited -
save(
) → Future< void> -
Saves the linked object(s) to the database if there are changes.
inherited
-
saveSync(
) → void -
Saves the linked object(s) to the database if there are changes.
inherited
-
singleWhere(
bool test(OBJ element), {OBJ orElse()?}) → OBJ -
The single element that satisfies
test
.inherited -
skip(
int count) → Iterable< OBJ> -
Creates an Iterable that provides all but the first
count
elements.inherited -
skipWhile(
bool test(OBJ value)) → Iterable< OBJ> -
Creates an
Iterable
that skips leading elements whiletest
is satisfied.inherited -
take(
int count) → Iterable< OBJ> -
Creates a lazy iterable of the
count
first elements of this iterable.inherited -
takeWhile(
bool test(OBJ value)) → Iterable< OBJ> -
Creates a lazy iterable of the leading elements satisfying
test
.inherited -
toList(
{bool growable = true}) → List< OBJ> -
Creates a List containing the elements of this Iterable.
inherited
-
toSet(
) → Set< OBJ> -
Creates a Set with the same elements and behavior as this
Set
.inherited -
toString(
) → String -
A string representation of this object.
inherited
-
union(
Set< OBJ> other) → Set<OBJ> -
Creates a new set which contains all the elements of this set and
other
.inherited -
update(
{Iterable< OBJ> link = const [], Iterable<OBJ> unlink = const [], bool reset = false}) → Future<void> - Creates and removes the specified links in the database.
-
updateSync(
{Iterable< OBJ> link = const [], Iterable<OBJ> unlink = const [], bool reset = false}) → void - Creates and removes the specified links in the database.
-
where(
bool test(OBJ element)) → Iterable< OBJ> -
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