MapChangeRecord<K, V> class
A ChangeRecord that denotes adding, removing, or updating a map.
- Implemented types
Constructors
- MapChangeRecord(K key, V? oldValue, V? newValue)
-
Create an update record of key from oldValue to newValue.
const
- MapChangeRecord.insert(K key, V? newValue)
-
Create an insert record of key and newValue.
const
- MapChangeRecord.remove(K key, V? oldValue)
-
Create a remove record of key with a former oldValue.
const
Properties
- hashCode → int
-
The hash code for this object.
no setteroverride
- isInsert → bool
-
True if this key was inserted.
final
- isRemove → bool
-
True if this key was removed.
final
- key → K
-
The map key that changed.
final
- newValue → V?
-
The new value associated with this key.
final
- oldValue → V?
-
The previous value associated with this key.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
apply(
Map< K, V> map) → void -
Apply this change record to
map. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override