PNCounter class

A Positive-Negative Counter CRDT.

It allows increments and decrements across multiple replicas independently and can be merged without conflicts.

Implemented types

• CRDT<int>

Constructors

PNCounter({Map<String, int>? p, Map<String, int>? n})

const

PNCounter.fromMap(Map<String, dynamic> map)

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

props → List<Object?>

The list of properties that will be used to determine whether two instances are equal.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

stringify → bool?

If set to true, the toString method will be overridden to output this instance's props.

no setter, inherited

value → int

Returns the current value of the CRDT.

no setter, override

Methods

decrement(String replicaId, [int amount = 1]) → PNCounter

increment(String replicaId, [int amount = 1]) → PNCounter

merge(covariant PNCounter other) → PNCounter

Merges this CRDT with another of the same type.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toMap() → Map<String, dynamic>

Converts the CRDT state to a map for serialization.

override

toString() → String

A string representation of this object.

Operators

operator ==(Object other) → bool

The equality operator.

inherited