Accumulator class abstract

Basic accumulation operator

Inheritance

• Object
• AggregationExpr
• Operator
• Accumulator

Implementers

• AddToSet
• Avg
• First
• Last
• Max
• MergeObjects
• Min
• Push
• StdDevPop
• StdDevSamp
• Sum

Constructors

Accumulator(String name, dynamic expr)

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

build() → Map<String, dynamic>

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited