Precondition class

A precondition on a document, used for conditional operations.

Constructors

Precondition()
Precondition.fromJson(Map _json)

Properties

exists ↔ bool
When set to true, the target document must exist. When set to false, the target document must not exist.
read / write
updateTime ↔ String
When set, the target document must exist and have been last updated at that time.
read / write
hashCode → int
The hash code for this object.
read-only, inherited
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited

Methods

toJson() → Map<String, Object>
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() → String
Returns a string representation of this object.
inherited

Operators

operator ==(dynamic other) → bool
The equality operator.
inherited