Value class Null safety
A message that can hold any of the supported value types and associated metadata.
Constructors
- Value({ArrayValue? arrayValue, String? blobValue, bool? booleanValue, double? doubleValue, Entity? entityValue, bool? excludeFromIndexes, LatLng? geoPointValue, String? integerValue, Key? keyValue, int? meaning, String? nullValue, String? stringValue, String? timestampValue})
- Value.fromJson(Map json_)
Properties
- arrayValue ↔ ArrayValue?
-
An array value.
read / write
- blobValue ↔ String?
-
A blob value.
read / write
-
blobValueAsBytes
↔ List<
int> -
read / write
- booleanValue ↔ bool?
-
A boolean value.
read / write
- doubleValue ↔ double?
-
A double value.
read / write
- entityValue ↔ Entity?
-
An entity value.
read / write
- excludeFromIndexes ↔ bool?
-
If the value should be excluded from all indexes including those defined
explicitly.
read / write
- geoPointValue ↔ LatLng?
-
A geo point value representing a point on the surface of Earth.
read / write
- hashCode → int
-
The hash code for this object.
read-onlyinherited
- integerValue ↔ String?
-
An integer value.
read / write
- keyValue ↔ Key?
-
A key value.
read / write
- meaning ↔ int?
-
The
meaningfield should only be populated for backwards compatibility.read / write - nullValue ↔ String?
-
A null value.
Possible string values are:
read / write
- runtimeType → Type
-
A representation of the runtime type of the object.
read-onlyinherited
- stringValue ↔ String?
-
A UTF-8 encoded string value.
read / write
- timestampValue ↔ String?
-
A timestamp value.
read / write
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
toJson(
) → Map< String, dynamic> -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited