SourceMetadata class
Metadata about a Source useful for automatically optimizing and tuning the pipeline, etc.
Constructors
- SourceMetadata({String? estimatedSizeBytes, bool? infinite, bool? producesSortedKeys})
- SourceMetadata.fromJson(Map _json)
Properties
- estimatedSizeBytes ↔ String?
-
An estimate of the total size (in bytes) of the data that would be read
from this source.
getter/setter pair
- hashCode → int
-
The hash code for this object.
no setterinherited
- infinite ↔ bool?
-
Specifies that the size of this source is known to be infinite (this is a
streaming source).
getter/setter pair
- producesSortedKeys ↔ bool?
-
Whether this source is known to produce key/value pairs with the (encoded)
keys in lexicographically sorted order.
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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