Chunk class final
A Chunk is a subpart of a Document that is treated as an independent unit
for the purposes of vector representation and storage.
A Corpus can have a maximum of 1 million Chunks.
- Inheritance
-
- Object
- ProtoMessage
- Chunk
Constructors
-
Chunk({String name = '', required ChunkData? data, List<
CustomMetadata> customMetadata = const [], Timestamp? createTime, Timestamp? updateTime, Chunk_State state = Chunk_State.$default}) -
Chunk.fromJson(Map<
String, dynamic> json) -
factory
Properties
- createTime → Timestamp?
-
Output only. The Timestamp of when the
Chunkwas created.final -
customMetadata
→ List<
CustomMetadata> -
Optional. User provided custom metadata stored as key-value pairs.
The maximum number of
CustomMetadataper chunk is 20.final - data → ChunkData?
-
Required. The content for the
Chunk, such as the text string. The maximum number of tokens per chunk is 2043.final - hashCode → int
-
The hash code for this object.
no setterinherited
- name → String
-
Immutable. Identifier. The
Chunkresource name. The ID (name excluding the "corpora//documents//chunks/" prefix) can contain up to 40 characters that are lowercase alphanumeric or dashes (-). The ID cannot start or end with a dash. If the name is empty on create, a random 12-character unique ID will be generated. Example:corpora/{corpus_id}/documents/{document_id}/chunks/123a456b789cfinal - qualifiedName → String
-
The fully qualified name of this message, i.e.,
google.protobuf.Durationorgoogle.rpc.ErrorInfo.finalinherited - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- state → Chunk_State
-
Output only. Current state of the
Chunk.final - updateTime → Timestamp?
-
Output only. The Timestamp of when the
Chunkwas last updated.final
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toJson(
) → Object -
override
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
- fullyQualifiedName → const String