Package com.google.genai.types

Class PreferenceOptimizationSpec

java.lang.Object

com.google.genai.JsonSerializable

com.google.genai.types.PreferenceOptimizationSpec

public abstract class PreferenceOptimizationSpec
extends JsonSerializable

Preference optimization tuning spec for tuning.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PreferenceOptimizationSpec.Builder	Builder for PreferenceOptimizationSpec.

Field Summary

Fields inherited from class com.google.genai.JsonSerializable

MAX_READ_LENGTH_PROPERTY

Constructor Summary

Constructors

Constructor	Description
PreferenceOptimizationSpec()

Method Summary

Modifier and Type	Method	Description
static PreferenceOptimizationSpec.Builder	builder()	Instantiates a builder for PreferenceOptimizationSpec.
abstract Optional<Boolean>	exportLastCheckpointOnly()	Optional.
static PreferenceOptimizationSpec	fromJson(String jsonString)	Deserializes a JSON string to a PreferenceOptimizationSpec object.
abstract Optional<PreferenceOptimizationHyperParameters>	hyperParameters()	Optional.
abstract PreferenceOptimizationSpec.Builder	toBuilder()	Creates a builder with the same values as this instance.
abstract Optional<String>	trainingDatasetUri()	Required.
abstract Optional<String>	validationDatasetUri()	Optional.

Methods inherited from class com.google.genai.JsonSerializable

setMaxReadLength, stringToJsonNode, toJson

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PreferenceOptimizationSpec

public PreferenceOptimizationSpec()

Method Details

exportLastCheckpointOnly

public abstract Optional<Boolean> exportLastCheckpointOnly()

Optional. If set to true, disable intermediate checkpoints for Preference Optimization and only the last checkpoint will be exported. Otherwise, enable intermediate checkpoints for Preference Optimization. Default is false.

hyperParameters

public abstract Optional<PreferenceOptimizationHyperParameters> hyperParameters()

Optional. Hyperparameters for Preference Optimization.

trainingDatasetUri

public abstract Optional<String> trainingDatasetUri()

Required. Cloud Storage path to file containing training dataset for preference optimization tuning. The dataset must be formatted as a JSONL file.

validationDatasetUri

public abstract Optional<String> validationDatasetUri()

Optional. Cloud Storage path to file containing validation dataset for preference optimization tuning. The dataset must be formatted as a JSONL file.

builder

public static PreferenceOptimizationSpec.Builder builder()

Instantiates a builder for PreferenceOptimizationSpec.

toBuilder

public abstract PreferenceOptimizationSpec.Builder toBuilder()

Creates a builder with the same values as this instance.

fromJson

public static PreferenceOptimizationSpec fromJson(String jsonString)

Deserializes a JSON string to a PreferenceOptimizationSpec object.