Package com.google.genai.types

Class SlidingWindow

java.lang.Object

com.google.genai.JsonSerializable

com.google.genai.types.SlidingWindow

public abstract class SlidingWindow
extends JsonSerializable

Context window will be truncated by keeping only suffix of it.

Context window will always be cut at start of USER role turn. System instructions and `BidiGenerateContentSetup.prefix_turns` will not be subject to the sliding window mechanism, they will always stay at the beginning of context window.

Nested Class Summary

Nested Classes

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

Constructor Summary

Constructors

Constructor	Description
SlidingWindow()

Method Summary

Modifier and Type	Method	Description
static SlidingWindow.Builder	builder()	Instantiates a builder for SlidingWindow.
static SlidingWindow	fromJson(String jsonString)	Deserializes a JSON string to a SlidingWindow object.
abstract Optional<Long>	targetTokens()	Session reduction target -- how many tokens we should keep.
abstract SlidingWindow.Builder	toBuilder()	Creates a builder with the same values as this instance.

Methods inherited from class com.google.genai.JsonSerializable

stringToJsonNode, toJson

Methods inherited from class java.lang.Object

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

Constructor Details

SlidingWindow

public SlidingWindow()

Method Details

targetTokens

public abstract Optional<Long> targetTokens()

Session reduction target -- how many tokens we should keep. Window shortening operation has some latency costs, so we should avoid running it on every turn. Should be < trigger_tokens. If not set, trigger_tokens/2 is assumed.

builder

public static SlidingWindow.Builder builder()

Instantiates a builder for SlidingWindow.

toBuilder

public abstract SlidingWindow.Builder toBuilder()

Creates a builder with the same values as this instance.

fromJson

public static SlidingWindow fromJson(String jsonString)

Deserializes a JSON string to a SlidingWindow object.