Struct RequestContext 

pub struct RequestContext {
    pub user_id: Option<String>,
    pub task_type: Option<String>,
    pub input_length: usize,
    pub output_length_category: OutputLengthCategory,
    pub priority: u8,
    pub region: Option<String>,
    pub hour_of_day: u8,
    pub day_of_week: u8,
    pub language: Option<String>,
    pub metadata: HashMap<String, String>,
}

Request context for contextual bandit decisions

Fields

user_id: Option<String>

User ID (if available)

task_type: Option<String>

Task type (classification, generation, extraction, etc.)

input_length: usize

Input length in tokens

output_length_category: OutputLengthCategory

Expected output length category

priority: u8

Request priority (1-10)

region: Option<String>

Geographic region

hour_of_day: u8

Time of day (hour 0-23)

day_of_week: u8

Day of week (0-6, where 0 is Monday)

language: Option<String>

Language code (e.g., “en”, “es”, “fr”)

metadata: HashMap<String, String>

Custom metadata

Implementations

impl RequestContext

pub fn new(input_length: usize) -> Self

Create a new request context with defaults

pub fn to_feature_vector(&self) -> Vec<f64>

Extract feature vector for machine learning

pub fn feature_dimension() -> usize

Get feature dimension

pub fn with_task_type(self, task_type: impl Into<String>) -> Self

Set task type

pub fn with_output_length(self, category: OutputLengthCategory) -> Self

Set output length category

pub fn with_priority(self, priority: u8) -> Self

Set priority

pub fn with_user_id(self, user_id: impl Into<String>) -> Self

Set user ID

pub fn with_language(self, language: impl Into<String>) -> Self

Set language

pub fn with_metadata( self, key: impl Into<String>, value: impl Into<String>, ) -> Self

Add custom metadata

Trait Implementations

impl Clone for RequestContext

fn clone(&self) -> RequestContext

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RequestContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for RequestContext

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for RequestContext

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for RequestContext

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.