Struct ExecutionContext 

pub struct ExecutionContext {

    pub session_id: SessionId,
    pub agent_id: AgentId,
    pub state: AgentState,
    pub iteration: i32,
    pub max_iterations: i32,
    pub messages: Vec<Message>,
    pub tools_registered: Vec<String>,
    pub tool_calls_pending: Vec<ToolCall>,
    pub tool_results_cache: Vec<ToolResult>,
    pub model: String,
    pub temperature: f32,
    pub system_prompt: String,
    pub tokens_total: i64,
    pub tokens_prompt: i64,
    pub tokens_completion: i64,
    pub cost_estimate: f64,
    pub created_at: DateTime<Utc>,
    pub last_updated: DateTime<Utc>,
    pub checkpoint_count: i32,
    pub metadata: HashMap<String, Value>,
}

执行上下文

Agent 执行的完整上下文，包含所有必要的状态信息。 这是 Python 版本 ExecutionContext 的 Rust 移植。

Fields

session_id: SessionId

会话 ID

agent_id: AgentId

Agent ID

state: AgentState

iteration: i32

max_iterations: i32

messages: Vec<Message>

消息历史（OpenAI 格式）

tools_registered: Vec<String>

Tool 管理

tool_calls_pending: Vec<ToolCall>

tool_results_cache: Vec<ToolResult>

model: String

配置快照

temperature: f32

system_prompt: String

tokens_total: i64

追踪数据

tokens_prompt: i64

tokens_completion: i64

cost_estimate: f64

created_at: DateTime<Utc>

元数据

last_updated: DateTime<Utc>

checkpoint_count: i32

metadata: HashMap<String, Value>

扩展数据（用于存储额外信息）

Implementations

impl ExecutionContext

pub fn new() -> Self

创建新的执行上下文

pub fn with_config( model: impl Into<String>, temperature: f32, system_prompt: impl Into<String>, ) -> Self

使用配置创建执行上下文

pub fn add_message(&mut self, role: &str, content: &str)

添加消息

pub fn touch(&mut self)

更新最后修改时间

pub fn increment_checkpoint(&mut self)

增加检查点计数

pub fn add_tokens(&mut self, prompt: i64, completion: i64)

添加 token 使用

pub fn to_dict(&self) -> Value

序列化为字典

pub fn from_dict(data: &Value) -> Result<Self>

从字典恢复

pub fn to_json(&self) -> Result<String>

转换为 JSON 字符串

pub fn from_json(json: &str) -> Result<Self>

从 JSON 字符串恢复

pub fn set_state(&mut self, state: AgentState)

设置状态

pub fn can_continue(&self) -> bool

检查是否可以继续

pub fn message_count(&self) -> usize

获取消息数量

Trait Implementations

impl Clone for ExecutionContext

fn clone(&self) -> ExecutionContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExecutionContext

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

Formats the value using the given formatter.

impl Default for ExecutionContext

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ExecutionContext

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ExecutionContext

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

where __S: Serializer,

Serialize this value into the given Serde serializer.