Package com.tnsai.agents.async

Interface ChatEvent

All Known Implementing Classes:

ChatEvent.Completed, ChatEvent.Error, ChatEvent.Started, ChatEvent.Token, ChatEvent.ToolCall, ChatEvent.ToolResult

public sealed interface ChatEvent
permits ChatEvent.Started, ChatEvent.Token, ChatEvent.ToolCall, ChatEvent.ToolResult, ChatEvent.Error, ChatEvent.Completed

Typed events for async chat streaming.

Provides a structured way to handle different types of events during asynchronous chat processing.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static final record	ChatEvent.Completed	Chat completed event.
static final record	ChatEvent.Error	Error event.
static final record	ChatEvent.Started	Chat started event.
static final record	ChatEvent.Token	Token streamed event.
static final record	ChatEvent.ToolCall	Tool call initiated event.
static final record	ChatEvent.ToolResult	Tool execution result event.

Method Summary

Modifier and Type	Method	Description
static ChatEvent.Completed	completed(String response, int tokens, long durationMillis)
static ChatEvent.Error	error(String message, Throwable cause, boolean recoverable)
boolean	isTerminal()	Returns true if this is a terminal event.
static ChatEvent.Started	started(String sessionId, String model)
Instant	timestamp()	Gets the timestamp of this event.
static ChatEvent.Token	token(String content, int index)
static ChatEvent.ToolCall	toolCall(String name, Map<String,Object> args, String callId)
static ChatEvent.ToolResult	toolResult(String callId, Object result, boolean success)

Method Details

timestamp

Instant timestamp()

Gets the timestamp of this event.

isTerminal

boolean isTerminal()

Returns true if this is a terminal event.

started

static ChatEvent.Started started(String sessionId,
 String model)

token

static ChatEvent.Token token(String content,
 int index)

toolCall

static ChatEvent.ToolCall toolCall(String name,
 Map<String,Object> args,
 String callId)

toolResult

static ChatEvent.ToolResult toolResult(String callId,
 Object result,
 boolean success)

error

static ChatEvent.Error error(String message,
 Throwable cause,
 boolean recoverable)

completed

static ChatEvent.Completed completed(String response,
 int tokens,
 long durationMillis)