Package com.google.genkit.ai

Class Message

java.lang.Object

com.google.genkit.ai.Message

public class Message
extends Object

Message represents a message in a conversation with a generative AI model.

Nested Class Summary

Nested Classes

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

Constructor Summary

Constructors

Constructor	Description
Message()	Default constructor.
Message(Role role, List<Part> content)	Creates a message with the given role and content.

Method Summary

Modifier and Type	Method	Description
Message	addPart(Part part)	Adds a part to the message content.
static Message.Builder	builder()	Creates a builder for Message.
List<Part>	getContent()
Map<String,Object>	getMetadata()
Role	getRole()
String	getText()	Returns the text content from all text parts.
static Message	model(String text)	Creates a model message with text content.
void	setContent(List<Part> content)
void	setMetadata(Map<String,Object> metadata)
void	setRole(Role role)
static Message	system(String text)	Creates a system message with text content.
static Message	tool(List<Part> content)	Creates a tool message with content.
static Message	user(String text)	Creates a user message with text content.

Methods inherited from class java.lang.Object

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

Constructor Details

Message

public Message()

Default constructor.

Message

public Message(Role role,
 List<Part> content)

Creates a message with the given role and content.

Parameters:

role - the message role

content - the content parts

Method Details

user

public static Message user(String text)

Creates a user message with text content.

Parameters:

text - the text content

Returns:

a new user message

system

public static Message system(String text)

Creates a system message with text content.

Parameters:

text - the text content

Returns:

a new system message

model

public static Message model(String text)

Creates a model message with text content.

Parameters:

text - the text content

Returns:

a new model message

tool

public static Message tool(List<Part> content)

Creates a tool message with content.

Parameters:

content - the content parts

Returns:

a new tool message

getText

public String getText()

Returns the text content from all text parts.

Returns:

the concatenated text

getRole

public Role getRole()

setRole

public void setRole(Role role)

getContent

public List<Part> getContent()

setContent

public void setContent(List<Part> content)

getMetadata

public Map<String,Object> getMetadata()

setMetadata

public void setMetadata(Map<String,Object> metadata)

addPart

public Message addPart(Part part)

Adds a part to the message content.

Parameters:

part - the part to add

Returns:

this message for chaining

builder

public static Message.Builder builder()

Creates a builder for Message.

Returns:

a new builder