Package dev.langchain4j.rag.content.injector

Interface ContentInjector

All Known Implementing Classes:

DefaultContentInjector

public interface ContentInjector

Injects given Contents into a given UserMessage.
The goal is to format and incorporate the Contents into the original UserMessage enabling the LLM to utilize it for generating a grounded response.

See Also:

• DefaultContentInjector

Method Summary

Modifier and Type	Method	Description
default ChatMessage	inject(List<Content> contents, ChatMessage chatMessage)	Injects given Contents into a given ChatMessage.
UserMessage	inject(List<Content> contents, UserMessage userMessage)	Deprecated. Use/implement inject(List, ChatMessage) instead.

Method Details

inject

default ChatMessage inject(List<Content> contents,
 ChatMessage chatMessage)

Injects given Contents into a given ChatMessage.
This method has a default implementation in order to temporarily support current custom implementations of ContentInjector. The default implementation will be removed soon.

Parameters:

contents - The list of Content to be injected.

chatMessage - The ChatMessage into which the Contents are to be injected. Can be either a UserMessage or a SystemMessage.

Returns:

The UserMessage with the injected Contents.

inject

@Deprecated
UserMessage inject(List<Content> contents,
 UserMessage userMessage)

Deprecated.

Use/implement inject(List, ChatMessage) instead.

Injects given Contents into a given UserMessage.

Parameters:

contents - The list of Content to be injected.

userMessage - The UserMessage into which the Contents are to be injected.

Returns:

The UserMessage with the injected Contents.