Class Response<T>

java.lang.Object
dev.langchain4j.model.output.Response<T>
Type Parameters:
T - The type of content generated by the model.

public class Response<T> extends Object
Represents the response from various types of models, including language, chat, embedding, and moderation models. This class encapsulates the generated content, token usage statistics, and finish reason.
  • Constructor Details

    • Response

      public Response(T content)
      Create a new Response.

      Will contain null TokenUsage and FinishReason

      Parameters:
      content - the content to wrap.
    • Response

      public Response(T content, TokenUsage tokenUsage, FinishReason finishReason)
      Create a new Response.
      Parameters:
      content - the content to wrap.
      tokenUsage - the token usage statistics, or null.
      finishReason - the finish reason, or null.
  • Method Details

    • content

      public T content()
      Get the content.
      Returns:
      the content.
    • tokenUsage

      public TokenUsage tokenUsage()
      Get the token usage statistics.
      Returns:
      the token usage statistics, or null.
    • finishReason

      public FinishReason finishReason()
      Get the finish reason.
      Returns:
      the finish reason, or null.
    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object
    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object
    • toString

      public String toString()
      Overrides:
      toString in class Object
    • from

      public static <T> Response<T> from(T content)
      Create a new Response.
      Type Parameters:
      T - the type of content.
      Parameters:
      content - the content to wrap.
      Returns:
      the new Response.
    • from

      public static <T> Response<T> from(T content, TokenUsage tokenUsage)
      Create a new Response.
      Type Parameters:
      T - the type of content.
      Parameters:
      content - the content to wrap.
      tokenUsage - the token usage statistics.
      Returns:
      the new Response.
    • from

      public static <T> Response<T> from(T content, TokenUsage tokenUsage, FinishReason finishReason)
      Create a new Response.
      Type Parameters:
      T - the type of content.
      Parameters:
      content - the content to wrap.
      tokenUsage - the token usage statistics.
      finishReason - the finish reason.
      Returns:
      the new Response.