Class WatsonxTokenCountEstimator

java.lang.Object

dev.langchain4j.model.watsonx.WatsonxTokenCountEstimator

All Implemented Interfaces:

dev.langchain4j.model.TokenCountEstimator

public class WatsonxTokenCountEstimator
extends Object
implements dev.langchain4j.model.TokenCountEstimator

A TokenCountEstimator implementation that integrates IBM watsonx.ai with LangChain4j.

Example usage:

TokenCountEstimator tokenCountEstimator = WatsonxTokenCountEstimator.builder()
    .url("https://...") // or use CloudRegion
    .apiKey("...")
    .projectId("...")
    .build();

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	WatsonxTokenCountEstimator.Builder	Builder class for constructing WatsonxTokenCountEstimator instances with configurable parameters.

Method Summary

Modifier and Type	Method	Description
static WatsonxTokenCountEstimator.Builder	builder()	Returns a new WatsonxTokenCountEstimator.Builder instance.
int	estimateTokenCountInMessage(dev.langchain4j.data.message.ChatMessage message)
int	estimateTokenCountInMessages(Iterable<dev.langchain4j.data.message.ChatMessage> messages)
int	estimateTokenCountInText(String text)
int	estimateTokenCountInText(String text, com.ibm.watsonx.ai.tokenization.TokenizationParameters parameters)	Estimates the count of tokens in the given text using the specified TokenizationParameters.

Methods inherited from class Object

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

Method Details

estimateTokenCountInText

public int estimateTokenCountInText(String text)

Specified by:

estimateTokenCountInText in interface dev.langchain4j.model.TokenCountEstimator

estimateTokenCountInText

public int estimateTokenCountInText(String text,
 com.ibm.watsonx.ai.tokenization.TokenizationParameters parameters)

Estimates the count of tokens in the given text using the specified TokenizationParameters.

Parameters:

text - the text.

parameters - the tokenization parameters to use.

Returns:

the estimated count of tokens.

estimateTokenCountInMessage

public int estimateTokenCountInMessage(dev.langchain4j.data.message.ChatMessage message)

Specified by:

estimateTokenCountInMessage in interface dev.langchain4j.model.TokenCountEstimator

estimateTokenCountInMessages

public int estimateTokenCountInMessages(Iterable<dev.langchain4j.data.message.ChatMessage> messages)

Specified by:

estimateTokenCountInMessages in interface dev.langchain4j.model.TokenCountEstimator

builder

public static WatsonxTokenCountEstimator.Builder builder()

Returns a new WatsonxTokenCountEstimator.Builder instance.

Example usage:

TokenCountEstimator tokenCountEstimator = WatsonxTokenCountEstimator.builder()
    .url("https://...") // or use CloudRegion
    .apiKey("...")
    .projectId("...")
    .build();