Package dev.langchain4j.service.tool

Class DefaultToolExecutor

java.lang.Object

dev.langchain4j.service.tool.DefaultToolExecutor

All Implemented Interfaces:

ToolExecutor

public class DefaultToolExecutor
extends Object
implements ToolExecutor

Constructor Summary

Constructors

Constructor	Description
DefaultToolExecutor(Object object, ToolExecutionRequest toolExecutionRequest)
DefaultToolExecutor(Object object, Method method)
DefaultToolExecutor(Object object, Method originalMethod, Method methodToInvoke)	When methods annotated with @Tool are wrapped into proxies (AOP), the parameters of the proxied method do not retain their original names.

Method Summary

Modifier and Type	Method	Description
String	execute(ToolExecutionRequest toolExecutionRequest, Object memoryId)	Executes a tool requests.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultToolExecutor

public DefaultToolExecutor(Object object,
 Method method)

DefaultToolExecutor

public DefaultToolExecutor(Object object,
 ToolExecutionRequest toolExecutionRequest)

DefaultToolExecutor

public DefaultToolExecutor(Object object,
 Method originalMethod,
 Method methodToInvoke)

When methods annotated with @Tool are wrapped into proxies (AOP), the parameters of the proxied method do not retain their original names. Therefore, access to the original method is required to retrieve those names.

Parameters:

object - the object on which the method should be invoked

originalMethod - the original method, used to retrieve parameter names and prepare arguments

methodToInvoke - the method that should actually be invoked

Method Details

execute

public String execute(ToolExecutionRequest toolExecutionRequest,
 Object memoryId)

Description copied from interface: ToolExecutor

Executes a tool requests.

Specified by:

execute in interface ToolExecutor

Parameters:

toolExecutionRequest - The tool execution request. Contains tool name and arguments.

memoryId - The ID of the chat memory. See MemoryId for more details.

Returns:

The result of the tool execution.