Class A2AClientAgentInvoker

java.lang.Object

dev.langchain4j.agentic.a2a.A2AClientAgentInvoker

All Implemented Interfaces:

AgentInvoker, InternalAgent, AgentInstance

public class A2AClientAgentInvoker
extends Object
implements AgentInvoker

Constructor Summary

Constructors

Constructor	Description
A2AClientAgentInvoker(A2AClientInstance a2AClientInstance, Method method)

Method Summary

Modifier and Type	Method	Description
AgentCondition	activationCondition()	The condition under which this agent runs when it is invoked as a subagent, or null when it always runs.
String	agentId()
void	appendId(String idSuffix)
List<AgentArgument>	arguments()
boolean	async()
String	description()
AgentListener	listener()
Method	method()
String	name()
String	outputKey()
Type	outputType()
AgentInstance	parent()
Class<? extends Planner>	plannerType()
void	registerInheritedParentListener(AgentListener parentListener)
void	setParent(InternalAgent parent)
List<AgentInstance>	subagents()
AgentInvocationArguments	toInvocationArguments(AgenticScope agenticScope)
AgenticSystemTopology	topology()
Class<?>	type()

Methods inherited from class Object

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

Methods inherited from interface AgentInstance

as, leaf, optional

Methods inherited from interface AgentInvoker

invoke

Methods inherited from interface InternalAgent

allowChatMemory, allowStreamingOutput, compensateOnError, enableCrossAgentCompensation, setAgentId

Constructor Details

A2AClientAgentInvoker

public A2AClientAgentInvoker(A2AClientInstance a2AClientInstance,
 Method method)

Method Details

name

public String name()

Specified by:

name in interface AgentInstance

agentId

public String agentId()

Specified by:

agentId in interface AgentInstance

description

public String description()

Specified by:

description in interface AgentInstance

type

public Class<?> type()

Specified by:

type in interface AgentInstance

plannerType

public Class<? extends Planner> plannerType()

Specified by:

plannerType in interface AgentInstance

outputType

public Type outputType()

Specified by:

outputType in interface AgentInstance

outputKey

public String outputKey()

Specified by:

outputKey in interface AgentInstance

async

public boolean async()

Specified by:

async in interface AgentInstance

method

public Method method()

Specified by:

method in interface AgentInvoker

activationCondition

public AgentCondition activationCondition()

Description copied from interface: AgentInstance

The condition under which this agent runs when it is invoked as a subagent, or null when it always runs. When the condition is false, the agent is skipped: it is not invoked, it writes nothing to the AgenticScope and its parent's planner is notified of the skip. The condition is ignored when the agent is invoked directly, as the root of an agentic system.

The condition can be evaluated more than once for a single invocation, by the planner of the parent while selecting its next agents and again when the agent is invoked, so it must be cheap and free of side effects.

Specified by:

activationCondition in interface AgentInstance

arguments

public List<AgentArgument> arguments()

Specified by:

arguments in interface AgentInstance

subagents

public List<AgentInstance> subagents()

Specified by:

subagents in interface AgentInstance

toInvocationArguments

public AgentInvocationArguments toInvocationArguments(AgenticScope agenticScope)

Specified by:

toInvocationArguments in interface AgentInvoker

listener

public AgentListener listener()

Specified by:

listener in interface InternalAgent

topology

public AgenticSystemTopology topology()

Specified by:

topology in interface AgentInstance

parent

public AgentInstance parent()

Specified by:

parent in interface AgentInstance

setParent

public void setParent(InternalAgent parent)

Specified by:

setParent in interface InternalAgent

registerInheritedParentListener

public void registerInheritedParentListener(AgentListener parentListener)

Specified by:

registerInheritedParentListener in interface InternalAgent

appendId

public void appendId(String idSuffix)

Specified by:

appendId in interface InternalAgent