Package org.bsc.langgraph4j

Class NodeOutput<State extends AgentState>

java.lang.Object

org.bsc.langgraph4j.NodeOutput<State>

Type Parameters:

State - the type of the state associated with the node output

All Implemented Interfaces:

HasMetadata

Direct Known Subclasses:

StateSnapshot, StreamingOutput, SubGraphOutput

public class NodeOutput<State extends AgentState>
extends Object
implements HasMetadata

Represents the output of a node in a graph.

Nested Class Summary

Nested classes/interfaces inherited from interface org.bsc.langgraph4j.HasMetadata

HasMetadata.Builder<B extends HasMetadata.Builder<B>>

Field Summary

Fields

Modifier and Type	Field	Description
protected final HasMetadata	metadataSupplier

Constructor Summary

Constructors

Constructor	Description
NodeOutput(String node, State state)
NodeOutput(String node, State state, HasMetadata metadataSupplier)
NodeOutput(NodeOutput<State> nodeOutput)

Method Summary

Modifier and Type	Method	Description
boolean	isEND()	Checks if the current node refers to the end of the graph processing.
boolean	isSTART()	Checks if the current node refers to the start of the graph processing.
Optional<Object>	metadata(String key)	return metadata value for key
Set<String>	metadataKeys()	return metadata keys
String	node()	Returns the node name.
static <State extends AgentState> NodeOutput<State>	of(String node, State state)
State	state()
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.bsc.langgraph4j.HasMetadata

metadata

Field Details

metadataSupplier

protected final transient HasMetadata metadataSupplier

Constructor Details

NodeOutput

public NodeOutput(String node,
 State state,
 HasMetadata metadataSupplier)

NodeOutput

public NodeOutput(String node,
 State state)

NodeOutput

public NodeOutput(NodeOutput<State> nodeOutput)

Method Details

of

public static <State extends AgentState>
NodeOutput<State> of(String node,
 State state)

node

public String node()

Returns the node name.

Returns:

the node name

state

public State state()

isSTART

public boolean isSTART()

Checks if the current node refers to the start of the graph processing.

Returns:

true if the current node refers to the start of the graph processing

isEND

public boolean isEND()

Checks if the current node refers to the end of the graph processing. useful to understand if the workflow has been interrupted.

Returns:

true if the current node refers to the end of the graph processing

toString

public String toString()

Overrides:

toString in class Object

metadata

public Optional<Object> metadata(String key)

Description copied from interface: HasMetadata

return metadata value for key

Specified by:

metadata in interface HasMetadata

Parameters:

key - given metadata key

Returns:

metadata value for key if any

metadataKeys

public Set<String> metadataKeys()

Description copied from interface: HasMetadata

return metadata keys

Specified by:

metadataKeys in interface HasMetadata

Returns:

metadata keys if any or empty set