Index

A B C D E F G H I J L M N O P R S T U V W
All Classes and Interfaces|All Packages|Constant Field Values|Serialized Form

A

accept(T) - Method in interface org.bsc.langgraph4j.utils.TryConsumer

addConditionalEdges(String, AsyncEdgeAction<State>, Map<String, String>) - Method in class org.bsc.langgraph4j.StateGraph

Adds conditional edges to the graph.

addEdge(String, String) - Method in class org.bsc.langgraph4j.StateGraph

Adds an edge to the graph.

addNode(String, AsyncNodeAction<State>) - Method in class org.bsc.langgraph4j.StateGraph

/** Adds a node to the graph.

addNode(String, AsyncNodeActionWithConfig<State>) - Method in class org.bsc.langgraph4j.StateGraph

addSubgraph(String, CompiledGraph<State>) - Method in class org.bsc.langgraph4j.StateGraph

Adds a subgraph to the state graph by creating a node with the specified identifier.

addSubgraph(String, StateGraph<State>) - Method in class org.bsc.langgraph4j.StateGraph

Adds a subgraph to the state graph by creating a node with the specified identifier.

AgentState - Class in org.bsc.langgraph4j.state

Represents the state of an agent with a map of data.

AgentState(Map<String, Object>) - Constructor for class org.bsc.langgraph4j.state.AgentState

Constructs an AgentState with the given initial data.

AgentStateFactory<State extends AgentState> - Interface in org.bsc.langgraph4j.state

A factory interface for creating instances of AgentState.

append(Object) - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Appends a value or a collection of values to the list.

appendableValue(String) - Method in class org.bsc.langgraph4j.state.AgentState

Deprecated.

use Channel instead

AppendableValue<T> - Interface in org.bsc.langgraph4j.state

Deprecated, for removal: This API element is subject to removal in a future version.

AppendableValueRW<T> - Class in org.bsc.langgraph4j.state

Deprecated, for removal: This API element is subject to removal in a future version.

AppendableValueRW() - Constructor for class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Constructs an AppendableValueRW with an empty list of values.

AppendableValueRW(Collection<T>) - Constructor for class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Constructs an AppendableValueRW with the given initial collection of values.

AppenderChannel<T> - Class in org.bsc.langgraph4j.state

AppenderChannel is a Channel implementation that is used to accumulate a list of values.

AppenderChannel.RemoveIdentifier<T> - Interface in org.bsc.langgraph4j.state

A functional interface that is used to remove elements from a list.

appendFooter(DiagramGenerator.Context) - Method in class org.bsc.langgraph4j.diagram.MermaidGenerator

appendFooter(DiagramGenerator.Context) - Method in class org.bsc.langgraph4j.diagram.PlantUMLGenerator

appendFooter(DiagramGenerator.Context) - Method in class org.bsc.langgraph4j.DiagramGenerator

Appends a footer to the content.

appendHeader(DiagramGenerator.Context) - Method in class org.bsc.langgraph4j.diagram.MermaidGenerator

appendHeader(DiagramGenerator.Context) - Method in class org.bsc.langgraph4j.diagram.PlantUMLGenerator

appendHeader(DiagramGenerator.Context) - Method in class org.bsc.langgraph4j.DiagramGenerator

Appends a header to the output based on the provided context.

apply(S) - Method in interface org.bsc.langgraph4j.action.AsyncEdgeAction

Applies this action to the given agent state.

apply(S) - Method in interface org.bsc.langgraph4j.action.AsyncNodeAction

Applies this action to the given agent state.

apply(S) - Method in interface org.bsc.langgraph4j.action.EdgeAction

Applies this action to the given agent state.

apply(S, RunnableConfig) - Method in interface org.bsc.langgraph4j.action.AsyncNodeActionWithConfig

Applies this action to the given agent state.

apply(S, RunnableConfig) - Method in interface org.bsc.langgraph4j.action.NodeActionWithConfig

apply(T) - Method in interface org.bsc.langgraph4j.action.NodeAction

AsyncEdgeAction<S extends AgentState> - Interface in org.bsc.langgraph4j.action

Represents an asynchronous edge action that operates on an agent state and returns a new route.

AsyncNodeAction<S extends AgentState> - Interface in org.bsc.langgraph4j.action

Represents an asynchronous node action that operates on an agent state and returns state update.

AsyncNodeActionWithConfig<S extends AgentState> - Interface in org.bsc.langgraph4j.action

Represents an asynchronous action that can be executed with a configuration.

AsyncNodeGenerator(Map<String, Object>, RunnableConfig) - Constructor for class org.bsc.langgraph4j.CompiledGraph.AsyncNodeGenerator

available() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

B

BaseCheckpointSaver - Interface in org.bsc.langgraph4j.checkpoint

build() - Method in class org.bsc.langgraph4j.checkpoint.Checkpoint.Builder

build() - Method in class org.bsc.langgraph4j.CompileConfig.Builder

build() - Method in class org.bsc.langgraph4j.RunnableConfig.Builder

Constructs and returns the configured RunnableConfig object.

builder() - Static method in class org.bsc.langgraph4j.checkpoint.Checkpoint

builder() - Static method in class org.bsc.langgraph4j.CompileConfig

builder() - Static method in class org.bsc.langgraph4j.RunnableConfig

Creates a new instance of the RunnableConfig.Builder class.

builder(RunnableConfig) - Static method in class org.bsc.langgraph4j.RunnableConfig

Creates a new Builder instance with the specified RunnableConfig.

Builder() - Constructor for class org.bsc.langgraph4j.checkpoint.Checkpoint.Builder

Builder() - Constructor for class org.bsc.langgraph4j.CompileConfig.Builder

buildNodeOutput(String) - Method in class org.bsc.langgraph4j.CompiledGraph.AsyncNodeGenerator

buildStateSnapshot(Checkpoint) - Method in class org.bsc.langgraph4j.CompiledGraph.AsyncNodeGenerator

C

call(DiagramGenerator.Context, String, String) - Method in class org.bsc.langgraph4j.diagram.MermaidGenerator

call(DiagramGenerator.Context, String, String) - Method in class org.bsc.langgraph4j.diagram.PlantUMLGenerator

call(DiagramGenerator.Context, String, String) - Method in class org.bsc.langgraph4j.DiagramGenerator

This method is an abstract method that must be implemented by subclasses.

call(DiagramGenerator.Context, String, String, String) - Method in class org.bsc.langgraph4j.diagram.MermaidGenerator

call(DiagramGenerator.Context, String, String, String) - Method in class org.bsc.langgraph4j.diagram.PlantUMLGenerator

call(DiagramGenerator.Context, String, String, String) - Method in class org.bsc.langgraph4j.DiagramGenerator

Abstract method that must be implemented by subclasses to handle the logic of making a call.

Channel<T> - Interface in org.bsc.langgraph4j.state

A Channel is a mechanism used to maintain a state property.

Checkpoint - Class in org.bsc.langgraph4j.checkpoint

Represents a checkpoint of an agent state.

Checkpoint(Checkpoint) - Constructor for class org.bsc.langgraph4j.checkpoint.Checkpoint

Checkpoint.Builder - Class in org.bsc.langgraph4j.checkpoint

checkPointId() - Method in class org.bsc.langgraph4j.RunnableConfig

Returns the current checkPointId wrapped in an Optional.

checkPointId(String) - Method in class org.bsc.langgraph4j.RunnableConfig.Builder

Sets the checkpoint ID for the configuration.

checkpointSaver() - Method in class org.bsc.langgraph4j.CompileConfig

checkpointSaver(BaseCheckpointSaver) - Method in class org.bsc.langgraph4j.CompileConfig.Builder

chunk() - Method in class org.bsc.langgraph4j.streaming.StreamingOutput

clear(RunnableConfig) - Method in class org.bsc.langgraph4j.checkpoint.FileSystemSaver

Clears the checkpoint file associated with the given RunnableConfig.

cloneObject(Map<String, Object>) - Method in class org.bsc.langgraph4j.serializer.StateSerializer

cloneObject(T) - Method in interface org.bsc.langgraph4j.serializer.Serializer

close() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

CollectionsUtils - Class in org.bsc.langgraph4j.utils

Utility class for creating collections.

CollectionsUtils() - Constructor for class org.bsc.langgraph4j.utils.CollectionsUtils

commentLine(DiagramGenerator.Context, boolean) - Method in class org.bsc.langgraph4j.diagram.MermaidGenerator

commentLine(DiagramGenerator.Context, boolean) - Method in class org.bsc.langgraph4j.diagram.PlantUMLGenerator

commentLine(DiagramGenerator.Context, boolean) - Method in class org.bsc.langgraph4j.DiagramGenerator

Comment a line in the given context.

compareTo(T, int) - Method in interface org.bsc.langgraph4j.state.AppenderChannel.RemoveIdentifier

Compares the specified element with the element at the given index.

compareTo(T, int) - Method in record class org.bsc.langgraph4j.state.RemoveByHash

Compares the hash code of this object with another element at a specific index.

compile() - Method in class org.bsc.langgraph4j.StateGraph

Compiles the state graph into a compiled graph.

compile(CompileConfig) - Method in class org.bsc.langgraph4j.StateGraph

Compiles the state graph into a compiled graph.

compileConfig - Variable in class org.bsc.langgraph4j.CompiledGraph

CompileConfig - Class in org.bsc.langgraph4j

CompileConfig.Builder - Class in org.bsc.langgraph4j

CompiledGraph<State extends AgentState> - Class in org.bsc.langgraph4j

Represents a compiled graph of nodes and edges.

CompiledGraph(StateGraph<State>, CompileConfig) - Constructor for class org.bsc.langgraph4j.CompiledGraph

Constructs a CompiledGraph with the given StateGraph.

CompiledGraph.AsyncNodeGenerator<Output extends NodeOutput<State>> - Class in org.bsc.langgraph4j

Async Generator for streaming outputs.

CompiledGraph.StreamMode - Enum Class in org.bsc.langgraph4j

config() - Method in class org.bsc.langgraph4j.state.StateSnapshot

Context() - Constructor for class org.bsc.langgraph4j.DiagramGenerator.Context

D

data() - Method in class org.bsc.langgraph4j.state.AgentState

Returns an unmodifiable view of the data map.

declareConditionalEdge(DiagramGenerator.Context, int) - Method in class org.bsc.langgraph4j.diagram.MermaidGenerator

declareConditionalEdge(DiagramGenerator.Context, int) - Method in class org.bsc.langgraph4j.diagram.PlantUMLGenerator

declareConditionalEdge(DiagramGenerator.Context, int) - Method in class org.bsc.langgraph4j.DiagramGenerator

Declares a conditional edge in the context with a specified ordinal.

declareConditionalStart(DiagramGenerator.Context, String) - Method in class org.bsc.langgraph4j.diagram.MermaidGenerator

declareConditionalStart(DiagramGenerator.Context, String) - Method in class org.bsc.langgraph4j.diagram.PlantUMLGenerator

declareConditionalStart(DiagramGenerator.Context, String) - Method in class org.bsc.langgraph4j.DiagramGenerator

Declares a conditional element in the configuration or template.

declareNode(DiagramGenerator.Context, String) - Method in class org.bsc.langgraph4j.diagram.MermaidGenerator

declareNode(DiagramGenerator.Context, String) - Method in class org.bsc.langgraph4j.diagram.PlantUMLGenerator

declareNode(DiagramGenerator.Context, String) - Method in class org.bsc.langgraph4j.DiagramGenerator

Declares a node in the specified context with the given name.

DiagramGenerator - Class in org.bsc.langgraph4j

Abstract class for diagram generation.

DiagramGenerator() - Constructor for class org.bsc.langgraph4j.DiagramGenerator

DiagramGenerator.Context - Class in org.bsc.langgraph4j

Class that represents a context with various properties and methods.

E

edge_async(EdgeAction<S>) - Static method in interface org.bsc.langgraph4j.action.AsyncEdgeAction

Creates an asynchronous edge action from a synchronous edge action.

EdgeAction<S extends AgentState> - Interface in org.bsc.langgraph4j.action

Represents an edge action that operates on an agent state and returns a result.

EdgeValue<State extends AgentState> - Class in org.bsc.langgraph4j

EdgeValue() - Constructor for class org.bsc.langgraph4j.EdgeValue

END - Static variable in class org.bsc.langgraph4j.StateGraph

equals(Object) - Method in record class org.bsc.langgraph4j.state.RemoveByHash

Indicates whether some other object is "equal to" this one.

F

FileSystemSaver - Class in org.bsc.langgraph4j.checkpoint

A CheckpointSaver that stores Checkpoints in the filesystem.

FileSystemSaver(Path, StateSerializer<? extends AgentState>) - Constructor for class org.bsc.langgraph4j.checkpoint.FileSystemSaver

G

generate(StateGraph<State>, String, boolean) - Method in class org.bsc.langgraph4j.DiagramGenerator

Generate a textual representation of the given graph.

generate(StateGraph<State>, DiagramGenerator.Context) - Method in class org.bsc.langgraph4j.DiagramGenerator

Generates a context based on the given state graph.

get(RunnableConfig) - Method in interface org.bsc.langgraph4j.checkpoint.BaseCheckpointSaver

get(RunnableConfig) - Method in class org.bsc.langgraph4j.checkpoint.FileSystemSaver

get(RunnableConfig) - Method in class org.bsc.langgraph4j.checkpoint.MemorySaver

getChannels() - Method in class org.bsc.langgraph4j.StateGraph

getCheckpoints(RunnableConfig) - Method in class org.bsc.langgraph4j.checkpoint.FileSystemSaver

getCheckpoints(RunnableConfig) - Method in class org.bsc.langgraph4j.checkpoint.MemorySaver

getConfig() - Method in class org.bsc.langgraph4j.state.StateSnapshot

Deprecated.

Use StateSnapshot.config() instead.

getDefault() - Method in class org.bsc.langgraph4j.state.AppenderChannel

Returns the default provider or Optional.empty() if no default provider is set.

getDefault() - Method in interface org.bsc.langgraph4j.state.Channel

a Supplier that provide a default value.

getDefaultSerializer() - Method in class org.bsc.langgraph4j.serializer.std.SerializerMapper

getEntryPoint() - Method in class org.bsc.langgraph4j.CompiledGraph

Deprecated, for removal: This API element is subject to removal in a future version.

getEntryPoint() - Method in class org.bsc.langgraph4j.StateGraph

Deprecated, for removal: This API element is subject to removal in a future version.

getFinishPoint() - Method in class org.bsc.langgraph4j.CompiledGraph

Deprecated, for removal: This API element is subject to removal in a future version.

getFinishPoint() - Method in class org.bsc.langgraph4j.StateGraph

Deprecated, for removal: This API element is subject to removal in a future version.

getGraph(GraphRepresentation.Type) - Method in class org.bsc.langgraph4j.CompiledGraph

Generates a drawable graph representation of the state graph with default title.

getGraph(GraphRepresentation.Type, String) - Method in class org.bsc.langgraph4j.CompiledGraph

Generates a drawable graph representation of the state graph.

getGraph(GraphRepresentation.Type, String) - Method in class org.bsc.langgraph4j.StateGraph

Generates a drawable graph representation of the state graph.

getGraph(GraphRepresentation.Type, String, boolean) - Method in class org.bsc.langgraph4j.CompiledGraph

Generates a drawable graph representation of the state graph.

getGraph(GraphRepresentation.Type, String, boolean) - Method in class org.bsc.langgraph4j.StateGraph

Generates a drawable graph representation of the state graph.

getLast(LinkedList<Checkpoint>, RunnableConfig) - Method in class org.bsc.langgraph4j.checkpoint.MemorySaver

getNext() - Method in class org.bsc.langgraph4j.state.StateSnapshot

Deprecated.

Use StateSnapshot.next() instead.

getReducer() - Method in class org.bsc.langgraph4j.state.AppenderChannel

Returns an Optional containing the current reducer if it is non-null.

getReducer() - Method in interface org.bsc.langgraph4j.state.Channel

The Reducer, if provided, is invoked for each state property to compute value.

getSerializer(Class<?>) - Method in class org.bsc.langgraph4j.serializer.std.SerializerMapper

getSerializer(String) - Method in class org.bsc.langgraph4j.serializer.std.SerializerMapper

getState() - Method in class org.bsc.langgraph4j.NodeOutput

Deprecated.

Use NodeOutput.state() instead.

getState(RunnableConfig) - Method in class org.bsc.langgraph4j.CompiledGraph

Same of CompiledGraph.stateOf(RunnableConfig) but throws an IllegalStateException if checkpoint is not found.

getStateFactory() - Method in class org.bsc.langgraph4j.StateGraph

getStateHistory(RunnableConfig) - Method in class org.bsc.langgraph4j.CompiledGraph

getStateType() - Method in class org.bsc.langgraph4j.serializer.plain_text.PlainTextStateSerializer

GraphRepresentation - Class in org.bsc.langgraph4j

The graph representation in diagram-as-a-code format.

GraphRepresentation() - Constructor for class org.bsc.langgraph4j.GraphRepresentation

GraphRepresentation.Type - Enum Class in org.bsc.langgraph4j

The supported types.

GraphRunnerException - Exception in org.bsc.langgraph4j

Exception thrown when there is an error during the execution of a graph runner.

GraphRunnerException(String) - Constructor for exception org.bsc.langgraph4j.GraphRunnerException

Constructs a new GraphRunnerException with the specified error message.

GraphStateException - Exception in org.bsc.langgraph4j

Exception thrown when there is an error related to the state of a graph.

GraphStateException(String) - Constructor for exception org.bsc.langgraph4j.GraphStateException

Constructs a new GraphStateException with the specified error message.

gson - Variable in class org.bsc.langgraph4j.serializer.plain_text.gson.GsonStateSerializer

GsonStateSerializer<State extends AgentState> - Class in org.bsc.langgraph4j.serializer.plain_text.gson

Base Implementation of PlainTextStateSerializer using GSON library .

GsonStateSerializer(AgentStateFactory<State>) - Constructor for class org.bsc.langgraph4j.serializer.plain_text.gson.GsonStateSerializer

GsonStateSerializer(AgentStateFactory<State>, Gson) - Constructor for class org.bsc.langgraph4j.serializer.plain_text.gson.GsonStateSerializer

H

hashCode() - Method in record class org.bsc.langgraph4j.state.RemoveByHash

Returns a hash code value for this object.

I

id(String) - Method in class org.bsc.langgraph4j.checkpoint.Checkpoint.Builder

interruptAfter(String...) - Method in class org.bsc.langgraph4j.CompileConfig.Builder

interruptBefore(String...) - Method in class org.bsc.langgraph4j.CompileConfig.Builder

invoke(Map<String, Object>) - Method in class org.bsc.langgraph4j.CompiledGraph

Invokes the graph execution with the provided inputs and returns the final state.

invoke(Map<String, Object>, RunnableConfig) - Method in class org.bsc.langgraph4j.CompiledGraph

Invokes the graph execution with the provided inputs and returns the final state.

isEmpty() - Method in interface org.bsc.langgraph4j.state.AppendableValue

Deprecated.

Checks if the value list is empty.

isEmpty() - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Checks if the list of values is empty.

J

JacksonStateSerializer<State extends AgentState> - Class in org.bsc.langgraph4j.serializer.plain_text.jackson

Base Implementation of PlainTextStateSerializer using Jackson library.

JacksonStateSerializer(AgentStateFactory<State>, ObjectMapper) - Constructor for class org.bsc.langgraph4j.serializer.plain_text.jackson.JacksonStateSerializer

JacksonStateSerializer(AgentStateFactory<State>) - Constructor for class org.bsc.langgraph4j.serializer.plain_text.jackson.JacksonStateSerializer

L

last() - Method in interface org.bsc.langgraph4j.state.AppendableValue

Deprecated.

Returns the last value in the list, if present.

last() - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Returns the last value in the list, if present.

last(List<T>) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Returns the last value in the list, if present.

lastMessage() - Method in class org.bsc.langgraph4j.prebuilt.MessagesState

Returns the last value in the list, if present.

lastMinus(int) - Method in class org.bsc.langgraph4j.prebuilt.MessagesState

Returns the value at the specified position from the end of the list, if present.

lastMinus(int) - Method in interface org.bsc.langgraph4j.state.AppendableValue

Deprecated.

Returns the value at the specified position from the end of the list, if present.

lastMinus(int) - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Returns the value at the specified position from the end of the list, if present.

lastMinus(List<T>, int) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Returns the value at the specified position from the end of the list, if present.

list(RunnableConfig) - Method in interface org.bsc.langgraph4j.checkpoint.BaseCheckpointSaver

list(RunnableConfig) - Method in class org.bsc.langgraph4j.checkpoint.FileSystemSaver

list(RunnableConfig) - Method in class org.bsc.langgraph4j.checkpoint.MemorySaver

listOf(Class<T>) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

listOf(T...) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Creates a list containing the provided elements.

log - Static variable in interface org.bsc.langgraph4j.utils.TryConsumer

M

mapOf() - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Creates an empty map.

mapOf(K, V) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Creates a map containing a single key-value pair.

mapOf(K, V, K, V) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Creates a map containing two key-value pairs.

mapOf(K, V, K, V, K, V) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Creates a map containing three key-value pairs.

mapOf(K, V, K, V, K, V, K, V) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Creates a map containing three key-value pairs.

mapOf(K, V, K, V, K, V, K, V, K, V) - Static method in class org.bsc.langgraph4j.utils.CollectionsUtils

Creates a map containing three key-value pairs.

mapper() - Method in class org.bsc.langgraph4j.serializer.std.ObjectStreamStateSerializer

MemorySaver - Class in org.bsc.langgraph4j.checkpoint

MemorySaver() - Constructor for class org.bsc.langgraph4j.checkpoint.MemorySaver

mergeWith(Map<String, Object>, Map<String, Channel<?>>) - Method in class org.bsc.langgraph4j.state.AgentState

Deprecated.

use AgentState.updateState(AgentState, Map, Map)

MERMAID - Enum constant in enum class org.bsc.langgraph4j.GraphRepresentation.Type

A drawable graph using Mermaid syntax.

MermaidGenerator - Class in org.bsc.langgraph4j.diagram

This class represents a MermaidGenerator that extends DiagramGenerator.

MermaidGenerator() - Constructor for class org.bsc.langgraph4j.diagram.MermaidGenerator

messages() - Method in class org.bsc.langgraph4j.prebuilt.MessagesState

Retrieves the list of messages.

MessagesState<T> - Class in org.bsc.langgraph4j.prebuilt

Represents the agent's state as a collection of messages

MessagesState(Map<String, Object>) - Constructor for class org.bsc.langgraph4j.prebuilt.MessagesState

Constructs a new instance of MessagesState with the provided initial data.

MessagesStateGraph<T> - Class in org.bsc.langgraph4j.prebuilt

Represents a state graph with messages for generic type T.

MessagesStateGraph() - Constructor for class org.bsc.langgraph4j.prebuilt.MessagesStateGraph

Default constructor that initializes a new instance of MessagesStateGraph.

MessagesStateGraph(StateSerializer<MessagesState<T>>) - Constructor for class org.bsc.langgraph4j.prebuilt.MessagesStateGraph

Constructs a new instance of MessagesStateGraph.

mimeType() - Method in class org.bsc.langgraph4j.serializer.plain_text.gson.GsonStateSerializer

mimeType() - Method in class org.bsc.langgraph4j.serializer.plain_text.jackson.JacksonStateSerializer

mimeType() - Method in class org.bsc.langgraph4j.serializer.plain_text.PlainTextStateSerializer

mimeType() - Method in interface org.bsc.langgraph4j.serializer.Serializer

N

next() - Method in class org.bsc.langgraph4j.CompiledGraph.AsyncNodeGenerator

next() - Method in class org.bsc.langgraph4j.state.StateSnapshot

nextNode() - Method in class org.bsc.langgraph4j.RunnableConfig

Returns an Optional describing the next node in the sequence, or an empty Optional if there is no such node.

nextNode(String) - Method in class org.bsc.langgraph4j.RunnableConfig.Builder

Sets the next node in the configuration and returns this builder for method chaining.

nextNodeId(String) - Method in class org.bsc.langgraph4j.checkpoint.Checkpoint.Builder

node() - Method in class org.bsc.langgraph4j.NodeOutput

node_async(NodeAction<S>) - Static method in interface org.bsc.langgraph4j.action.AsyncNodeAction

Creates an asynchronous node action from a synchronous node action.

node_async(NodeActionWithConfig<S>) - Static method in interface org.bsc.langgraph4j.action.AsyncNodeActionWithConfig

Converts a synchronous NodeActionWithConfig to an asynchronous one.

NodeAction<T extends AgentState> - Interface in org.bsc.langgraph4j.action

NodeActionWithConfig<S extends AgentState> - Interface in org.bsc.langgraph4j.action

nodeId(String) - Method in class org.bsc.langgraph4j.checkpoint.Checkpoint.Builder

NodeOutput<State extends AgentState> - Class in org.bsc.langgraph4j

Represents the output of a node in a graph.

NodeOutput(String, State) - Constructor for class org.bsc.langgraph4j.NodeOutput

NullableObjectSerializer<T> - Interface in org.bsc.langgraph4j.serializer.std

O

objectInputWithMapper(ObjectInput) - Method in class org.bsc.langgraph4j.serializer.std.SerializerMapper

ObjectInputWithMapper - Class in org.bsc.langgraph4j.serializer.std

ObjectInputWithMapper(ObjectInput, SerializerMapper) - Constructor for class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

objectMapper - Variable in class org.bsc.langgraph4j.serializer.plain_text.jackson.JacksonStateSerializer

objectOutputWithMapper(ObjectOutput) - Method in class org.bsc.langgraph4j.serializer.std.SerializerMapper

ObjectStreamStateSerializer<State extends AgentState> - Class in org.bsc.langgraph4j.serializer.std

ObjectStreamStateSerializer(AgentStateFactory<State>) - Constructor for class org.bsc.langgraph4j.serializer.std.ObjectStreamStateSerializer

of(String, State) - Static method in class org.bsc.langgraph4j.NodeOutput

of(Supplier<List<T>>) - Static method in class org.bsc.langgraph4j.state.AppenderChannel

Creates an instance of `AppenderChannel` using the provided supplier to get the default list.

of(Supplier<T>) - Static method in interface org.bsc.langgraph4j.state.Channel

Creates a channel with the specified default provider.

of(AsyncNodeAction<S>) - Static method in interface org.bsc.langgraph4j.action.AsyncNodeActionWithConfig

Adapts a simple AsyncNodeAction to an AsyncNodeActionWithConfig.

of(Checkpoint, RunnableConfig, AgentStateFactory<State>) - Static method in class org.bsc.langgraph4j.state.StateSnapshot

of(Reducer<T>) - Static method in interface org.bsc.langgraph4j.state.Channel

Creates a channel with the specified Reducer.

of(Reducer<T>, Supplier<T>) - Static method in interface org.bsc.langgraph4j.state.Channel

Creates a new channel instance with the specified reducer and defaultProvider.

of(T) - Static method in record class org.bsc.langgraph4j.state.RemoveByHash

Creates a new RemoveByHash instance with the specified value.

org.bsc.langgraph4j - package org.bsc.langgraph4j

The org.bsc.langgraph4j package provides classes and interfaces for building stateful, multi-agent applications with LLMs.

org.bsc.langgraph4j.action - package org.bsc.langgraph4j.action

Provides interfaces and classes for defining actions that operate on agent states.

org.bsc.langgraph4j.checkpoint - package org.bsc.langgraph4j.checkpoint

org.bsc.langgraph4j.diagram - package org.bsc.langgraph4j.diagram

org.bsc.langgraph4j.prebuilt - package org.bsc.langgraph4j.prebuilt

org.bsc.langgraph4j.serializer - package org.bsc.langgraph4j.serializer

org.bsc.langgraph4j.serializer.plain_text - package org.bsc.langgraph4j.serializer.plain_text

org.bsc.langgraph4j.serializer.plain_text.gson - package org.bsc.langgraph4j.serializer.plain_text.gson

org.bsc.langgraph4j.serializer.plain_text.jackson - package org.bsc.langgraph4j.serializer.plain_text.jackson

org.bsc.langgraph4j.serializer.std - package org.bsc.langgraph4j.serializer.std

This package contains implementations of the Serializer interface that utilize Java's built-in serialization mechanism.

org.bsc.langgraph4j.state - package org.bsc.langgraph4j.state

Provides classes and interfaces for managing the state of agents in the langgraph4j framework.

org.bsc.langgraph4j.streaming - package org.bsc.langgraph4j.streaming

org.bsc.langgraph4j.utils - package org.bsc.langgraph4j.utils

P

PlainTextStateSerializer<State extends AgentState> - Class in org.bsc.langgraph4j.serializer.plain_text

PlainTextStateSerializer(AgentStateFactory<State>) - Constructor for class org.bsc.langgraph4j.serializer.plain_text.PlainTextStateSerializer

PLANTUML - Enum constant in enum class org.bsc.langgraph4j.GraphRepresentation.Type

A drawable graph using PlantUML syntax.

PlantUMLGenerator - Class in org.bsc.langgraph4j.diagram

PlantUMLGenerator() - Constructor for class org.bsc.langgraph4j.diagram.PlantUMLGenerator

put(RunnableConfig, Checkpoint) - Method in interface org.bsc.langgraph4j.checkpoint.BaseCheckpointSaver

put(RunnableConfig, Checkpoint) - Method in class org.bsc.langgraph4j.checkpoint.FileSystemSaver

put(RunnableConfig, Checkpoint) - Method in class org.bsc.langgraph4j.checkpoint.MemorySaver

R

read() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

read(byte[]) - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

read(byte[], int, int) - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

read(ObjectInput) - Method in class org.bsc.langgraph4j.serializer.plain_text.gson.GsonStateSerializer

read(ObjectInput) - Method in class org.bsc.langgraph4j.serializer.plain_text.jackson.JacksonStateSerializer

read(ObjectInput) - Method in interface org.bsc.langgraph4j.serializer.Serializer

read(ObjectInput) - Method in class org.bsc.langgraph4j.serializer.std.ObjectStreamStateSerializer

read(Reader) - Method in class org.bsc.langgraph4j.serializer.plain_text.PlainTextStateSerializer

read(String) - Method in class org.bsc.langgraph4j.serializer.plain_text.PlainTextStateSerializer

readBoolean() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readByte() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readChar() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readDouble() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readExternal(ObjectInput) - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

readFloat() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readFully(byte[]) - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readFully(byte[], int, int) - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readInt() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readLine() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readLong() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readNullableObject(ObjectInput) - Method in interface org.bsc.langgraph4j.serializer.std.NullableObjectSerializer

readNullableUTF(ObjectInput) - Method in interface org.bsc.langgraph4j.serializer.std.NullableObjectSerializer

readObject() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readObject(byte[]) - Method in interface org.bsc.langgraph4j.serializer.Serializer

readShort() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readUnsignedByte() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readUnsignedShort() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

readUTF() - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

Reducer<T> - Interface in org.bsc.langgraph4j.state

register(Class<?>, Serializer<?>) - Method in class org.bsc.langgraph4j.serializer.std.SerializerMapper

RemoveByHash<T> - Record Class in org.bsc.langgraph4j.state

Represents a record that implements the AppenderChannel.RemoveIdentifier<T> interface.

RemoveByHash(T) - Constructor for record class org.bsc.langgraph4j.state.RemoveByHash

Creates an instance of a RemoveByHash record class.

RunnableConfig - Class in org.bsc.langgraph4j

A final class representing configuration for a runnable task.

RunnableConfig.Builder - Class in org.bsc.langgraph4j

A builder pattern class for constructing RunnableConfig objects.

S

SCHEMA - Static variable in class org.bsc.langgraph4j.prebuilt.MessagesState

Serializer<T> - Interface in org.bsc.langgraph4j.serializer

SerializerMapper - Class in org.bsc.langgraph4j.serializer.std

SerializerMapper() - Constructor for class org.bsc.langgraph4j.serializer.std.SerializerMapper

setConditionalEntryPoint(AsyncEdgeAction<State>, Map<String, String>) - Method in class org.bsc.langgraph4j.StateGraph

Deprecated, for removal: This API element is subject to removal in a future version.

use addConditionalEdge(START, consition, mappings)

setEntryPoint(String) - Method in class org.bsc.langgraph4j.StateGraph

Deprecated, for removal: This API element is subject to removal in a future version.

use addEdge(START, nodeId)

setFinishPoint(String) - Method in class org.bsc.langgraph4j.StateGraph

Deprecated.

use use addEdge(nodeId, END)

setMaxIterations(int) - Method in class org.bsc.langgraph4j.CompiledGraph

Sets the maximum number of iterations for the graph execution.

size() - Method in interface org.bsc.langgraph4j.state.AppendableValue

Deprecated.

Returns the size of the value list.

size() - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Returns the size of the list of values.

skip(long) - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

skipBytes(int) - Method in class org.bsc.langgraph4j.serializer.std.ObjectInputWithMapper

SNAPSHOTS - Enum constant in enum class org.bsc.langgraph4j.CompiledGraph.StreamMode

START - Static variable in class org.bsc.langgraph4j.StateGraph

state() - Method in class org.bsc.langgraph4j.NodeOutput

state(Map<String, Object>) - Method in class org.bsc.langgraph4j.checkpoint.Checkpoint.Builder

state(AgentState) - Method in class org.bsc.langgraph4j.checkpoint.Checkpoint.Builder

stateFactory() - Method in class org.bsc.langgraph4j.serializer.StateSerializer

StateGraph<State extends AgentState> - Class in org.bsc.langgraph4j

Represents a state graph with nodes and edges.

StateGraph(StateSerializer<State>) - Constructor for class org.bsc.langgraph4j.StateGraph

Constructs a new StateGraph with the specified serializer.

StateGraph(Map<String, Channel<?>>, StateSerializer<State>) - Constructor for class org.bsc.langgraph4j.StateGraph

StateGraph(Map<String, Channel<?>>, AgentStateFactory<State>) - Constructor for class org.bsc.langgraph4j.StateGraph

StateGraph(AgentStateFactory<State>) - Constructor for class org.bsc.langgraph4j.StateGraph

Constructs a new StateGraph with the specified state factory.

stateOf(Map<String, Object>) - Method in class org.bsc.langgraph4j.serializer.StateSerializer

stateOf(RunnableConfig) - Method in class org.bsc.langgraph4j.CompiledGraph

Get the StateSnapshot of the given RunnableConfig.

StateSerializer<State extends AgentState> - Class in org.bsc.langgraph4j.serializer

StateSerializer(AgentStateFactory<State>) - Constructor for class org.bsc.langgraph4j.serializer.StateSerializer

StateSnapshot<State extends AgentState> - Class in org.bsc.langgraph4j.state

stream(Map<String, Object>) - Method in class org.bsc.langgraph4j.CompiledGraph

Creates an AsyncGenerator stream of NodeOutput based on the provided inputs.

stream(Map<String, Object>, RunnableConfig) - Method in class org.bsc.langgraph4j.CompiledGraph

Creates an AsyncGenerator stream of NodeOutput based on the provided inputs.

StreamingOutput<State extends AgentState> - Class in org.bsc.langgraph4j.streaming

StreamingOutput(String, String, State) - Constructor for class org.bsc.langgraph4j.streaming.StreamingOutput

streamMode() - Method in class org.bsc.langgraph4j.RunnableConfig

Returns the stream mode of the compiled graph.

streamMode(CompiledGraph.StreamMode) - Method in class org.bsc.langgraph4j.RunnableConfig.Builder

Sets the stream mode of the configuration.

streamSnapshots(Map<String, Object>, RunnableConfig) - Method in class org.bsc.langgraph4j.CompiledGraph

Creates an AsyncGenerator stream of NodeOutput based on the provided inputs.

SUBGRAPH_PREFIX - Static variable in class org.bsc.langgraph4j.diagram.MermaidGenerator

T

threadId() - Method in class org.bsc.langgraph4j.RunnableConfig

Returns the thread ID as an Optional.

threadId(String) - Method in class org.bsc.langgraph4j.RunnableConfig.Builder

Sets the ID of the thread.

titleToSnakeCase() - Method in class org.bsc.langgraph4j.DiagramGenerator.Context

Converts a given title string to snake_case format by replacing all non-alphanumeric characters with underscores.

toString() - Method in class org.bsc.langgraph4j.DiagramGenerator.Context

Returns a string representation of this object by returning the string built in DiagramGenerator.Context.sb.

toString() - Method in class org.bsc.langgraph4j.NodeOutput

toString() - Method in class org.bsc.langgraph4j.serializer.std.SerializerMapper

toString() - Method in class org.bsc.langgraph4j.state.AgentState

Returns a string representation of the agent state.

toString() - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Returns a string representation of the list of values.

toString() - Method in record class org.bsc.langgraph4j.state.RemoveByHash

Returns a string representation of this record class.

toString() - Method in class org.bsc.langgraph4j.state.StateSnapshot

toString() - Method in class org.bsc.langgraph4j.streaming.StreamingOutput

Try(TryConsumer<T, Ex>) - Static method in interface org.bsc.langgraph4j.utils.TryConsumer

tryAccept(T) - Method in interface org.bsc.langgraph4j.utils.TryConsumer

TryConsumer<T,Ex extends Throwable> - Interface in org.bsc.langgraph4j.utils

U

unregister(Class<? extends Serializer<?>>) - Method in class org.bsc.langgraph4j.serializer.std.SerializerMapper

update(String, Object, Object) - Method in class org.bsc.langgraph4j.state.AppenderChannel

Updates the value for a given key in the channel.

update(String, Object, Object) - Method in interface org.bsc.langgraph4j.state.Channel

Update the state property with the given key and returns the new value.

updateState(Map<String, Object>, Map<String, Object>, Map<String, Channel<?>>) - Static method in class org.bsc.langgraph4j.state.AgentState

Updates a state with the provided partial state.

updateState(Map<String, Object>, Map<String, Channel<?>>) - Method in class org.bsc.langgraph4j.checkpoint.Checkpoint

updateState(RunnableConfig, Map<String, Object>) - Method in class org.bsc.langgraph4j.CompiledGraph

Update the state of the graph with the given values.

updateState(RunnableConfig, Map<String, Object>, String) - Method in class org.bsc.langgraph4j.CompiledGraph

Update the state of the graph with the given values.

updateState(AgentState, Map<String, Object>, Map<String, Channel<?>>) - Static method in class org.bsc.langgraph4j.state.AgentState

Updates a state with the provided partial state.

V

value() - Method in record class org.bsc.langgraph4j.state.RemoveByHash

Returns the value of the value record component.

value(String) - Method in class org.bsc.langgraph4j.state.AgentState

Retrieves the value associated with the given key, if present.

value(String, Supplier<T>) - Method in class org.bsc.langgraph4j.state.AgentState

Deprecated.

value(String, T) - Method in class org.bsc.langgraph4j.state.AgentState

Deprecated.

This method is deprecated and may be removed in future versions.

valueOf(String) - Static method in enum class org.bsc.langgraph4j.CompiledGraph.StreamMode

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class org.bsc.langgraph4j.GraphRepresentation.Type

Returns the enum constant of this class with the specified name.

values() - Static method in enum class org.bsc.langgraph4j.CompiledGraph.StreamMode

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class org.bsc.langgraph4j.GraphRepresentation.Type

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Method in interface org.bsc.langgraph4j.state.AppendableValue

Deprecated.

Returns the list of values.

values() - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

Returns an unmodifiable list of values.

VALUES - Enum constant in enum class org.bsc.langgraph4j.CompiledGraph.StreamMode

W

withCheckPointId(String) - Method in class org.bsc.langgraph4j.RunnableConfig

Updates the checkpoint ID of the configuration.

withStreamMode(CompiledGraph.StreamMode) - Method in class org.bsc.langgraph4j.RunnableConfig

Create a new RunnableConfig with the same attributes as this one but with a different CompiledGraph.StreamMode.

write(State, ObjectOutput) - Method in class org.bsc.langgraph4j.serializer.plain_text.gson.GsonStateSerializer

write(State, ObjectOutput) - Method in class org.bsc.langgraph4j.serializer.plain_text.jackson.JacksonStateSerializer

write(State, ObjectOutput) - Method in class org.bsc.langgraph4j.serializer.std.ObjectStreamStateSerializer

write(T, ObjectOutput) - Method in interface org.bsc.langgraph4j.serializer.Serializer

writeExternal(ObjectOutput) - Method in class org.bsc.langgraph4j.state.AppendableValueRW

Deprecated.

writeNullableObject(Object, ObjectOutput) - Method in interface org.bsc.langgraph4j.serializer.std.NullableObjectSerializer

writeNullableUTF(String, ObjectOutput) - Method in interface org.bsc.langgraph4j.serializer.std.NullableObjectSerializer

writeObject(T) - Method in interface org.bsc.langgraph4j.serializer.Serializer

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