Index (LangChain4j 0.35.0 API)

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

A

adapt(TokenStream) - Method in interface dev.langchain4j.spi.services.TokenStreamAdapter
add(ToolSpecification, ToolExecutor) - Method in class dev.langchain4j.service.tool.ToolProviderResult.Builder
add(Embedding) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
add(Embedding, Embedded) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
add(ChatMessage) - Method in class dev.langchain4j.memory.chat.MessageWindowChatMemory
add(ChatMessage) - Method in class dev.langchain4j.memory.chat.TokenWindowChatMemory
add(String, Embedding) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
add(String, Embedding, Embedded) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
addAll(List<Embedding>) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
addAll(List<Embedding>, List<Embedded>) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
addAll(Map<ToolSpecification, ToolExecutor>) - Method in class dev.langchain4j.service.tool.ToolProviderResult.Builder
aiServiceClass - Variable in class dev.langchain4j.service.AiServiceContext
AiServiceContext - Class in dev.langchain4j.service
AiServiceContext(Class<?>) - Constructor for class dev.langchain4j.service.AiServiceContext
AiServices<T> - Class in dev.langchain4j.service: AI Services provide a simpler and more flexible alternative to chains.
AiServices(AiServiceContext) - Constructor for class dev.langchain4j.service.AiServices
AiServicesFactory - Interface in dev.langchain4j.spi.services
AiServiceTokenStream - Class in dev.langchain4j.service
AiServiceTokenStream(List<ChatMessage>, List<ToolSpecification>, Map<String, ToolExecutor>, List<Content>, AiServiceContext, Object) - Constructor for class dev.langchain4j.service.AiServiceTokenStream

B

build() - Method in class dev.langchain4j.chain.ConversationalRetrievalChain.Builder
build() - Method in class dev.langchain4j.memory.chat.MessageWindowChatMemory.Builder
build() - Method in class dev.langchain4j.memory.chat.TokenWindowChatMemory.Builder
build() - Method in class dev.langchain4j.service.AiServices: Constructs and returns the AI Service.
build() - Method in class dev.langchain4j.service.tool.ToolExecution.Builder
build() - Method in class dev.langchain4j.service.tool.ToolProviderResult.Builder
builder() - Static method in class dev.langchain4j.chain.ConversationalRetrievalChain
builder() - Static method in class dev.langchain4j.memory.chat.MessageWindowChatMemory
builder() - Static method in class dev.langchain4j.memory.chat.TokenWindowChatMemory
builder() - Static method in class dev.langchain4j.service.tool.ToolExecution
builder() - Static method in class dev.langchain4j.service.tool.ToolProviderResult
builder(Class<T>) - Static method in class dev.langchain4j.service.AiServices: Begins the construction of an AI Service.
Builder() - Constructor for class dev.langchain4j.chain.ConversationalRetrievalChain.Builder
Builder() - Constructor for class dev.langchain4j.memory.chat.MessageWindowChatMemory.Builder
Builder() - Constructor for class dev.langchain4j.memory.chat.TokenWindowChatMemory.Builder
Builder() - Constructor for class dev.langchain4j.service.tool.ToolProviderResult.Builder

C

canAdaptTokenStreamTo(Type) - Method in interface dev.langchain4j.spi.services.TokenStreamAdapter
Chain<Input,Output> - Interface in dev.langchain4j.chain: Represents a chain step that takes an input and produces an output.
chatLanguageModel(ChatLanguageModel) - Method in class dev.langchain4j.chain.ConversationalRetrievalChain.Builder
chatLanguageModel(ChatLanguageModel) - Method in class dev.langchain4j.service.AiServices: Configures chat model that will be used under the hood of the AI Service.
chatMemories - Variable in class dev.langchain4j.service.AiServiceContext
chatMemory(ChatMemory) - Method in class dev.langchain4j.chain.ConversationalRetrievalChain.Builder
chatMemory(ChatMemory) - Method in class dev.langchain4j.service.AiServices: Configures the chat memory that will be used to preserve conversation history between method calls.
chatMemory(Object) - Method in class dev.langchain4j.service.AiServiceContext
chatMemoryId() - Method in class dev.langchain4j.service.tool.ToolProviderRequest
chatMemoryProvider - Variable in class dev.langchain4j.service.AiServiceContext
chatMemoryProvider(ChatMemoryProvider) - Method in class dev.langchain4j.service.AiServices: Configures the chat memory provider, which provides a dedicated instance of ChatMemory for each user/conversation.
ChatMemoryProvider - Interface in dev.langchain4j.memory.chat: Provides instances of ChatMemory.
chatMemoryStore(ChatMemoryStore) - Method in class dev.langchain4j.memory.chat.MessageWindowChatMemory.Builder
chatMemoryStore(ChatMemoryStore) - Method in class dev.langchain4j.memory.chat.TokenWindowChatMemory.Builder
chatModel - Variable in class dev.langchain4j.service.AiServiceContext
classify(Document) - Method in interface dev.langchain4j.classification.TextClassifier: Classify the given Document.
classify(TextSegment) - Method in interface dev.langchain4j.classification.TextClassifier: Classify the given TextSegment.
classify(String) - Method in class dev.langchain4j.classification.EmbeddingModelTextClassifier
classify(String) - Method in interface dev.langchain4j.classification.TextClassifier: Classify the given text.
clear() - Method in class dev.langchain4j.memory.chat.MessageWindowChatMemory
clear() - Method in class dev.langchain4j.memory.chat.TokenWindowChatMemory
content() - Method in class dev.langchain4j.service.Result
contentRetriever(ContentRetriever) - Method in class dev.langchain4j.chain.ConversationalRetrievalChain.Builder
contentRetriever(ContentRetriever) - Method in class dev.langchain4j.service.AiServices: Configures a content retriever to be invoked on every method call for retrieving relevant content related to the user's message from an underlying data source (e.g., an embedding store in the case of an EmbeddingStoreContentRetriever).
context - Variable in class dev.langchain4j.service.AiServices
ConversationalChain - Class in dev.langchain4j.chain: A chain for conversing with a specified ChatLanguageModel while maintaining a memory of the conversation.
ConversationalRetrievalChain - Class in dev.langchain4j.chain: A chain for conversing with a specified ChatLanguageModel based on the information retrieved by a specified ContentRetriever.
ConversationalRetrievalChain(ChatLanguageModel, ChatMemory, PromptTemplate, Retriever<TextSegment>) - Constructor for class dev.langchain4j.chain.ConversationalRetrievalChain: Deprecated.
ConversationalRetrievalChain(ChatLanguageModel, ChatMemory, ContentRetriever) - Constructor for class dev.langchain4j.chain.ConversationalRetrievalChain
ConversationalRetrievalChain(ChatLanguageModel, ChatMemory, RetrievalAugmentor) - Constructor for class dev.langchain4j.chain.ConversationalRetrievalChain
ConversationalRetrievalChain.Builder - Class in dev.langchain4j.chain
create() - Method in interface dev.langchain4j.spi.store.embedding.inmemory.InMemoryEmbeddingStoreJsonCodecFactory
create(AiServiceContext) - Method in interface dev.langchain4j.spi.services.AiServicesFactory
create(Class<T>, ChatLanguageModel) - Static method in class dev.langchain4j.service.AiServices: Creates an AI Service (an implementation of the provided interface), that is backed by the provided chat model.
create(Class<T>, StreamingChatLanguageModel) - Static method in class dev.langchain4j.service.AiServices: Creates an AI Service (an implementation of the provided interface), that is backed by the provided streaming chat model.

D

DEFAULT - Static variable in class dev.langchain4j.service.AiServices
defaultSubSplitter() - Method in class dev.langchain4j.data.document.splitter.DocumentByCharacterSplitter
defaultSubSplitter() - Method in class dev.langchain4j.data.document.splitter.DocumentByLineSplitter
defaultSubSplitter() - Method in class dev.langchain4j.data.document.splitter.DocumentByParagraphSplitter
defaultSubSplitter() - Method in class dev.langchain4j.data.document.splitter.DocumentByRegexSplitter
defaultSubSplitter() - Method in class dev.langchain4j.data.document.splitter.DocumentBySentenceSplitter
defaultSubSplitter() - Method in class dev.langchain4j.data.document.splitter.DocumentByWordSplitter
defaultSubSplitter() - Method in class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter: The default sub-splitter to use when a single segment is too long.
DefaultToolExecutor - Class in dev.langchain4j.service.tool
DefaultToolExecutor(Object, ToolExecutionRequest) - Constructor for class dev.langchain4j.service.tool.DefaultToolExecutor
DefaultToolExecutor(Object, Method) - Constructor for class dev.langchain4j.service.tool.DefaultToolExecutor
delimiter() - Element in annotation type dev.langchain4j.service.SystemMessage
delimiter() - Element in annotation type dev.langchain4j.service.UserMessage
dev.langchain4j.chain - package dev.langchain4j.chain
dev.langchain4j.classification - package dev.langchain4j.classification
dev.langchain4j.data.document.loader - package dev.langchain4j.data.document.loader
dev.langchain4j.data.document.parser - package dev.langchain4j.data.document.parser
dev.langchain4j.data.document.source - package dev.langchain4j.data.document.source
dev.langchain4j.data.document.splitter - package dev.langchain4j.data.document.splitter
dev.langchain4j.exception - package dev.langchain4j.exception
dev.langchain4j.memory.chat - package dev.langchain4j.memory.chat
dev.langchain4j.service - package dev.langchain4j.service
dev.langchain4j.service.output - package dev.langchain4j.service.output
dev.langchain4j.service.tool - package dev.langchain4j.service.tool
dev.langchain4j.spi.services - package dev.langchain4j.spi.services
dev.langchain4j.spi.store.embedding.inmemory - package dev.langchain4j.spi.store.embedding.inmemory
dev.langchain4j.store.embedding.inmemory - package dev.langchain4j.store.embedding.inmemory
DocumentByCharacterSplitter - Class in dev.langchain4j.data.document.splitter: Splits the provided Document into characters and attempts to fit as many characters as possible into a single TextSegment, adhering to the limit set by maxSegmentSize.
DocumentByCharacterSplitter(int, int) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByCharacterSplitter
DocumentByCharacterSplitter(int, int, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByCharacterSplitter
DocumentByCharacterSplitter(int, int, Tokenizer) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByCharacterSplitter
DocumentByCharacterSplitter(int, int, Tokenizer, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByCharacterSplitter
DocumentByLineSplitter - Class in dev.langchain4j.data.document.splitter: Splits the provided Document into lines and attempts to fit as many lines as possible into a single TextSegment, adhering to the limit set by maxSegmentSize.
DocumentByLineSplitter(int, int) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByLineSplitter
DocumentByLineSplitter(int, int, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByLineSplitter
DocumentByLineSplitter(int, int, Tokenizer) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByLineSplitter
DocumentByLineSplitter(int, int, Tokenizer, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByLineSplitter
DocumentByParagraphSplitter - Class in dev.langchain4j.data.document.splitter: Splits the provided Document into paragraphs and attempts to fit as many paragraphs as possible into a single TextSegment, adhering to the limit set by maxSegmentSize.
DocumentByParagraphSplitter(int, int) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByParagraphSplitter
DocumentByParagraphSplitter(int, int, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByParagraphSplitter
DocumentByParagraphSplitter(int, int, Tokenizer) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByParagraphSplitter
DocumentByParagraphSplitter(int, int, Tokenizer, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByParagraphSplitter
DocumentByRegexSplitter - Class in dev.langchain4j.data.document.splitter: Splits the provided Document into parts using the provided regex and attempts to fit as many parts as possible into a single TextSegment, adhering to the limit set by maxSegmentSize.
DocumentByRegexSplitter(String, String, int, int) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByRegexSplitter
DocumentByRegexSplitter(String, String, int, int, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByRegexSplitter
DocumentByRegexSplitter(String, String, int, int, Tokenizer) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByRegexSplitter
DocumentByRegexSplitter(String, String, int, int, Tokenizer, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByRegexSplitter
DocumentBySentenceSplitter - Class in dev.langchain4j.data.document.splitter: Splits the provided Document into sentences and attempts to fit as many sentences as possible into a single TextSegment, adhering to the limit set by maxSegmentSize.
DocumentBySentenceSplitter(int, int) - Constructor for class dev.langchain4j.data.document.splitter.DocumentBySentenceSplitter
DocumentBySentenceSplitter(int, int, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentBySentenceSplitter
DocumentBySentenceSplitter(int, int, Tokenizer) - Constructor for class dev.langchain4j.data.document.splitter.DocumentBySentenceSplitter
DocumentBySentenceSplitter(int, int, Tokenizer, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentBySentenceSplitter
DocumentByWordSplitter - Class in dev.langchain4j.data.document.splitter: Splits the provided Document into words and attempts to fit as many words as possible into a single TextSegment, adhering to the limit set by maxSegmentSize.
DocumentByWordSplitter(int, int) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByWordSplitter
DocumentByWordSplitter(int, int, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByWordSplitter
DocumentByWordSplitter(int, int, Tokenizer) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByWordSplitter
DocumentByWordSplitter(int, int, Tokenizer, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.DocumentByWordSplitter
DocumentSplitters - Class in dev.langchain4j.data.document.splitter
DocumentSplitters() - Constructor for class dev.langchain4j.data.document.splitter.DocumentSplitters

E

EmbeddingModelTextClassifier<E> - Class in dev.langchain4j.classification: A TextClassifier that uses an EmbeddingModel and predefined examples to perform classification.
EmbeddingModelTextClassifier(EmbeddingModel, Map<E, ? extends Collection<String>>) - Constructor for class dev.langchain4j.classification.EmbeddingModelTextClassifier: Creates a classifier with the default values for EmbeddingModelTextClassifier.maxResults (1), EmbeddingModelTextClassifier.minScore (0) and EmbeddingModelTextClassifier.meanToMaxScoreRatio (0.5).
EmbeddingModelTextClassifier(EmbeddingModel, Map<E, ? extends Collection<String>>, int, double, double) - Constructor for class dev.langchain4j.classification.EmbeddingModelTextClassifier: Creates a classifier.
equals(Object) - Method in class dev.langchain4j.service.tool.ToolExecution
execute(ToolExecutionRequest, Object) - Method in class dev.langchain4j.service.tool.DefaultToolExecutor
execute(ToolExecutionRequest, Object) - Method in interface dev.langchain4j.service.tool.ToolExecutor: Executes a tool requests.
execute(Input) - Method in interface dev.langchain4j.chain.Chain: Execute the chain step.
execute(String) - Method in class dev.langchain4j.chain.ConversationalChain
execute(String) - Method in class dev.langchain4j.chain.ConversationalRetrievalChain

F

FileSystemDocumentLoader - Class in dev.langchain4j.data.document.loader
FileSystemSource - Class in dev.langchain4j.data.document.source
FileSystemSource(Path) - Constructor for class dev.langchain4j.data.document.source.FileSystemSource
finishReason() - Method in class dev.langchain4j.service.Result
from(File) - Static method in class dev.langchain4j.data.document.source.FileSystemSource
from(String) - Static method in class dev.langchain4j.data.document.source.FileSystemSource
from(String) - Static method in class dev.langchain4j.data.document.source.UrlSource
from(URI) - Static method in class dev.langchain4j.data.document.source.FileSystemSource
from(URI) - Static method in class dev.langchain4j.data.document.source.UrlSource
from(URL) - Static method in class dev.langchain4j.data.document.source.UrlSource
from(Path) - Static method in class dev.langchain4j.data.document.source.FileSystemSource
fromFile(String) - Static method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
fromFile(Path) - Static method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
fromJson(String) - Method in class dev.langchain4j.store.embedding.inmemory.GsonInMemoryEmbeddingStoreJsonCodec
fromJson(String) - Static method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
fromJson(String) - Method in interface dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStoreJsonCodec
fromResource() - Element in annotation type dev.langchain4j.service.SystemMessage: The resource from which to read the prompt template.
fromResource() - Element in annotation type dev.langchain4j.service.UserMessage: The resource from which to read the prompt template.

G

get(Object) - Method in interface dev.langchain4j.memory.chat.ChatMemoryProvider: Provides an instance of ChatMemory.
getRawClass(Type) - Static method in class dev.langchain4j.service.TypeUtils
GsonInMemoryEmbeddingStoreJsonCodec - Class in dev.langchain4j.store.embedding.inmemory
GsonInMemoryEmbeddingStoreJsonCodec() - Constructor for class dev.langchain4j.store.embedding.inmemory.GsonInMemoryEmbeddingStoreJsonCodec

H

hasChatMemory() - Method in class dev.langchain4j.service.AiServiceContext
hashCode() - Method in class dev.langchain4j.service.tool.ToolExecution
HierarchicalDocumentSplitter - Class in dev.langchain4j.data.document.splitter: Base class for hierarchical document splitters.
HierarchicalDocumentSplitter(int, int) - Constructor for class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter: Creates a new instance of HierarchicalDocumentSplitter.
HierarchicalDocumentSplitter(int, int, HierarchicalDocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter: Creates a new instance of HierarchicalDocumentSplitter.
HierarchicalDocumentSplitter(int, int, Tokenizer) - Constructor for class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter: Creates a new instance of HierarchicalDocumentSplitter.
HierarchicalDocumentSplitter(int, int, Tokenizer, DocumentSplitter) - Constructor for class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter: Creates a new instance of HierarchicalDocumentSplitter.

I

id() - Method in class dev.langchain4j.memory.chat.MessageWindowChatMemory
id() - Method in class dev.langchain4j.memory.chat.TokenWindowChatMemory
id(Object) - Method in class dev.langchain4j.memory.chat.MessageWindowChatMemory.Builder
id(Object) - Method in class dev.langchain4j.memory.chat.TokenWindowChatMemory.Builder
ignoreErrors() - Method in class dev.langchain4j.service.AiServiceTokenStream
ignoreErrors() - Method in interface dev.langchain4j.service.TokenStream: All errors during streaming will be ignored (but will be logged with a WARN log level).
illegalConfiguration(String) - Static method in exception class dev.langchain4j.exception.IllegalConfigurationException
illegalConfiguration(String, Object...) - Static method in exception class dev.langchain4j.exception.IllegalConfigurationException
IllegalConfigurationException - Exception Class in dev.langchain4j.exception
IllegalConfigurationException(String) - Constructor for exception class dev.langchain4j.exception.IllegalConfigurationException
InMemoryEmbeddingStore<Embedded> - Class in dev.langchain4j.store.embedding.inmemory: An EmbeddingStore that stores embeddings in memory.
InMemoryEmbeddingStore() - Constructor for class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
InMemoryEmbeddingStoreJsonCodec - Interface in dev.langchain4j.store.embedding.inmemory
InMemoryEmbeddingStoreJsonCodecFactory - Interface in dev.langchain4j.spi.store.embedding.inmemory
inputStream() - Method in class dev.langchain4j.data.document.source.FileSystemSource
inputStream() - Method in class dev.langchain4j.data.document.source.UrlSource

J

joinDelimiter() - Method in class dev.langchain4j.data.document.splitter.DocumentByCharacterSplitter
joinDelimiter() - Method in class dev.langchain4j.data.document.splitter.DocumentByLineSplitter
joinDelimiter() - Method in class dev.langchain4j.data.document.splitter.DocumentByParagraphSplitter
joinDelimiter() - Method in class dev.langchain4j.data.document.splitter.DocumentByRegexSplitter
joinDelimiter() - Method in class dev.langchain4j.data.document.splitter.DocumentBySentenceSplitter
joinDelimiter() - Method in class dev.langchain4j.data.document.splitter.DocumentByWordSplitter
joinDelimiter() - Method in class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter: Delimiter string to use to re-join the parts.
jsonSchemaFrom(Type) - Static method in class dev.langchain4j.service.output.JsonSchemas
JsonSchemas - Class in dev.langchain4j.service.output
JsonSchemas() - Constructor for class dev.langchain4j.service.output.JsonSchemas

L

load(String, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.UrlDocumentLoader: Loads a document from the specified URL.
load(URL, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.UrlDocumentLoader: Loads a document from the specified URL.
loadDocument(String) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads a Document from the specified file path.
loadDocument(String, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads a Document from the specified file path.
loadDocument(Path) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads a Document from the specified file Path.
loadDocument(Path, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads a Document from the specified file Path.
loadDocuments(String) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads Documents from the specified directory.
loadDocuments(String, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads Documents from the specified directory.
loadDocuments(String, PathMatcher) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads matching Documents from the specified directory.
loadDocuments(String, PathMatcher, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads matching Documents from the specified directory.
loadDocuments(Path) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads Documents from the specified directory.
loadDocuments(Path, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads Documents from the specified directory.
loadDocuments(Path, PathMatcher) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads matching Documents from the specified directory.
loadDocuments(Path, PathMatcher, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Loads matching Documents from the specified directory.
loadDocumentsRecursively(String) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Recursively loads Documents from the specified directory and its subdirectories.
loadDocumentsRecursively(String, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Recursively loads Documents from the specified directory and its subdirectories.
loadDocumentsRecursively(String, PathMatcher) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Recursively loads matching Documents from the specified directory and its subdirectories.
loadDocumentsRecursively(String, PathMatcher, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Recursively loads matching Documents from the specified directory and its subdirectories.
loadDocumentsRecursively(Path) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Recursively loads Documents from the specified directory and its subdirectories.
loadDocumentsRecursively(Path, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Recursively loads Documents from the specified directory and its subdirectories.
loadDocumentsRecursively(Path, PathMatcher) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Recursively loads matching Documents from the specified directory and its subdirectories.
loadDocumentsRecursively(Path, PathMatcher, DocumentParser) - Static method in class dev.langchain4j.data.document.loader.FileSystemDocumentLoader: Recursively loads matching Documents from the specified directory and its subdirectories.

M

maxMessages(Integer) - Method in class dev.langchain4j.memory.chat.MessageWindowChatMemory.Builder
maxOverlapSize - Variable in class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter
maxSegmentSize - Variable in class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter
maxTokens(Integer, Tokenizer) - Method in class dev.langchain4j.memory.chat.TokenWindowChatMemory.Builder
MemoryId - Annotation Type in dev.langchain4j.service: The value of a method parameter annotated with @MemoryId will be used to find the memory belonging to that user/conversation.
merge(InMemoryEmbeddingStore<Embedded>, InMemoryEmbeddingStore<Embedded>) - Static method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore: Merges given InMemoryEmbeddingStores into a single InMemoryEmbeddingStore, copying all entries from each store.
merge(Collection<InMemoryEmbeddingStore<Embedded>>) - Static method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore: Merges given InMemoryEmbeddingStores into a single InMemoryEmbeddingStore, copying all entries from each store.
messages() - Method in class dev.langchain4j.memory.chat.MessageWindowChatMemory
messages() - Method in class dev.langchain4j.memory.chat.TokenWindowChatMemory
MessageWindowChatMemory - Class in dev.langchain4j.memory.chat: This chat memory operates as a sliding window of MessageWindowChatMemory.maxMessages messages.
MessageWindowChatMemory.Builder - Class in dev.langchain4j.memory.chat
metadata() - Method in class dev.langchain4j.data.document.source.FileSystemSource
metadata() - Method in class dev.langchain4j.data.document.source.UrlSource
Moderate - Annotation Type in dev.langchain4j.service: When a method in the AI Service is annotated with @Moderate, each invocation of this method will call not only the LLM, but also the moderation model (which must be provided during the construction of the AI Service) in parallel.
ModerationException - Exception Class in dev.langchain4j.service: Thrown when content moderation fails, i.e., when content is flagged by the moderation model.
ModerationException(String) - Constructor for exception class dev.langchain4j.service.ModerationException
moderationModel - Variable in class dev.langchain4j.service.AiServiceContext
moderationModel(ModerationModel) - Method in class dev.langchain4j.service.AiServices: Configures a moderation model to be used for automatic content moderation.

O

onComplete(Consumer<Response<AiMessage>>) - Method in class dev.langchain4j.service.AiServiceTokenStream
onComplete(Consumer<Response<AiMessage>>) - Method in interface dev.langchain4j.service.TokenStream: The provided consumer will be invoked when a language model finishes streaming a response.
onError(Consumer<Throwable>) - Method in class dev.langchain4j.service.AiServiceTokenStream
onError(Consumer<Throwable>) - Method in interface dev.langchain4j.service.TokenStream: The provided consumer will be invoked when an error occurs during streaming.
onNext(Consumer<String>) - Method in class dev.langchain4j.service.AiServiceTokenStream
onNext(Consumer<String>) - Method in interface dev.langchain4j.service.TokenStream: The provided consumer will be invoked every time a new token from a language model is available.
onRetrieved(Consumer<List<Content>>) - Method in class dev.langchain4j.service.AiServiceTokenStream
onRetrieved(Consumer<List<Content>>) - Method in interface dev.langchain4j.service.TokenStream: The provided consumer will be invoked when/if contents have been retrieved using RetrievalAugmentor.
outputFormatInstructions(Type) - Method in class dev.langchain4j.service.output.ServiceOutputParser

P

parse(Response<AiMessage>, Type) - Method in class dev.langchain4j.service.output.ServiceOutputParser
parse(InputStream) - Method in class dev.langchain4j.data.document.parser.TextDocumentParser
path - Variable in class dev.langchain4j.data.document.source.FileSystemSource
performBasicValidation() - Method in class dev.langchain4j.service.AiServices
promptTemplate(PromptTemplate) - Method in class dev.langchain4j.chain.ConversationalRetrievalChain.Builder: Deprecated.
provideTools(ToolProviderRequest) - Method in interface dev.langchain4j.service.tool.ToolProvider: Provides tools for the request to the LLM.

R

recursive(int, int) - Static method in class dev.langchain4j.data.document.splitter.DocumentSplitters: This is a recommended DocumentSplitter for generic text.
recursive(int, int, Tokenizer) - Static method in class dev.langchain4j.data.document.splitter.DocumentSplitters: This is a recommended DocumentSplitter for generic text.
removeAll() - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
removeAll(Filter) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
removeAll(Collection<String>) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
removeToolMessages(List<ChatMessage>) - Static method in class dev.langchain4j.service.AiServices
request() - Method in class dev.langchain4j.service.tool.ToolExecution: Returns the request of the tool execution.
request(ToolExecutionRequest) - Method in class dev.langchain4j.service.tool.ToolExecution.Builder
resolveFirstGenericParameterClass(Type) - Static method in class dev.langchain4j.service.TypeUtils
result() - Method in class dev.langchain4j.service.tool.ToolExecution: Returns the result of the tool execution.
result(String) - Method in class dev.langchain4j.service.tool.ToolExecution.Builder
Result<T> - Class in dev.langchain4j.service: Represents the result of an AI Service invocation.
Result(T, TokenUsage, List<Content>, FinishReason, List<ToolExecution>) - Constructor for class dev.langchain4j.service.Result
retrievalAugmentor - Variable in class dev.langchain4j.service.AiServiceContext
retrievalAugmentor(RetrievalAugmentor) - Method in class dev.langchain4j.chain.ConversationalRetrievalChain.Builder
retrievalAugmentor(RetrievalAugmentor) - Method in class dev.langchain4j.service.AiServices: Configures a retrieval augmentor to be invoked on every method call.
retriever(Retriever<TextSegment>) - Method in class dev.langchain4j.chain.ConversationalRetrievalChain.Builder: Deprecated.
retriever(Retriever<TextSegment>) - Method in class dev.langchain4j.service.AiServices: Deprecated.

S

search(EmbeddingSearchRequest) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
serializeToFile(String) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
serializeToFile(Path) - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
serializeToJson() - Method in class dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore
ServiceOutputParser - Class in dev.langchain4j.service.output
ServiceOutputParser() - Constructor for class dev.langchain4j.service.output.ServiceOutputParser
sources() - Method in class dev.langchain4j.service.Result
split(Document) - Method in class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter
split(String) - Method in class dev.langchain4j.data.document.splitter.DocumentByCharacterSplitter
split(String) - Method in class dev.langchain4j.data.document.splitter.DocumentByLineSplitter
split(String) - Method in class dev.langchain4j.data.document.splitter.DocumentByParagraphSplitter
split(String) - Method in class dev.langchain4j.data.document.splitter.DocumentByRegexSplitter
split(String) - Method in class dev.langchain4j.data.document.splitter.DocumentBySentenceSplitter
split(String) - Method in class dev.langchain4j.data.document.splitter.DocumentByWordSplitter
split(String) - Method in class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter: Splits the provided text into parts.
start() - Method in class dev.langchain4j.service.AiServiceTokenStream
start() - Method in interface dev.langchain4j.service.TokenStream: Completes the current token stream building and starts processing.
streamingChatLanguageModel(StreamingChatLanguageModel) - Method in class dev.langchain4j.service.AiServices: Configures streaming chat model that will be used under the hood of the AI Service.
streamingChatModel - Variable in class dev.langchain4j.service.AiServiceContext
subSplitter - Variable in class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter
SystemMessage - Annotation Type in dev.langchain4j.service: Specifies either a complete system message (prompt) or a system message template to be used each time an AI service is invoked.
systemMessageProvider - Variable in class dev.langchain4j.service.AiServiceContext
systemMessageProvider(Function<Object, String>) - Method in class dev.langchain4j.service.AiServices: Configures the system message provider, which provides a system message to be used each time an AI service is invoked.

T

TextClassifier<E> - Interface in dev.langchain4j.classification: Classifies given text according to specified enum.
TextDocumentParser - Class in dev.langchain4j.data.document.parser
TextDocumentParser() - Constructor for class dev.langchain4j.data.document.parser.TextDocumentParser
TextDocumentParser(Charset) - Constructor for class dev.langchain4j.data.document.parser.TextDocumentParser
toJson(InMemoryEmbeddingStore<?>) - Method in class dev.langchain4j.store.embedding.inmemory.GsonInMemoryEmbeddingStoreJsonCodec
toJson(InMemoryEmbeddingStore<?>) - Method in interface dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStoreJsonCodec
tokenizer - Variable in class dev.langchain4j.data.document.splitter.HierarchicalDocumentSplitter
TokenStream - Interface in dev.langchain4j.service: Represents a token stream from language model to which you can subscribe and receive updates when a new token is available, when language model finishes streaming, or when an error occurs during streaming.
TokenStreamAdapter - Interface in dev.langchain4j.spi.services
tokenUsage() - Method in class dev.langchain4j.service.Result
TokenWindowChatMemory - Class in dev.langchain4j.memory.chat: This chat memory operates as a sliding window of TokenWindowChatMemory.maxTokens tokens.
TokenWindowChatMemory.Builder - Class in dev.langchain4j.memory.chat
ToolExecution - Class in dev.langchain4j.service.tool: Represents the execution of a tool, including the request and the result.
ToolExecution.Builder - Class in dev.langchain4j.service.tool
toolExecutions() - Method in class dev.langchain4j.service.Result
ToolExecutor - Interface in dev.langchain4j.service.tool: A low-level executor/handler of a ToolExecutionRequest.
toolExecutors - Variable in class dev.langchain4j.service.AiServiceContext
toolProvider - Variable in class dev.langchain4j.service.AiServiceContext
toolProvider(ToolProvider) - Method in class dev.langchain4j.service.AiServices: Configures the tool provider that the LLM can use
ToolProvider - Interface in dev.langchain4j.service.tool: A tool provider.
ToolProviderRequest - Class in dev.langchain4j.service.tool
ToolProviderRequest(Object, UserMessage) - Constructor for class dev.langchain4j.service.tool.ToolProviderRequest
ToolProviderResult - Class in dev.langchain4j.service.tool
ToolProviderResult(Map<ToolSpecification, ToolExecutor>) - Constructor for class dev.langchain4j.service.tool.ToolProviderResult
ToolProviderResult.Builder - Class in dev.langchain4j.service.tool
tools() - Method in class dev.langchain4j.service.tool.ToolProviderResult
tools(Object...) - Method in class dev.langchain4j.service.AiServices: Configures the tools that the LLM can use.
tools(List<Object>) - Method in class dev.langchain4j.service.AiServices: Configures the tools that the LLM can use.
tools(Map<ToolSpecification, ToolExecutor>) - Method in class dev.langchain4j.service.AiServices: Configures the tools that the LLM can use.
toolSpecifications - Variable in class dev.langchain4j.service.AiServiceContext
toString() - Method in class dev.langchain4j.service.tool.ToolExecution
typeHasRawClass(Type, Class<?>) - Static method in class dev.langchain4j.service.TypeUtils
TypeUtils - Class in dev.langchain4j.service
TypeUtils() - Constructor for class dev.langchain4j.service.TypeUtils

U

UrlDocumentLoader - Class in dev.langchain4j.data.document.loader
UrlDocumentLoader() - Constructor for class dev.langchain4j.data.document.loader.UrlDocumentLoader
UrlSource - Class in dev.langchain4j.data.document.source
UrlSource(URL) - Constructor for class dev.langchain4j.data.document.source.UrlSource
userMessage() - Method in class dev.langchain4j.service.tool.ToolProviderRequest
UserMessage - Annotation Type in dev.langchain4j.service: Specifies either a complete user message or a user message template to be used each time an AI service is invoked.
UserName - Annotation Type in dev.langchain4j.service: The value of a method parameter annotated with @UserName will be injected into the field 'name' of a UserMessage.

V

V - Annotation Type in dev.langchain4j.service: When a parameter of a method in an AI Service is annotated with @V, it becomes a prompt template variable.
validateReturnTypesAreProperlyParametrized(String, Type) - Static method in class dev.langchain4j.service.TypeUtils: Ensures that no wildcard and/or parametrized types are being used as service method return type.
value() - Element in annotation type dev.langchain4j.service.SystemMessage: Prompt template can be defined in one line or multiple lines.
value() - Element in annotation type dev.langchain4j.service.UserMessage: Prompt template can be defined in one line or multiple lines.
value() - Element in annotation type dev.langchain4j.service.V: Name of a variable (placeholder) in a prompt template.
verifyModerationIfNeeded(Future<Moderation>) - Static method in class dev.langchain4j.service.AiServices

W

withMaxMessages(int) - Static method in class dev.langchain4j.memory.chat.MessageWindowChatMemory
withMaxTokens(int, Tokenizer) - Static method in class dev.langchain4j.memory.chat.TokenWindowChatMemory

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