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F

FAIL - enum entry in dev.langchain4j.rag.query.router.LanguageModelQueryRouter.FallbackStrategy

In this case, an original exception will be re-thrown, and the RAG flow will fail.

fallbackStrategy(dev.langchain4j.rag.query.router.LanguageModelQueryRouter.FallbackStrategy) - function in dev.langchain4j.rag.query.router.LanguageModelQueryRouter.LanguageModelQueryRouterBuilder

 

fillInStackTrace() - function in java.lang.Throwable

 

filter(dev.langchain4j.store.embedding.filter.Filter) - function in dev.langchain4j.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

 

filter() - function in dev.langchain4j.store.embedding.EmbeddingSearchRequest

 

filter(dev.langchain4j.store.embedding.filter.Filter) - function in dev.langchain4j.store.embedding.EmbeddingSearchRequest.EmbeddingSearchRequestBuilder

 

Filter - class in dev.langchain4j.store.embedding.filter

This class represents a filter that can be applied during search in an EmbeddingStore.

FilterParser - class in dev.langchain4j.store.embedding.filter

Parses a filter expression string into a Filter object.

findRelevant(java.lang.String) - function in dev.langchain4j.retriever.EmbeddingStoreRetriever

Find relevant items for the given text.

findRelevant(Object,java.lang.String) - function in dev.langchain4j.retriever.Retriever

Find relevant items for the given text and memoryId.

findRelevant(Object,java.lang.String) - function in dev.langchain4j.retriever.Retriever

Find relevant items for the given text and memoryId.

findRelevant(java.lang.String) - function in dev.langchain4j.retriever.Retriever

Find relevant items for the given text.

findRelevant(dev.langchain4j.data.embedding.Embedding,int) - function in dev.langchain4j.store.embedding.EmbeddingStore

Finds the most relevant (closest in space) embeddings to the provided reference embedding.

findRelevant(dev.langchain4j.data.embedding.Embedding,int,double) - function in dev.langchain4j.store.embedding.EmbeddingStore

Finds the most relevant (closest in space) embeddings to the provided reference embedding.

findRelevant(Object,dev.langchain4j.data.embedding.Embedding,int) - function in dev.langchain4j.store.embedding.EmbeddingStore

Finds the most relevant (closest in space) embeddings to the provided reference embedding.

findRelevant(Object,dev.langchain4j.data.embedding.Embedding,int,double) - function in dev.langchain4j.store.embedding.EmbeddingStore

Finds the most relevant (closest in space) embeddings to the provided reference embedding.

finishReason() - function in dev.langchain4j.model.chat.listener.ChatModelResponse

 

finishReason(dev.langchain4j.model.output.FinishReason) - function in dev.langchain4j.model.chat.listener.ChatModelResponse.ChatModelResponseBuilder

 

finishReason() - function in dev.langchain4j.model.chat.response.ChatResponse

 

finishReason(dev.langchain4j.model.output.FinishReason) - function in dev.langchain4j.model.chat.response.ChatResponse.Builder

 

finishReason() - function in dev.langchain4j.model.chat.response.ChatResponseMetadata

 

finishReason(dev.langchain4j.model.output.FinishReason) - function in dev.langchain4j.model.chat.response.ChatResponseMetadata.Builder

 

FinishReason - class in dev.langchain4j.model.output

The reason why a model call finished.

finishReason() - function in dev.langchain4j.model.output.Response

Get the finish reason.

firstChars(java.lang.String,int) - function in dev.langchain4j.internal.Utils

Returns the first numberOfChars characters of the given string.

flagged() - function in dev.langchain4j.model.moderation.Moderation

Returns true if the text was flagged.

flagged(java.lang.String) - function in dev.langchain4j.model.moderation.Moderation

Constructs a Moderation object that is flagged.

flaggedText() - function in dev.langchain4j.model.moderation.Moderation

Returns the text that was flagged.

frequencyPenalty() - function in dev.langchain4j.model.chat.request.ChatRequestParameters

 

frequencyPenalty() - function in dev.langchain4j.model.chat.request.DefaultChatRequestParameters

 

frequencyPenalty(java.lang.Double) - function in dev.langchain4j.model.chat.request.DefaultChatRequestParameters.Builder

 

from(java.lang.String,Object) - function in dev.langchain4j.agent.tool.JsonSchemaProperty

Construct a property with key and value.

from(java.lang.String) - function in dev.langchain4j.data.document.Document

Creates a new Document from the given text.

from(java.lang.String) - function in dev.langchain4j.data.document.Document

Creates a new Document from the given text.

from(java.lang.String,dev.langchain4j.data.document.Metadata) - function in dev.langchain4j.data.document.Document

Creates a new Document from the given text.

from(java.lang.String,dev.langchain4j.data.document.Metadata) - function in dev.langchain4j.data.document.Document

Creates a new Document from the given text.

from(java.lang.String,Object) - function in dev.langchain4j.data.document.Metadata

 

from(java.lang.String,java.lang.String) - function in dev.langchain4j.data.document.Metadata

Constructs a Metadata object from a single key-value pair.

from(java.util.Map) - function in dev.langchain4j.data.document.Metadata

Constructs a Metadata object from a map of key-value pairs.

from(kotlin.Array) - function in dev.langchain4j.data.embedding.Embedding

Creates a new Embedding from the given vector.

from(java.util.List) - function in dev.langchain4j.data.embedding.Embedding

Creates a new Embedding from the given vector.

from(kotlin.Array) - function in dev.langchain4j.data.message.AiMessage

Create a new AiMessage with the given tool execution requests.

from(java.lang.String) - function in dev.langchain4j.data.message.AiMessage

Create a new AiMessage with the given text.

from(java.lang.String,java.util.List) - function in dev.langchain4j.data.message.AiMessage

Create a new AiMessage with the given text and tool execution requests.

from(java.util.List) - function in dev.langchain4j.data.message.AiMessage

Create a new AiMessage with the given tool execution requests.

from(dev.langchain4j.data.audio.Audio) - function in dev.langchain4j.data.message.AudioContent

Create a new AudioContent from the given Audio.

from(java.lang.String) - function in dev.langchain4j.data.message.AudioContent

Create a new AudioContent from the given url.

from(java.lang.String,java.lang.String) - function in dev.langchain4j.data.message.AudioContent

Create a new AudioContent from the given base64 data and mime type.

from(java.net.URI) - function in dev.langchain4j.data.message.AudioContent

Create a new AudioContent from the given url.

from(java.util.Map) - function in dev.langchain4j.data.message.CustomMessage

Creates a new custom message.

from(dev.langchain4j.data.image.Image) - function in dev.langchain4j.data.message.ImageContent

Create a new ImageContent from the given image.

from(dev.langchain4j.data.image.Image,dev.langchain4j.data.message.ImageContent.DetailLevel) - function in dev.langchain4j.data.message.ImageContent

Create a new ImageContent from the given image.

from(java.lang.String) - function in dev.langchain4j.data.message.ImageContent

Create a new ImageContent from the given url.

from(java.lang.String,dev.langchain4j.data.message.ImageContent.DetailLevel) - function in dev.langchain4j.data.message.ImageContent

Create a new ImageContent from the given url and detail level.

from(java.lang.String,java.lang.String) - function in dev.langchain4j.data.message.ImageContent

Create a new ImageContent from the given base64 data and mime type.

from(java.lang.String,java.lang.String,dev.langchain4j.data.message.ImageContent.DetailLevel) - function in dev.langchain4j.data.message.ImageContent

Create a new ImageContent from the given base64 data and mime type.

from(java.net.URI) - function in dev.langchain4j.data.message.ImageContent

Create a new ImageContent from the given url.

from(java.net.URI,dev.langchain4j.data.message.ImageContent.DetailLevel) - function in dev.langchain4j.data.message.ImageContent

Create a new ImageContent from the given url and detail level.

from(dev.langchain4j.data.pdf.PdfFile) - function in dev.langchain4j.data.message.PdfFileContent

Create a new PdfFileContent from the given PDF.

from(java.lang.String) - function in dev.langchain4j.data.message.PdfFileContent

Create a new PdfFileContent from the given url.

from(java.lang.String,java.lang.String) - function in dev.langchain4j.data.message.PdfFileContent

Create a new PdfFileContent from the given base64 data and mime type.

from(java.net.URI) - function in dev.langchain4j.data.message.PdfFileContent

Create a new PdfFileContent from the given url.

from(java.lang.String) - function in dev.langchain4j.data.message.SystemMessage

Creates a new system message.

from(java.lang.String) - function in dev.langchain4j.data.message.TextContent

Creates a new text content.

from(dev.langchain4j.data.text.TextFile) - function in dev.langchain4j.data.message.TextFileContent

Create a new TextFileContent from the given text file.

from(java.lang.String) - function in dev.langchain4j.data.message.TextFileContent

Create a new TextFileContent from the given url.

from(java.lang.String,java.lang.String) - function in dev.langchain4j.data.message.TextFileContent

Create a new TextFileContent from the given base64 data and mime type.

from(java.net.URI) - function in dev.langchain4j.data.message.TextFileContent

Create a new TextFileContent from the given url.

from(dev.langchain4j.agent.tool.ToolExecutionRequest,java.lang.String) - function in dev.langchain4j.data.message.ToolExecutionResultMessage

Creates a ToolExecutionResultMessage from a ToolExecutionRequest and the result of the tool execution.

from(java.lang.String,java.lang.String,java.lang.String) - function in dev.langchain4j.data.message.ToolExecutionResultMessage

Creates a ToolExecutionResultMessage from a ToolExecutionRequest and the result of the tool execution.

from(kotlin.Array) - function in dev.langchain4j.data.message.UserMessage

Create a UserMessage from contents.

from(java.lang.String) - function in dev.langchain4j.data.message.UserMessage

Create a UserMessage from a text.

from(java.lang.String,kotlin.Array) - function in dev.langchain4j.data.message.UserMessage

Create a UserMessage from a name and contents.

from(java.lang.String,java.lang.String) - function in dev.langchain4j.data.message.UserMessage

Create a UserMessage from a name and a text.

from(java.lang.String,java.util.List) - function in dev.langchain4j.data.message.UserMessage

Create a UserMessage from a name and contents.

from(java.util.List) - function in dev.langchain4j.data.message.UserMessage

Create a UserMessage from contents.

from(dev.langchain4j.data.video.Video) - function in dev.langchain4j.data.message.VideoContent

Create a new VideoContent from the given video.

from(java.lang.String) - function in dev.langchain4j.data.message.VideoContent

Create a new VideoContent from the given url.

from(java.lang.String,java.lang.String) - function in dev.langchain4j.data.message.VideoContent

Create a new VideoContent from the given base64 data and mime type.

from(java.net.URI) - function in dev.langchain4j.data.message.VideoContent

Create a new VideoContent from the given url.

from(java.lang.String) - function in dev.langchain4j.data.segment.TextSegment

Creates a new text segment.

from(java.lang.String,dev.langchain4j.data.document.Metadata) - function in dev.langchain4j.data.segment.TextSegment

Creates a new text segment.

from(java.lang.String) - function in dev.langchain4j.model.input.Prompt

Create a new Prompt.

from(java.lang.String) - function in dev.langchain4j.model.input.PromptTemplate

Create a new PromptTemplate.

from(T) - function in dev.langchain4j.model.output.Response

Create a new Response.

from(T,dev.langchain4j.model.output.TokenUsage) - function in dev.langchain4j.model.output.Response

Create a new Response.

from(T,dev.langchain4j.model.output.TokenUsage,dev.langchain4j.model.output.FinishReason) - function in dev.langchain4j.model.output.Response

Create a new Response.

from(T,dev.langchain4j.model.output.TokenUsage,dev.langchain4j.model.output.FinishReason,java.util.Map) - function in dev.langchain4j.model.output.Response

Create a new Response.

from(dev.langchain4j.data.segment.TextSegment) - function in dev.langchain4j.rag.content.Content

 

from(dev.langchain4j.data.segment.TextSegment) - function in dev.langchain4j.rag.content.Content

 

from(dev.langchain4j.data.segment.TextSegment,java.util.Map) - function in dev.langchain4j.rag.content.Content

 

from(dev.langchain4j.data.segment.TextSegment,java.util.Map) - function in dev.langchain4j.rag.content.Content

 

from(java.lang.String) - function in dev.langchain4j.rag.content.Content

 

from(java.lang.String) - function in dev.langchain4j.rag.content.Content

 

from(dev.langchain4j.store.embedding.EmbeddingStore) - function in dev.langchain4j.rag.content.retriever.EmbeddingStoreContentRetriever

Creates an instance of an EmbeddingStoreContentRetriever from the specified EmbeddingStore and EmbeddingModel found through SPI (see EmbeddingModelFactory).

from(dev.langchain4j.data.message.UserMessage,Object,java.util.List) - function in dev.langchain4j.rag.query.Metadata

 

from(java.lang.String) - function in dev.langchain4j.rag.query.Query

 

from(java.lang.String,dev.langchain4j.rag.query.Metadata) - function in dev.langchain4j.rag.query.Query

 

from(dev.langchain4j.store.embedding.EmbeddingStore,dev.langchain4j.model.embedding.EmbeddingModel) - function in dev.langchain4j.retriever.EmbeddingStoreRetriever

 

from(dev.langchain4j.store.embedding.EmbeddingStore,dev.langchain4j.model.embedding.EmbeddingModel,int) - function in dev.langchain4j.retriever.EmbeddingStoreRetriever

 

from(dev.langchain4j.store.embedding.EmbeddingStore,dev.langchain4j.model.embedding.EmbeddingModel,int,double) - function in dev.langchain4j.retriever.EmbeddingStoreRetriever

 

from(java.lang.Long) - function in dev.langchain4j.web.search.WebSearchInformationResult

Creates a new WebSearchInformationResult with the specified total results.

from(java.lang.Long,java.lang.Integer,java.util.Map) - function in dev.langchain4j.web.search.WebSearchInformationResult

Creates a new WebSearchInformationResult with the specified total results, page number, and metadata.

from(java.lang.String,java.net.URI) - function in dev.langchain4j.web.search.WebSearchOrganicResult

Creates a WebSearchOrganicResult object from the given title and URL.

from(java.lang.String,java.net.URI,java.lang.String,java.lang.String) - function in dev.langchain4j.web.search.WebSearchOrganicResult

Creates a WebSearchOrganicResult object from the given title, URL, snippet and/or content.

from(java.lang.String,java.net.URI,java.lang.String,java.lang.String,java.util.Map) - function in dev.langchain4j.web.search.WebSearchOrganicResult

Creates a WebSearchOrganicResult object from the given title, URL, snippet and/or content, and result metadata.

from(java.lang.String) - function in dev.langchain4j.web.search.WebSearchRequest

Create a web search request with the given search terms.

from(java.lang.String,java.lang.Integer) - function in dev.langchain4j.web.search.WebSearchRequest

Create a web search request with the given search terms and maximum number of results.

from(dev.langchain4j.web.search.WebSearchInformationResult,java.util.List) - function in dev.langchain4j.web.search.WebSearchResults

Creates a new instance of WebSearchResults from the specified parameters.

from(java.util.Map,dev.langchain4j.web.search.WebSearchInformationResult,java.util.List) - function in dev.langchain4j.web.search.WebSearchResults

Creates a new instance of WebSearchResults from the specified parameters.

from(dev.langchain4j.web.search.WebSearchEngine) - function in dev.langchain4j.web.search.WebSearchTool

Creates a new WebSearchTool with the specified web search engine.

fromCosineSimilarity(double) - function in dev.langchain4j.store.embedding.RelevanceScore

Converts cosine similarity into relevance score.

fromJson(java.lang.String,java.lang.Class) - function in dev.langchain4j.internal.Json

Convert the given JSON string to an object of the given class.

fromJson(java.lang.String,java.lang.reflect.Type) - function in dev.langchain4j.internal.Json

Convert the given JSON string to an object of the given type.

fromJson(java.lang.String,java.lang.Class) - function in dev.langchain4j.internal.Json.JsonCodec

Convert the given JSON string to an object of the given class.

fromJson(java.lang.String,java.lang.reflect.Type) - function in dev.langchain4j.internal.Json.JsonCodec

Convert the given JSON string to an object of the given type.

fromRelevanceScore(double) - function in dev.langchain4j.store.embedding.CosineSimilarity

Converts relevance score into cosine similarity.

fuse(java.util.Collection) - function in dev.langchain4j.rag.content.aggregator.ReciprocalRankFuser

Fuses multiple List<Content> into a single List<Content> using the Reciprocal Rank Fusion (RRF) algorithm with k=60.

fuse(java.util.Collection,int) - function in dev.langchain4j.rag.content.aggregator.ReciprocalRankFuser

Fuses multiple List<Content> into a single List<Content> using the Reciprocal Rank Fusion (RRF) algorithm.

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