Constant Field Values

dev.langchain4j.*

dev.langchain4j.agent.tool.P

Modifier and Type	Constant Field	Value
public static final String	NO_DEFAULT	"\u0000__LANGCHAIN4J_NO_DEFAULT__\u0000"

dev.langchain4j.agent.tool.ToolSpecification

Modifier and Type	Constant Field	Value
public static final String	METADATA_SEARCH_BEHAVIOR	"searchBehavior"

dev.langchain4j.agentic.internal.AgentUtil

Modifier and Type	Constant Field	Value
public static final String	AGENTIC_SCOPE_ARG_NAME	"@AgenticScope"
public static final String	LOOP_COUNTER_ARG_NAME	"@LoopCounter"
public static final String	MEMORY_ID_ARG_NAME	"@MemoryId"

dev.langchain4j.agentic.patterns.p2p.P2PAgent

Modifier and Type	Constant Field	Value
public static final String	P2P_REQUEST_KEY	"p2pRequest"

dev.langchain4j.agentic.supervisor.SupervisorPlanner

Modifier and Type	Constant Field	Value
public static final String	SUPERVISOR_CONTEXT_KEY	"supervisorContext"
public static final String	SUPERVISOR_CONTEXT_PREFIX	"Use the following supervisor context to better understand constraints, policies or preferences when creating the plan "

dev.langchain4j.agentic.workflow.impl.ParallelMapperServiceImpl<T>

Modifier and Type	Constant Field	Value
public static final String	SERVICE_TYPE	"ParallelMapper"

dev.langchain4j.code.judge0.Judge0JavaScriptExecutionTool

Modifier and Type	Constant Field	Value
public static final int	JAVASCRIPT	102

dev.langchain4j.data.document.Document

Modifier and Type	Constant Field	Value
public static final String	ABSOLUTE_DIRECTORY_PATH	"absolute_directory_path"
public static final String	FILE_NAME	"file_name"
public static final String	URL	"url"

dev.langchain4j.data.document.source.amazon.s3.AmazonS3Source

Modifier and Type	Constant Field	Value
public static final String	SOURCE	"source"

dev.langchain4j.data.document.source.azure.storage.blob.AzureBlobStorageSource

Modifier and Type	Constant Field	Value
public static final String	SOURCE	"source"

dev.langchain4j.data.document.source.tencent.cos.TencentCosSource

Modifier and Type	Constant Field	Value
public static final String	SOURCE	"source"

dev.langchain4j.data.message.AiMessage

Modifier and Type	Constant Field	Value
public static final String	GENERATED_IMAGES_KEY	"generated_images"

dev.langchain4j.guardrail.JsonExtractorOutputGuardrail<T>

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_REPROMPT_MESSAGE	"Invalid JSON"
public static final String	DEFAULT_REPROMPT_PROMPT	"Make sure you return a valid JSON object following the specified format"

dev.langchain4j.guardrail.OutputGuardrailExecutor

Modifier and Type	Constant Field	Value
public static final String	MAX_RETRIES_MESSAGE_TEMPLATE	"Output validation failed. The guardrails have reached the maximum number of retries.\nGuardrail messages:\n\n%s\n"

dev.langchain4j.guardrail.config.OutputGuardrailsConfig

Modifier and Type	Constant Field	Value
public static final int	MAX_RETRIES_DEFAULT	2

dev.langchain4j.guardrails.JsonExtractorOutputGuardrail<T>

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_REPROMPT_MESSAGE	"Invalid JSON"
public static final String	DEFAULT_REPROMPT_PROMPT	"Make sure you return a valid JSON object following the specified format"

dev.langchain4j.internal.PolymorphicTypes

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_DISCRIMINATOR_PROPERTY	"type"

dev.langchain4j.mcp.client.McpToolMetadataKeys

Modifier and Type	Constant Field	Value
public static final String	DESTRUCTIVE_HINT	"destructiveHint"
public static final String	ICONS	"icons"
public static final String	IDEMPOTENT_HINT	"idempotentHint"
public static final String	OPEN_WORLD_HINT	"openWorldHint"
public static final String	OUTPUT_SCHEMA	"outputSchema"
public static final String	READ_ONLY_HINT	"readOnlyHint"
public static final String	TITLE	"title"
public static final String	TITLE_ANNOTATION	"title-annotation"

dev.langchain4j.mcp.client.logging.McpLoggers

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_TRAFFIC_LOGGER_NAME	"MCP"

dev.langchain4j.mcp.protocol.McpJsonRpcMessage

Modifier and Type	Constant Field	Value
public final String	jsonrpc	"2.0"

dev.langchain4j.mcp.resourcesastools.DefaultMcpResourcesAsToolsPresenter

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_DESCRIPTION_OF_GET_RESOURCE_TOOL	"Retrieves a resource identified by the MCP server name and the resource URI.The \'list_resources\' tool should be called before this one to obtain the list."
public static final String	DEFAULT_DESCRIPTION_OF_LIST_RESOURCES_TOOL	"Lists all available resources."
public static final String	DEFAULT_DESCRIPTION_OF_MCP_SERVER_PARAMETER_OF_GET_RESOURCE_TOOL	"The name of the MCP server to get the resource from."
public static final String	DEFAULT_DESCRIPTION_OF_URI_PARAMETER_OF_GET_RESOURCE_TOOL	"The URI of the resource to get."
public static final String	DEFAULT_NAME_OF_GET_RESOURCE_TOOL	"get_resource"
public static final String	DEFAULT_NAME_OF_LIST_RESOURCES_TOOL	"list_resources"

dev.langchain4j.model.anthropic.internal.mapper.AnthropicMapper

Modifier and Type	Constant Field	Value
public static final String	CACHE_CONTROL	"cache_control"
public static final String	REDACTED_THINKING_KEY	"redacted_thinking"
public static final String	SERVER_TOOL_RESULTS_KEY	"server_tool_results"
public static final String	THINKING_SIGNATURE_KEY	"thinking_signature"

dev.langchain4j.model.bedrock.BedrockSystemMessage

Modifier and Type	Constant Field	Value
public static final int	MAX_CACHE_POINTS	4
public static final int	MAX_CONTENT_BLOCKS	10

dev.langchain4j.model.bedrock.BedrockSystemTextContent

Modifier and Type	Constant Field	Value
public static final int	MAX_TEXT_LENGTH	1000000

dev.langchain4j.model.huggingface.HuggingFaceModelName

Modifier and Type	Constant Field	Value
public static final String	MICROSOFT_PHI3_MINI_4K_INSTRUCT	"microsoft/Phi-3-mini-4k-instruct"
public static final String	SENTENCE_TRANSFORMERS_ALL_MINI_LM_L6_V2	"sentence-transformers/all-MiniLM-L6-v2"
public static final String	TII_UAE_FALCON_7B_INSTRUCT	"tiiuae/falcon-7b-instruct"

dev.langchain4j.model.openai.internal.OpenAiUtils

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_OPENAI_URL	"https://api.openai.com/v1"
public static final String	DEFAULT_USER_AGENT	"langchain4j-openai"

dev.langchain4j.model.vertexai.anthropic.internal.Constants

Modifier and Type	Constant Field	Value
public static final String	ANTHROPIC_VERSION	"vertex-2023-10-16"
public static final String	ASSISTANT_ROLE	"assistant"
public static final int	DEFAULT_MAX_TOKENS	4096
public static final String	EXCEPTION_IN_LISTENER	"Exception in listener"
public static final String	IMAGE_CONTENT_TYPE	"image"
public static final int	SUBSTANTIAL_CONTENT_THRESHOLD	100
public static final String	TEXT_CONTENT_TYPE	"text"
public static final String	TOOL_RESULT_CONTENT_TYPE	"tool_result"
public static final String	TOOL_USE_CONTENT_TYPE	"tool_use"
public static final String	USER_ROLE	"user"

dev.langchain4j.observation.convention.DefaultChatModelConvention

Modifier and Type	Constant Field	Value
public static final String	OPERATION_VALUE_CHAT	"chat"

dev.langchain4j.rag.content.retriever.EmbeddingStoreContentRetriever

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_DISPLAY_NAME	"Default"

dev.langchain4j.rag.query.transformer.ExpandingQueryTransformer

Modifier and Type	Constant Field	Value
public static final int	DEFAULT_N	3

dev.langchain4j.service.memory.ChatMemoryService

Modifier and Type	Constant Field	Value
public static final String	DEFAULT	"default"

dev.langchain4j.store.embedding.CosineSimilarity

Modifier and Type	Constant Field	Value
public static final float	EPSILON	9.99999993922529E-9f

dev.langchain4j.store.embedding.astradb.AstraDbEmbeddingStore

Modifier and Type	Constant Field	Value
public static final String	KEY_ATTRIBUTES_BLOB	"body_blob"
public static final String	KEY_SIMILARITY	"$similarity"

dev.langchain4j.store.embedding.azure.cosmos.nosql.AbstractAzureCosmosDBNoSqlEmbeddingStore

Modifier and Type	Constant Field	Value
protected static final String	DEFAULT_CONTAINER_NAME	"default_container"
protected static final String	DEFAULT_DATABASE_NAME	"default_db"
protected static final String	DEFAULT_PARTITION_KEY_PATH	"/id"
protected static final String	USER_AGENT	"LangChain4J-CDBNoSql-VectorStore-Java"

dev.langchain4j.store.embedding.azure.search.AbstractAzureAiSearchEmbeddingStore

Modifier and Type	Constant Field	Value
protected static final String	DEFAULT_FIELD_CONTENT	"content"
protected final String	DEFAULT_FIELD_CONTENT_VECTOR	"content_vector"
protected static final String	DEFAULT_FIELD_METADATA	"metadata"
protected static final String	DEFAULT_FIELD_METADATA_ATTRS	"attributes"
protected static final String	DEFAULT_FIELD_METADATA_SOURCE	"source"
public static final String	DEFAULT_INDEX_NAME	"vectorsearch"
protected static final String	SEMANTIC_SEARCH_CONFIG_NAME	"semantic-search-config"
protected static final String	VECTOR_ALGORITHM_NAME	"vector-search-algorithm"
protected static final String	VECTOR_SEARCH_PROFILE_NAME	"vector-search-profile"

dev.langchain4j.store.embedding.coherence.CoherenceEmbeddingStore

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_MAP_NAME	"documentChunks"

dev.langchain4j.store.embedding.elasticsearch.ElasticsearchConfiguration

Modifier and Type	Constant Field	Value
public static final String	TEXT_FIELD	"text"
public static final String	VECTOR_FIELD	"vector"

dev.langchain4j.store.embedding.infinispan.InfinispanStoreConfiguration

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_CACHE_CONFIG	"<distributed-cache name=\"CACHE_NAME\">\n<indexing storage=\"local-heap\">\n<indexed-entities>\n<indexed-entity>LANGCHAINITEM</indexed-entity>\n</indexed-entities>\n</indexing>\n</distributed-cache>"
public static final int	DEFAULT_DISTANCE	3
public static final String	DEFAULT_ITEM_PACKAGE	"dev.langchain4j"
public static final String	DEFAULT_LANGCHAIN_ITEM	"LangChainItem"
public static final String	DEFAULT_METADATA_ITEM	"LangChainMetadata"
public static final String	DEFAULT_SIMILARITY	"COSINE"

dev.langchain4j.store.embedding.mariadb.MariaDbEmbeddingStore

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_COLUMN_CONTENT	"content"
public static final String	DEFAULT_COLUMN_EMBEDDING	"embedding"
public static final String	DEFAULT_COLUMN_ID	"id"
public static final String	DEFAULT_TABLE_NAME	"vector_store"

dev.langchain4j.store.memory.azure.cosmos.nosql.AzureCosmosDBNoSqlMemoryStore

Modifier and Type	Constant Field	Value
protected static final String	DEFAULT_CONTAINER_NAME	"default_container"
protected static final String	DEFAULT_DATABASE_NAME	"default_db"
protected static final String	DEFAULT_PARTITION_KEY_PATH	"/id"
protected static final String	USER_AGENT	"LangChain4J-CDBNoSql-MemoryStore-Java"

dev.langchain4j.store.memory.chat.cassandra.CassandraChatMemoryStore

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_TABLE_NAME	"message_store"

dev.langchain4j.store.memory.chat.coherence.CoherenceChatMemoryStore

Modifier and Type	Constant Field	Value
public static final String	DEFAULT_MAP_NAME	"chatMemory"