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A

AstraDbChatMemoryStore - Class in dev.langchain4j.store.memory.chat.cassandra

AstraDb is a version of Cassandra running in Saas Mode.

AstraDbChatMemoryStore(String, String, String, String) - Constructor for class dev.langchain4j.store.memory.chat.cassandra.AstraDbChatMemoryStore

Constructor with default table name.

AstraDbChatMemoryStore(String, String, String, String, String) - Constructor for class dev.langchain4j.store.memory.chat.cassandra.AstraDbChatMemoryStore

Constructor with explicit table name.

AstraDbEmbeddingConfiguration - Class in dev.langchain4j.store.embedding.cassandra

Plain old Java Object (POJO) to hold the configuration for the CassandraEmbeddingStore.

AstraDbEmbeddingConfiguration() - Constructor for class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingConfiguration

AstraDbEmbeddingConfiguration.AstraDbEmbeddingConfigurationBuilder - Class in dev.langchain4j.store.embedding.cassandra

Signature for the builder.

AstraDbEmbeddingConfigurationBuilder() - Constructor for class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingConfiguration.AstraDbEmbeddingConfigurationBuilder

AstraDbEmbeddingStore - Class in dev.langchain4j.store.embedding.cassandra

Implementation of EmbeddingStore using Cassandra AstraDB.

AstraDbEmbeddingStore(AstraDbEmbeddingConfiguration) - Constructor for class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingStore

Build the store from the configuration.

AstraDbEmbeddingStore.Builder - Class in dev.langchain4j.store.embedding.cassandra

Syntax Sugar Builder.

B

build() - Method in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingStore.Builder

Building the Store.

build() - Method in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore.Builder

Building the Store.

builder() - Static method in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingConfiguration

Initialize the builder.

builder() - Static method in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingStore

Builder() - Constructor for class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingStore.Builder

Initialization

builder() - Static method in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingConfiguration

Initialize the builder.

builder() - Static method in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore

Builder() - Constructor for class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore.Builder

Initialization

C

CassandraChatMemoryStore - Class in dev.langchain4j.store.memory.chat.cassandra

Implementation of ChatMemoryStore using Astra DB Vector Search.

CassandraChatMemoryStore(CqlSession, String, String) - Constructor for class dev.langchain4j.store.memory.chat.cassandra.CassandraChatMemoryStore

Constructor for message store

CassandraChatMemoryStore(CqlSession, String) - Constructor for class dev.langchain4j.store.memory.chat.cassandra.CassandraChatMemoryStore

Constructor for message store

CassandraEmbeddingConfiguration - Class in dev.langchain4j.store.embedding.cassandra

Plain old Java Object (POJO) to hold the configuration for the CassandraEmbeddingStore.

CassandraEmbeddingConfiguration() - Constructor for class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingConfiguration

CassandraEmbeddingConfiguration.CassandraEmbeddingConfigurationBuilder - Class in dev.langchain4j.store.embedding.cassandra

Signature for the builder.

CassandraEmbeddingConfigurationBuilder() - Constructor for class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingConfiguration.CassandraEmbeddingConfigurationBuilder

CassandraEmbeddingStore - Class in dev.langchain4j.store.embedding.cassandra

Implementation of EmbeddingStore using Cassandra AstraDB.

CassandraEmbeddingStore(CassandraEmbeddingConfiguration) - Constructor for class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore

Build the store from the configuration.

CassandraEmbeddingStore.Builder - Class in dev.langchain4j.store.embedding.cassandra

Syntax Sugar Builder.

contactPoints(String...) - Method in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore.Builder

Populating cassandra contact points.

D

database(String, String) - Method in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingStore.Builder

Populating token.

DEFAULT_PORT - Static variable in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingConfiguration

Default Cassandra Port.

DEFAULT_TABLE_NAME - Static variable in class dev.langchain4j.store.memory.chat.cassandra.CassandraChatMemoryStore

Default message store.

deleteMessages(Object) - Method in class dev.langchain4j.store.memory.chat.cassandra.CassandraChatMemoryStore

dev.langchain4j.store.embedding.cassandra - package dev.langchain4j.store.embedding.cassandra

dev.langchain4j.store.memory.chat.cassandra - package dev.langchain4j.store.memory.chat.cassandra

dimension - Variable in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingConfiguration

Represents the dimension of the vector used to save the embeddings.

dimension - Variable in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingConfiguration

Represents the dimension of the model use to create the embeddings.

G

getMessages(Object) - Method in class dev.langchain4j.store.memory.chat.cassandra.CassandraChatMemoryStore

K

keyspace - Variable in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingConfiguration

Represents the workspace name where you create your tables.

keyspace - Variable in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingConfiguration

Represents the workspace name where you create your tables.

L

localDataCenter(String) - Method in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore.Builder

Populating datacenter.

P

port(int) - Method in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore.Builder

Populating cassandra port.

T

table - Variable in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingConfiguration

Represents the name of the table.

table(String, String) - Method in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingStore.Builder

Populating table name.

table - Variable in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingConfiguration

Represents the name of the table.

table(String, String) - Method in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore.Builder

Populating table name.

token(String) - Method in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingStore.Builder

Populating token.

U

updateMessages(Object, List<ChatMessage>) - Method in class dev.langchain4j.store.memory.chat.cassandra.CassandraChatMemoryStore

V

vectorDimension(int) - Method in class dev.langchain4j.store.embedding.cassandra.AstraDbEmbeddingStore.Builder

Populating model dimension.

vectorDimension(int) - Method in class dev.langchain4j.store.embedding.cassandra.CassandraEmbeddingStore.Builder

Populating model dimension.

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