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Azure CosmosDB NoSQL

https://azure.microsoft.com/en-us/products/cosmos-db/

Maven Dependency​

You can use Azure CosmosDB NoSQL with LangChain4j in plain Java or Spring Boot applications.

Plain Java​

<dependency>
    <groupId>dev.langchain4j</groupId>
    <artifactId>langchain4j-azure-cosmos-nosql</artifactId>
    <version>1.22.0-beta32</version>
</dependency>

Spring Boot​

Spring Boot 3:

<dependency>
    <groupId>dev.langchain4j</groupId>
    <artifactId>langchain4j-azure-cosmos-nosql-spring-boot-starter</artifactId>
    <version>${latest version here}</version>
</dependency>

For Spring Boot 4, use langchain4j-azure-cosmos-nosql-spring-boot4-starter instead, with the same configuration properties below.

Then configure the embedding store in your application.properties or application.yml:

langchain4j.azure.cosmos-nosql.endpoint=${AZURE_COSMOS_ENDPOINT}
langchain4j.azure.cosmos-nosql.key=${AZURE_COSMOS_KEY}
langchain4j.azure.cosmos-nosql.database-name=my-database
langchain4j.azure.cosmos-nosql.container-name=my-container
langchain4j.azure.cosmos-nosql.dimensions=1536

Set dimensions to match your embedding model. It can be omitted only when an EmbeddingModel bean is available for the starter to infer the dimensions.

The AzureCosmosDbNoSqlEmbeddingStore bean will be created automatically and can be injected:

@Autowired
AzureCosmosDbNoSqlEmbeddingStore embeddingStore;

APIs​

  • AzureCosmosDbNoSqlEmbeddingStore

Examples​