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Manipulating documents

ArangoRepository.existsById

ArangoRepository.existsById(ID id) : boolean

Returns whether an entity with the given id exists.

Arguments

  • id: ID

    The id (_key) of the document. Must not be null.

Examples

@Autowired MyRepository repository;

boolean exists = repository.existsById("some-id");

ArangoRepository.findById

ArangoRepository.findById(ID id) : Optional<T>

Retrieves an entity by its id.

Arguments

  • id: ID

    The id (_key) of the document. Must not be null.

Examples

@Autowired MyRepository repository;

Optional<MyDomainClass> entity = repository.findById("some-id");

ArangoRepository.save

ArangoRepository.save(S entity) : S

Saves a given entity. Use the returned instance for further operations as the save operation might have changed the entity instance completely.

Arguments

  • entity: S

    The entity to save in the database. Must not be null.

@Autowired MyRepository repository;

MyDomainClass entity = new MyDomainClass();
entity = repository.save(entity);

ArangoRepository.deleteById

ArangoRepository.deleteById(ID id) : void

Deletes the entity with the given id.

Arguments

  • id: ID

    The id (_key) of the document. Must not be null.

Examples

@Autowired MyRepository repository;

repository.deleteById("some-id");

ArangoRepository.delete

ArangoRepository.delete(T entity) : void

Deletes a given entity.

Arguments

  • entity: T

    The entity to delete. Must not be null.

Examples

@Autowired MyRepository repository;

MyDomainClass entity = ...
repository.delete(entity);