org.springframework.cloud.gcp.data.datastore.repository

Interface DatastoreRepository<T,ID>

Type Parameters:

T - the type of the domain object

ID - the type of the ID property in the domain object

All Superinterfaces:

org.springframework.data.repository.CrudRepository<T,ID>, org.springframework.data.repository.PagingAndSortingRepository<T,ID>, org.springframework.data.repository.query.QueryByExampleExecutor<T>, org.springframework.data.repository.Repository<T,ID>

All Known Implementing Classes:

SimpleDatastoreRepository

public interface DatastoreRepository<T,ID>
extends org.springframework.data.repository.PagingAndSortingRepository<T,ID>, org.springframework.data.repository.query.QueryByExampleExecutor<T>

A PagingAndSortingRepository that provides Datastore-specific functionality.

Since:

1.1

Author:

Chengyuan Zhao

Method Summary

Modifier and Type	Method and Description
<A> A	performTransaction(Function<DatastoreRepository<T,ID>,A> operations) Performs multiple read and write operations in a single transaction.

Methods inherited from interface org.springframework.data.repository.PagingAndSortingRepository

findAll, findAll

Methods inherited from interface org.springframework.data.repository.CrudRepository

count, delete, deleteAll, deleteAll, deleteById, existsById, findAll, findAllById, findById, save, saveAll

Methods inherited from interface org.springframework.data.repository.query.QueryByExampleExecutor

count, exists, findAll, findAll, findAll, findOne

Method Detail

performTransaction

<A> A performTransaction(Function<DatastoreRepository<T,ID>,A> operations)

Performs multiple read and write operations in a single transaction.

Type Parameters:

A - the final return type of the operations.

Parameters:

operations - the function representing the operations to perform using a DatastoreRepository based on a single transaction.

Returns:

the final result of the transaction.