com.google.cloud.spring.data.spanner.repository

Interface SpannerRepository<T,I>

Type Parameters:

T - the entity type of the repository

I - the id type of the entity

All Superinterfaces:

org.springframework.data.repository.CrudRepository<T,I>, org.springframework.data.repository.PagingAndSortingRepository<T,I>, org.springframework.data.repository.Repository<T,I>

All Known Implementing Classes:

SimpleSpannerRepository

public interface SpannerRepository<T,I>
extends org.springframework.data.repository.PagingAndSortingRepository<T,I>

A Spring Data repository for Cloud Spanner with specific features.

Since:

1.1

Author:

Ray Tsang, Chengyuan Zhao

Method Summary

Modifier and Type	Method and Description
SpannerOperations	getSpannerTemplate() Gets a SpannerOperations, which allows more-direct access to Google Cloud Spanner functions.
<A> A	performReadOnlyTransaction(Function<SpannerRepository<T,I>,A> operations) Performs multiple read-only operations in a single transaction.
<A> A	performReadWriteTransaction(Function<SpannerRepository<T,I>,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, deleteAllById, deleteById, existsById, findAll, findAllById, findById, save, saveAll

Method Detail

getSpannerTemplate

SpannerOperations getSpannerTemplate()

Gets a SpannerOperations, which allows more-direct access to Google Cloud Spanner functions.

Returns:

the operations object providing Cloud Spanner functions.

performReadWriteTransaction

<A> A performReadWriteTransaction(Function<SpannerRepository<T,I>,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 SpannerRepository based on a single transaction.

Returns:

the final result of the transaction.

performReadOnlyTransaction

<A> A performReadOnlyTransaction(Function<SpannerRepository<T,I>,A> operations)

Performs multiple read-only 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 SpannerRepository based on a single transaction.

Returns:

the final result of the transaction.