本文整理汇总了Java中com.google.datastore.v1.BeginTransactionRequest类的典型用法代码示例。如果您正苦于以下问题：Java BeginTransactionRequest类的具体用法？Java BeginTransactionRequest怎么用？Java BeginTransactionRequest使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
BeginTransactionRequest类属于com.google.datastore.v1包，在下文中一共展示了BeginTransactionRequest类的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: transactionAsync
import com.google.datastore.v1.BeginTransactionRequest; //导入依赖的package包/类
@Override
public ListenableFuture<TransactionResult> transactionAsync() {
final ListenableFuture<Response> httpResponse;
try {
final BeginTransactionRequest.Builder request = BeginTransactionRequest.newBuilder();
final ProtoHttpContent payload = new ProtoHttpContent(request.build());
httpResponse = ListenableFutureAdapter.asGuavaFuture(prepareRequest("beginTransaction", payload).execute());
} catch (final Exception e) {
return Futures.immediateFailedFuture(new DatastoreException(e));
}
return Futures.transformAsync(httpResponse, response -> {
if (!isSuccessful(response.getStatusCode())) {
throw new DatastoreException(response.getStatusCode(), response.getResponseBody());
}
final BeginTransactionResponse transaction = BeginTransactionResponse.parseFrom(streamResponse(response));
return Futures.immediateFuture(TransactionResult.build(transaction));
});
}
示例2: beginTransaction
import com.google.datastore.v1.BeginTransactionRequest; //导入依赖的package包/类
public BeginTransactionResponse beginTransaction(BeginTransactionRequest request)
throws DatastoreException {
try (InputStream is = remoteRpc.call("beginTransaction", request)) {
return BeginTransactionResponse.parseFrom(is);
} catch (IOException exception) {
throw invalidResponseException("beginTransaction", exception);
}
}
示例3: beginTransaction
import com.google.datastore.v1.BeginTransactionRequest; //导入依赖的package包/类
@Test
public void beginTransaction() throws Exception {
BeginTransactionRequest.Builder request = BeginTransactionRequest.newBuilder();
BeginTransactionResponse.Builder response = BeginTransactionResponse.newBuilder();
response.setTransaction(ByteString.copyFromUtf8("project-id"));
expectRpc("beginTransaction", request.build(), response.build());
}