go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/gae/filter/txnBuf/ds.go (about)

     1  // Copyright 2015 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package txnBuf
    16  
    17  import (
    18  	"context"
    19  
    20  	ds "go.chromium.org/luci/gae/service/datastore"
    21  )
    22  
    23  type dsBuf struct {
    24  	ds.RawInterface
    25  }
    26  
    27  var _ ds.RawInterface = (*dsBuf)(nil)
    28  
    29  func (d *dsBuf) RunInTransaction(f func(context.Context) error, opts *ds.TransactionOptions) error {
    30  	return doRunInTransaction(d.RawInterface, f, opts)
    31  }
    32  
    33  func doRunInTransaction(base ds.RawInterface, f func(context.Context) error, opts *ds.TransactionOptions) error {
    34  	return base.RunInTransaction(func(ctx context.Context) error {
    35  		return withTxnBuf(ctx, f, opts)
    36  	}, opts)
    37  }