github.com/zuoyebang/bitalosdb@v1.1.1-0.20240516111551-79a8c4d8ce20/internal/vfs/syncing_fs.go (about)

     1  // Copyright 2021 The Bitalosdb author(hustxrb@163.com) and other contributors.
     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 vfs
    16  
    17  // syncingFS wraps a vfs.FS with one that wraps newly created files with
    18  // vfs.NewSyncingFile.
    19  type syncingFS struct {
    20  	FS
    21  
    22  	syncOpts SyncingFileOptions
    23  }
    24  
    25  func WithSyncingFS(fs FS, opts SyncingFileOptions) FS {
    26  	return syncingFS{
    27  		FS:       fs,
    28  		syncOpts: opts,
    29  	}
    30  }
    31  
    32  func (fs syncingFS) Create(name string) (File, error) {
    33  	f, err := fs.FS.Create(name)
    34  	if err != nil {
    35  		return nil, err
    36  	}
    37  	return NewSyncingFile(f, fs.syncOpts), nil
    38  }