github.com/m3db/m3@v1.5.0/src/dbnode/persist/fs/clone/options.go (about)

     1  // Copyright (c) 2018 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package clone
    22  
    23  import (
    24  	"os"
    25  
    26  	"github.com/m3db/m3/src/dbnode/persist/fs/msgpack"
    27  	"github.com/m3db/m3/src/x/pool"
    28  )
    29  
    30  const (
    31  	defaultBufferSize = 65536
    32  	defaultFileMode   = os.FileMode(0666)
    33  	defaultDirMode    = os.ModeDir | os.FileMode(0755)
    34  )
    35  
    36  type opts struct {
    37  	pool       pool.CheckedBytesPool
    38  	dOpts      msgpack.DecodingOptions
    39  	bufferSize int
    40  	fileMode   os.FileMode
    41  	dirMode    os.FileMode
    42  }
    43  
    44  // NewOptions returns the new options
    45  func NewOptions() Options {
    46  	return &opts{
    47  		pool:       nil,
    48  		dOpts:      msgpack.NewDecodingOptions(),
    49  		bufferSize: defaultBufferSize,
    50  		fileMode:   defaultFileMode,
    51  		dirMode:    defaultDirMode,
    52  	}
    53  }
    54  
    55  func (o *opts) SetBytesPool(bytesPool pool.CheckedBytesPool) Options {
    56  	o.pool = bytesPool
    57  	return o
    58  }
    59  
    60  func (o *opts) BytesPool() pool.CheckedBytesPool {
    61  	return o.pool
    62  }
    63  
    64  func (o *opts) SetDecodingOptions(decodingOpts msgpack.DecodingOptions) Options {
    65  	o.dOpts = decodingOpts
    66  	return o
    67  }
    68  
    69  func (o *opts) DecodingOptions() msgpack.DecodingOptions {
    70  	return o.dOpts
    71  }
    72  
    73  func (o *opts) SetBufferSize(b int) Options {
    74  	o.bufferSize = b
    75  	return o
    76  }
    77  
    78  func (o *opts) BufferSize() int {
    79  	return o.bufferSize
    80  }
    81  
    82  func (o *opts) SetFileMode(f os.FileMode) Options {
    83  	o.fileMode = f
    84  	return o
    85  }
    86  
    87  func (o *opts) FileMode() os.FileMode {
    88  	return o.fileMode
    89  }
    90  
    91  func (o *opts) SetDirMode(d os.FileMode) Options {
    92  	o.dirMode = d
    93  	return o
    94  }
    95  
    96  func (o *opts) DirMode() os.FileMode {
    97  	return o.dirMode
    98  }