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

     1  // Copyright (c) 2020 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 migration
    22  
    23  import (
    24  	"errors"
    25  
    26  	"github.com/m3db/m3/src/dbnode/namespace"
    27  	"github.com/m3db/m3/src/dbnode/persist"
    28  	"github.com/m3db/m3/src/dbnode/persist/fs"
    29  	"github.com/m3db/m3/src/dbnode/storage"
    30  )
    31  
    32  var (
    33  	errNewMergerFnNotSet       = errors.New("newMergerFn not set")
    34  	errNamespaceMetadataNotSet = errors.New("namespaceMetadata not set")
    35  	errPersistManagerNotSet    = errors.New("persistManager not set")
    36  	errStorageOptionsNotSet    = errors.New("storageOptions not set")
    37  	errFilesystemOptionsNotSet = errors.New("filesystemOptions not set")
    38  )
    39  
    40  type taskOptions struct {
    41  	newMergerFn       fs.NewMergerFn
    42  	infoFileResult    fs.ReadInfoFileResult
    43  	shard             uint32
    44  	namespaceMetadata namespace.Metadata
    45  	persistManager    persist.Manager
    46  	storageOptions    storage.Options
    47  	fsOpts            fs.Options
    48  }
    49  
    50  // NewTaskOptions creates new taskOptions.
    51  func NewTaskOptions() TaskOptions {
    52  	return &taskOptions{
    53  		newMergerFn: fs.NewMerger,
    54  	}
    55  }
    56  
    57  func (t *taskOptions) Validate() error {
    58  	if t.storageOptions == nil {
    59  		return errStorageOptionsNotSet
    60  	}
    61  	if err := t.storageOptions.Validate(); err != nil {
    62  		return err
    63  	}
    64  	if t.newMergerFn == nil {
    65  		return errNewMergerFnNotSet
    66  	}
    67  	if t.infoFileResult.Err != nil && t.infoFileResult.Err.Error() != nil {
    68  		return t.infoFileResult.Err.Error()
    69  	}
    70  	if t.namespaceMetadata == nil {
    71  		return errNamespaceMetadataNotSet
    72  	}
    73  	if t.persistManager == nil {
    74  		return errPersistManagerNotSet
    75  	}
    76  	if t.fsOpts == nil {
    77  		return errFilesystemOptionsNotSet
    78  	}
    79  	if err := t.fsOpts.Validate(); err != nil {
    80  		return err
    81  	}
    82  
    83  	return nil
    84  }
    85  
    86  func (t *taskOptions) SetNewMergerFn(value fs.NewMergerFn) TaskOptions {
    87  	to := *t
    88  	to.newMergerFn = value
    89  	return &to
    90  }
    91  
    92  func (t *taskOptions) NewMergerFn() fs.NewMergerFn {
    93  	return t.newMergerFn
    94  }
    95  
    96  func (t *taskOptions) SetInfoFileResult(value fs.ReadInfoFileResult) TaskOptions {
    97  	to := *t
    98  	to.infoFileResult = value
    99  	return &to
   100  }
   101  
   102  func (t *taskOptions) InfoFileResult() fs.ReadInfoFileResult {
   103  	return t.infoFileResult
   104  }
   105  
   106  func (t *taskOptions) SetShard(value uint32) TaskOptions {
   107  	to := *t
   108  	to.shard = value
   109  	return &to
   110  }
   111  
   112  func (t *taskOptions) Shard() uint32 {
   113  	return t.shard
   114  }
   115  
   116  func (t *taskOptions) SetNamespaceMetadata(value namespace.Metadata) TaskOptions {
   117  	to := *t
   118  	to.namespaceMetadata = value
   119  	return &to
   120  }
   121  
   122  func (t *taskOptions) NamespaceMetadata() namespace.Metadata {
   123  	return t.namespaceMetadata
   124  }
   125  
   126  func (t *taskOptions) SetPersistManager(value persist.Manager) TaskOptions {
   127  	to := *t
   128  	to.persistManager = value
   129  	return &to
   130  }
   131  
   132  func (t *taskOptions) PersistManager() persist.Manager {
   133  	return t.persistManager
   134  }
   135  
   136  func (t *taskOptions) SetStorageOptions(value storage.Options) TaskOptions {
   137  	to := *t
   138  	to.storageOptions = value
   139  	return &to
   140  }
   141  
   142  func (t *taskOptions) StorageOptions() storage.Options {
   143  	return t.storageOptions
   144  }
   145  
   146  func (t *taskOptions) SetFilesystemOptions(value fs.Options) TaskOptions {
   147  	to := *t
   148  	to.fsOpts = value
   149  	return &to
   150  }
   151  
   152  func (t *taskOptions) FilesystemOptions() fs.Options {
   153  	return t.fsOpts
   154  }