github.com/m3db/m3@v1.5.0/src/query/storage/m3/consolidators/convert.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 consolidators
    22  
    23  import (
    24  	"github.com/m3db/m3/src/query/models"
    25  	"github.com/m3db/m3/src/x/ident"
    26  )
    27  
    28  // FromIdentTagIteratorToTags converts ident tags to coordinator tags.
    29  func FromIdentTagIteratorToTags(
    30  	identTags ident.TagIterator,
    31  	tagOptions models.TagOptions,
    32  ) (models.Tags, error) {
    33  	tags := models.NewTags(identTags.Remaining(), tagOptions)
    34  	for identTags.Next() {
    35  		identTag := identTags.Current()
    36  		tags = tags.AddTag(models.Tag{
    37  			Name:  identTag.Name.Bytes(),
    38  			Value: identTag.Value.Bytes(),
    39  		})
    40  	}
    41  
    42  	if err := identTags.Err(); err != nil {
    43  		return models.EmptyTags(), err
    44  	}
    45  
    46  	return tags, nil
    47  }
    48  
    49  // MustIdentTagIteratorToTags converts ident tags to coordinator tags.
    50  func MustIdentTagIteratorToTags(
    51  	identTags ident.TagIterator,
    52  	tagOptions models.TagOptions,
    53  ) models.Tags {
    54  	if tagOptions == nil {
    55  		tagOptions = models.NewTagOptions()
    56  	}
    57  	tags, err := FromIdentTagIteratorToTags(identTags, tagOptions)
    58  	if err != nil {
    59  		panic(err)
    60  	}
    61  	return tags
    62  }