github.com/m3db/m3@v1.5.1-0.20231129193456-75a402aa583b/src/dbnode/namespace/context.go (about)

     1  // Copyright (c) 2019 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 namespace
    22  
    23  import (
    24  	"github.com/m3db/m3/src/x/ident"
    25  )
    26  
    27  type Context struct {
    28  	ID     ident.ID
    29  	Schema SchemaDescr
    30  }
    31  
    32  func NewContextFrom(nsMetadata Metadata) Context {
    33  	ctx := Context{ID: nsMetadata.ID()}
    34  	if schema, ok := nsMetadata.Options().SchemaHistory().GetLatest(); ok {
    35  		ctx.Schema = schema
    36  	}
    37  	return ctx
    38  }
    39  
    40  func NewContextFor(id ident.ID, registry SchemaRegistry) Context {
    41  	ctx := Context{ID: id}
    42  	if schema, err := registry.GetLatestSchema(id); err == nil {
    43  		ctx.Schema = schema
    44  	}
    45  	return ctx
    46  }