github.com/m3db/m3@v1.5.0/src/m3em/build/build.go (about)

     1  // Copyright (c) 2017 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 build
    22  
    23  import (
    24  	"github.com/m3db/m3/src/m3em/os/fs"
    25  )
    26  
    27  type svcBuild struct {
    28  	id         string
    29  	sourcePath string
    30  }
    31  
    32  func (b *svcBuild) ID() string {
    33  	return b.id
    34  }
    35  
    36  func (b *svcBuild) Iter(bufferSize int) (fs.FileReaderIter, error) {
    37  	return fs.NewSizedFileReaderIter(b.sourcePath, bufferSize)
    38  }
    39  
    40  func (b *svcBuild) SourcePath() string {
    41  	return b.sourcePath
    42  }
    43  
    44  // NewServiceBuild constructs a new ServiceBuild representing a Service build
    45  func NewServiceBuild(id string, sourcePath string) ServiceBuild {
    46  	return &svcBuild{
    47  		id:         id,
    48  		sourcePath: sourcePath,
    49  	}
    50  }
    51  
    52  type svcConfig struct {
    53  	id    string
    54  	bytes []byte
    55  }
    56  
    57  func (c *svcConfig) ID() string {
    58  	return c.id
    59  }
    60  
    61  func (c *svcConfig) Iter(_ int) (fs.FileReaderIter, error) {
    62  	bytes, err := c.Bytes()
    63  	if err != nil {
    64  		return nil, err
    65  	}
    66  	return fs.NewBytesReaderIter(bytes), nil
    67  }
    68  
    69  func (c *svcConfig) Bytes() ([]byte, error) {
    70  	return c.bytes, nil
    71  }
    72  
    73  // NewServiceConfig returns a new Service Configuration
    74  func NewServiceConfig(id string, marshalledBytes []byte) ServiceConfiguration {
    75  	return &svcConfig{
    76  		id:    id,
    77  		bytes: marshalledBytes,
    78  	}
    79  }