github.com/m3db/m3@v1.5.0/src/dbnode/encoding/m3tsz/decoder.go (about)

     1  // Copyright (c) 2016 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 m3tsz
    22  
    23  import (
    24  	"github.com/m3db/m3/src/dbnode/encoding"
    25  	"github.com/m3db/m3/src/dbnode/x/xio"
    26  )
    27  
    28  type decoder struct {
    29  	opts         encoding.Options
    30  	intOptimized bool
    31  }
    32  
    33  // NewDecoder creates a decoder.
    34  func NewDecoder(intOptimized bool, opts encoding.Options) encoding.Decoder {
    35  	if opts == nil {
    36  		opts = encoding.NewOptions()
    37  	}
    38  	return &decoder{opts: opts, intOptimized: intOptimized}
    39  }
    40  
    41  // Decode decodes the encoded data captured by the reader.
    42  func (dec *decoder) Decode(reader xio.Reader64) encoding.ReaderIterator {
    43  	return NewReaderIterator(reader, dec.intOptimized, dec.opts)
    44  }