Class: Sublimate::ChunkedFile

Inherits:
Object
  • Object
show all
Defined in:
lib/sublimate/chunked_file.rb

Overview

todo: This seems like it could just be IO objects that map to portions of a file

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, opts = {}) ⇒ ChunkedFile

Returns a new instance of ChunkedFile.



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# File 'lib/sublimate/chunked_file.rb', line 10

def initialize(path, opts={})
  @path = path
  @chunk_size = opts[:chunk_size] || self.class.default_chunk_size
end

Class Method Details

.default_chunk_size ⇒ Object 



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# File 'lib/sublimate/chunked_file.rb', line 4

def self.default_chunk_size
  @default_chunk_size ||= (1024 * 1024 * 500) 
end

.default_chunk_size=(v) ⇒ Object 



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# File 'lib/sublimate/chunked_file.rb', line 7

def self.default_chunk_size=(v)
  @default_chunk_size = v
end

Instance Method Details

#each_chunk ⇒ Object 



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# File 'lib/sublimate/chunked_file.rb', line 15

def each_chunk
  counter = 0
  offset = 0
  file_size = File.size(@path)
  while offset < file_size
    data = IO.read(@path, @chunk_size, offset)
    details = {:counter => counter }
    yield(data, details)
    offset += @chunk_size
    counter += 1
  end
end