Class: Grably::Digest::ProductDigest

Inherits:
Object
  • Object
show all
Defined in:
lib/grably/core/digest.rb

Overview

Describes product state. If two digests for same file differs assume file changed

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(product, mtime:, size:, md5:) ⇒ ProductDigest

Returns a new instance of ProductDigest.



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# File 'lib/grably/core/digest.rb', line 13

def initialize(product, mtime:, size:, md5:)
  @product = product
  @mtime = mtime
  @size = size
  @md5 = md5
end

Instance Attribute Details

#md5 ⇒ Object (readonly)

Returns the value of attribute md5.



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# File 'lib/grably/core/digest.rb', line 11

def md5
  @md5
end

#mtime ⇒ Object (readonly)

Returns the value of attribute mtime.



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# File 'lib/grably/core/digest.rb', line 11

def mtime
  @mtime
end

#product ⇒ Object (readonly)

Returns the value of attribute product.



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# File 'lib/grably/core/digest.rb', line 11

def product
  @product
end

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/grably/core/digest.rb', line 11

def size
  @size
end

Class Method Details

.[](*products) ⇒ Object 



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# File 'lib/grably/core/digest.rb', line 37

def self.[](*products)
  products.map { |p| of_product(p) }
end

.of_product(product) ⇒ Object 



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# File 'lib/grably/core/digest.rb', line 41

def self.of_product(product)
  product = Product.new(product) if product.is_a?(String)
  raise 'Expected string or Product got ' + product.inspect unless product.is_a? Product
  src = product.src
  raise 'File does not exist' unless File.exist? src
  ProductDigest.new(
    product,
    mtime: File.mtime(src),
    size: File.size(src),
    md5: ::Digest::MD5.hexdigest(IO.binread(src))
  )
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/grably/core/digest.rb', line 24

def ==(other)
  [
    product == other.product,
    mtime == other.mtime,
    size == other.size,
    md5 == other.md5
  ].all?
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/grably/core/digest.rb', line 20

def eql?(other)
  self == other
end

#hash ⇒ Object 



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# File 'lib/grably/core/digest.rb', line 33

def hash
  md5.to_i
end