Class: Page

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/crawl/page.rb

Constant Summary collapse

ATTEMPTS = 
3

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(register, url, source) ⇒ Page

Returns a new instance of Page.



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# File 'lib/crawl/page.rb', line 10

def initialize(register, url, source)
  @register = register
  @url = url
  @source = source
  @attempts = 0
  @errors = nil
end

Instance Attribute Details

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/crawl/page.rb', line 6

def error
  @error
end

#register ⇒ Object (readonly)

Returns the value of attribute register.



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# File 'lib/crawl/page.rb', line 6

def register
  @register
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/crawl/page.rb', line 6

def source
  @source
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/crawl/page.rb', line 6

def url
  @url
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/crawl/page.rb', line 22

def <=>(other)
  relative_url <=> other.relative_url
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/crawl/page.rb', line 26

def eql?(other)
  relative_url.eql?(other.relative_url)
end

#fatal(error) ⇒ Object 



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# File 'lib/crawl/page.rb', line 39

def fatal(error)
  puts "  Fatal - #{error}" if $VERBOSE
  @error = error
  @register.completed(self)
end

#hash ⇒ Object 



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# File 'lib/crawl/page.rb', line 30

def hash
  relative_url.hash
end

#intermittent(error) ⇒ Object 



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# File 'lib/crawl/page.rb', line 45

def intermittent(error)
  puts "  Intermittent - #{error}" if $VERBOSE
  if @attempts >= ATTEMPTS
    @error = error
    @register.completed(self)
  else
    @attempts += 1
    @register.retry(self)
  end
end

#relative_url ⇒ Object 



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# File 'lib/crawl/page.rb', line 18

def relative_url
  @relative_url ||= URI.join('http://example.com', source, url).path
end

#success ⇒ Object 



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# File 'lib/crawl/page.rb', line 34

def success
  @error = nil
  @register.completed(self)
end

#to_s ⇒ Object 



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# File 'lib/crawl/page.rb', line 56

def to_s
  "#{url} found on #{source} - #{error || 'OK'}"
end