Class: ItemCache

Inherits:
Object
  • Object
show all
Defined in:
lib/feed2imap/cache.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(debug = false) ⇒ ItemCache

Returns a new instance of ItemCache.



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# File 'lib/feed2imap/cache.rb', line 29

def initialize(debug = false)
  @channels = {}
  @@cacheidx = 0
  $updateddebug = debug
  self
end

Class Method Details

.getindex ⇒ Object 



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# File 'lib/feed2imap/cache.rb', line 108

def ItemCache.getindex
  i = @@cacheidx
  @@cacheidx += 1
  i
end

Instance Method Details

#commit_cache(id) ⇒ Object

Commit changes to the cache



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# File 'lib/feed2imap/cache.rb', line 48

def commit_cache(id)
  @channels[id] ||= CachedChannel::new
  @channels[id].commit
end

#fetch_failed(id) ⇒ Object

Fetching failure. returns number of failures



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# File 'lib/feed2imap/cache.rb', line 69

def fetch_failed(id)
  @channels[id].fetch_failed
end

#get_last_check(id) ⇒ Object

Get the last time the cache was updated



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# File 'lib/feed2imap/cache.rb', line 54

def get_last_check(id)
  @channels[id] ||= CachedChannel::new
  @channels[id].lastcheck
end

#get_new_items(id, items, always_new = false, ignore_hash = false) ⇒ Object

Returns the really new items amongst items



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# File 'lib/feed2imap/cache.rb', line 37

def get_new_items(id, items, always_new = false, ignore_hash = false)
  if $updateddebug
    puts "======================================================="
    puts "GET_NEW_ITEMS FOR #{id}... (#{Time::now})"
  end
  @channels[id] ||= CachedChannel::new
  @channels[id].parsefailures = 0
  return @channels[id].get_new_items(items, always_new, ignore_hash)
end

#load(io) ⇒ Object

Load the cache from an IO stream



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# File 'lib/feed2imap/cache.rb', line 80

def load(io)
  begin
    @@cacheidx, @channels = Marshal.load(io)
  rescue
    @channels = Marshal.load(io)
    @@cacheidx = 0
  end
end

#nbchannels ⇒ Object

Return the number of channels in the cache



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# File 'lib/feed2imap/cache.rb', line 95

def nbchannels
  @channels.length
end

#nbitems ⇒ Object

Return the number of items in the cache



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# File 'lib/feed2imap/cache.rb', line 100

def nbitems
  nb = 0
  @channels.each_value { |c|
    nb += c.nbitems
  }
  nb
end

#parse_failed(id) ⇒ Object

Parsing failure. returns number of failures



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# File 'lib/feed2imap/cache.rb', line 75

def parse_failed(id)
  @channels[id].parse_failed
end

#save(io) ⇒ Object

Save the cache to an IO stream



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# File 'lib/feed2imap/cache.rb', line 90

def save(io)
  Marshal.dump([@@cacheidx, @channels], io)
end

#set_last_check(id, time) ⇒ Object

Get the last time the cache was updated



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# File 'lib/feed2imap/cache.rb', line 60

def set_last_check(id, time)
  @channels[id] ||= CachedChannel::new
  @channels[id].lastcheck = time
  @channels[id].failures = 0
  self
end