Class: DripCursor

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(drip, bufsiz = 10, at_least = 10) ⇒ DripCursor

Returns a new instance of DripCursor.



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# File 'lib/my_drip.rb', line 45

def initialize(drip, bufsiz=10, at_least=10)
  @drip = drip
  @cur = nil
  @bufsiz = bufsiz
  @at_least = at_least
end

Instance Attribute Details

#cur ⇒ Object

Returns the value of attribute cur.



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# File 'lib/my_drip.rb', line 51

def cur
  @cur
end

Instance Method Details

#now ⇒ Object 



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# File 'lib/my_drip.rb', line 53

def now
  @cur ? @drip.key_to_time(@cur) : nil
end

#past_each(tag = nil) ⇒ Object 



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# File 'lib/my_drip.rb', line 61

def past_each(tag=nil)
  while kv = @drip.older(@cur, tag)
    @cur, value = kv
    yield(value)
  end
end

#seek_at(time) ⇒ Object 



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# File 'lib/my_drip.rb', line 57

def seek_at(time)
  @cur = @drip.time_to_key(time)
end