Class: Von::Counters::Total

Inherits:
Object
  • Object
show all
Includes:
Commands
Defined in:
lib/von/counters/total.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Commands

#hdel, #hget, #hgetall, #hincrby, #hset, #llen, #lpop, #lrange, #rpush

Constructor Details

#initialize(field) ⇒ Total

Initialize a new Counter

field - counter field name



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# File 'lib/von/counters/total.rb', line 10

def initialize(field)
  @field = field.to_sym
end

Instance Attribute Details

#field ⇒ Object (readonly)

Returns the value of attribute field.



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# File 'lib/von/counters/total.rb', line 5

def field
  @field
end

Class Method Details

.count(field) ⇒ Object

Lookup the count for this Counter in Redis. If a Period argument is given we lookup the count for all of the possible units (not expired), zeroing ones that aren’t set in Redis already.

period - A Period to lookup

Returns an Integer representing the count or an Array of counts.



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# File 'lib/von/counters/total.rb', line 43

def self.count(field)
  Counter.new(field).count
end

Instance Method Details

#count ⇒ Object

Count the “total” field for this Counter.

Returns an Integer count



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# File 'lib/von/counters/total.rb', line 30

def count
  count = hget(hash_key, 'total')
  count.nil? ? 0 : count.to_i
end

#hash_key ⇒ Object

Returns the Redis hash key used for storing counts for this Counter



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# File 'lib/von/counters/total.rb', line 15

def hash_key
  "#{Von.config.namespace}:counters:#{@field}"
end

#increment ⇒ Object

Increment the total count for this Counter If the key has time periods specified, increment those.

Returns the Integer total for the key



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# File 'lib/von/counters/total.rb', line 23

def increment
  hincrby(hash_key, 'total', 1).to_i
end