Class: Daodalus::DSL::Aggregation::Group

Inherits:
Object
  • Object
show all
Includes:
Daodalus::DSL::Aggregations
Defined in:
lib/daodalus/dsl/aggregation/group.rb

Defined Under Namespace

Classes: Alias

Instance Method Summary collapse

Methods included from Daodalus::DSL::Aggregations

#aggregate, #group, #limit, #match, #pipeline, #project, #skip, #sort, #unwind

Constructor Details

#initialize(dao, aggregations, id, values) ⇒ Group

Returns a new instance of Group.



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 7

def initialize(dao, aggregations, id, values)
  @dao          = dao
  @aggregations = aggregations
  @id           = id
  @values       = values
end

Instance Method Details

#add_to_set(field) ⇒ Object Also known as: distinct 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 23

def add_to_set(field)
  aliased '$addToSet' => field
end

#avg(field) ⇒ Object Also known as: average 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 49

def avg(field)
  aliased '$avg' => field
end

#first(field) ⇒ Object 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 33

def first(field)
  aliased '$first' => field
end

#last(field) ⇒ Object 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 37

def last(field)
  aliased '$last' => field
end

#max(field) ⇒ Object 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 41

def max(field)
  aliased '$max' => field
end

#min(field) ⇒ Object 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 45

def min(field)
  aliased '$min' => field
end

#push(field) ⇒ Object Also known as: collect 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 28

def push(field)
  aliased '$push' => field
end

#sum(field) ⇒ Object Also known as: total 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 18

def sum(field)
  aliased '$sum' => field
end

#to_aggregation ⇒ Object 



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# File 'lib/daodalus/dsl/aggregation/group.rb', line 14

def to_aggregation
  { '$group' => values.merge('_id' => id) }
end