Class: Praxis::Mapper::Support::MemoryQuery

Inherits:
Query::Base
  • Object
show all
Defined in:
lib/praxis-mapper/support/memory_query.rb

Constant Summary

Constants inherited from Query::Base

Query::Base::MULTI_GET_BATCH_SIZE

Instance Attribute Summary

Attributes inherited from Query::Base

#contexts, #identity_map, #model, #statistics, #where

Instance Method Summary collapse

Methods inherited from Query::Base

#apply_selector, #connection, #context, #default_select, #execute, #initialize, #limit, #load, #multi_get, #select, #to_records, #track, #tracked_associations

Constructor Details

This class inherits a constructor from Praxis::Mapper::Query::Base

Instance Method Details

#_execute ⇒ Object 



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# File 'lib/praxis-mapper/support/memory_query.rb', line 23

def _execute
  connection.all(model.table_name, self.where||{}).to_a
end

#_multi_get(key, values) ⇒ Object 



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# File 'lib/praxis-mapper/support/memory_query.rb', line 11

def _multi_get(key, values)
  results = values.collect do |value|
    connection.all(model, key =>  value)
  end.flatten.uniq

  results.select do |result|
    where.nil? || where.all? do |k,v|
      result[k] == v
    end
  end
end

#collection ⇒ Object 



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# File 'lib/praxis-mapper/support/memory_query.rb', line 7

def collection
  connection.collection(model.table_name)
end

#describe ⇒ Object

Subclasses Must Implement



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# File 'lib/praxis-mapper/support/memory_query.rb', line 28

def describe
  raise "subclass responsibility"
end