Class: Praxis::Mapper::Support::MemoryRepository

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MemoryRepository

Returns a new instance of MemoryRepository.



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# File 'lib/praxis-mapper/support/memory_repository.rb', line 9

def initialize
  clear!
end

Instance Attribute Details

#collections ⇒ Object (readonly)

Returns the value of attribute collections.



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

def collections
  @collections
end

Instance Method Details

#all(collection, **conditions) ⇒ Object

Retrieve all records for collection matching all conditions.



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# File 'lib/praxis-mapper/support/memory_repository.rb', line 34

def all(collection, **conditions)
  self.collection(collection).select do |row|
    conditions.all? do |k,v|
      row[k] === v
    end
  end
end

#clear! ⇒ Object 



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# File 'lib/praxis-mapper/support/memory_repository.rb', line 13

def clear!
  @collections = Hash.new do |hash, collection_name|
    hash[collection_name] = Set.new
  end
end

#collection(collection) ⇒ Object 



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# File 'lib/praxis-mapper/support/memory_repository.rb', line 19

def collection(collection)
  collection_name = if collection.respond_to?(:table_name)
    collection.table_name.to_sym
  else
    collection.to_sym
  end

  @collections[collection_name]
end

#insert(collection, *values) ⇒ Object 



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# File 'lib/praxis-mapper/support/memory_repository.rb', line 29

def insert(collection, *values)
  self.collection(collection).merge(*values)
end