Class: Perpetuity::Postgres::JSONHash

Inherits:
Object
  • Object
show all
Defined in:
lib/perpetuity/postgres/json_hash.rb

Instance Method Summary collapse

Constructor Details

#initialize(value, location = :outer) ⇒ JSONHash

Returns a new instance of JSONHash.



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# File 'lib/perpetuity/postgres/json_hash.rb', line 7

def initialize value, location=:outer
  @value = value
  @location = location
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/perpetuity/postgres/json_hash.rb', line 45

def == other
  other.is_a? self.class and
  other.to_hash == to_hash
end

#serialize_elements ⇒ Object 



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# File 'lib/perpetuity/postgres/json_hash.rb', line 24

def serialize_elements
  @value.map do |key, value|
    string = ''
    string << JSONStringValue.new(key) << ':'

    string << if [String, Class].include? value.class
      JSONStringValue.new(value.to_s)
    elsif [true, false].include? value
      value.to_s
    elsif value.nil?
      'null'
    else
      SQLValue.new(value).to_s
    end
  end.join(',')
end

#to_hash ⇒ Object 



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# File 'lib/perpetuity/postgres/json_hash.rb', line 20

def to_hash
  @value
end

#to_s ⇒ Object 



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# File 'lib/perpetuity/postgres/json_hash.rb', line 12

def to_s
  if @location == :outer
    "'{#{serialize_elements}}'"
  else
    "{#{serialize_elements}}"
  end
end

#to_str ⇒ Object 



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# File 'lib/perpetuity/postgres/json_hash.rb', line 41

def to_str
  to_s
end