Module: MessageStore::StreamName

Defined in:
lib/message_store/stream_name.rb

Constant Summary collapse

Error = 
Class.new(RuntimeError)

Class Method Summary collapse

Class Method Details

.category?(stream_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/message_store/stream_name.rb', line 82

def self.category?(stream_name)
  !stream_name.include?(id_separator)
end

.category_type_separator ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 13

def self.category_type_separator
  ':'
end

.compound_id_separator ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 9

def self.compound_id_separator
  ID.compound_id_separator
end

.compound_type_separator ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 17

def self.compound_type_separator
  '+'
end

.get_cardinal_id(stream_name) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 70

def self.get_cardinal_id(stream_name)
  id = get_id(stream_name)

  return nil if id.nil?

  ID.get_cardinal_id(id)
end

.get_category(stream_name) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 78

def self.get_category(stream_name)
  split(stream_name)[0]
end

.get_category_type(stream_name) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 86

def self.get_category_type(stream_name)
  return nil unless stream_name.include?(category_type_separator)

  category = get_category(stream_name)

  category.split(category_type_separator)[1]
end

.get_category_types(stream_name) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 98

def self.get_category_types(stream_name)
  type_list = get_type(stream_name)

  return [] if type_list.nil?

  type_list.split(compound_type_separator)
end

.get_entity_name(stream_name) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 110

def self.get_entity_name(stream_name)
  get_category(stream_name).split(category_type_separator)[0]
end

.get_id(stream_name) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 58

def self.get_id(stream_name)
  split(stream_name)[1]
end

.get_ids(stream_name) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 62

def self.get_ids(stream_name)
  ids = get_id(stream_name)

  return [] if ids.nil?

  ID.parse(ids)
end

.get_type(*args) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 94

def self.get_type(*args)
  get_category_type(*args)
end

.get_types(*args) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 106

def self.get_types(*args)
  get_category_types(*args)
end

.id_separator ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 5

def self.id_separator
  '-'
end

.split(stream_name) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 54

def self.split(stream_name)
  stream_name.split(id_separator, 2)
end

.stream_name(category, stream_id = nil, cardinal_id: nil, id: nil, ids: nil, type: nil, types: nil) ⇒ Object 



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# File 'lib/message_store/stream_name.rb', line 21

def self.stream_name(category, stream_id=nil, cardinal_id: nil, id: nil, ids: nil, type: nil, types: nil)
  if category == nil
    raise Error, "Category must not be omitted from stream name"
  end

  stream_name = category

  type_list = []
  type_list.concat(Array(type))
  type_list.concat(Array(types))

  type_part = type_list.join(compound_type_separator)

  if not type_part.empty?
    stream_name = "#{stream_name}#{category_type_separator}#{type_part}"
  end

  id_list = []
  id_list << cardinal_id if not cardinal_id.nil?

  id_list.concat(Array(stream_id))
  id_list.concat(Array(id))
  id_list.concat(Array(ids))

  id_part = nil
  if not id_list.empty?
    id_part = ID.compound_id(id_list)
    stream_name = "#{stream_name}#{id_separator}#{id_part}"
  end

  stream_name
end