Class: Rasti::DB::Relations::Base

Inherits:
Object
  • Object
show all
Includes:
Sequel::Inflections
Defined in:
lib/rasti/db/relations/base.rb

Direct Known Subclasses

ManyToMany, ManyToOne, OneToMany

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, source_collection_class, options = {}) ⇒ Base

Returns a new instance of Base.



10
11
12
13
14
 
# File 'lib/rasti/db/relations/base.rb', line 10

def initialize(name, source_collection_class, options={})
  @name = name
  @source_collection_class = source_collection_class
  @options = options
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



8
9
10
 
# File 'lib/rasti/db/relations/base.rb', line 8

def name
  @name
end

#source_collection_class ⇒ Object (readonly)

Returns the value of attribute source_collection_class.



8
9
10
 
# File 'lib/rasti/db/relations/base.rb', line 8

def source_collection_class
  @source_collection_class
end

Instance Method Details

#from_many? ⇒ Boolean

Returns:

  • (Boolean) 


40
41
42
 
# File 'lib/rasti/db/relations/base.rb', line 40

def from_many?
  many_to_one? || many_to_many?
end

#from_one? ⇒ Boolean

Returns:

  • (Boolean) 


36
37
38
 
# File 'lib/rasti/db/relations/base.rb', line 36

def from_one?
  one_to_one? || one_to_many?
end

#join_relation_name(prefix) ⇒ Object 



52
53
54
 
# File 'lib/rasti/db/relations/base.rb', line 52

def join_relation_name(prefix)
  with_prefix prefix, name
end

#many_to_many? ⇒ Boolean

Returns:

  • (Boolean) 


28
29
30
 
# File 'lib/rasti/db/relations/base.rb', line 28

def many_to_many?
  self.class == ManyToMany
end

#many_to_one? ⇒ Boolean

Returns:

  • (Boolean) 


24
25
26
 
# File 'lib/rasti/db/relations/base.rb', line 24

def many_to_one?
  self.class == ManyToOne
end

#one_to_many? ⇒ Boolean

Returns:

  • (Boolean) 


20
21
22
 
# File 'lib/rasti/db/relations/base.rb', line 20

def one_to_many?
  self.class == OneToMany
end

#one_to_one? ⇒ Boolean

Returns:

  • (Boolean) 


32
33
34
 
# File 'lib/rasti/db/relations/base.rb', line 32

def one_to_one?
  self.class == OneToOne
end

#target_collection_class ⇒ Object 



16
17
18
 
# File 'lib/rasti/db/relations/base.rb', line 16

def target_collection_class
  @target_collection_class ||= options[:collection].is_a?(Class) ? options[:collection] : Consty.get(options[:collection] || camelize(pluralize(name)), source_collection_class)
end

#to_many? ⇒ Boolean

Returns:

  • (Boolean) 


48
49
50
 
# File 'lib/rasti/db/relations/base.rb', line 48

def to_many?
  one_to_many? || many_to_many?
end

#to_one? ⇒ Boolean

Returns:

  • (Boolean) 


44
45
46
 
# File 'lib/rasti/db/relations/base.rb', line 44

def to_one?
  one_to_one? || many_to_one?
end