Class: ActiveSchema::TableHub

Inherits:
Object
  • Object
show all
Defined in:
lib/active_schema/table_hub.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ TableHub

Returns a new instance of TableHub.



6
7
8
9
 
# File 'lib/active_schema/table_hub.rb', line 6

def initialize
  @tables = {}
  @relations = Hash.new {|h,k| h[k] = Set.new }
end

Instance Attribute Details

#relations ⇒ Object

Returns the value of attribute relations.



5
6
7
 
# File 'lib/active_schema/table_hub.rb', line 5

def relations
  @relations
end

#tables ⇒ Object

Returns the value of attribute tables.



5
6
7
 
# File 'lib/active_schema/table_hub.rb', line 5

def tables
  @tables
end

Instance Method Details

#add_foreign_key(from_table_name, to_table_name, column_name) ⇒ Object 



11
12
13
14
15
16
17
 
# File 'lib/active_schema/table_hub.rb', line 11

def add_foreign_key(from_table_name, to_table_name, column_name)
  from_table = find_or_create_table(from_table_name)
  to_table   = find_or_create_table(to_table_name)

  add_relation(from_table, to_table)
  from_table.add_foreign_key(column_name, to_table)
end

#add_index(table_name, index_def) ⇒ Object 



19
20
21
 
# File 'lib/active_schema/table_hub.rb', line 19

def add_index(table_name, index_def)
  find_or_create_table(table_name).add_index(index_def)
end

#add_model(model) ⇒ Object 



23
24
25
 
# File 'lib/active_schema/table_hub.rb', line 23

def add_model(model)
  find_or_create_table(model.table_name).model = model
end