Class: DBCode::Graph

Inherits:

Object

• Object
• DBCode::Graph

Includes:

TSort

Defined in:

lib/dbcode/graph.rb

Instance Method Summary

• #compile ⇒ Object
• #digest ⇒ Object
• #initialize(files) ⇒ Graph constructor

  A new instance of Graph.

• #to_sql ⇒ Object

Constructor Details

#initialize(files) ⇒ Graph

Returns a new instance of Graph.

# File 'lib/dbcode/graph.rb', line 8

def initialize(files)
  @files = (files.map {|f| { f.name => f } }.reduce(:merge) || {}).freeze
end

Instance Method Details

#compile ⇒ Object

# File 'lib/dbcode/graph.rb', line 16

def compile
  tsort.map(&:to_sql).join(";\n")
end

#digest ⇒ Object

# File 'lib/dbcode/graph.rb', line 12

def digest
  Digest::MD5.base64digest to_sql
end

#to_sql ⇒ Object

# File 'lib/dbcode/graph.rb', line 20

def to_sql
  @to_sql ||= compile
end