Class: Kumi::Core::Compiler::AccessCodegen

Inherits:
Object
  • Object
show all
Defined in:
lib/kumi/core/compiler/access_codegen.rb

Constant Summary collapse

CACHE = 
{}
CACHE_MUTEX = 
Mutex.new

Class Method Summary collapse

Class Method Details

.compile(plan) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
 
# File 'lib/kumi/core/compiler/access_codegen.rb', line 19

def self.compile(plan)
  case plan.mode
  when :read         then gen_read(plan)
  when :materialize  then gen_materialize(plan)
  when :ravel        then gen_ravel(plan)
  when :each_indexed then gen_each_indexed(plan)
  else
    raise "Unknown accessor mode: #{plan.mode.inspect}"
  end
end

.fetch_or_compile(plan) ⇒ Object 



12
13
14
15
16
17
 
# File 'lib/kumi/core/compiler/access_codegen.rb', line 12

def self.fetch_or_compile(plan)
  key = Digest::SHA1.hexdigest(Marshal.dump([plan.mode, plan.operations, plan.on_missing, plan.key_policy, plan.path]))
  CACHE_MUTEX.synchronize do
    CACHE[key] ||= compile(plan).tap(&:freeze)
  end
end