Class: Contracts::ExecutionGuard

Inherits:

Object

• Object
• Contracts::ExecutionGuard

Defined in:

lib/contracts.rb

Class Method Summary

• .active?(key) ⇒ Boolean
• .current_stack ⇒ Object
• .depth ⇒ Object
• .enter(key) ⇒ Object
• .stack ⇒ Object

Class Method Details

.active?(key) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/contracts.rb', line 158

def self.active?(key) = stack.include?(key)

.current_stack ⇒ Object

# File 'lib/contracts.rb', line 160

def self.current_stack = stack.dup.freeze

.depth ⇒ Object

# File 'lib/contracts.rb', line 159

def self.depth = stack.length

.enter(key) ⇒ Object

# File 'lib/contracts.rb', line 162

def self.enter(key)
  return yield(false) if active?(key)

  stack << key
  yield(true)
ensure
  stack.pop if stack.last == key
end

.stack ⇒ Object

# File 'lib/contracts.rb', line 153

def self.stack
  stores = Thread.current[:contracts_execution_guard] ||= {}
  stores[Fiber.current] ||= []
end