class ObjectFramework::Persistence::IdentityMap

# File lib/object_framework/persistence/session.rb, line 6
def initialize
  @entities = {}
end

# File lib/object_framework/persistence/session.rb, line 12
def add(type, id, entity)
  existing = find(type, id)
  raise Duplicate, "Identity already belongs to another object" if existing && !existing.equal?(entity)
  @entities[[type, Values.detach(id)]] = entity
end

# File lib/object_framework/persistence/session.rb, line 19
def clear; @entities.clear; end

# File lib/object_framework/persistence/session.rb, line 10
def find(type, id); @entities[[type, id]]; end

# File lib/object_framework/persistence/session.rb, line 18
def remove(type, id); @entities.delete([type, id]); end