ClassMethods

Constants

Files

• lib/neo4j/active_node/scope.rb:7

Methods

#_call_scope_context

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def _call_scope_context(eval_context, query_params, proc)
  if proc.arity == 1
    eval_context.instance_exec(query_params, &proc)
  else
    eval_context.instance_exec(&proc)
  end
end

#_scope

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def _scope
  @_scope ||= {}
end

#all

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def all(new_var = nil)
  var = new_var || (current_scope ? current_scope.node_identity : :n)
  if current_scope
    current_scope.new_link(var)
  else
    self.as(var)
  end
end

#current_scope

nodoc:

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def current_scope #:nodoc:
  ScopeRegistry.value_for(:current_scope, base_class.to_s)
end

#current_scope=

nodoc:

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def current_scope=(scope) #:nodoc:
  ScopeRegistry.set_value_for(:current_scope, base_class.to_s, scope)
end

#has_scope?

rubocop:disable Style/PredicateName

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def has_scope?(name)
  ActiveSupport::Deprecation.warn 'has_scope? is deprecated and may be removed from future releases, use scope? instead.', caller

  scope?(name)
end

#scope

Similar to ActiveRecord scope

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def scope(name, proc)
  _scope[name.to_sym] = proc

  define_method(name) do |query_params = nil, some_var = nil|
    self.class.send(name, query_params, some_var, current_scope)
  end

  klass = class << self; self; end
  klass.instance_eval do
    define_method(name) do |query_params = nil, _ = nil|
      eval_context = ScopeEvalContext.new(self, current_scope || self.query_proxy)
      proc = _scope[name.to_sym]
      _call_scope_context(eval_context, query_params, proc)
    end
  end
end

#scope?

rubocop:enable Style/PredicateName

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def scope?(name)
  _scope.key?(name.to_sym)
end