method

exists?

rails latest stable - Class: ActiveResource::Base

exists?(id, options = {})

public

Asserts the existence of a resource, returning true if the resource is found.

Examples

Note.create(:title => 'Hello, world.', :body => 'Nothing more for now...')
Note.exists?(1) # => true

Note.exists(1349) # => false

# File activeresource/lib/active_resource/base.rb, line 868
      def exists?(id, options = {})
        if id
          prefix_options, query_options = split_options(options[:params])
          path = element_path(id, prefix_options, query_options)
          response = connection.head(path, headers)
          response.code.to_i == 200
        end
        # id && !find_single(id, options).nil?
      rescue ActiveResource::ResourceNotFound, ActiveResource::ResourceGone
        false
      end

exists?

Method deprecated or moved

Examples

Related methods