method

exists?

v2.3.8 - Show latest stable - 0 notes - Class: ActiveResource::Base

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What's this?

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

Show source

# File activeresource/lib/active_resource/base.rb, line 619
      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?

Related methods

Examples