class Google::Cloud::Bigquery::Project::List

Project::List is a special case Array with additional values.

Attributes

etag[RW]

A hash of this page of results.

token[RW]

If not empty, indicates that there are more records that match the request and this value should be passed to continue.

Public Class Methods

from_gapi(gapi_list, service, max = nil) click to toggle source

@private New Project::List from a response object.

# File lib/google/cloud/bigquery/project/list.rb, line 141
def self.from_gapi gapi_list, service, max = nil
  projects = List.new(Array(gapi_list.projects).map { |gapi_object| Project.from_gapi gapi_object, service })
  projects.instance_variable_set :@token,   gapi_list.next_page_token
  projects.instance_variable_set :@etag,    gapi_list.etag
  projects.instance_variable_set :@service, service
  projects.instance_variable_set :@max,     max
  projects
end
new(arr = []) click to toggle source

@private Create a new Project::List with an array of Project instances.

Calls superclass method
# File lib/google/cloud/bigquery/project/list.rb, line 36
def initialize arr = []
  super arr
end

Public Instance Methods

all(request_limit: nil, &block) click to toggle source

Retrieves remaining results by repeatedly invoking {#next} until {#next?} returns `false`. Calls the given block once for each result, which is passed as the argument to the block.

An Enumerator is returned if no block is given.

This method will make repeated API calls until all remaining results are retrieved. (Unlike `#each`, for example, which merely iterates over the results returned by a single API call.) Use with caution.

@param [Integer] request_limit The upper limit of API requests to

make to load all projects. Default is no limit.

@yield [project] The block for accessing each project. @yieldparam [Project] project The project object.

@return [Enumerator]

@example Iterating each result by passing a block:

require "google/cloud/bigquery"

bigquery = Google::Cloud::Bigquery.new

bigquery.projects.all do |project|
  puts project.name
end

@example Using the enumerator by not passing a block:

require "google/cloud/bigquery"

bigquery = Google::Cloud::Bigquery.new

all_project_ids = bigquery.projects.all.map do |project|
  project.name
end

@example Limit the number of API calls made:

require "google/cloud/bigquery"

bigquery = Google::Cloud::Bigquery.new

bigquery.projects.all(request_limit: 10) do |project|
  puts project.name
end
# File lib/google/cloud/bigquery/project/list.rb, line 124
def all request_limit: nil, &block
  request_limit = request_limit.to_i if request_limit
  return enum_for :all, request_limit: request_limit unless block_given?
  results = self
  loop do
    results.each(&block)
    if request_limit
      request_limit -= 1
      break if request_limit.negative?
    end
    break unless results.next?
    results = results.next
  end
end
next() click to toggle source

Retrieve the next page of projects.

@return [Project::List]

@example

require "google/cloud/bigquery"

bigquery = Google::Cloud::Bigquery.new

projects = bigquery.projects
if projects.next?
  next_projects = projects.next
end
# File lib/google/cloud/bigquery/project/list.rb, line 72
def next
  return nil unless next?
  ensure_service!
  gapi = @service.list_projects token: token, max: @max
  self.class.from_gapi gapi, @service, @max
end
next?() click to toggle source

Whether there is a next page of projects.

@return [Boolean]

@example

require "google/cloud/bigquery"

bigquery = Google::Cloud::Bigquery.new

projects = bigquery.projects
if projects.next?
  next_projects = projects.next
end
# File lib/google/cloud/bigquery/project/list.rb, line 54
def next?
  !token.nil?
end

Protected Instance Methods

ensure_service!() click to toggle source

Raise an error unless an active service is available.

# File lib/google/cloud/bigquery/project/list.rb, line 154
def ensure_service!
  raise "Must have active connection" unless @service
end