gapic-common - Class Gapic::Rest::PagedEnumerable (v1.1.0)

Reference documentation and code samples for the gapic-common class Gapic::Rest::PagedEnumerable.

A class to provide the Enumerable interface to the response of a REST paginated method. PagedEnumerable assumes response message holds a list of resources and the token to the next page.

PagedEnumerable provides the enumerations over the resource data, and also provides the enumerations over the pages themselves.

Inherits

  • Object

Includes

  • Enumerable

Examples

normal iteration over resources.

 paged_enumerable 
 . 
 each 
  
 { 
  
 | 
 resource 
 | 
  
 puts 
  
 resource 
  
 } 

per-page iteration.

 paged_enumerable 
 . 
 each_page 
  
 { 
  
 | 
 page 
 | 
  
 puts 
  
 page 
  
 } 

Enumerable over pages.

 paged_enumerable 
 . 
 each_page 
  
 do 
  
 | 
 page 
 | 
  
 page 
 . 
 each 
  
 { 
  
 | 
 resource 
 | 
  
 puts 
  
 resource 
  
 } 
 end 

more exact operations over pages.

 while 
  
 some_condition 
 () 
  
 page 
  
 = 
  
 paged_enumerable 
 . 
 page 
  
 do_something 
 ( 
 page 
 ) 
  
 break 
  
 if 
  
 paged_enumerable 
 . 
 next_page? 
  
 paged_enumerable 
 . 
 next_page 
 end 

Methods

#each

  def 
  
 each 
 ( 
& block 
 ) 
  
 - 
>  
 Enumerator 
 

Iterate over the individual resources, automatically requesting new pages as needed.

Yields
  • (Object) — Gives the resource objects in the stream.
Returns
  • (Enumerator) — if no block is provided

#each_page

  def 
  
 each_page 
 () 
  
 - 
>  
 Enumerator 
 

Iterate over the pages.

Yields
  • ( Page ) — Gives the pages in the stream.
Returns
  • (Enumerator) — if no block is provided

#next_page

  def 
  
 next_page 
 () 
  
 - 
>  
 Page 
 , 
  
 nil 
 
Alias Of: #next_page!

Load the next page and set it as the current page. If there is no next page, sets nil as a current page.

Returns
  • ( Page , nil) — the new page object.

#next_page!

  def 
  
 next_page! 
 () 
  
 - 
>  
 Page 
 , 
  
 nil 
 
Aliases

Load the next page and set it as the current page. If there is no next page, sets nil as a current page.

Returns
  • ( Page , nil) — the new page object.

#next_page?

  def 
  
 next_page? 
 () 
  
 - 
>  
 Boolean 
 

True if there is at least one more page of results.

Returns
  • (Boolean)

#next_page_token

  def 
  
 next_page_token 
 () 
  
 - 
>  
 String 
 , 
  
 nil 
 

The page token to be used for the next RPC call, or the empty string if there is no next page. nil if the iteration is complete.

Returns
  • (String, nil)

#page

  def 
  
 page 
 () 
  
 - 
>  
 Page 
 
Returns
  • ( Page ) — The current page object.

#response

  def 
  
 response 
 () 
  
 - 
>  
 Object 
 , 
  
 nil 
 

The current response object, for the current page. nil if the iteration is complete.

Returns
  • (Object, nil)
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