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Class: Mongo::Operation::ParallelScan::Result

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::Mongo::Operation::Result, Forwardable
Instance Chain:
self, ::Mongo::Operation::Result, Enumerable
Inherits: Mongo::Operation::Result
Defined in: lib/mongo/operation/parallel_scan/result.rb

Overview

Defines custom behavior of results in a parallel scan.

Since:

  • 2.0.0

Constant Summary

::Mongo::Operation::Result - Inherited

CURSOR, CURSOR_ID, FIRST_BATCH, N, NAMESPACE, NEXT_BATCH, OK, RESULT

Class Method Summary

::Mongo::Operation::Result - Inherited

.new

Initialize a new result.

Instance Attribute Summary

::Mongo::Operation::Result - Inherited

#acknowledged?

Is the result acknowledged?
#connection_description, #connection_global_id,
#has_cursor_id?

Whether the result contains cursor_id.
#ok?

Check the first document’s ok field.
#replies,
#successful?

If the result was a command then determine if it was considered a success.
#write_concern_error?

Whether the operation failed with a write concern error.
#query_failure?

Instance Method Summary

::Mongo::Operation::Result - Inherited

#cluster_time

Get the cluster time reported in the server response.
#cursor_id

Get the cursor id if the response is acknowledged.
#documents

Get the documents in the result.
#each

Iterate over the documents in the replies.
#error

The exception instance (of the ::Mongo::Error::OperationFailure class) that would be raised during processing of this result.
#inspect

Get the pretty formatted inspection of the result.
#labels

Gets the set of error labels associated with the result.
#n

Alias for Result#written_count.
#namespace

Get the namespace of the cursor.
#operation_time

Get the operation time reported in the server response.
#reply

Get the reply from the result.
#returned_count

Get the number of documents returned by the server in this batch.
#snapshot_timestamp, #topology_version,
#validate!

Validate the result by checking for any errors.
#written_count

Get the number of documents written by the server.
#aggregate_returned_count, #aggregate_written_count, #first_document, #parser,
#raise_operation_failure

Raises a Mongo::OperationFailure exception corresponding to the error information in this result.

Instance Method Details

#cursor_ids ⇒ Array<Integer>

This method is for internal use only.

Get all the cursor ids from the result.

Examples:

Get the cursor ids.

result.cursor_ids

Returns:

  • (Array<Integer>) —

    The cursor ids.

Since:

  • 2.0.0

[ GitHub ] 

  


# File 'lib/mongo/operation/parallel_scan/result.rb', line 43



def cursor_ids
  documents.map {|doc| doc[CURSOR][CURSOR_ID]}
end


  








  

    #documents  ⇒ Array<BSON::Document> 
  



  

    

Get the documents from parallel scan.


  





    

    
Examples:

        


Get the documents.



      
result.documents

  


Returns:


    
  
  • 
    (Array<BSON::Document>)
—    
    

    The documents.
    

    
  
    • 



Since:


    
  
  • 
    
    

    2.0.0
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/mongo/operation/parallel_scan/result.rb', line 56



def documents
  reply.documents[0][CURSORS]
end


  








  

    #first   (private)
  



  

    
  





  
Since:


    
  
  • 
    
    

    2.0.0
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/mongo/operation/parallel_scan/result.rb', line 62



def first
  @first ||= reply.documents[0] || {}
end