rpoplpush #

Removes the last element of the list at source and pushes it back at the start of the list at destination.

rpoplpush(source, destination, [options], [callback]) #

Arguments	Type	Description
`source`	string	Source key identifier
`destination`	string	Destination key identifier
`options`	JSON Object	Optional parameters
`callback`	function	Callback

Options #

Option	Type	Description	Default
`queuable`	boolean	Make this request queuable or not	`true`

Return Value #

Returns the MemoryStorage object to allow chaining.

Callback Response #

Returns the value of the removed and pushed item.

Usage #

// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.rpoplpush('sourceKey', 'destKey', function (err, value) {
  // callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.rpoplpushPromise('sourceKey', 'destKey')
  .then(value => {
    // resolved once the action has completed
  });

Callback response:

"foo"

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