SDK
SDK Javascript v5.x
1

# rpoplpush

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

[Redis documentation]


# 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

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// 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:

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"foo"