SDK
SDK Java v2.x
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lpush #

Prepends the specified values to a list. If the key does not exist, it is created holding an empty list before performing the operation.

[Redis documentation]


lpush(key, values, [options], [callback]) #

ArgumentsTypeDescription
keystringKey identifier
valuesarrayValues to add at the beginning of the list
optionsJSON ObjectOptional parameters
callbackfunctionCallback

Options #

OptionTypeDescriptionDefault
queuablebooleanMake this request queuable or nottrue

Return Value #

Returns the MemoryStorage object to allow chaining.


Callback Response #

Returns an integer containing the updated number of items in the list.

Usage #

String[] items = new String[]{"foo", "bar", "baz"};
kuzzle.memoryStorage.lpush("key", items, new ResponseListener<Long>() {
  @Override
  public void onSuccess(int count) {
    // callback called once the action has completed
  }
  @Override
  public void onError(JSONObject error) {
  }
});

Callback response:

6