NullStateStore

Dummy state store implementation that doesn’t do anything.

Implements: IStateStore

It can be used in testing or in situations when state management is not required but shall be disabled.

Deletes a state from the store by its key.

public T delete(IContext context, String key)

context: IContext - (optional) a context to trace execution through call chain.
key: String - a unique value key.
return: T - removed item

Loads state from the store using its key. If value is missing in the store it returns null.

public T load(IContext context, String key)

context: IContext - (optional) a context to trace execution through call chain.
key: String - a unique state key.
return: T - the state value or null if value wasn’t found.

Loads an array of states from the store using their keys.

public List<StateValue> loadBulk(IContext context, List keys)

context: IContext - (optional) a context to trace execution through call chain.
keys: List - unique state keys.
returns: List<StateValue> - an array with state values and their corresponding keys.

Saves state into the store.

public T save(IContext context, String key, T value)

context: IContext - (optional) a context to trace execution through call chain.
key: String - a unique state key.
value: T - a state value.
returns: T - execution duration in milliseconds.