## actions.item Actions for management of item data in Redux store. * [actions.item](#module_actions.item) * [.dropData(olderThan)](#module_actions.item.dropData) ⇒ Action * [.loadDataInit(loadingOperationId)](#module_actions.item.loadDataInit) ⇒ Action * [.loadDataDone(loadingOperationId, data)](#module_actions.item.loadDataDone) ⇒ Action * [.setData(data)](#module_actions.item.setData) ⇒ Action * [.updateReferenceCounter(shift)](#module_actions.item.updateReferenceCounter) ⇒ Action ### actions.item.dropData(olderThan) ⇒ Action Creates an action that drops item's data if (i) the value of item's reference counter is not positive; (ii) item's timestamp is older than `olderThan` value. **Kind**: static method of [actions.item](#module_actions.item) | Param | Type | Default | Description | | --- | --- | --- | --- | | olderThan | Number | Number.MAX_VALUE | Optional. Timestamp [ms]. If provided, item's data will be dropped only if they were received / set prior to this moment in time. | ### actions.item.loadDataInit(loadingOperationId) ⇒ Action Creates an action that signals the beginning of async loading of item's data. **Kind**: static method of [actions.item](#module_actions.item) | Param | Type | Description | | --- | --- | --- | | loadingOperationId | Number \| String | The unique identifier of the loading operation. It will be written into item's segment of Redux store with the following efffects: - We consider that item's data are being loaded if, and only if, the item's `loadingOperationId` has a truly value; - `loadingOperationId` is used to match the corresponding [loadDataDone](#module_actions.item.loadDataDone) operation. | ### actions.item.loadDataDone(loadingOperationId, data) ⇒ Action Creates an action that handles the result of async loading of item's data. **Kind**: static method of [actions.item](#module_actions.item) | Param | Type | Description | | --- | --- | --- | | loadingOperationId | Number \| String | The unique identifier of the loading operation. If it does not match the value currently written for the item in the Redux store (see [loadDataInit](#module_actions.item.loadDataInit)), the action will be silently ignored. | | data | Any | Any value to store as the item's data. | ### actions.item.setData(data) ⇒ Action Creates an action that stores given data into the item. **Kind**: static method of [actions.item](#module_actions.item) | Param | Type | Description | | --- | --- | --- | | data | Any | Any value to store as the item's data. | ### actions.item.updateReferenceCounter(shift) ⇒ Action Creates an action that updates the item's reference counter. **Kind**: static method of [actions.item](#module_actions.item) | Param | Type | Description | | --- | --- | --- | | shift | Number | The value to add to the item's reference counter. Should be `1` or `-1` in majority of cases, although any other values are permitted. |