Storage

Description

The Storage object provides common functionality for all storage implementations such as LocalStorage, InMemoryStorage and UsbStorage. Being an abstract base it can’t be instantiated.

› Inherits:

Object

› Inherited by:

InMemoryStorage, LocalStorage, UsbStorage, WebServerFilesStorage

Overview

Properties

available bytesFree bytesTotal path readOnly Object.objectId Object.parent

Methods

Object.deserializeProperties() Object.fromJson() Object.serializeProperties() Object.toJson()

Signals

Object.completed()

Properties

available

This property holds whether the storage is available. This typically applies to removable storage devices or network shares.

› Type:

Boolean

› Signal:

availableChanged()

› Attributes:

Readonly

bytesFree

This property holds the available capacity on the storage in bytes. It is not updated automatically and needs to be read whenever required.

› Type:

SignedBigInteger

› Attributes:

Readonly

bytesTotal

This property holds the total capacity of the storage in bytes. It is not updated automatically and needs to be read whenever required.

› Type:

SignedBigInteger

› Attributes:

Readonly

path

This property holds the absolute filesystem path of the storage.

› Type:

String

› Signal:

pathChanged()

› Attributes:

Readonly

readOnly

This property holds whether the storage can be accessed read only. Write accesses to the storage are only possible if this property is false.

› Type:

Boolean

› Signal:

readOnlyChanged()

› Attributes:

Readonly