DataEventListener

most-data/types~ DataEventListener

Represents a data model's listener

Constructor

(abstract) new DataEventListener()

Source:

types.js, line 436

Methods

afterExecute(e, cb)

Occurs after executing a data operation. The event arguments contain the executed query.

Parameters:

Name	Type	Description
`e`	DataEventArgs	An object that represents the event arguments passed to this operation.
`cb`	function	A callback function that should be called at the end of this operation. The first argument may be an error if any occured.

Source:

types.js, line 452

afterRemove(e, cb)

Occurs after removing a data object.

Parameters:

Name	Type	Description
`e`	DataEventArgs	An object that represents the event arguments passed to this operation.
`cb`	function	A callback function that should be called at the end of this operation. The first argument may be an error if any occured.

Source:

types.js, line 485

afterSave(e, cb)

Occurs after creating or updating a data object.

Parameters:

Name	Type	Description
`e`	DataEventArgs	An object that represents the event arguments passed to this operation.
`cb`	function	A callback function that should be called at the end of this operation. The first argument may be an error if any occured.

Source:

types.js, line 468

afterUpgrade(e, cb)

Occurs after upgrading a data model.

Parameters:

Name	Type	Description
`e`	DataEventArgs	An object that represents the event arguments passed to this operation.
`cb`	function	A callback function that should be called at the end of this operation. The first argument may be an error if any occured.

Source:

types.js, line 494

beforeExecute(e, cb)

Occurs before executing a data operation. The event arguments contain the query that is going to be executed.

Parameters:

Name	Type	Description
`e`	DataEventArgs	An object that represents the event arguments passed to this operation.
`cb`	function	A callback function that should be called at the end of this operation. The first argument may be an error if any occured.

Source:

types.js, line 444

beforeRemove(e, cb) → {DataEventListener}

Occurs before removing a data object.

Parameters:

Name	Type	Description
`e`	DataEventArgs	An object that represents the event arguments passed to this operation.
`cb`	function	A callback function that should be called at the end of this operation. The first argument may be an error if any occured.

Source:

types.js, line 477

Returns:

Type: DataEventListener

beforeSave(e, cb)

Occurs before creating or updating a data object.

Parameters:

Name	Type	Description
`e`	DataEventArgs	An object that represents the event arguments passed to this operation.
`cb`	function	A callback function that should be called at the end of this operation. The first argument may be an error if any occured.

Source:

types.js, line 460