DataManager is used to manage and manipulate relational data.
Processes the middleware stack after receiving the response.
| Parameter | Type | Description |
|---|---|---|
| response | string | Object |
The response object. |
Returns Promise
Processes the middleware stack before sending the request.
| Parameter | Type | Description |
|---|---|---|
| request | Object |
The request object. |
Returns Promise
Executes the given query with local data source.
| Parameter | Type | Description |
|---|---|---|
| query (optional) | Query |
Defines the query to retrieve data. |
Returns Object[]
Executes the given query with either local or remote data source. It will be executed as asynchronously and returns Promise object which will be resolved or rejected after action completed.
| Parameter | Type | Description |
|---|---|---|
| query | Query | Function |
Defines the query to retrieve data. |
| done (optional) | Function |
Defines the callback function and triggers when the Promise is resolved. |
| fail (optional) | Function |
Defines the callback function and triggers when the Promise is rejected. |
| always (optional) | Function |
Defines the callback function and triggers when the Promise is resolved or rejected. |
Returns Promise
Get the queries maintained in the persisted state.
| Parameter | Type | Description |
|---|---|---|
| id (optional) | string |
The identifier of the persisted query to retrieve. |
Returns object
Inserts new record in the given table.
| Parameter | Type | Description |
|---|---|---|
| data | Object |
Defines the data to insert. |
| tableName (optional) | string | Query |
Defines the table name. |
| query (optional) | Query |
Sets default query for the DataManager. |
| position (optional) | number |
Returns Object | Promise
Removes data from the table with the given key.
| Parameter | Type | Description |
|---|---|---|
| keyField | string |
Defines the column field. |
| value | Object |
Defines the value to find the data in the specified column. |
| tableName (optional) | string | Query |
Defines the table name |
| query (optional) | Query |
Sets default query for the DataManager. |
Returns Object | Promise
Save bulk changes to the given table name. User can add a new record, edit an existing record, and delete a record at the same time. If the datasource from remote, then updated in a single post.
| Parameter | Type | Description |
|---|---|---|
| changes | Object |
Defines the CrudOptions. |
| key (optional) | string |
Defines the column field. |
| tableName (optional) | string | Query |
Defines the table name. |
| query (optional) | Query |
Sets default query for the DataManager. |
| original (optional) | Object |
Returns Promise | Object
Overrides DataManager’s default query with given query.
| Parameter | Type | Description |
|---|---|---|
| query | Query |
Defines the new default query. |
Returns DataManager
Set the queries to be maintained in the persisted state.
| Parameter | Type | Description |
|---|---|---|
| e | Event |
The event parameter that triggers the setPersistData method. |
| id (optional) | string |
The identifier of the persisted query to set. |
| persistData (optional) | object |
The data to be persisted. |
Returns void
Updates existing record in the given table.
| Parameter | Type | Description |
|---|---|---|
| keyField | string |
Defines the column field. |
| value | Object |
Defines the value to find the data in the specified column. |
| tableName (optional) | string | Query |
Defines the table name |
| query (optional) | Query |
Sets default query for the DataManager. |
| original (optional) | Object |
Returns Object | Promise
Registers a new middleware in the DataManager.
Returns Promise