ConnectorIdGenerator (vaadin-all 8.27.7 API)

All Superinterfaces:

Serializable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ConnectorIdGenerator
extends Serializable
```
Callback for generating the id for new connectors. A generator can be registered to be used with an application by overriding VaadinService.initConnectorIdGenerator(java.util.List) or by calling ServiceInitEvent.addConnectorIdGenerator(ConnectorIdGenerator) from a VaadinServiceInitListener.

Since:

8.1

Author:

Vaadin Ltd

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`generateConnectorId(ConnectorIdGenerationEvent event)`	Generates a connector id for a connector.
`static String`	`generateDefaultConnectorId(ConnectorIdGenerationEvent event)`	Generates a connector id using the default logic by using `VaadinSession.getNextConnectorId()`.

- Method Detail
  - generateConnectorId
```
String generateConnectorId(ConnectorIdGenerationEvent event)
```
    Generates a connector id for a connector.
    
    Parameters:
    
    event - the event object that has a reference to the connector and the session, not null
    
    Returns:
    
    the connector id to use for the connector, not null
  - generateDefaultConnectorId
```
static String generateDefaultConnectorId(ConnectorIdGenerationEvent event)
```
    Generates a connector id using the default logic by using VaadinSession.getNextConnectorId().
    
    Parameters:
    
    event - the event object that has a reference to the connector and the session, not null
    
    Returns:
    
    the connector id to use for the connector, not null