ShouldWriteDataDelegate (vaadin-server 8.21.0 API)

All Superinterfaces:

java.io.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 ShouldWriteDataDelegate
extends java.io.Serializable
```
Delegate used by DesignContext to determine whether container data should be written out for a component.

Since:

7.5.0

Author:

Vaadin Ltd

See Also:

DesignContext.shouldWriteData(Component)

Field Summary

Fields
Modifier and Type	Field	Description
`static ShouldWriteDataDelegate`	`DEFAULT`	The default delegate implementation that assumes that all component data is provided by a data provider connected to a back end system and that the data should thus not be written.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`shouldWriteData(Component component)`	Determines whether the container data of a component should be written out.

- Field Detail
  - DEFAULT
```
static final ShouldWriteDataDelegate DEFAULT
```
    The default delegate implementation that assumes that all component data is provided by a data provider connected to a back end system and that the data should thus not be written.
- Method Detail
  - shouldWriteData
```
boolean shouldWriteData(Component component)
```
    Determines whether the container data of a component should be written out.
    
    Parameters:
    
    component - the component to check
    
    Returns:
    
    true if container data should be written out for the provided component; otherwise false.