FeatureBased (de.bmiag.tapir:tapir 4.0.0 API)

All Known Implementing Classes:

FeatureBasedContainer, FeatureSpecificDataElement
```
public interface FeatureBased
```
Data objects which implement this interfaces are only provided if the FeatureExpression which is returned by getActivateByFeatureExpression() evaluates to true or if the method returns an empty Optional.

Since:

2.0.0

Author:

Oliver Libutzki <[email protected]>

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Optional<FeatureExpression>`	`getActivateByFeatureExpression()`	Returns the condition which has to match for this instance to be provided

- Method Detail
  - getActivateByFeatureExpression
```
java.util.Optional<FeatureExpression> getActivateByFeatureExpression()
```
    Returns the condition which has to match for this instance to be provided
    
    Returns:
    
    an instance of FeatureExpression. An empty Optional is handled like an expression which evaluates to true.
    
    Since:
    
    2.0.0