BusLayer (Arakhnê Foundation Classes 17.0 API)

All Known Implementing Classes:

BusItineraryLayer, BusLineLayer, BusNetworkLayer
```
public interface BusLayer
```
A bus layer is a container of bus primitives. This interface provides all the functions common to all the bus layers.

Since:

14.0

Version:

17.0 2020-01-04 14:41:56

Author:

Stéphane GALLAND

Maven Group Id:

org.arakhne.afc.gis

Maven Artifact Id:

gisbus

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`BusPrimitiveInvalidity`	`getInvalidityReason()`	Replies the explanation of the invalidity of the primitive.
`boolean`	`isValidLayer()`	Replies if this layer and its content is marked as valid.
`void`	`revalidate()`	Check if the validity of this layer is correctly set and change its values if necessary.

- Method Detail
  - isValidLayer
```
@Pure
boolean isValidLayer()
```
    Replies if this layer and its content is marked as valid.
    The validity of a bus primitive depends on the type of this primitive. Please refers to the documentation of that primitive.
    
    Returns:
    
    true if the layer is valid, otherwise false
  - getInvalidityReason
```
@Pure
BusPrimitiveInvalidity getInvalidityReason()
```
    Replies the explanation of the invalidity of the primitive.
    
    Returns:
    
    the invalidity reason.
  - revalidate
```
void revalidate()
```
    Check if the validity of this layer is correctly set and change its values if necessary. This function revalidate also all the layers and primitives inside this layer.