Projectable (ONOS Java API (2.2.5))

All Known Subinterfaces:

Device, DisjointPath, EdgeLink, Element, ForwardingDevice, Host, HostProbe, Link, Path

All Known Implementing Classes:

AbstractElement, AbstractProjectableModel, DefaultDevice, DefaultDisjointPath, DefaultEdgeLink, DefaultHost, DefaultLink, DefaultPath
```
@Beta
public interface Projectable
```
Abstraction of an entity capable of being projected as another entity.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`<B extends Behaviour> B`	`as(java.lang.Class<B> projectionClass)`	Returns the specified projection of this entity if such projection is supported.
`<B extends Behaviour> boolean`	`is(java.lang.Class<B> projectionClass)`	Returns true if this entity is capable of being projected as the specified class.
`default <B extends Behaviour> java.util.Optional<B>`	`project(java.lang.Class<B> projectionClass)`	Returns the specified projection of this entity if such projection is supported.

- Method Detail
  - as
```
<B extends Behaviour> B as(java.lang.Class<B> projectionClass)
```
    Returns the specified projection of this entity if such projection is supported.
    
    Type Parameters:
    
    B - type of behaviour
    
    Parameters:
    
    projectionClass - requested projection class
    
    Returns:
    
    projection instance
    
    Throws:
    
    java.lang.IllegalStateException - if a driver cannot be found
    
    java.lang.IllegalArgumentException - if the projection is not supported
  - is
```
<B extends Behaviour> boolean is(java.lang.Class<B> projectionClass)
```
    Returns true if this entity is capable of being projected as the specified class.
    
    Type Parameters:
    
    B - type of behaviour
    
    Parameters:
    
    projectionClass - requested projection class
    
    Returns:
    
    true if the requested projection is supported
  - project
```
default <B extends Behaviour> java.util.Optional<B> project(java.lang.Class<B> projectionClass)
```
    Returns the specified projection of this entity if such projection is supported.
    
    Type Parameters:
    
    B - type of behaviour
    
    Parameters:
    
    projectionClass - requested projection class
    
    Returns:
    
    projection instance