HostEvent (ONOS Java API (2.7.0))

java.lang.Object
- org.onosproject.event.AbstractEvent<HostEvent.Type,Host>
- - org.onosproject.net.host.HostEvent

All Implemented Interfaces:

Event<HostEvent.Type,Host>
```
public class HostEvent
extends AbstractEvent<HostEvent.Type,Host>
```
Describes end-station host event.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class HostEvent.Type
Type of host events.

Constructor Summary

Constructors
Constructor	Description
`HostEvent(HostEvent.Type type, Host host)`	Creates an event of a given type and for the specified host and the current time.
`HostEvent(HostEvent.Type type, Host host, long time)`	Creates an event of a given type and for the specified host and time.
`HostEvent(HostEvent.Type type, Host host, Host prevSubject)`	Creates an event with previous subject.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

Host prevSubject()
Gets the previous subject in this host event.

String toString()
- Methods inherited from class org.onosproject.event.AbstractEvent
  subject, time, type
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - HostEvent
```
public HostEvent(HostEvent.Type type,
                 Host host)
```
    Creates an event of a given type and for the specified host and the current time.
    
    Parameters:
    
    type - host event type
    
    host - event host subject
  - HostEvent
```
public HostEvent(HostEvent.Type type,
                 Host host,
                 long time)
```
    Creates an event of a given type and for the specified host and time.
    
    Parameters:
    
    type - host event type
    
    host - event host subject
    
    time - occurrence time
  - HostEvent
```
public HostEvent(HostEvent.Type type,
                 Host host,
                 Host prevSubject)
```
    Creates an event with previous subject. The previous subject is ignored if the type is not moved or updated
    
    Parameters:
    
    type - host event type
    
    host - event host subject
    
    prevSubject - previous host subject
- Method Detail
  - prevSubject
```
public Host prevSubject()
```
    Gets the previous subject in this host event.
    
    Returns:
    
    the previous subject, or null if previous subject is not specified.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class AbstractEvent<HostEvent.Type,Host>