Topology (ONOS Java API (2.3.0))

All Superinterfaces:

Provided

All Known Implementing Classes:

DefaultTopology
```
public interface Topology
extends Provided
```
Represents a network topology computation snapshot.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`clusterCount()`	Returns the number of SCCs (strongly connected components) in the topology.
`long`	`computeCost()`	Returns the time, specified in system nanos of how long the topology took to compute.
`long`	`creationTime()`	Returns the time, specified in system millis of when the topology became available.
`int`	`deviceCount()`	Returns the number of infrastructure devices in the topology.
`int`	`linkCount()`	Returns the number of infrastructure links in the topology.
`long`	`time()`	Returns the time, specified in system nanos of when the topology became available.

Methods inherited from interface org.onosproject.net.Provided
providerId

- Method Detail
  - time
```
long time()
```
    Returns the time, specified in system nanos of when the topology became available.
    
    Returns:
    
    time in system nanos
  - creationTime
```
long creationTime()
```
    Returns the time, specified in system millis of when the topology became available.
    
    Returns:
    
    time in system nanos
  - computeCost
```
long computeCost()
```
    Returns the time, specified in system nanos of how long the topology took to compute.
    
    Returns:
    
    elapsed time in system nanos
  - clusterCount
```
int clusterCount()
```
    Returns the number of SCCs (strongly connected components) in the topology.
    
    Returns:
    
    number of clusters
  - deviceCount
```
int deviceCount()
```
    Returns the number of infrastructure devices in the topology.
    
    Returns:
    
    number of devices
  - linkCount
```
int linkCount()
```
    Returns the number of infrastructure links in the topology.
    
    Returns:
    
    number of links