Edge (GTF 2.0.1 API)

Type Parameters:

V - the type of the decorated vertex value

E - the type of the decorated edge value

All Superinterfaces:

MetaTagCollection

All Known Subinterfaces:

EdgeView<V,E>

All Known Implementing Classes:

AbstractEdge, EdgeImpl, EdgeViewImpl
```
public interface Edge<V,E>
extends MetaTagCollection
```
an edge has a source and a target

Since:

1.0

Author:

Andreas Schuler

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`E`	`getElement()`	Returns the element associated with the edge
`Vertex<V,E>`	`getSource()`	get the source of the edge
`Vertex<V,E>`	`getTarget()`	get the target of the edge
`double`	`getWeight()`	Returns the weight of the edge

Methods inherited from interface science.aist.gtf.graph.MetaTagCollection
addMetaTag, getMetaTags, getMetaTagValue, getMetaTagValue, removeMetaTag, removeMetaTag, tryGetMetaTagValue, tryGetMetaTagValue

- Method Detail
  - getSource
```
Vertex<V,E> getSource()
```
    get the source of the edge
    
    Returns:
    
    the source
  - getTarget
```
Vertex<V,E> getTarget()
```
    get the target of the edge
    
    Returns:
    
    the target
  - getWeight
```
double getWeight()
```
    Returns the weight of the edge
    
    Returns:
    
    the weight of the edge
  - getElement
```
E getElement()
```
    Returns the element associated with the edge
    
    Returns:
    
    the element associated with the edge, or null if not present