DefaultEdgeFunction (JGraphT : a free Java graph library)

java.lang.Object
- org.jgrapht.graph.DefaultEdgeFunction<E,T>

Type Parameters:

E - the edge type

T - the value type

All Implemented Interfaces:

Serializable, Function<E,T>
```
public class DefaultEdgeFunction<E,T>
extends Object
implements Function<E,T>, Serializable
```
Default implementation of an edge function which uses a map to store values.

Author:

Dimitrios Michail

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

protected T defaultValue

protected Map<E,T> map

Constructor Summary

Constructors
Constructor	Description
`DefaultEdgeFunction(T defaultValue)`	Create a new function
`DefaultEdgeFunction(T defaultValue, Map<E,T> map)`	Create a new function

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`T`	`apply(E e)`	Get the function value for an edge.
`T`	`get(E e)`	Get the function value for an edge.
`void`	`set(E e, T value)`	Set the function value for an edge.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Function
andThen, compose

- Field Detail
  - map
```
protected final Map<E,T> map
```
  - defaultValue
```
protected final T defaultValue
```
- Constructor Detail
  - DefaultEdgeFunction
```
public DefaultEdgeFunction(T defaultValue)
```
    Create a new function
    
    Parameters:
    
    defaultValue - the default value
    
    Throws:
    
    NullPointerException - if argument is null
  - DefaultEdgeFunction
```
public DefaultEdgeFunction(T defaultValue,
                           Map<E,T> map)
```
    Create a new function
    
    Parameters:
    
    defaultValue - the default value
    
    map - the underlying map
    
    Throws:
    
    NullPointerException - if either one of the arguments is null
- Method Detail
  - apply
```
public T apply(E e)
```
    Get the function value for an edge.
    
    Specified by:
    
    apply in interface Function<E,T>
    
    Parameters:
    
    e - the edge
  - get
```
public T get(E e)
```
    Get the function value for an edge.
    
    Parameters:
    
    e - the edge
    
    Returns:
    
    the function value for the edge
  - set
```
public void set(E e,
                T value)
```
    Set the function value for an edge.
    
    Parameters:
    
    e - the edge
    
    value - the value