PartitioningAlgorithm.PartitioningImpl (JGraphT : a free Java graph library)

java.lang.Object
- org.jgrapht.alg.interfaces.PartitioningAlgorithm.PartitioningImpl<V>

Type Parameters:

V - the vertex type

All Implemented Interfaces:

Serializable, Iterable<Set<V>>, PartitioningAlgorithm.Partitioning<V>

Enclosing interface:

PartitioningAlgorithm<V>
```
public static class PartitioningAlgorithm.PartitioningImpl<V>
extends Object
implements PartitioningAlgorithm.Partitioning<V>, Serializable
```
Default implementation of a vertex partition

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`PartitioningImpl(List<Set<V>> classes)`	Construct a new vertex partitioning.
`PartitioningImpl(Map<V,Integer> vertexToPartitionMap)`	Construct a new vertex partitioning.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getNumberPartitions()`	Get the number of partitions.
`Set<V>`	`getPartition(int index)`	Get the index-th partition (0-based).
`Iterator<Set<V>>`	`iterator()`
`String`	`toString()`

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

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Methods inherited from interface org.jgrapht.alg.interfaces.PartitioningAlgorithm.Partitioning
getPartitions

- Constructor Detail
  - PartitioningImpl
```
public PartitioningImpl(List<Set<V>> classes)
```
    Construct a new vertex partitioning.
    
    Parameters:
    
    classes - the partition classes
    
    Throws:
    
    NullPointerException - if classes is null
  - PartitioningImpl
```
public PartitioningImpl(Map<V,Integer> vertexToPartitionMap)
```
    Construct a new vertex partitioning.
    
    Parameters:
    
    vertexToPartitionMap - the vertex to partition index map
    
    Throws:
    
    NullPointerException - if vertexToPartitionMap is null
- Method Detail
  - getNumberPartitions
```
public int getNumberPartitions()
```
    Get the number of partitions.
    
    Specified by:
    
    getNumberPartitions in interface PartitioningAlgorithm.Partitioning<V>
    
    Returns:
    
    the number of partitions
  - getPartition
```
public Set<V> getPartition(int index)
```
    Get the index-th partition (0-based).
    
    Specified by:
    
    getPartition in interface PartitioningAlgorithm.Partitioning<V>
    
    Parameters:
    
    index - index of the partition to return
    
    Returns:
    
    the index-th partition
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - iterator
```
public Iterator<Set<V>> iterator()
```
    Specified by:
    
    iterator in interface Iterable<V>