org.apache.giraph.edge

Class EdgeFactory

java.lang.Object

org.apache.giraph.edge.EdgeFactory

public class EdgeFactory
extends Object

Factory for creating Edges

Method Summary

Modifier and Type	Method and Description
static <I extends org.apache.hadoop.io.WritableComparable> Edge<I,org.apache.hadoop.io.NullWritable>	create(I id) Create an edge pointing to a given ID without a value
static <I extends org.apache.hadoop.io.WritableComparable,E extends org.apache.hadoop.io.Writable> Edge<I,E>	create(I id, E value) Create an edge pointing to a given ID with a value
static <I extends org.apache.hadoop.io.WritableComparable> ReusableEdge<I,org.apache.hadoop.io.NullWritable>	createReusable(I id) Create a reusable edge pointing to a given ID with a value
static <I extends org.apache.hadoop.io.WritableComparable,E extends org.apache.hadoop.io.Writable> ReusableEdge<I,E>	createReusable(I id, E value) Create a reusable edge pointing to a given ID with a value

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

create

public static <I extends org.apache.hadoop.io.WritableComparable,E extends org.apache.hadoop.io.Writable> Edge<I,E> create(I id,
                                                                                                                           E value)

Create an edge pointing to a given ID with a value

Type Parameters:

I - Vertex ID type

E - Edge Value type

Parameters:

id - target ID

value - edge value

Returns:

Edge pointing to ID with value

create

public static <I extends org.apache.hadoop.io.WritableComparable> Edge<I,org.apache.hadoop.io.NullWritable> create(I id)

Create an edge pointing to a given ID without a value

Type Parameters:

I - Vertex ID type

Parameters:

id - target ID

Returns:

Edge pointing to ID without a value

createReusable

public static <I extends org.apache.hadoop.io.WritableComparable,E extends org.apache.hadoop.io.Writable> ReusableEdge<I,E> createReusable(I id,
                                                                                                                                           E value)

Create a reusable edge pointing to a given ID with a value

Type Parameters:

I - Vertex ID type

E - Edge Value type

Parameters:

id - target ID

value - edge value

Returns:

Edge pointing to ID with value

createReusable

public static <I extends org.apache.hadoop.io.WritableComparable> ReusableEdge<I,org.apache.hadoop.io.NullWritable> createReusable(I id)

Create a reusable edge pointing to a given ID with a value

Type Parameters:

I - Vertex ID type

Parameters:

id - target ID

Returns:

Edge pointing to ID with value