org.apache.flink.graph.drivers.input

Class PathGraph

java.lang.Object

org.apache.flink.graph.drivers.parameter.ParameterizedBase

org.apache.flink.graph.drivers.input.InputBase<K,NullValue,NullValue>

org.apache.flink.graph.drivers.input.GeneratedGraph

org.apache.flink.graph.drivers.input.PathGraph

All Implemented Interfaces:

Input, Parameterized, Transformable

public class PathGraph
extends GeneratedGraph

Generate a PathGraph.

Field Summary

Fields inherited from class org.apache.flink.graph.drivers.input.InputBase

parallelism

Constructor Summary

Constructors

Constructor and Description
PathGraph()

Method Summary

Modifier and Type	Method and Description
Graph<LongValue,NullValue,NullValue>	create(ExecutionEnvironment env) Create the input Graph.
String	getIdentity() A human-readable identifier summarizing the input and configuration.
protected long	vertexCount() The vertex count is verified to be no greater than the capacity of the selected data type.

Methods inherited from class org.apache.flink.graph.drivers.input.GeneratedGraph

getTransformers

Methods inherited from class org.apache.flink.graph.drivers.input.InputBase

getName

Methods inherited from class org.apache.flink.graph.drivers.parameter.ParameterizedBase

addParameter, configure, getUsage

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.graph.drivers.parameter.Parameterized

configure, getUsage

Constructor Detail

PathGraph

public PathGraph()

Method Detail

getIdentity

public String getIdentity()

Description copied from interface: Input

A human-readable identifier summarizing the input and configuration.

Returns:

the input identifier

vertexCount

protected long vertexCount()

Description copied from class: GeneratedGraph

The vertex count is verified to be no greater than the capacity of the selected data type. All vertices must be counted even if skipped or unused when generating graph edges.

Specified by:

vertexCount in class GeneratedGraph

Returns:

number of vertices configured for the graph

create

public Graph<LongValue,NullValue,NullValue> create(ExecutionEnvironment env)

Description copied from interface: Input

Create the input Graph.

Parameters:

env - the ExecutionEnvironment

Returns:

the input Graph