org.apache.oozie.fluentjob.api

Class GraphVisualization

java.lang.Object

org.apache.oozie.fluentjob.api.GraphVisualization

public class GraphVisualization
extends Object

Given a Graph or a Workflow instance, creates a visually appealing output using nidi-graphviz library in either .dot or .png format into PARENT_FOLDER_NAME.

Applying memory constraints, the width of the resulting .png is limited to PNG_WIDTH.

Constructor Summary

Constructors

Constructor and Description
GraphVisualization()

Method Summary

Modifier and Type	Method and Description
static String	graphToDot(Graph graph)
static void	graphToPng(Graph graph, String fileName)
static void	workflowToPng(Workflow workflow, String fileName)

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphVisualization

public GraphVisualization()

Method Detail

graphToDot

public static String graphToDot(Graph graph)

graphToPng

public static void graphToPng(Graph graph,
                              String fileName)
                       throws IOException

Throws:

IOException

workflowToPng

public static void workflowToPng(Workflow workflow,
                                 String fileName)
                          throws IOException

Throws:

IOException