org.activiti.engine.impl.bpmn.diagram

Class ProcessDiagramGenerator

java.lang.Object

org.activiti.engine.impl.bpmn.diagram.ProcessDiagramGenerator

public class ProcessDiagramGenerator
extends Object

Class to generate an image based the diagram interchange information in a BPMN 2.0 process.

Author:

Joram Barrez

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	ProcessDiagramGenerator.ActivityDrawInstruction
protected static interface	ProcessDiagramGenerator.ArtifactDrawInstruction

Field Summary

Fields

Modifier and Type	Field and Description
protected static Map<Class<? extends org.activiti.bpmn.model.BaseElement>,ProcessDiagramGenerator.ActivityDrawInstruction>	activityDrawInstructions
protected static Map<Class<? extends org.activiti.bpmn.model.BaseElement>,ProcessDiagramGenerator.ArtifactDrawInstruction>	artifactDrawInstructions

Constructor Summary

Constructors

Constructor and Description
ProcessDiagramGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
protected static List<org.activiti.bpmn.model.GraphicInfo>	connectionPerfectionizer(ProcessDiagramCanvas processDiagramCanvas, org.activiti.bpmn.model.BpmnModel bpmnModel, org.activiti.bpmn.model.BaseElement sourceElement, org.activiti.bpmn.model.BaseElement targetElement, List<org.activiti.bpmn.model.GraphicInfo> graphicInfoList) This method makes coordinates of connection flow better.
protected static void	drawActivity(ProcessDiagramCanvas processDiagramCanvas, org.activiti.bpmn.model.BpmnModel bpmnModel, org.activiti.bpmn.model.FlowNode flowNode, List<String> highLightedActivities, List<String> highLightedFlows)
protected static void	drawArtifact(ProcessDiagramCanvas processDiagramCanvas, org.activiti.bpmn.model.BpmnModel bpmnModel, org.activiti.bpmn.model.Artifact artifact)
protected static List<org.activiti.bpmn.model.Artifact>	gatherAllArtifacts(org.activiti.bpmn.model.BpmnModel bpmnModel)
protected static List<org.activiti.bpmn.model.FlowNode>	gatherAllFlowNodes(org.activiti.bpmn.model.BpmnModel bpmnModel)
protected static List<org.activiti.bpmn.model.FlowNode>	gatherAllFlowNodes(org.activiti.bpmn.model.FlowElementsContainer flowElementsContainer)
protected static ProcessDiagramCanvas	generateDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel, List<String> highLightedActivities)
protected static ProcessDiagramCanvas	generateDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel, List<String> highLightedActivities, List<String> highLightedFlows)
static InputStream	generateDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel, String imageType, List<String> highLightedActivities)
static InputStream	generateDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel, String imageType, List<String> highLightedActivities, List<String> highLightedFlows)
static InputStream	generateJpgDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel) Generates a JPG diagram image of the given process definition, using the diagram interchange information of the process.
static InputStream	generatePngDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel) Generates a PNG diagram image of the given process definition, using the diagram interchange information of the process.
protected static org.activiti.bpmn.model.GraphicInfo	getLineCenter(List<org.activiti.bpmn.model.GraphicInfo> graphicInfoList)
protected static ProcessDiagramCanvas.SHAPE_TYPE	getShapeType(org.activiti.bpmn.model.BaseElement baseElement) This method returns shape type of base element. Each element can be presented as rectangle, rhombus, or ellipse.
protected static ProcessDiagramCanvas	initProcessDiagramCanvas(org.activiti.bpmn.model.BpmnModel bpmnModel)

Methods inherited from class java.lang.Object

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

Field Detail

activityDrawInstructions

protected static final Map<Class<? extends org.activiti.bpmn.model.BaseElement>,ProcessDiagramGenerator.ActivityDrawInstruction> activityDrawInstructions

artifactDrawInstructions

protected static final Map<Class<? extends org.activiti.bpmn.model.BaseElement>,ProcessDiagramGenerator.ArtifactDrawInstruction> artifactDrawInstructions

Constructor Detail

ProcessDiagramGenerator

public ProcessDiagramGenerator()

Method Detail

generatePngDiagram

public static InputStream generatePngDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel)

Generates a PNG diagram image of the given process definition, using the diagram interchange information of the process.

generateJpgDiagram

public static InputStream generateJpgDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel)

Generates a JPG diagram image of the given process definition, using the diagram interchange information of the process.

generateDiagram

protected static ProcessDiagramCanvas generateDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel,
                                   List<String> highLightedActivities)

generateDiagram

protected static ProcessDiagramCanvas generateDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel,
                                   List<String> highLightedActivities,
                                   List<String> highLightedFlows)

generateDiagram

public static InputStream generateDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities)

generateDiagram

public static InputStream generateDiagram(org.activiti.bpmn.model.BpmnModel bpmnModel,
                          String imageType,
                          List<String> highLightedActivities,
                          List<String> highLightedFlows)

drawActivity

protected static void drawActivity(ProcessDiagramCanvas processDiagramCanvas,
                org.activiti.bpmn.model.BpmnModel bpmnModel,
                org.activiti.bpmn.model.FlowNode flowNode,
                List<String> highLightedActivities,
                List<String> highLightedFlows)

connectionPerfectionizer

protected static List<org.activiti.bpmn.model.GraphicInfo> connectionPerfectionizer(ProcessDiagramCanvas processDiagramCanvas,
                                                                 org.activiti.bpmn.model.BpmnModel bpmnModel,
                                                                 org.activiti.bpmn.model.BaseElement sourceElement,
                                                                 org.activiti.bpmn.model.BaseElement targetElement,
                                                                 List<org.activiti.bpmn.model.GraphicInfo> graphicInfoList)

This method makes coordinates of connection flow better.

Parameters:

processDiagramCanvas -

bpmnModel -

sourceElement -

targetElement -

graphicInfoList -

Returns:

getShapeType

protected static ProcessDiagramCanvas.SHAPE_TYPE getShapeType(org.activiti.bpmn.model.BaseElement baseElement)

This method returns shape type of base element.
Each element can be presented as rectangle, rhombus, or ellipse.

Parameters:

baseElement -

Returns:

ProcessDiagramCanvas.SHAPE_TYPE

getLineCenter

protected static org.activiti.bpmn.model.GraphicInfo getLineCenter(List<org.activiti.bpmn.model.GraphicInfo> graphicInfoList)

drawArtifact

protected static void drawArtifact(ProcessDiagramCanvas processDiagramCanvas,
                org.activiti.bpmn.model.BpmnModel bpmnModel,
                org.activiti.bpmn.model.Artifact artifact)

initProcessDiagramCanvas

protected static ProcessDiagramCanvas initProcessDiagramCanvas(org.activiti.bpmn.model.BpmnModel bpmnModel)

gatherAllArtifacts

protected static List<org.activiti.bpmn.model.Artifact> gatherAllArtifacts(org.activiti.bpmn.model.BpmnModel bpmnModel)

gatherAllFlowNodes

protected static List<org.activiti.bpmn.model.FlowNode> gatherAllFlowNodes(org.activiti.bpmn.model.BpmnModel bpmnModel)

gatherAllFlowNodes

protected static List<org.activiti.bpmn.model.FlowNode> gatherAllFlowNodes(org.activiti.bpmn.model.FlowElementsContainer flowElementsContainer)