public ActivityImpl getActivity(HistoricActivityInstanceEntity historicActivityInstanceEntity) {
ProcessDefinitionEntity processDefinitionEntity =
new GetDeploymentProcessDefinitionCmd(
historicActivityInstanceEntity.getProcessDefinitionId())
.execute(Context.getCommandContext());
return processDefinitionEntity.findActivity(historicActivityInstanceEntity.getActivityId());
}
public void createBPMNShape(
String key, GraphicInfo graphicInfo, ProcessDefinitionEntity processDefinition) {
ActivityImpl activity = processDefinition.findActivity(key);
if (activity != null) {
createDIBounds(graphicInfo, activity);
} else {
org.activiti.engine.impl.pvm.process.Lane lane = processDefinition.getLaneForId(key);
if (lane != null) {
// The shape represents a lane
createDIBounds(graphicInfo, lane);
} else {
bpmnModel.addProblem(
"Invalid reference in 'bpmnElement' attribute, activity " + key + " not found",
graphicInfo);
}
}
}
public void processDI() {
if (bpmnModel.getLocationMap().size() > 0) {
for (Process process : bpmnModel.getProcesses()) {
if (process.isExecutable() == false) continue;
ProcessDefinitionEntity processDefinition = getProcessDefinition(process.getId());
if (processDefinition != null) {
processDefinition.setGraphicalNotationDefined(true);
for (String shapeId : bpmnModel.getLocationMap().keySet()) {
if (processDefinition.findActivity(shapeId) != null) {
createBPMNShape(shapeId, bpmnModel.getGraphicInfo(shapeId), processDefinition);
}
}
for (String edgeId : bpmnModel.getFlowLocationMap().keySet()) {
if (bpmnModel.getFlowElement(edgeId) != null) {
createBPMNEdge(edgeId, bpmnModel.getFlowLocationGraphicInfo(edgeId));
}
}
}
}
}
}
public void initSource() {
// source task
this.jumpInfo.setSourceTaskId(this.taskId);
TaskEntity sourceTask =
Context.getCommandContext().getTaskEntityManager().findTaskById(this.taskId);
this.jumpInfo.setSourceTask(sourceTask);
ProcessDefinitionEntity processDefinitionEntity =
Context.getProcessEngineConfiguration()
.getDeploymentManager()
.findDeployedProcessDefinitionById(sourceTask.getProcessDefinitionId());
// source activity
this.jumpInfo.setSourceActivityId(sourceTask.getTaskDefinitionKey());
this.jumpInfo.setSourceActivity(
processDefinitionEntity.findActivity(this.jumpInfo.getSourceActivityId()));
HistoricTaskInstanceEntity sourceHistoryTask =
Context.getCommandContext()
.getHistoricTaskInstanceEntityManager()
.findHistoricTaskInstanceById(this.jumpInfo.getSourceTaskId());
}
public InputStream generateDiagram(String processInstanceId) throws IOException {
HistoricProcessInstance historicProcessInstance =
Context.getCommandContext()
.getHistoricProcessInstanceEntityManager()
.findHistoricProcessInstance(processInstanceId);
String processDefinitionId = historicProcessInstance.getProcessDefinitionId();
GetBpmnModelCmd getBpmnModelCmd = new GetBpmnModelCmd(processDefinitionId);
BpmnModel bpmnModel = getBpmnModelCmd.execute(Context.getCommandContext());
Point point = getMinXAndMinY(bpmnModel);
this.minX = point.x;
this.minY = point.y;
this.minX = (this.minX <= 5) ? 5 : this.minX;
this.minY = (this.minY <= 5) ? 5 : this.minY;
this.minX -= 5;
this.minY -= 5;
ProcessDefinitionEntity definition =
new GetDeploymentProcessDefinitionCmd(processDefinitionId)
.execute(Context.getCommandContext());
String diagramResourceName = definition.getDiagramResourceName();
String deploymentId = definition.getDeploymentId();
byte[] bytes =
Context.getCommandContext()
.getResourceEntityManager()
.findResourceByDeploymentIdAndResourceName(deploymentId, diagramResourceName)
.getBytes();
InputStream originDiagram = new ByteArrayInputStream(bytes);
BufferedImage image = ImageIO.read(originDiagram);
HistoricActivityInstanceQueryImpl historicActivityInstanceQueryImpl =
new HistoricActivityInstanceQueryImpl();
historicActivityInstanceQueryImpl
.processInstanceId(processInstanceId)
.orderByHistoricActivityInstanceStartTime()
.asc();
Page page = new Page(0, 100);
List<HistoricActivityInstance> activityInstances =
Context.getCommandContext()
.getHistoricActivityInstanceEntityManager()
.findHistoricActivityInstancesByQueryCriteria(historicActivityInstanceQueryImpl, page);
this.drawHistoryFlow(image, processInstanceId);
for (HistoricActivityInstance historicActivityInstance : activityInstances) {
String historicActivityId = historicActivityInstance.getActivityId();
ActivityImpl activity = definition.findActivity(historicActivityId);
if (activity != null) {
if (historicActivityInstance.getEndTime() == null) {
// 节点正在运行中
signRunningNode(
image,
activity.getX() - this.minX,
activity.getY() - this.minY,
activity.getWidth(),
activity.getHeight(),
historicActivityInstance.getActivityType());
} else {
String deleteReason = null;
if (historicActivityInstance.getTaskId() != null) {
deleteReason =
Context.getCommandContext()
.getHistoricTaskInstanceEntityManager()
.findHistoricTaskInstanceById(historicActivityInstance.getTaskId())
.getDeleteReason();
}
// 节点已经结束
if ("跳过".equals(deleteReason)) {
signSkipNode(
image,
activity.getX() - this.minX,
activity.getY() - this.minY,
activity.getWidth(),
activity.getHeight(),
historicActivityInstance.getActivityType());
} else {
signHistoryNode(
image,
activity.getX() - this.minX,
activity.getY() - this.minY,
activity.getWidth(),
activity.getHeight(),
historicActivityInstance.getActivityType());
}
}
}
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
String formatName = getDiagramExtension(diagramResourceName);
ImageIO.write(image, formatName, out);
return new ByteArrayInputStream(out.toByteArray());
}