Examples with ProcessInstanceLoader com.centurylink.mdw.designer.runtime.ProcessInstanceLoader used on opensource projects

Example 1 with ProcessInstanceLoader

use of com.centurylink.mdw.designer.runtime.ProcessInstanceLoader in project mdw-designer by CenturyLinkCloud.

the class DesignerProxy method loadProcessInstance.

public RunTimeDesignerCanvas loadProcessInstance(WorkflowProcess processVersion, ProcessInstancePage processInstancePage) {
    CodeTimer timer = new CodeTimer("loadProcessInstance()");
    ProcessInstanceVO processInstanceInfo = processVersion.getProcessInstance();
    ProcessInstanceLoader instanceLoadThread = new ProcessInstanceLoader(processInstanceInfo, processInstancePage);
    String errorMessage = null;
    try {
        Graph processGraph = dataAccess.getDesignerDataModel().findProcessGraph(processVersion.getId(), null);
        if (processGraph == null)
            processGraph = processInstancePage.loadProcess(processInstanceInfo.getProcessId(), null);
        processVersion.setProcessVO(processGraph.getProcessVO());
        DesignerDataAccess dao = processVersion.getDesignerDataAccess() == null ? processInstancePage.frame.dao : processVersion.getDesignerDataAccess();
        Graph procInstGraph = instanceLoadThread.loadCompletionMap(processGraph.getProcessVO(), processInstanceInfo, dao);
        ProcessInstanceTreeModel model = instanceLoadThread.createOrUpdateModel(null);
        model.getCurrentProcess().setGraph(procInstGraph);
        processInstancePage.setData(model, processInstancePage);
        Map<Long, List<TaskInstanceVO>> taskInstances = new HashMap<>();
        // embedded subprocesses
        List<ProcessInstanceVO> embeddedSubs = new ArrayList<>();
        if (procInstGraph.subgraphs != null) {
            for (SubGraph instSubGraph : procInstGraph.subgraphs) {
                if (instSubGraph.getInstances() != null) {
                    if (instSubGraph.nodes != null) {
                        List<Long> taskActivityIds = new ArrayList<>();
                        for (Node node : instSubGraph.nodes) {
                            if (node.isTaskActivity()) {
                                for (ProcessInstanceVO embeddedProcInst : instSubGraph.getInstances()) {
                                    if (!embeddedProcInst.getActivityInstances(node.getActivityId()).isEmpty())
                                        taskActivityIds.add(node.getActivityId());
                                }
                            }
                        }
                        if (!taskActivityIds.isEmpty()) {
                            for (ProcessInstanceVO embeddedProcInst : instSubGraph.getInstances()) {
                                ProcessVO embeddedProc = instSubGraph.getGraph().getProcessVO();
                                Map<Long, List<TaskInstanceVO>> embeddedTaskInsts = dao.getTaskInstances(embeddedProc, embeddedProcInst, taskActivityIds);
                                for (Map.Entry<Long, List<TaskInstanceVO>> embeddedTaskInst : embeddedTaskInsts.entrySet()) {
                                    if (taskInstances.get(embeddedTaskInst.getKey()) == null)
                                        taskInstances.put(embeddedTaskInst.getKey(), new ArrayList<TaskInstanceVO>());
                                    taskInstances.get(embeddedTaskInst.getKey()).addAll(embeddedTaskInst.getValue());
                                }
                            }
                        }
                    }
                    embeddedSubs.addAll(instSubGraph.getInstances());
                }
            }
        }
        processVersion.setEmbeddedSubProcessInstances(embeddedSubs);
        // manual task instances
        if (processGraph.nodes != null) {
            List<Long> taskActivityIds = new ArrayList<>();
            for (Node node : processGraph.nodes) {
                if (node.isTaskActivity() && !processInstanceInfo.getActivityInstances(node.getActivityId()).isEmpty())
                    taskActivityIds.add(node.getActivityId());
            }
            if (!taskActivityIds.isEmpty()) {
                Map<Long, List<TaskInstanceVO>> taskInsts = dao.getTaskInstances(processVersion.getProcessVO(), processInstanceInfo, taskActivityIds);
                for (Map.Entry<Long, List<TaskInstanceVO>> taskInst : taskInsts.entrySet()) {
                    if (taskInstances.get(taskInst.getKey()) == null)
                        taskInstances.put(taskInst.getKey(), new ArrayList<TaskInstanceVO>());
                    taskInstances.get(taskInst.getKey()).addAll(taskInst.getValue());
                }
            }
        }
        processVersion.setTaskInstances(taskInstances);
    } catch (Exception ex) {
        PluginMessages.log(ex);
        errorMessage = PluginMessages.getUserMessage(ex);
    }
    if (errorMessage == null)
        errorMessage = instanceLoadThread.getErrorMessage();
    if (errorMessage != null) {
        PluginMessages.uiError(errorMessage, "Load Process Instance");
    }
    timer.stopAndLog();
    return processInstancePage.canvas;
}