Examples with ActivityImplementorVO com.centurylink.mdw.model.value.activity.ActivityImplementorVO used on opensource projects

Example 6 with ActivityImplementorVO

use of com.centurylink.mdw.model.value.activity.ActivityImplementorVO in project mdw-designer by CenturyLinkCloud.

the class Importer method importPackage.

public WorkflowPackage importPackage(final WorkflowProject project, final String content, final ProgressMonitor progressMonitor) throws DataAccessException, RemoteException, ActionCancelledException, JSONException, XmlException {
    CodeTimer timer = new CodeTimer("importPackage()");
    int preexistingVersion = -1;
    importedPackageVO = null;
    progressMonitor.start("Importing Package into: '" + project.getLabel() + "'");
    progressMonitor.progress(5);
    progressMonitor.subTask(PARSING_XML);
    boolean isJson = content.trim().startsWith("{");
    importedPackageVO = parsePackageContent(content);
    progressMonitor.subTask("Importing " + importedPackageVO.getLabel());
    progressMonitor.progress(10);
    final WorkflowPackage existing = project.getPackage(importedPackageVO.getPackageName());
    if (existing != null) {
        if (existing.getVersion() == importedPackageVO.getVersion()) {
            final String msg = project.getName() + " already contains Package '" + importedPackageVO.getPackageName() + "' v" + importedPackageVO.getVersionString();
            if (shell != null) {
                shell.getDisplay().syncExec(new Runnable() {

                    public void run() {
                        if (!MessageDialog.openConfirm(shell, "Import Package", msg + ".\nImport this package?"))
                            importedPackageVO = null;
                    }
                });
            } else {
                PluginMessages.log(msg);
            }
            if (importedPackageVO != null) {
                // overwrite existing
                importedPackageVO.setPackageId(existing.getId());
                if (!isLocal())
                    importedPackageVO.setVersion(0);
                preexistingVersion = existing.getVersion();
            }
        } else if (existing.getVersion() > importedPackageVO.getVersion()) {
            final String msg = project.getName() + " already contains Package '" + importedPackageVO.getPackageName() + "' v" + existing.getVersionString() + ", whose version is greater than that of the imported package.  Cannot continue.";
            if (shell != null) {
                shell.getDisplay().syncExec(new Runnable() {

                    public void run() {
                        MessageDialog.openError(shell, "Import Package", msg);
                        importedPackageVO = null;
                    }
                });
            } else {
                PluginMessages.log(msg);
            }
        }
        if (importedPackageVO == null)
            return null;
    }
    if (shell != null && progressMonitor.isCanceled())
        throw new ActionCancelledException();
    progressMonitor.progress(10);
    progressMonitor.subTask("Checking elements");
    final List<WorkflowElement> conflicts = new ArrayList<>();
    final List<WorkflowElement> conflictsWithDifferences = new ArrayList<>();
    final List<ProcessVO> existingProcessVOs = new ArrayList<>();
    List<ProcessVO> processVOsToBeImported = new ArrayList<>();
    ProcessExporter exporter = null;
    for (ProcessVO importedProcessVO : importedPackageVO.getProcesses()) {
        WorkflowProcess existingProcess = project.getProcess(importedProcessVO.getProcessName(), importedProcessVO.getVersionString());
        if (existingProcess != null) {
            conflicts.add(existingProcess);
            if (project.getDataAccess().getSupportedSchemaVersion() >= DataAccess.schemaVersion52 && MdwPlugin.getSettings().isCompareConflictingAssetsDuringImport()) {
                progressMonitor.subTask("Comparing processes (can be disabled in prefs)");
                // content comparison
                if (exporter == null)
                    exporter = DataAccess.getProcessExporter(project.getDataAccess().getSchemaVersion(), project.isOldNamespaces() ? DesignerCompatibility.getInstance() : null);
                String existingProcessXml = project.getDataAccess().loadRuleSet(existingProcess.getId()).getRuleSet();
                String importedProcessXml = isJson ? importedProcessVO.getJson().toString(2) : exporter.exportProcess(importedProcessVO, project.getDataAccess().getSchemaVersion(), null);
                if (project.getDataAccess().getSupportedSchemaVersion() < DataAccess.schemaVersion55) {
                    // may need to replace old namespace prefix in existing
                    // to avoid false positives in 5.2
                    String oldNamespaceDecl = "xmlns:xs=\"http://mdw.qwest.com/XMLSchema\"";
                    int oldNsIdx = existingProcessXml.indexOf(oldNamespaceDecl);
                    if (oldNsIdx > 0) {
                        String newNamespaceDecl = "xmlns:bpm=\"http://mdw.qwest.com/XMLSchema\"";
                        existingProcessXml = existingProcessXml.substring(0, oldNsIdx) + newNamespaceDecl + importedProcessXml.substring(oldNsIdx + oldNamespaceDecl.length() + 2);
                        existingProcessXml = existingProcessXml.replaceAll("<xs:", "<bpm:");
                        existingProcessXml = existingProcessXml.replaceAll("</xs:", "</bpm:");
                    }
                }
                // avoid false positives
                existingProcessXml = existingProcessXml.replaceAll("\\s*<bpm:Attribute Name=\"REFERENCED_ACTIVITIES\".*/>", "");
                existingProcessXml = existingProcessXml.replaceAll("\\s*<bpm:Attribute Name=\"REFERENCED_PROCESSES\".*/>", "");
                existingProcessXml = existingProcessXml.replaceFirst(" packageVersion=\"0.0\"", "");
                existingProcessXml = existingProcessXml.replaceAll("\\s*<bpm:Attribute Name=\"processid\".*/>", "");
                if (!existingProcessXml.equals(importedProcessXml))
                    conflictsWithDifferences.add(existingProcess);
            }
            if (isLocal())
                processVOsToBeImported.add(importedProcessVO);
            else
                existingProcessVOs.add(existingProcess.getProcessVO());
        } else {
            if (project.getDataAccess().getSupportedSchemaVersion() >= DataAccess.schemaVersion52)
                // not optional
                importedProcessVO.setInRuleSet(true);
            processVOsToBeImported.add(importedProcessVO);
        }
        for (ProcessVO subProcVO : importedProcessVO.getSubProcesses()) {
            WorkflowProcess existingSubProc = project.getProcess(subProcVO.getProcessName(), subProcVO.getVersionString());
            if (existingSubProc != null) {
                conflicts.add(existingSubProc);
                existingProcessVOs.add(existingSubProc.getProcessVO());
                if (!isLocal())
                    existingProcessVOs.add(existingSubProc.getProcessVO());
            }
        }
    }
    if (shell != null && progressMonitor.isCanceled())
        throw new ActionCancelledException();
    progressMonitor.progress(10);
    final List<RuleSetVO> existingRuleSets = new ArrayList<>();
    List<RuleSetVO> ruleSetsToBeImported = new ArrayList<>();
    final List<RuleSetVO> emptyRuleSets = new ArrayList<>();
    if (importedPackageVO.getRuleSets() != null) {
        for (RuleSetVO importedRuleSet : importedPackageVO.getRuleSets()) {
            WorkflowAsset existingAsset = null;
            if (dataAccess.getSupportedSchemaVersion() >= DataAccess.schemaVersion55)
                existingAsset = project.getAsset(importedPackageVO.getName(), importedRuleSet.getName(), importedRuleSet.getLanguage(), importedRuleSet.getVersion());
            else
                existingAsset = project.getAsset(importedRuleSet.getName(), importedRuleSet.getLanguage(), importedRuleSet.getVersion());
            if (existingAsset != null) {
                conflicts.add(existingAsset);
                if (project.getDataAccess().getSupportedSchemaVersion() >= DataAccess.schemaVersion52 && MdwPlugin.getSettings().isCompareConflictingAssetsDuringImport() && !existingAsset.isBinary()) {
                    progressMonitor.subTask("Comparing assets (can be disabled in prefs)");
                    // content comparison
                    existingAsset = project.getDesignerProxy().loadWorkflowAsset(existingAsset);
                    String existingAssetStr = existingAsset.getRuleSetVO().getRuleSet().trim();
                    String importedAssetStr = importedRuleSet.getRuleSet().trim();
                    if (!existingAsset.isBinary()) {
                        existingAssetStr = existingAssetStr.replaceAll("\r", "");
                        importedAssetStr = importedAssetStr.replaceAll("\r", "");
                    }
                    if (!existingAssetStr.equals(importedAssetStr))
                        conflictsWithDifferences.add(existingAsset);
                }
                if (isLocal())
                    ruleSetsToBeImported.add(importedRuleSet);
                else
                    existingRuleSets.add(existingAsset.getRuleSetVO());
            } else if (importedRuleSet.getRuleSet().trim().isEmpty()) {
                emptyRuleSets.add(importedRuleSet);
            } else {
                ruleSetsToBeImported.add(importedRuleSet);
            }
        }
    }
    if (MdwPlugin.getSettings().isCompareConflictingAssetsDuringImport() && existing != null && importedPackageVO.getTaskTemplates() != null && existing.getTaskTemplates() != null) {
        for (TaskVO importedTask : importedPackageVO.getTaskTemplates()) {
            for (TaskTemplate taskTemplate : existing.getTaskTemplates()) {
                if (taskTemplate.getName().equals(importedTask.getName()) && taskTemplate.getVersion() == importedTask.getVersion()) {
                    conflicts.add(taskTemplate);
                    String existingTemplStr = taskTemplate.getTaskVO().toTemplate().xmlText();
                    String importedTemplStr = importedTask.toTemplate().xmlText();
                    if (!existingTemplStr.equals(importedTemplStr))
                        conflictsWithDifferences.add(taskTemplate);
                }
            }
        }
    }
    if (progressMonitor.isCanceled())
        throw new ActionCancelledException();
    progressMonitor.progress(10);
    if (!conflicts.isEmpty()) {
        Collections.sort(conflicts, new Comparator<WorkflowElement>() {

            public int compare(WorkflowElement we1, WorkflowElement we2) {
                return we1.getLabel().compareToIgnoreCase(we2.getLabel());
            }
        });
        final String msg;
        if (isLocal())
            msg = "The following versions exist locally in '" + importedPackageVO.getPackageName() + "'.\nThese files in project '" + project.getName() + "' will be overwritten.\n";
        else
            msg = "The following versions from package '" + importedPackageVO.getPackageName() + "' will not be imported.\nThe same versions already exist in the '" + project.getName() + "' project.\n";
        if (shell != null) {
            shell.getDisplay().syncExec(new Runnable() {

                public void run() {
                    String msg2 = msg;
                    if (project.checkRequiredVersion(5, 2) && MdwPlugin.getSettings().isCompareConflictingAssetsDuringImport())
                        msg2 += "(Asterisk * indicates content differs.)\n";
                    int res = PluginMessages.uiList(shell, msg2, "Package Import", conflicts, conflictsWithDifferences);
                    if (res == Dialog.CANCEL)
                        importedPackageVO = null;
                }
            });
        } else {
            StringBuilder msg2 = new StringBuilder(msg);
            msg2.append(" (");
            if (project.checkRequiredVersion(5, 2))
                msg2.append(" -- * indicates content differs");
            msg2.append(").\n");
            for (WorkflowElement we : conflicts) {
                String flag = conflictsWithDifferences.contains(we) ? " *" : "";
                msg2.append("   ").append(we.getLabel()).append(flag).append("\n");
            }
            PluginMessages.log(msg2.toString());
        }
        if (importedPackageVO == null)
            return null;
    }
    if (!emptyRuleSets.isEmpty()) {
        final String msg = "The following assets from package '" + importedPackageVO.getPackageName() + "' will not be imported because they're empty.\n";
        if (shell != null) {
            shell.getDisplay().syncExec(new Runnable() {

                public void run() {
                    int res = PluginMessages.uiList(shell, msg, "Package Import", emptyRuleSets);
                    if (res == Dialog.CANCEL)
                        importedPackageVO = null;
                }
            });
        } else {
            StringBuilder msg2 = new StringBuilder(msg);
            for (RuleSetVO rs : emptyRuleSets) msg2.append("   ").append(rs.getLabel()).append("\n");
            PluginMessages.log(msg2.toString());
        }
        if (importedPackageVO == null)
            return null;
    }
    importedPackageVO.setProcesses(processVOsToBeImported);
    importedPackageVO.setRuleSets(ruleSetsToBeImported);
    // designer fix for backward compatibility
    ProcessWorker worker = new ProcessWorker();
    if (importedPackageVO.getProcesses() != null) {
        NodeMetaInfo syncedNodeMetaInfo = syncNodeMetaInfo(dataAccess.getDesignerDataModel().getNodeMetaInfo(), importedPackageVO);
        for (ProcessVO p : importedPackageVO.getProcesses()) {
            worker.convert_to_designer(p);
            worker.convert_from_designer(p, syncedNodeMetaInfo);
        }
    }
    if (shell != null && progressMonitor.isCanceled())
        throw new ActionCancelledException();
    progressMonitor.progress(10);
    progressMonitor.subTask("Saving package");
    ProcessPersister.PersistType persistType = ProcessPersister.PersistType.IMPORT;
    if (isJson && !project.checkRequiredVersion(6, 1, 1))
        persistType = ProcessPersister.PersistType.IMPORT_JSON;
    Long packageId = dataAccess.getDesignerDataAccess().savePackage(importedPackageVO, persistType);
    if (preexistingVersion > 0)
        // reset version
        importedPackageVO.setVersion(preexistingVersion);
    // for overwrite
    progressMonitor.progress(10);
    progressMonitor.subTask("Reloading processes");
    if (importedPackageVO.getProcesses() != null) {
        for (ProcessVO importedProcessVO : importedPackageVO.getProcesses()) {
            ProcessVO reloaded = dataAccess.getDesignerDataAccess().getProcessDefinition(importedProcessVO.getProcessName(), importedProcessVO.getVersion());
            importedProcessVO.setProcessId(reloaded.getProcessId());
        }
        if (project.getDataAccess().getSupportedSchemaVersion() < DataAccess.schemaVersion52) {
            for (ProcessVO importedProcessVO : importedPackageVO.getProcesses()) updateSubProcessIdAttributes(importedProcessVO);
        }
    }
    if (!existingProcessVOs.isEmpty()) {
        // add back existing processes
        importedPackageVO.getProcesses().addAll(existingProcessVOs);
        dataAccess.getDesignerDataAccess().savePackage(importedPackageVO);
    }
    progressMonitor.progress(10);
    progressMonitor.subTask("Reloading workflow assets");
    if (importedPackageVO.getRuleSets() != null) {
        for (RuleSetVO importedRuleSet : importedPackageVO.getRuleSets()) {
            RuleSetVO reloaded;
            if (dataAccess.getSupportedSchemaVersion() >= DataAccess.schemaVersion55) {
                reloaded = dataAccess.getDesignerDataAccess().getRuleSet(importedPackageVO.getId(), importedRuleSet.getName());
                if (// TODO: verify whether the above is
                reloaded == null)
                    // even needed
                    reloaded = dataAccess.getDesignerDataAccess().getRuleSet(importedRuleSet.getId());
            } else {
                reloaded = dataAccess.getDesignerDataAccess().getRuleSet(importedRuleSet.getName(), importedRuleSet.getLanguage(), importedRuleSet.getVersion());
            }
            importedRuleSet.setId(reloaded.getId());
        }
    }
    if (!existingRuleSets.isEmpty()) {
        importedPackageVO.getRuleSets().addAll(existingRuleSets);
        progressMonitor.subTask("Saving Package");
        dataAccess.getDesignerDataAccess().savePackage(importedPackageVO);
    }
    if (preexistingVersion > 0 && existingProcessVOs.isEmpty() && existingRuleSets.isEmpty()) {
        progressMonitor.subTask("Saving Package");
        // force
        dataAccess.getDesignerDataAccess().savePackage(importedPackageVO);
    // associate
    // processes
    }
    progressMonitor.progress(10);
    progressMonitor.subTask("Loading package");
    PackageVO newPackageVO = dataAccess.getDesignerDataAccess().loadPackage(packageId, false);
    WorkflowPackage importedPackage = new WorkflowPackage(project, newPackageVO);
    List<WorkflowProcess> processVersions = new ArrayList<>();
    for (ProcessVO processVO : newPackageVO.getProcesses()) {
        WorkflowProcess processVersion = new WorkflowProcess(project, processVO);
        processVersion.setPackage(importedPackage);
        processVersions.add(processVersion);
    }
    Collections.sort(processVersions);
    importedPackage.setProcesses(processVersions);
    List<ExternalEvent> externalEvents = new ArrayList<>();
    for (ExternalEventVO externalEventVO : newPackageVO.getExternalEvents()) {
        ExternalEvent externalEvent = new ExternalEvent(externalEventVO, importedPackage);
        externalEvents.add(externalEvent);
    }
    Collections.sort(externalEvents);
    importedPackage.setExternalEvents(externalEvents);
    List<TaskTemplate> taskTemplates = new ArrayList<>();
    if (newPackageVO.getTaskTemplates() != null) {
        for (TaskVO taskVO : newPackageVO.getTaskTemplates()) {
            TaskTemplate taskTemplate = new TaskTemplate(taskVO, importedPackage);
            taskTemplates.add(taskTemplate);
        }
        Collections.sort(taskTemplates);
        importedPackage.setTaskTemplates(taskTemplates);
    }
    List<ActivityImpl> activityImpls = new ArrayList<>();
    if (newPackageVO.getImplementors() != null) {
        for (ActivityImplementorVO activityImplVO : newPackageVO.getImplementors()) {
            if (importedPackageVO.getImplementors() != null) {
                // attrs not included in reload -- take from original XML
                ActivityImplementorVO xmlImplVO = null;
                for (ActivityImplementorVO implVO : importedPackageVO.getImplementors()) {
                    if (activityImplVO.getImplementorClassName().equals(implVO.getImplementorClassName()))
                        xmlImplVO = implVO;
                }
                if (xmlImplVO != null) {
                    activityImplVO.setBaseClassName(xmlImplVO.getBaseClassName());
                    activityImplVO.setIconName(xmlImplVO.getIconName());
                    activityImplVO.setShowInToolbox(xmlImplVO.isShowInToolbox());
                    activityImplVO.setLabel(xmlImplVO.getLabel());
                    activityImplVO.setAttributeDescription(xmlImplVO.getAttributeDescription());
                }
            }
            ActivityImpl activityImpl = new ActivityImpl(activityImplVO, importedPackage);
            activityImpls.add(activityImpl);
        }
        Collections.sort(activityImpls);
        importedPackage.setActivityImpls(activityImpls);
    }
    if (newPackageVO.getRuleSets() != null) {
        List<WorkflowAsset> assets = new ArrayList<>();
        for (RuleSetVO ruleSet : newPackageVO.getRuleSets()) {
            WorkflowAsset asset = WorkflowAssetFactory.createAsset(ruleSet, importedPackage);
            assets.add(asset);
        }
        Collections.sort(assets);
        importedPackage.setAssets(assets);
    }
    if (existing != null) {
        // deregister old assets
        if (existing.getAssets() != null) {
            for (WorkflowAsset oldAsset : existing.getAssets()) WorkflowAssetFactory.deRegisterAsset(oldAsset);
        }
        project.removePackage(existing);
    }
    // register new assets
    if (importedPackage.getAssets() != null) {
        for (WorkflowAsset newAsset : importedPackage.getAssets()) WorkflowAssetFactory.registerAsset(newAsset);
    }
    project.addPackage(importedPackage);
    progressMonitor.progress(10);
    dataAccess.auditLog(Action.Import, importedPackage);
    dataAccess.getPackages(true);
    dataAccess.getProcesses(true);
    dataAccess.getRuleSets(true);
    dataAccess.getActivityImplementors(true);
    project.findActivityImplementors(importedPackage);
    progressMonitor.progress(5);
    timer.stopAndLog();
    return importedPackage;
}

Example 7 with ActivityImplementorVO

use of com.centurylink.mdw.model.value.activity.ActivityImplementorVO in project mdw-designer by CenturyLinkCloud.

the class ProcessValidator method validateActivity.

private void validateActivity(ActivityVO act, NodeMetaInfo implInfo) {
    ActivityImplementorVO impl = implInfo.find(act.getImplementorClassName());
    if (impl.isManualTask()) {
        validateAttributeNotNull(act, TaskActivity.ATTRIBUTE_TASK_NAME, "task name is not defined");
        validateAttributeNotNull(act, TaskActivity.ATTRIBUTE_TASK_GROUPS, "task has not assigned to any groups");
    } else if (impl.isSubProcessInvoke() && !impl.isHeterogeneousSubProcInvoke()) {
        validateAttributeNotNull(act, WorkAttributeConstant.PROCESS_NAME, "process name not defined for subprocess call");
        if (packageVO != null) {
            String subproc = act.getAttribute(WorkAttributeConstant.PROCESS_NAME);
            String v = act.getAttribute(WorkAttributeConstant.PROCESS_VERSION);
            int version = v == null ? 0 : Integer.parseInt(v);
            boolean found = false;
            for (ProcessVO proc : packageVO.getProcesses()) {
                if (proc.getProcessName().equals(subproc)) {
                    found = true;
                    if (proc.getVersion() != version) {
                        recordError(act, "subprocess version does not match");
                    }
                    break;
                }
            }
            if (!found) {
                recordError(act, "invoked subprocess not in the package");
            }
        }
    }
}

Example 8 with ActivityImplementorVO

use of com.centurylink.mdw.model.value.activity.ActivityImplementorVO in project mdw-designer by CenturyLinkCloud.

the class Activity method createActivityImpl.

/**
 * Dynamically adds the activity implementor to the designer toolbox.
 */
public ActivityImpl createActivityImpl() {
    String implClass = getJavaPackage() + "." + getClassName();
    ActivityImplementorVO activityImplVO = new ActivityImplementorVO();
    activityImplVO.setImplementorClassName(implClass);
    activityImplVO.setLabel(label);
    activityImplVO.setIconName(icon);
    activityImplVO.setBaseClassName(getBaseClass());
    activityImplVO.setAttributeDescription(attrXml);
    return new ActivityImpl(activityImplVO, getPackage());
}

Example 9 with ActivityImplementorVO

use of com.centurylink.mdw.model.value.activity.ActivityImplementorVO in project mdw-designer by CenturyLinkCloud.

the class Exporter method exportPackage.

public String exportPackage(WorkflowPackage packageVersion, boolean includeTaskTemplates, boolean inferReferencedImplementors, ProgressMonitor progressMonitor) throws DataAccessException, ActionCancelledException, XmlException {
    String xml = null;
    // auto-infer the implementors and save the package before exporting
    List<ActivityImplementorVO> implementors = packageVersion.getPackageVO().getImplementors();
    if (implementors == null)
        implementors = new ArrayList<>();
    if (inferReferencedImplementors) {
        progressMonitor.subTask("Finding referenced activity implementors");
        List<ActivityImplementorVO> inferredImplementors = designerDataAccess.getReferencedImplementors(packageVersion.getPackageVO());
        for (ActivityImplementorVO inferred : inferredImplementors) {
            if (!implementors.contains(inferred))
                implementors.add(inferred);
        }
    }
    if (progressMonitor.isCanceled())
        throw new ActionCancelledException();
    packageVersion.getPackageVO().setImplementors(implementors);
    progressMonitor.progress(10);
    progressMonitor.subTask("Saving package");
    designerDataAccess.savePackage(packageVersion.getPackageVO(), ProcessPersister.PersistType.UPDATE);
    if (progressMonitor.isCanceled())
        throw new ActionCancelledException();
    progressMonitor.progress(10);
    int schemaVersion = designerDataAccess.getDatabaseSchemaVersion();
    xml = designerDataAccess.exportPackage(packageVersion.getId(), schemaVersion, includeTaskTemplates, progressMonitor);
    packageVersion.setExported(true);
    return xml;
}

Example 10 with ActivityImplementorVO

use of com.centurylink.mdw.model.value.activity.ActivityImplementorVO in project mdw-designer by CenturyLinkCloud.

the class ProcessSearchPage method createSearchTypeControls.

@Override
protected Group createSearchTypeControls(Composite parent) {
    Group radioGroup = super.createSearchTypeControls(parent);
    // process containing activity impl
    contActivityButton = new Button(radioGroup, SWT.RADIO | SWT.LEFT);
    contActivityButton.setText("Process Containing Activity: ");
    contActivityButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (contActivityButton.getSelection()) {
                setSearchType(SearchQuery.SearchType.CONTAINING_ENTITY);
                determineScope();
                activityImplsCombo.removeAll();
                activityImplsCombo.add("");
                if (getScopedProjects() == null || getScopedProjects().size() > 1) {
                    activityImplsCombo.add("Select a project first...");
                    activityImplsCombo.select(1);
                } else {
                    List<ActivityImplementorVO> impls = getScopedProjects().get(0).getDesignerProxy().getPluginDataAccess().getActivityImplementors(false);
                    Collections.sort(impls, new Comparator<ActivityImplementorVO>() {

                        public int compare(ActivityImplementorVO ai1, ActivityImplementorVO ai2) {
                            if (ai1.getLabel() == null)
                                return -1;
                            else if (ai2.getLabel() == null)
                                return 1;
                            else
                                return ai1.getLabel().compareToIgnoreCase(ai2.getLabel());
                        }
                    });
                    for (ActivityImplementorVO impl : impls) {
                        if (impl.getLabel() != null)
                            activityImplsCombo.add(impl.getLabel());
                    }
                }
                activityImplsCombo.setEnabled(true);
                checkEnablement();
            } else {
                activityImplsCombo.select(0);
                activityImplsCombo.setEnabled(false);
            }
        }
    });
    activityImplsCombo = new Combo(radioGroup, SWT.DROP_DOWN | SWT.READ_ONLY);
    activityImplsCombo.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false, 1, 1));
    activityImplsCombo.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            activityImpl = null;
            String label = activityImplsCombo.getText();
            if (label.length() > 0) {
                for (ActivityImplementorVO impl : getScopedProjects().get(0).getDesignerProxy().getPluginDataAccess().getActivityImplementors(false)) {
                    if (label.equals(impl.getLabel())) {
                        activityImpl = impl;
                        break;
                    }
                }
            }
            checkEnablement();
        }
    });
    activityImplsCombo.setEnabled(false);
    // master request id
    masterReqIdButton = new Button(radioGroup, SWT.RADIO | SWT.LEFT);
    masterReqIdButton.setText("Process Instance by Master Request ID");
    GridData gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
    gd.widthHint = 225;
    masterReqIdButton.setLayoutData(gd);
    masterReqIdButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (masterReqIdButton.getSelection()) {
                setSearchType(SearchQuery.SearchType.INSTANCE_BY_MRI);
                checkEnablement();
            }
        }
    });
    searchByNameButton.setSelection(false);
    masterReqIdButton.setSelection(true);
    setSearchType(SearchQuery.SearchType.INSTANCE_BY_MRI);
    // instance by process id
    instanceByIdButton = new Button(radioGroup, SWT.RADIO | SWT.LEFT);
    instanceByIdButton.setText("Process Instances by Process ID");
    gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
    gd.widthHint = 200;
    instanceByIdButton.setLayoutData(gd);
    instanceByIdButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (instanceByIdButton.getSelection()) {
                setSearchType(SearchQuery.SearchType.INSTANCE_BY_ENTITY_ID);
                checkEnablement();
            }
        }
    });
    // instance by instance id
    instanceByInstanceIdButton = new Button(radioGroup, SWT.RADIO | SWT.LEFT);
    instanceByInstanceIdButton.setText("Process Instance by Instance ID");
    gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
    gd.horizontalSpan = 2;
    instanceByInstanceIdButton.setLayoutData(gd);
    instanceByInstanceIdButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (instanceByInstanceIdButton.getSelection()) {
                setSearchType(SearchQuery.SearchType.INSTANCE_BY_ID);
                checkEnablement();
            }
        }
    });
    return radioGroup;
}