How to use

ProcessInstanceAttribute

in

pl.net.bluesoft.rnd.processtool.model

public void removeAttribute(ProcessInstanceAttribute attr) {
  attr.setProcessInstance(null);
  processAttributes.remove(attr);
  if (attr.getId() > 0) {
    if (toDelete == null) {
      toDelete = new HashSet<ProcessInstanceAttribute>();
    }
    toDelete.add(attr);
  }
}

public ProcessInstanceAttribute findAttributeByKey(String key) {
  Set<ProcessInstanceAttribute> attrs = getProcessAttributes();
  for (ProcessInstanceAttribute pia : attrs) {
    if (pia.getKey() != null && pia.getKey().equals(key)) {
      return pia;
    }
  }
  return null;
}

    ? (ProcessInstanceAttribute) getClass().getClassLoader().loadClass(element.getInheritedAttributeClass()).newInstance()
    : new ProcessInstanceSimpleAttribute();
attribute.setProcessInstance(processInstance);
attribute.setKey(attributeName);

public void addAttribute(ProcessInstanceAttribute attr) {
  attr.setProcessInstance(this);
  processAttributes.add(attr);
}

if (attrib instanceof ProcessInstanceAttachmentAttribute && attrib.getId()!=null){
  session.evict(session.get(attrib.getClass(), attrib.getId()));

@Override
public void loadData(final BpmTask task) {
  boundProperties.clear();
  dictContainers.clear();
  if (Strings.hasText(widgetsDefinition)) {
    widgetsDefinitionElement = (WidgetsDefinitionElement) definitionLoader.unmarshall(widgetsDefinition);
  }
  this.processInstance = task.getProcessInstance();
  processAttributes.clear();
  for (ProcessInstanceAttribute attribute : processInstance.getProcessAttributes()) {
    processAttributes.put(attribute.getKey(), attribute);
  }
}

processAttributes.clear();
for (ProcessInstanceAttribute attribute : pi.getProcessAttributes()) {
  processAttributes.put(attribute.getKey(), attribute);

  @Override
  public void evaluate(Property component, WidgetElement element) throws Exception {
    if (!component.isReadOnly()) {
      ProcessInstanceAttribute attribute = fetchOrCreateAttribute(element);
      if (component instanceof FileUploadComponent) {
        ProcessInstanceAttachmentAttribute attachment = (ProcessInstanceAttachmentAttribute) component.getValue();
        if (attachment==null) return;
        attachment.setProcessState(task.getTaskName());
        attachment.setProcessInstance(task.getProcessInstance());
        attachment.setKey(attribute.getKey());
        PropertyUtils.setProperty(processAttributes, element.getBind(), component.getValue());
      } else if (attribute instanceof ProcessInstanceSimpleAttribute) {
        if (element instanceof DateWidgetElement) {
          String dateString = null;
          if (component.getValue() != null)
            dateString = new SimpleDateFormat(((DateWidgetElement) element).getFormat()).format(component.getValue());
          ((ProcessInstanceSimpleAttribute) attribute).setValue(dateString);
        } else if (component.getValue() != null) {
          ((ProcessInstanceSimpleAttribute) attribute).setValue(component.getValue().toString());
        }
      } else {
        PropertyUtils.setProperty(processAttributes, element.getBind(), component.getValue());
      }
    }
  }
};