How to use

visitProperties

method

in

org.apache.cayenne.reflect.ClassDescriptor

public boolean visitProperties(PropertyVisitor visitor) {
  checkDescriptorInitialized();
  return descriptor.visitProperties(visitor);
}

/**
 * Adds superclass properties to the descriptor, applying proper overrides.
 */
protected void indexSuperclassProperties(final PersistentDescriptor descriptor) {
  ClassDescriptor superDescriptor = descriptor.getSuperclassDescriptor();
  if (superDescriptor != null) {
    superDescriptor.visitProperties(new PropertyVisitor() {
      public boolean visitAttribute(AttributeProperty property) {
        // decorate super property to return an overridden attribute
        descriptor.addSuperProperty(new AttributePropertyDecorator(descriptor, property));
        return true;
      }
      public boolean visitToMany(ToManyProperty property) {
        descriptor.addSuperProperty(property);
        return true;
      }
      public boolean visitToOne(ToOneProperty property) {
        descriptor.addSuperProperty(property);
        return true;
      }
    });
  }
}

private void applySimplePropertyChanges(final GraphChangeHandler handler) {
  getClassDescriptor().visitProperties(new PropertyVisitor() {
    @Override
    public boolean visitAttribute(AttributeProperty property) {
      Object newValue = property.readProperty(object);
      // no baseline to compare
      if (snapshot == null) {
        if (newValue != null) {
          handler.nodePropertyChanged(nodeId, property.getName(), null, newValue);
        }
      }
      // have baseline to compare
      else {
        Object oldValue = snapshot.get(property.getName());
        if (!Util.nullSafeEquals(oldValue, newValue)) {
          handler.nodePropertyChanged(nodeId, property.getName(), oldValue, newValue);
        }
      }
      return true;
    }
    @Override
    public boolean visitToMany(ToManyProperty property) {
      return true;
    }
    @Override
    public boolean visitToOne(ToOneProperty property) {
      return true;
    }
  });
}

descriptor.visitProperties(new PropertyVisitor() {

getClassDescriptor().visitProperties(new PropertyVisitor() {

descriptor.visitProperties(new PropertyVisitor() {

    .get(object.getObjectId());
descriptor.visitProperties(new PropertyVisitor() {

classDescriptor.visitProperties(new PropertyVisitor() {
  @Override
  public boolean visitAttribute(final AttributeProperty property) {

final CommitLogEntity entity = entityFactory.getEntity(id);
descriptor.visitProperties(new PropertyVisitor() {

descriptor.visitProperties(arcInvalidator);
object.setPersistenceState(PersistenceState.HOLLOW);

seen.put(id, target);
descriptor.visitProperties(new PropertyVisitor() {

    .getEntityResolver()
    .getClassDescriptor(oid.getEntityName());
descriptor.visitProperties(new PropertyVisitor() {

descriptor.visitProperties(new PropertyVisitor() {

this.arcSnapshot = new HashMap<>();
classDescriptor.visitProperties(new PropertyVisitor() {

descriptor.visitProperties(new PropertyVisitor() {

snapshot.setEntityName(entity.getName());
descriptor.visitProperties(new PropertyVisitor() {