private BeanVariableResolver resolver1;
private BeanVariableResolver resolver2;
public BeanOrder(ComparatorExpression orderExpr) {
this.orderExpr = orderExpr;
this.resolver1 = new BeanVariableResolver(
MemoryBasedListDataProvider.this.beanClass);
this.resolver2 = new BeanVariableResolver(
MemoryBasedListDataProvider.this.beanClass);
}