Spring Self Injection On Constructor Based Beans

ApplicationContextProvider.java

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Configuration;

@Configuration
public class ApplicationContextProvider implements ApplicationContextAware {

	private static ApplicationContext context;

	public static ApplicationContext context() {
		return context;
	}

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		context = applicationContext;
	}
}

CustomerService.java

package com.mageddo.sqldatapartitioning.service;

import com.mageddo.sqldatapartitioning.ApplicationContextProvider;
import com.mageddo.sqldatapartitioning.dao.SkinPriceByDayDAO;
import com.mageddo.sqldatapartitioning.entity.SkinPriceEntity;
import com.mageddo.sqldatapartitioning.enums.SkinPriceType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDate;

@Service
public class CustomerService {

	private final CustomerDAO customerDAO;

	public SkinPriceByDayService(CustomerDAO customerDAO) {
		this.customerDAO = customerDAO;
	}

	public void updateCustomers() {
		for(var customer: customerDAO.getCustomers()){
      self().updateCustomer(customer);
    }
	}

  @Transactional
  public updateCustomer(Customer customer){
    customer.setLastUpdate(LocalDateTime.now());
    customerDAO.update(customer);
  }
 
	protected SkinPriceByDayService self(){
		return ApplicationContextProvider.context().getBean(getClass());
	}
}