package com.gpc.tams.repository.common;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 */
@Repository
public class StoreProfileDAO {

   private boolean refreshNeeded;
   private boolean refreshed;

   @PersistenceContext
   private EntityManager entityManager;

   @Transactional(propagation=Propagation.REQUIRED, readOnly=true)
   public StoreProfile find() {

      final Query selectQuery = entityManager.createNamedQuery("StoreProfile.selectAll");

      if (refreshNeeded) {
         refreshNeeded = false;
         refreshed = true;
         entityManager.clear();
      }

      return (StoreProfile) selectQuery.getSingleResult();
   }

   public synchronized StoreProfile refreshStoreProfile() {
      this.refreshNeeded = true;
      return find();
   }

   public synchronized boolean refreshed() {
      if (refreshed) {
         refreshed = false;
         return true;
      }
     return false;
   }
}