Hibernate evict an persistent object from hibernate session

package com.pkm.evict_entity

import grails.util.Holders
import org.hibernate.SessionFactory

/**
 * Created by pritom on 3/08/2016.
 */
class EvictEntityInstance {
    public static void _evict(def domainInstance) {
        getBean(SessionFactory).currentSession.evict(domainInstance)
    }

    public static <T> T getBean(Class<T> requiredType) {
        try {
            return Holders.applicationContext.getBean(requiredType)
        }
        catch (Exception e) {
            return null
        }
    }
}