src/com/dao/StudentDAO.java

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package com.dao;
import java.util.List;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.entity.StudentEntity;
public class StudentDAO extends HibernateDaoSupport {
public static StudentDAO getFromApplicationContext(ApplicationContext ctx) {
return (StudentDAO) ctx.getBean("studentDAO");
}
public void save(StudentEntity student) {
try {
super.getHibernateTemplate().save(student);
} catch (RuntimeException re) {
throw re;
}
}
public void update(StudentEntity student) {
try {
super.getHibernateTemplate().update(student);
} catch (RuntimeException re) {
throw re;
}
}
public void delete(StudentEntity student) {
try {
super.getHibernateTemplate().delete(student);
} catch (RuntimeException re) {
throw re;
}
}
public void delete(int id) {
try {
super.getHibernateTemplate().delete(getHibernateTemplate().get("com.entity.StudentEntity", id));
} catch (RuntimeException re) {
throw re;
}
}
public void delete(String id) {
try {
super.getHibernateTemplate().delete(getHibernateTemplate().get("com.entity.StudentEntity", id));
} catch (RuntimeException re) {
throw re;
}
}
@SuppressWarnings("unchecked")
public List<StudentEntity> show() {
try {
return super.getHibernateTemplate().find("From StudentEntity");
} catch (RuntimeException re) {
throw re;
}
}
@SuppressWarnings("unchecked")
public List<StudentEntity> queryByUsername(String name) {
try {
return super.getHibernateTemplate().find("From StudentEntity where username = ?", name);
} catch (RuntimeException re) {
throw re;
}
}