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JPA entity annotations @Id, @Basic, @Transient, @Lob and @Temporal in Spring+JPA+Hibernate Framework
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Basic annotation maping in Entity file. Java class to Table mapping with multiple types of data for fields to member variable.

@Id - Jpa annoation used to specify a member variable as primary key.
@Basic - All members are fields of the specify table. @Basic used to specify manually a member variable is field of the table.
@Transient - Transient fields are object level fields not persist in the table.
@Lob - Large Object fields are blob and clob.
@Temporal - Temporal used to specify date object should persist date, time or datetime as value.
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UserDetails.java
package com.knowledgewalls.entity;

import java.util.Date;

import javax.persistence.Basic;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;

@Entity(name="USER_DETAILS")
public class UserDetails {
    @Id
    private int userId;

    @Basic
    private String userName;
    
    @Transient
    private String sex;
    
    @Temporal(TemporalType.DATE)
    private Date joinDate;
    
    @Lob
    private String description;

    public int getUserId() {
        return userId;
    }
    public void setUserId(int userId) {
        this.userId = userId;
    }

    public String getUserName() {
        return userName;
    }
    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getSex() {
        return sex;
    }
    public void setSex(String sex) {
        this.sex = sex;
    }

    
    public Date getJoinDate() {
        return joinDate;
    }
    public void setJoinDate(Date joinDate) {
        this.joinDate = joinDate;
    }
    
    public String getDescription() {
        return description;
    }
    public void setDescription(String description) {
        this.description = description;
    }    
}
UserDetailsDAO.java
package com.knowledgewalls.dao;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import com.knowledgewalls.entity.UserDetails;

@Repository
@Transactional
public class UserDetailsDAO {
    
    @PersistenceContext
    EntityManager em;
    
    public void save(UserDetails userDetails){
        System.out.println("Called for; user_id:"+userDetails.getUserId());

        try {
            em.persist(userDetails);
        }
        catch(Exception e){
            System.out.println("Insertion Failure; user_id:"+userDetails.getUserId());
            e.printStackTrace();
        }
    }
}
UserDetailsController.java
package com.knowledgewalls.controller;

import java.util.Date;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.knowledgewalls.dao.UserDetailsDAO;
import com.knowledgewalls.entity.UserDetails;

@Controller
public class UserDetailsController {
    
    @Autowired
    UserDetailsDAO userDetailsDAO;
    
    @RequestMapping(value="/addUsers",method=RequestMethod.GET)
    public @ResponseBody String addUsers(){
        {
            UserDetails userDetails = new UserDetails();
                userDetails.setUserId(1);
                userDetails.setUserName("Raj");
                userDetails.setSex("m");
                userDetails.setJoinDate(new Date());
                userDetails.setDescription("About Raj described here");
                
            userDetailsDAO.save(userDetails);
        }
        {
            UserDetails userDetails = new UserDetails();
                userDetails.setUserId(2);
                userDetails.setUserName("Kumar");
                userDetails.setSex("m");
                userDetails.setJoinDate(new Date());
                userDetails.setDescription("About Kumar described here");
                
            userDetailsDAO.save(userDetails);
        }
        return "Inserted..";
        
    }
}
Persistence.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd" >

  <persistence-unit name="hibernatePersistenceUnit">
          <properties>
            <property name="hibernate.hbm2ddl.auto" value="create" />
        </properties>
  </persistence-unit>

</persistence>
Beans-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">

    <context:component-scan base-package="com.knowledgewalls" />
    <mvc:annotation-driven />
    <tx:annotation-driven transaction-manager="transactionManager" />
    
    <bean id="emf" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="persistenceXmlLocation" value="classpath*:persistence.xml" />
        <property name="persistenceUnitName" value="hibernatePersistenceUnit" />
        <property name="dataSource" ref="dataSource"/>
        <property name="jpaVendorAdapter" ref="jpaVendorAdapter"/>
    </bean>
    
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/test" />
        <property name="username" value="root" />
        <property name="password" value="mysql" />
        <property name="initialSize" value="5" />
        <property name="maxActive" value="10" />
    </bean>
    
    <bean id="jpaVendorAdapter" class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
        <property name="database" value="MYSQL"></property>
        <property name="showSql" value="true"></property>
        <property name="generateDdl" value="false"></property>
        <property name="databasePlatform" value="org.hibernate.dialect.MySQL5InnoDBDialect"></property>
    </bean>
    
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
         <property name="entityManagerFactory" ref="emf" />
    </bean>
    
    <bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />
    <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/>
    <bean class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor"/>

</beans>
Web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>Hibernate002_MoreAnnotations</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  <servlet>
    <servlet-name>beans</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>beans</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>
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