hibernate 监听器记录数据变化信息

package com.ezparking.web;import com.ezparking.model.CustomerServe;import com.ezparking.model.UserDataLog;import com.ezparking.util.WebUtils;import org.hibernate.event.internal.DefaultLoadEventListener;import org.hibernate.event.service.spi.EventListenerRegistry;import org.hibernate.event.spi.*;import org.hibernate.internal.SessionFactoryImpl;import org.hibernate.persister.entity.EntityPersister;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Component;import org.springframework.util.StringUtils;import javax.annotation.PostConstruct;import javax.persistence.EntityManager;import javax.persistence.EntityManagerFactory;import javax.servlet.http.HttpServletRequest;import java.sql.Timestamp;import java.util.Optional;@Componentpublic class UserDataLogListener extends DefaultLoadEventListener implements PostUpdateEventListener, PostInsertEventListener, PostDeleteEventListener {private static final String[] OBJECTS_SKIPPED = {"PoiStatusLog", "CustomerLog", "UserLog", "UserDataLog", "UserCoordinate"};private static final Logger logger = LoggerFactory.getLogger(UserDataLogListener.class);@Autowiredprivate EntityManagerFactory entityManagerFactory;@PostConstructpublic void registerListeners() {logger.info("register listeners ******");SessionFactoryImpl sessionFactoryImpl = entityManagerFactory.unwrap(SessionFactoryImpl.class);EventListenerRegistry eventListenerRegistry = sessionFactoryImpl.getServiceRegistry().getService(EventListenerRegistry.class);eventListenerRegistry.getEventListenerGroup(EventType.POST_INSERT).appendListener(this);eventListenerRegistry.getEventListenerGroup(EventType.POST_UPDATE).appendListener(this);eventListenerRegistry.getEventListenerGroup(EventType.POST_DELETE).appendListener(this);}@Overridepublic void onPostInsert(PostInsertEvent event) {logger.info("insert start***********");if (!requiresLog(event.getEntity().getClass())) {return;}if (StringUtils.isEmpty(getUserId()) || StringUtils.isEmpty(getLogId())) {return;}logger.debug(event.getEntity() + " inserted");long startTime = System.currentTimeMillis();StringBuilder fields = new StringBuilder();StringBuilder afterValues = new StringBuilder();StringBuilder remark = new StringBuilder();for (int i = 0; i < event.getState().length; i++) {fields.append(event.getPersister().getPropertyNames()[i] + "|");afterValues.append(event.getState()[i] + "|");remark.append(event.getPersister().getPropertyNames()[i] + ": ");remark.append(event.getState()[i] + "\r\n");}UserDataLog userDataLog = new UserDataLog();userDataLog.setUserId(getUserId());userDataLog.setLogId(getLogId());userDataLog.setFields(fields.toString());userDataLog.setAfterValues(afterValues.toString());userDataLog.setRemark(remark.toString());userDataLog.setObject(event.getEntity().getClass().getSimpleName());userDataLog.setObjectKey(event.getId().toString());userDataLog.setOperation("INSERT");userDataLog.setLogTime(new Timestamp(System.currentTimeMillis()));this.persistLog(userDataLog);long endTime = System.currentTimeMillis();logger.debug("日志时间： " + (endTime - startTime) + "ms");}@Overridepublic void onPostUpdate(PostUpdateEvent event) {logger.info("update start***********");if (!requiresLog(event.getEntity().getClass())) {return;}if (StringUtils.isEmpty(getUserId()) || StringUtils.isEmpty(getLogId())) {return;}logger.debug(event.getEntity() + " updated");long startTime = System.currentTimeMillis();StringBuilder fields = new StringBuilder();StringBuilder beforeValues = new StringBuilder();StringBuilder afterValues = new StringBuilder();StringBuilder remark = new StringBuilder();for (int i = 0; i < event.getState().length; i++) {// Object oldValue = event.getOldState()[i];// Object newValue = event.getState()[i];// String propertyName = event.getPersister().getPropertyNames()[i];// logger.info(propertyName + ": " + oldValue + " -> " + newValue);fields.append(event.getPersister().getPropertyNames()[i] + "|");beforeValues.append(event.getOldState()[i] + "|");afterValues.append(event.getState()[i] + "|");}for (int i = 0; i < event.getDirtyProperties().length; i++) {int j = event.getDirtyProperties()[i];remark.append(event.getPersister().getPropertyNames()[j] + ": ");remark.append(event.getOldState()[j] + " -> ");remark.append(event.getState()[j] + "\r\n");}UserDataLog userDataLog = new UserDataLog();userDataLog.setUserId(getUserId());userDataLog.setLogId(getLogId());userDataLog.setFields(fields.toString());userDataLog.setBeforeValues(beforeValues.toString());userDataLog.setAfterValues(afterValues.toString());//dl.setFields(serialize(event.getPersister().getPropertyNames()));//dl.setBeforeValues(serialize(event.getOldState()));//dl.setAfterValues(serialize(event.getState()));userDataLog.setRemark(remark.toString());userDataLog.setObject(event.getEntity().getClass().getSimpleName());userDataLog.setObjectKey(event.getId().toString());userDataLog.setOperation("UPDATE");userDataLog.setLogTime(new Timestamp(System.currentTimeMillis()));this.persistLog(userDataLog);long endTime = System.currentTimeMillis();logger.debug("日志时间： " + (endTime - startTime) + "ms");}@Overridepublic void onPostDelete(PostDeleteEvent event) {logger.info("delete start***********");if (!requiresLog(event.getEntity().getClass())) {return;}if (StringUtils.isEmpty(getUserId()) || StringUtils.isEmpty(getLogId())) {return;}logger.debug(event.getEntity() + " removed");long startTime = System.currentTimeMillis();StringBuilder fields = new StringBuilder();StringBuilder beforeValues = new StringBuilder();UserDataLog userDataLog = new UserDataLog();userDataLog.setUserId(getUserId());userDataLog.setLogId(getLogId());userDataLog.setFields(fields.toString());userDataLog.setBeforeValues(beforeValues.toString());userDataLog.setObject(event.getEntity().getClass().getSimpleName());userDataLog.setObjectKey(event.getId().toString());userDataLog.setOperation("REMOVE");userDataLog.setLogTime(new Timestamp(System.currentTimeMillis()));this.persistLog(userDataLog);long endTime = System.currentTimeMillis();logger.debug("日志时间： " + (endTime - startTime) + "ms");}private void persistLog(UserDataLog userDataLog) {EntityManager em = entityManagerFactory.createEntityManager();try {em.getTransaction().begin();em.persist(userDataLog);em.getTransaction().commit();} finally {em.close();}}@Overridepublic boolean requiresPostCommitHanding(EntityPersister persister) {return false;}private boolean requiresLog(Class<?> clazz) {for (String clsName : OBJECTS_SKIPPED) {if (clsName.equals(clazz.getSimpleName())) {return false;}}return true;}private Integer getLogId() {HttpServletRequest request = WebUtils.getHttpRequest();if (request == null) {return null;}Integer logId = (Integer) request.getSession().getAttribute("logId");return logId;}private String getUserId() {HttpServletRequest request = WebUtils.getHttpRequest();if (request == null) {return null;}CustomerServe customerServe = (CustomerServe) request.getAttribute("serve");if (customerServe == null || StringUtils.isEmpty(customerServe.getApp())) {return null;}return Optional.ofNullable(customerServe.getDeviceId()).orElse(customerServe.getLinkedKey());}}