使用动态代理解决Hibernate序列化,避免延迟加载问题 - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-15
ollection proxyCollection = null ; if (returnType.isAssignableFrom(Set. class )) { proxyCollection = new LinkedHashSet(); } else if (returnType.isAssignableFrom(List. class )) { proxyCollection = new ArrayList(); } else { return returnValue; } for (Object o : (Collection)returnValue) { proxyCollection.add( new HibernateBeanSerializer (o).getProxy()); } return proxyCollection; } else { return returnValue; } } private boolean isExclude(MethodInvocation mi, String propertyName) throws Throwable { for (String excludePropertyName : excludesProperties) { if (propertyName.equals(excludePropertyName)) { return true ; } } return false ; } private static String getPropertyName(String methodName) { String propertyName = null ; if (methodName.startsWith( "get" )) { propertyName = methodName.substring( "get" .length()); } else if (methodName.startsWith( "is" )) { propertyName = methodName.substring( "is" .length()); } else if (methodName.startsWith( "set" )) { propertyName = methodName.substring( "set" .length()); } return propertyName == null ? null : StringUtils.uncapitalize(propertyName); } } } package cn.org.rapid_framework.util; import java.lang.reflect.Modifier; import java.util.ArrayList; import java.util.Collection; import java.util.LinkedHashMap; import java.util.LinkedHashSet; import java.util.List; import java.util.Map; import java.util.Set; import org.aopalliance.intercept.MethodInterceptor; import org.aopalliance.intercept.MethodInvocation; import org.hibernate.Hibernate; import org.hibernate.collection.PersistentCollection; import org.hibernate.proxy.HibernateProxy; import org.springframework.aop.framework.ProxyFactory; import org.springframework.util.StringUtils; /** * 喘噐Hibernate Object 議會双晒,恵諒决岳紗墮議奉來音氏砺竃LazyInitializationException,遇氏卦 指null峙. * 聞喘: * <pre> * Blog proxyBlog = new HibernateBeanSerializer(blog).getProxy(); * </pre> * @author badqiu * @param <T> */ public class HibernateBeanSerializer <T> { T proxy = null; /** */ public HibernateBeanSerializer(T object,String... excludesProperties) { if(object == null) { this.proxy = null; }else { ProxyFactory pf = new ProxyFactory(); pf.setTargetClass(object.getClass()); pf.setOptimize(true); pf.setTarget(object); pf.setProxyTargetClass(true); pf.setOpaque(true); pf.setExposeProxy(true); pf.setPreFiltered(true |
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