我有两个类：AbstractMailingDirections和DirectionLoad.两者都有一个拷贝构造函数如下：
public AbstractMailingDirections(AbstractMailingDirections toCopy) {
this.message = toCopy.message;
this.defaultDirection = new DirectionLoad(toCopy.defaultDirection);
for (final DirectionLoad dls : toCopy.directionLoads) {
this.directionLoads.add(new DirectionLoad(dls));
}
}
和
public DirectionLoad(DirectionLoad toCopy) {
this.direction = toCopy.direction;
this.transportationContract = toCopy.transportationContract;
this.pickUpTime = toCopy.pickUpTime;
this.acceptanceTime = toCopy.acceptanceTime;
this.acceptanceLocation = toCopy.acceptanceLocation;
this.information = toCopy.information;
}
现在,当我调用MailingDirections复制构造函数(它只是超级(toCopy))时,我有时不会复制defaultDirection的字段.或者不是全部.使用Eclipse调试器甚至更奇怪：
在这里,我点击了要复制的AbstractMailingDirections.请参阅toString打印中defaultDirection.acceptanceTime如何为17:00,但在字段列表中显示为null.如果我单击defaultDirection,它的toString print会将acceptanceTime字段显示为null.
这让我疯了.可能导致这种情况的任何想法？
解决方法
这些是Hibernate实体(或JPA或类似的)吗？在这种情况下,访问字段可能会制造延迟加载魔法和通过getter访问它可能会修复它.
