语源科技BlogJava-ken-xiehttp://www.blogjava.net/ken-xie/zh-cnThu, 07 May 2026 04:45:43 GMTThu, 07 May 2026 04:45:43 GMT60用 double null check 解决线程安全问题http://www.blogjava.net/ken-xie/archive/2010/12/21/341245.html阿忠阿忠Tue, 21 Dec 2010 07:21:00 GMThttp://www.blogjava.net/ken-xie/archive/2010/12/21/341245.htmlhttp://www.blogjava.net/ken-xie/comments/341245.htmlhttp://www.blogjava.net/ken-xie/archive/2010/12/21/341245.html#Feedback0http://www.blogjava.net/ken-xie/comments/commentRss/341245.htmlhttp://www.blogjava.net/ken-xie/services/trackbacks/341245.html
public Keyed getReferencedObject()
{
if (referencedObject == null && !isClassLevel())
{
return _getReferencedObject();
}
return referencedObject;
}
private synchronized Keyed _getReferencedObject()
{
if (referencedObject == null && !isClassLevel())
{
try
{
referencedObject = getServerImpl().getObjectManager(
getObjectType()).getObject(
getObjectKey());
}
catch (DatasweepException e)
{
EventLog.logException(e,this,"getReferencedObject(" + getObjectTypeName() + ", " + getObjectKey() + ")");
}
}
return referencedObject;
}



阿忠 2010-12-21 15:21 发表评论
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