java.util.concurrent.ConcurrentSkipListMap.get(ConcurrentSkipListMap.java:1546) at com.googlecode.cqengine.engine.CollectionQueryEngine$12.perform(Collecti
假设我有三个收藏品:User_Role我想通过给定的角色名来了解用户,但是我需要加入user_role on user.id和user_role on role.id来建立用户。目前,所有只演示如何使用两个集合进行连接,即 in(Car.FEATURES, "sunroof", "convertible"), Car.NAME
在我们的应用程序中实现cqengine时,从AttributeByteCodeGenerator的方法createAttribute中得到异常"javassist.CannotCompileException(AttributeBytecodeGenerator.java:489) ~[cqengine-3.4.0.jar:na]
at com.googlecode.cqengine.codegen.AttributeBytecodeGenerator.generateSimpleNullableAttributeForG