javax.persistence.metamodel.StaticMetamodel的实例源码

项目：zstack    文件：MysqLQueryBuilderImpl3.java   

private void populateEntityInfo() throws NoSuchMethodException {
    List<Class> MetaClasses = BeanUtils.scanClass("org.zstack",Staticmetamodel.class);
    for (Class it : MetaClasses) {
        Staticmetamodel at = (Staticmetamodel) it.getAnnotation(Staticmetamodel.class);
        metamodelClasses.put(at.value(),it);
    }

    List<Class> invClasses = BeanUtils.scanClass("org.zstack",Inventory.class);

    for (Class invClass : invClasses) {
        EntityInfo info = buildEntityInfo(invClass);

        if (info.inventoryAnnotation.parent().length > 0) {
            Parent pat = info.inventoryAnnotation.parent()[0];
            Class pinvClass = pat.inventoryClass();
            DebugUtils.Assert(pinvClass.isAnnotationPresent(Inventory.class),String.format("inventory[%s]'s parent inventory class[%s] is not annotated by @Inventory",info.inventoryClass.getName(),pinvClass.getName()));
            EntityInfo pinfo = buildEntityInfo(pinvClass);
            info.parent = pinfo;
            pinfo.children.add(info);
        }

    }

    for (EntityInfo e : entityInfos.values()) {
        e.buildFlatTypeEntityMap();
    }
}