protected Serializable getIdValue(final Object domainObject) {
final Class<?> clazz = domainObject.getClass();
// 直接用getId
try {
final AclManaged aclManaged = AnnotationUtils.findAnnotation(clazz, AclManaged.class);
final Method getIdMethod = clazz.getMethod(aclManaged.getIdMethodName());
if (getIdMethod != null) {
final Object id = ReflectionUtils.invokeMethod(getIdMethod, domainObject);
if (id == null) {
logger.warn("此对象id为空:" + domainObject);
return null;
}
if (!(id instanceof Serializable)) {
logger.warn("此对象id不能序列化:" + domainObject + " ,id:" + id); // 来到这里就扯淡了吧?
return null;
}
return (Serializable) id;
}
} catch (final NoSuchMethodException e) {
// 没有getId方法就不用它呗
} catch (final SecurityException e) {
logger.debug(domainObject.getClass().getName() + "getId方法访问不能访问。", e);
}
// 没有getId方法
// 用标注了@Id注解的字段
final Field[] fields = clazz.getDeclaredFields();
Serializable idValueStr = concatIdValues(domainObject, fields);
if (idValueStr == null) {
idValueStr = concatIdValues(domainObject, ReflectionUtils.getAllDeclaredMethods(clazz));
}
if (idValueStr == null) {
logger.warn(domainObject.getClass().getName() + "没有id字段。");
return null;
}
if (String.valueOf(idValueStr).isEmpty()) {
logger.warn("此对象的id字段值都是空字符串:" + domainObject);
return null;
}
return idValueStr;
}
@Override
public ObjectIdentity getObjectIdentity(final Object domainObject) {
final AclManaged aclManaged =
AnnotationUtils.findAnnotation(domainObject.getClass(), AclManaged.class);
// acl的所谓的class_id建议用AclClassId注解指定!
final String typeName;
if (aclManaged == null) {
typeName = domainObject.getClass().getName();
} else {
if (aclManaged.value().isEmpty()) {
logger.warn(domainObject.getClass() + "的AclClassId值为空");
typeName = domainObject.getClass().getName();
} else {
typeName = aclManaged.value();
}
}
final Serializable idValue = getIdValue(domainObject);
if (idValue == null) {
return null;
}
return new ObjectIdentityImpl(typeName, idValue);
}