[英]scala salat objectid is changing after inserting into database
I've a problem with Salat library in scala - I've got a case class Item: 我在Scala的Salat库遇到问题-我有一个案例类项目:
case class Item(_id: ObjectId = new ObjectId, var name: String, var active: Boolean) extends WithId {
override def id: Option[ObjectId] = Some(_id)
}
The _id field is created upon Item instantiation. _id字段是在Item实例化时创建的。
I'm trying to test the functionality of inserting an Item as follows: 我正在尝试测试插入项目的功能,如下所示:
var itemObj = Item(name = "testItem", active = true)
"MainService" should {
"put an item into database" in {
Put("/items/", itemObj) ~> mainRoute ~> check {
val item = responseAs[Item]
item.name === "testItem"
item.active === true
item._id === itemObj._id
Item.findAll().toList.size === 1
}
}
}
Where the PUT /items/ mapping corresponds to Spray HTTP Route: PUT / items /映射对应于Spray HTTP Route:
put {
entity(as[Item]) { item ⇒
complete {
Item.saveOrUpdate(item)
logger.info("putting item {}", item)
HttpResponse(
StatusCodes.OK,
HttpEntity(ContentTypes.`application/json`, grater[Item].toCompactJSON(item))
)
}
}
}
And the saveOrUpdate definition is as follows: 而saveOrUpdate定义如下:
def saveOrUpdate(t: T) = {
t.id match {
case Some(id) => dao.update(MongoDBObject("_id" -> id), t, false, false, new WriteConcern)
case None => dao.insert(t)
}
Now, the thing is the test fails on assertion 现在,问题是断言测试失败
item._id === itemObj._id
I've no idea why would _id change if I'm setting it up before doing the save or update of entity. 我不知道为什么在进行实体的保存或更新之前设置_id会发生变化。
Does anyone have any idea why does it acts that way and what can I do to fix this? 有谁知道它为什么会这样起作用,我该怎么解决?
Best, Marcin 最好,Marcin
我将JSON库从json4s更改为Spray Json,现在似乎可以使用了。
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