将文档映射到对象 [英] Map document to object
本文介绍了将文档映射到对象的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
public void SearchForDate(String date) {
Information object = new Information();
List<Information> list = new ArrayList<Information>();
MongoCursor<Document> cursor = collection.find(eq("date", date)).iterator();
while (cursor.hasNext()) {
System.out.println(cursor.next().toJson());
}
}
我想在信息类的新对象上插入cursor.next().toJson()信息,我该怎么做?光标只是返回一个字符串...
Hi, I want inserting the cursor.next().toJson() information on a new object of the information class, how I could do it? the cursor just return a String...
public void BuscarPorPalabra(String date) {
MongoCursor<Document> cursor = collection.find(eq("date", date)).iterator();
basicBOE b = new basicBOE();
while (cursor.hasNext()) {
Document element = cursor.next();
b.setDepartament(element.getString("departament"));
b.setText(element.getString("text"));
b.setTitle(element.getString("title"));
list.add(b);
}
}
我明白了,但现在有一个新问题,最后一个项目覆盖了列表的另一个对象,并且有一个包含64个相同项目的列表...
I got it , but I now have a new problem, the last item overwrite the other object of the list and have a list with 64 same items...
推荐答案
您只需要迭代结果集并将Document
映射到您的对象即可.
You just need to iterate the resultset and map the Document
to your object.
while (cursor.hasNext()) {
Document document = cursor.next();
Information object = new Information();
object.setSomeField(document.getString("somefield"));
}
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