public class Demo {
public static void main(String[] args) {
Mongo conn = null;
DB db = null;
try {
conn = new Mongo("localhost", 27017);
db = conn.getDB( "test" );
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (MongoException e) {
e.printStackTrace();
}
/** collection**/
for (String s : db.getCollectionNames()) {
System.out.println(s);
}
/** collection**/
DBCollection coll = db.getCollection("testCollection");
BasicDBObject doc = new BasicDBObject();
doc.put("name", "MongoDB");
doc.put("type", "database");
doc.put("count", 1);
BasicDBObject info = new BasicDBObject();
info.put("x", 203);
info.put("y", 102);
doc.put("info", info);
/** Document**/
coll.insert(doc);
/** **/
DBObject myDoc = coll.findOne();
System.out.println(myDoc);
/******************************************/
/** document**/
for (int i=0; i < 100; i++) {
coll.insert(new BasicDBObject().append("i", i));
}
/** document**/
System.out.println(coll.getCount());
/** DBCursor document**/
DBCursor cur = coll.find();
while(cur.hasNext()) {
System.out.println(cur.next());
}
/** **/
BasicDBObject query = new BasicDBObject();
query.put("i", 98); // i 98
cur = coll.find(query);
while(cur.hasNext()) {
System.out.println(cur.next());
}
/** json **/
Object o = JSON.parse("{ \"name\" : \"MongoDB\", \"type\" : \"database\",\"count\" : 1, \"info\" : \"sdfsdf\"}");
BasicDBObject oo = (BasicDBObject)o;
System.out.println(oo.get("name"));
}
}