package pl.edu.agh.bd.mongo;
import java.net.UnknownHostException;
import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
import com.mongodb.MongoClient;
import com.mongodb.QueryBuilder;
public class MongoLab {
private MongoClient mongoClient;
private DB db;
private DBCollection collection;
mongoClient = new MongoClient();
db = mongoClient.getDB("jeopardy");
collection = db.getCollection("Jeopardy");
}
private void firstQuery(){
System.
out.
println("1. Show elements from category AIRLINE TRAVEL where 'flight' appears in question, sorted descending by value.");
BasicDBObject query = new BasicDBObject("category","AIRLINE TRAVEL").append("question",new BasicDBObject("$regex",".*flight.*"));
DBCursor cursor = collection.find(query).sort(new BasicDBObject("value",-1));
try{
while(cursor.hasNext()){
System.
out.
println(cursor.
next());
}
} finally{
cursor.close();
}
}
private void showCollections(){
for(String name
: db.
getCollectionNames()){
System.
out.
println("colname: "+name
);
}
}
MongoLab mongoLab = new MongoLab();
mongoLab.firstQuery();
}
}
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}