示例#1
0
  /**
   * Given the _id of a JSFile, return the file.
   *
   * @param id _id of the file to find
   * @return The file, if found, otherwise null
   */
  JSFile getJSFile(String id) {

    if (id == null) return null;

    DBCollection f = getDB().getCollection("_files");
    return (JSFile) (f.find(new ObjectId(id)));
  }
  public void introduceType(SpaceTypeDescriptor typeDescriptor) {

    DBCollection m = getConnection().getCollection(METADATA_COLLECTION_NAME);

    BasicDBObjectBuilder builder =
        BasicDBObjectBuilder.start().add(Constants.ID_PROPERTY, typeDescriptor.getTypeName());
    try {
      ByteArrayOutputStream bos = new ByteArrayOutputStream();
      ObjectOutputStream out = new ObjectOutputStream(bos);
      IOUtils.writeObject(
          out, SpaceTypeDescriptorVersionedSerializationUtils.toSerializableForm(typeDescriptor));

      builder.add(TYPE_DESCRIPTOR_FIELD_NAME, bos.toByteArray());

      WriteResult wr = m.save(builder.get());

      if (logger.isTraceEnabled()) logger.trace(wr);

      indexBuilder.ensureIndexes(typeDescriptor);

    } catch (IOException e) {
      logger.error(e);

      throw new SpaceMongoException(
          "error occurs while serialize and save type descriptor: " + typeDescriptor, e);
    }
  }
  DBObject isMasterCmd() {
    DBCollection collection = _mongo.getDB("admin").getCollection("$cmd");

    Iterator<DBObject> i = collection.__find(_isMaster, null, 0, 1, 0);
    if (i == null || !i.hasNext()) throw new MongoException("no result for ismaster query?");

    DBObject res = i.next();
    if (i.hasNext()) throw new MongoException("what's going on");

    return res;
  }
  public Collection<SpaceTypeDescriptor> loadMetadata() {

    DBCollection metadata = getCollection(METADATA_COLLECTION_NAME);

    DBCursor cursor = metadata.find(new BasicDBObject());

    while (cursor.hasNext()) {
      DBObject type = cursor.next();

      Object b = type.get(TYPE_DESCRIPTOR_FIELD_NAME);

      readMetadata(b);
    }

    return getSortedTypes();
  }
  public void performBatch(List<BatchUnit> rows) {
    if (logger.isTraceEnabled()) {
      logger.trace("MongoClientWrapper.performBatch(" + rows + ")");
      logger.trace("Batch size to be performed is " + rows.size());
    }
    // List<Future<? extends Number>> pending = new ArrayList<Future<? extends Number>>();

    for (BatchUnit row : rows) {
      SpaceDocument spaceDoc = row.getSpaceDocument();
      SpaceTypeDescriptor typeDescriptor = types.get(row.getTypeName()).getTypeDescriptor();
      SpaceDocumentMapper<DBObject> mapper = getMapper(typeDescriptor);

      DBObject obj = mapper.toDBObject(spaceDoc);

      DBCollection col = getCollection(row.getTypeName());
      switch (row.getDataSyncOperationType()) {
        case WRITE:
        case UPDATE:
          col.save(obj);
          break;
        case PARTIAL_UPDATE:
          DBObject query =
              BasicDBObjectBuilder.start()
                  .add(Constants.ID_PROPERTY, obj.get(Constants.ID_PROPERTY))
                  .get();

          DBObject update = normalize(obj);
          col.update(query, update);
          break;
          // case REMOVE_BY_UID: // Not supported by this implementation
        case REMOVE:
          col.remove(obj);
          break;
        default:
          throw new IllegalStateException(
              "Unsupported data sync operation type: " + row.getDataSyncOperationType());
      }
    }

    /*long totalCount = waitFor(pending);

    if (logger.isTraceEnabled()) {
    	logger.trace("total accepted replies is: " + totalCount);
    }*/
  }
  protected boolean handleSpecialObjects(String name, BSONObject o) {

    if (o == null) return false;

    if (o instanceof DBCollection) {
      DBCollection c = (DBCollection) o;
      putDBPointer(name, c.getName(), Bytes.COLLECTION_REF_ID);
      return true;
    }

    if (name != null && o instanceof DBPointer) {
      DBPointer r = (DBPointer) o;
      putDBPointer(name, r._ns, (ObjectId) r._id);
      return true;
    }

    return false;
  }
  public void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    String deleteProductValue = "false";

    try {

      // Get the form data
      int productID = Integer.parseInt(request.getParameter("productID"));
      PrintWriter out = response.getWriter();
      DB db = mongo.getDB("FashionFactoryProd");
      DBCollection myProducts = db.getCollection("productInfo");
      DBCollection myTrending = db.getCollection("myTrending");
      BasicDBObject searchQuery = new BasicDBObject();
      searchQuery.put("productID", productID);
      DBCursor cursor = myProducts.find(searchQuery);

      if (cursor.count() == 0) {
        deleteProductValue = "false";
        request.setAttribute("deleteProductValue", deleteProductValue);
        RequestDispatcher rd = request.getRequestDispatcher("deleteProduct.jsp");
        rd.forward(request, response);
      } else {
        int product = 0;
        while (cursor.hasNext()) {

          BasicDBObject obj = (BasicDBObject) cursor.next();
          product = obj.getInt("productID");
          if (product == productID) {
            myProducts.remove(obj);
            myTrending.remove(searchQuery);
            deleteProductValue = "true";

            request.setAttribute("deleteProductValue", deleteProductValue);

            RequestDispatcher rd = request.getRequestDispatcher("deleteProduct.jsp");
            rd.forward(request, response);
          }
        }
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
示例#8
0
  public static void main(String[] args) {

    try {

      meet myobj = new meet();

      // load jsiconfig.txt
      ArrayList<String> myconfiglist = new ArrayList<String>();
      myconfiglist = myobj.loadArray("jsiconfig.txt");

      // The text uri
      // "mongodb://xyz:[email protected]:23288/sample";
      String textUri = myconfiglist.get(0);

      // Create MongoClientURI object from which you get MongoClient obj
      MongoClientURI uri = new MongoClientURI(textUri);

      // Connect to that uri
      MongoClient m = new MongoClient(uri);

      // get the database named sample
      String DBname = myconfiglist.get(1);
      DB d = m.getDB(DBname);

      // get the collection mycollection in sample
      String collectionName = myconfiglist.get(2);
      DBCollection collection = d.getCollection(collectionName);

      // System.out.println("Config: "+textUri+":"+DBname+":"+collectionName);

      // twitter4j
      // Twitter twitter = new TwitterFactory().getInstance();
      Twitter twitter = new TwitterFactory().getSingleton();
      User user = twitter.verifyCredentials();

      // Twitter collection of latest tweets into the home account - defaulted to latest 20 tweets//
      //////////////////////////////////////////////////////////////

      ArrayList<String> mylatesttweetslist = new ArrayList<String>();
      // get list of tweets from a user or the next tweet listed
      try {
        long actid = 0;
        // twitter.createFriendship(actid);

        // The factory instance is re-useable and thread safe.
        // Twitter twitter = TwitterFactory.getSingleton();
        List<Status> statuses = twitter.getHomeTimeline();
        System.out.println("Showing home timeline.");

        for (Status status : statuses) {

          // System.out.println(status.getUser().getName() + ":" +status.getText());
          // Addes timeline to an array
          String mytweets = status.getUser().getName() + ":" + status.getText();
          mylatesttweetslist.add(mytweets);
        }
        ;

      } catch (TwitterException te) {
        te.printStackTrace();
        System.out.println("Failed to get timeline: " + te.getMessage());
        System.exit(-1);
      }

      // MongoDB Insert Below //
      //////////////////////////

      // System Date
      Date sd = new Date();
      String sysdate = sd.toString();

      // Toggle the below to display and insert the transactions as required
      boolean showtrans = true;
      boolean inserttrans = true;

      // checkArray - loads args to a text string to allow the contains function
      String checkString = "";
      for (int ck = 0; ck < args.length; ck++) {
        checkString = checkString + args[ck];
      }
      ;

      // display transactions flag on runnning jsimongo eg: java jsimongo -d  will NOT display
      // transactions
      // insert transactions flag on runnning jsimongo eg: java jsimongo -i  will NOT insert
      // transactions

      if (args.length > 0) {
        if (checkString.contains("-d")) showtrans = false;
        if (checkString.contains("-i")) inserttrans = false;
      }
      ;

      int x = 0;
      for (String atweet : mylatesttweetslist) {
        x++;
        // Display tweets to console
        if (showtrans == true) {
          System.out.println("tweet : " + atweet);
          System.out.println("Created_DateTime : " + sysdate); // was sysdate
        }
        ;

        // Insert JSON into MongoDB
        if (inserttrans == true) {
          BasicDBObject b = new BasicDBObject();
          System.out.println("tweet : " + atweet);
          System.out.println("Created_DateTime : " + sysdate); // was sysdate

          // Insert the JSON object into the chosen collection
          collection.insert(b);
        }
        ;
        Thread.sleep(1);
      }
      ;

      System.out.println("End, the number of tweets inserted at this time was: " + x);

    } catch (Exception e) {
      e.printStackTrace();
    }
  }
示例#9
0
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    try {
      MongoClient mc = new MongoClient("localhost");
      DB db = mc.getDB("mydb");
      DBCollection dbc = db.getCollection("books");
      /*BasicDBObject book=
      		new BasicDBObject();
      book.put("name", "자바의 정석");
      book.put("pages", 600);
      dbc.insert(book);

      book=
      		new BasicDBObject();
      book.put("name", "스프링4");
      book.put("pages", 250);
      dbc.insert(book);
      book=
      		new BasicDBObject();
      book.put("name", "JQuery");
      book.put("pages", 150);
      dbc.insert(book);
      book=
      		new BasicDBObject();
      book.put("name", "오라클 프로그램");
      book.put("pages", 800);
      dbc.insert(book);
      book=
      		new BasicDBObject();
      book.put("name", "AngularJS");
      book.put("pages", 130);
      dbc.insert(book);
      book=
      		new BasicDBObject();
      book.put("name", "MongoDB");
      book.put("pages", 650);
      dbc.insert(book);
      book=
      		new BasicDBObject();
      book.put("name", "Hadoop");
      book.put("pages", 300);
      dbc.insert(book);
      book=
      		new BasicDBObject();
      book.put("name", "HIVE");
      book.put("pages", 350);
      dbc.insert(book);
      book=
      		new BasicDBObject();
      book.put("name", "PIG");
      book.put("pages", 650);
      dbc.insert(book);
      book=
      		new BasicDBObject();
      book.put("name", "HTML5");
      book.put("pages", 360);
      dbc.insert(book);*/
      String map =
          "function(){"
              + "var category;"
              + "if(this.pages>=300){"
              + "category='Big Books';"
              + "}else{"
              + "category='Small Books';}"
              + "emit(category,{name:this.name});}";
      String reduce =
          "function(key,values){"
              + "var sum=0;"
              + "values.forEach(function(doc){"
              + "sum+=1;"
              + "});"
              + "return {books:sum};}";
      MapReduceCommand cmd =
          new MapReduceCommand(dbc, map, reduce, null, MapReduceCommand.OutputType.INLINE, null);
      MapReduceOutput out = dbc.mapReduce(cmd);

      for (DBObject o : out.results()) {
        System.out.println(o.toString());
      }
    } catch (Exception ex) {
      System.out.println(ex.getMessage());
    }
  }