Example usage for org.apache.mahout.cf.taste.impl.model.mongodb MongoDBDataModel refreshData

Introduction

In this page you can find the example usage for org.apache.mahout.cf.taste.impl.model.mongodb MongoDBDataModel refreshData.

Prototype

public void refreshData(String userID, Iterable<List<String>> items, boolean add)
        throws NoSuchUserException, NoSuchItemException 

Source Link

Document

Adds/removes (user, item) pairs to/from the model.

Usage

From source file:com.aguin.stock.recommender.WriteUserInfo.java

License:Apache License

public void writeToDB() {
    MongoDBDataModel md = MongoDBUserModel.instance();
    Collection<List<String>> items = Lists.newArrayList();
    List<String> it = Lists.newArrayList();
    it.add(item);// w w  w.  ja  v a  2 s .c  o  m
    it.add(pref);
    items.add(it);
    try {
        System.out.println("Refreshing database\n");
        md.refreshData(user, items, true);
    } catch (NoSuchUserException e) {
        System.out.println(e.toString());
        e.printStackTrace();
    } catch (NoSuchItemException e) {
        System.out.println(e.toString());
        e.printStackTrace();
    }
}

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