Example usage for com.mongodb WriteConcern WriteConcern

Introduction

In this page you can find the example usage for com.mongodb WriteConcern WriteConcern.

Prototype

public WriteConcern(final int w, final int wTimeoutMS) 

Source Link

Document

Constructs an instance with the given integer-based value for w and the given value for wTimeoutMS.

Usage

From source file:org.opencb.commons.datastore.mongodb.MongoDBNativeQuery.java

License:Apache License

/**
 * This method insert a single document into a collection. Params w and wtimeout are read from QueryOptions.
 *
 * @param document The new document to be inserted
 * @param options  Some options like timeout
 *//*from   w ww. j  av  a2 s .com*/
public void insert(Document document, QueryOptions options) {
    int writeConcern = 1;
    int ms = 0;
    if (options != null && (options.containsKey("w") || options.containsKey("wtimeout"))) {
        // Some info about params: http://api.mongodb.org/java/current/com/mongodb/WriteConcern.html
        //            return dbCollection.insert(dbObject, new WriteConcern(options.getInt("w", 1), options.getInt("wtimeout", 0)));
        writeConcern = options.getInt("w", 1);
        ms = options.getInt("wtimeout", 0);
    }
    dbCollection.withWriteConcern(new WriteConcern(writeConcern, ms));
    dbCollection.insertOne(document);
}

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From source file:org.opencb.commons.datastore.mongodb.MongoDBNativeQuery.java

License:Apache License

/**
 * This method insert a list of documents into a collection. Params w and wtimeout are read from QueryOptions.
 *
 * @param documentList The new list of documents to be inserted
 * @param options      Some options like timeout
 * @return A BulkWriteResult from MongoDB API
 *///from   ww w.  j a v  a2s.  co  m
public BulkWriteResult insert(List<Document> documentList, QueryOptions options) {
    List<WriteModel<Document>> actions = new ArrayList<>(documentList.size());
    for (Document document : documentList) {
        actions.add(new InsertOneModel<>(document));
    }

    int writeConcern = 1;
    int ms = 0;
    if (options != null && (options.containsKey("w") || options.containsKey("wtimeout"))) {
        writeConcern = options.getInt("w", 1);
        ms = options.getInt("wtimeout", 0);
    }
    dbCollection.withWriteConcern(new WriteConcern(writeConcern, ms));

    return dbCollection.bulkWrite(actions, new BulkWriteOptions().ordered(false));
}

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From source file:tourapi.TourAPI.java

private void MLUpdate(String from, String to) {
    // ?/*from   w w w  . j  a  v a2s. c o  m*/
    //fromt->to 
    MongoClient mongoClient = getMongoClient();
    String result = null;
    try {
        DB db = mongoClient.getDB("my_database");
        DBCollection coll = db.getCollection("ML_Result");
        WriteConcern w = new WriteConcern(1, 0);
        mongoClient.setWriteConcern(w);

        DBObject doc = new BasicDBObject();
        // string?  select
        BasicDBObject query = new BasicDBObject();
        query.put("from", from);
        query.put("to", to);

        DBCursor cursor = coll.find(query);

        if (cursor.hasNext())// ?? 
        {
            DBObject mapObj = cursor.next();
            int num = ((Number) mapObj.get("num")).intValue();
            num++;
            BasicDBObject newDocument = new BasicDBObject();
            newDocument.append("$set", new BasicDBObject().append("num", num));
            BasicDBObject searchQuery = new BasicDBObject().append("from", from).append("to", to);
            coll.update(searchQuery, newDocument);
            cursor.close();
        } else {// ??  ? -> ?? insert
            doc.put("from", from);
            doc.put("to", to);
            doc.put("num", 1);
            coll.insert(doc);
            cursor.close();
        }
        System.out.println(coll.getCount());
        // close resources
        mongoClient.close();
    } catch (Exception e) {
        System.err.println("error evoke");
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
    }
}

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From source file:tourapi.TourAPI.java

private String convertTitleToId(String title, String url, int num) {
    String result = null;/*  w w w.j a  va  2 s . c  o  m*/
    try {

        // To connect to mongodb server
        MongoClient mongoClient = getMongoClient();
        DB db = mongoClient.getDB("my_database");
        DBCollection coll = db.getCollection("TB_titleID");
        System.out.println("? ");

        WriteConcern w = new WriteConcern(1, 0);
        mongoClient.setWriteConcern(w);
        // Now connect to your databases

        DBObject doc = new BasicDBObject();
        BasicDBObject query = new BasicDBObject("title", title);

        DBCursor cursor = coll.find(query);

        if (cursor.hasNext())// ?? 
        {
            result = cursor.next().get("ID").toString();
            cursor.close();
        } else {// ??  ? -> ?? insert
            int autoIncre = (int) coll.getCount();
            doc.put("ID", autoIncre);
            doc.put("title", title);
            System.out.println("URL : " + url);
            doc.put("url", url);
            doc.put("num", num);
            coll.insert(doc);
            cursor.close();
            result = autoIncre + "";
        }
        // close resources
        mongoClient.close();
    } catch (Exception e) {
        System.err.println("convertTitleToId error");
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
    }
    return result;
}

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From source file:tourapi.TourAPI.java

/**
 * @param args the command line arguments
 *//*from www.ja v a2  s .c o  m*/

private tour_Information findwithDB(String from) {

    tour_Information returntour = new tour_Information();
    String to = null;

    try {
        MongoClient mongoClient = getMongoClient();
        DB db = mongoClient.getDB("my_database");
        DBCollection coll = db.getCollection("ML_Result");
        WriteConcern w = new WriteConcern(1, 0);
        mongoClient.setWriteConcern(w);

        // string?  select
        BasicDBObject query = new BasicDBObject();
        query.put("from", from);

        DBCursor cursor = coll.find(query);
        cursor.sort(new BasicDBObject("num", -1));

        int num = -1;
        System.out.println("from 0: " + from);
        if (cursor.hasNext())// ??  
        {
            DBObject mapObj = cursor.next();
            String temp = mapObj.get("to").toString();
            num = Integer.parseInt(temp);
            //num = ((Number) mapObj.get("to")).intValue();
            cursor.close();

        } else {
            //System.out.println("from2 : "+from);
            returntour.myURL = null;
        }
        System.out.println(coll.getCount());
        // close resources
        if (num != -1) {
            db = mongoClient.getDB("my_database");
            coll = db.getCollection("TB_titleID");
            w = new WriteConcern(1, 0);// ? ,   2000 // ? 2 ??  ? ?
            mongoClient.setWriteConcern(w);

            // string?  select
            query = new BasicDBObject();
            //
            query.put("ID", num);
            //query.put("to",to);
            cursor = coll.find(query);
            if (cursor.hasNext())// ?? 
            {
                System.out.println("num : " + num);
                DBObject mapObj = cursor.next();
                returntour.myURL = mapObj.get("url").toString();
                returntour.myLocation = Integer.parseInt(mapObj.get("num").toString());
                cursor.close();
            } else {
                returntour.myURL = null;
                returntour.myLocation = 0;
            }
        }
        mongoClient.close();
    } catch (Exception e) {
        System.err.println("findwithDB Exception");
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
    }
    return returntour;
}

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