Example usage for com.mongodb.util JSON parse

List of usage examples for com.mongodb.util JSON parse

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Introduction

In this page you can find the example usage for com.mongodb.util JSON parse.

Prototype

public static Object parse(final String jsonString)

Source Link

Document

Parses a JSON string and returns a corresponding Java object.

Usage

From source file:models.OntoProcessor.java

License:Open Source License

protected void saveGraph() {
    DBCollection graphColl = db.getCollection("graph");
    graphColl.drop();//  w  w  w  . j a va  2s.  c  om

    for (SourceRelation sourceRelation : ontology.getSourceRelations().values()) {
        String sourceId = sourceRelation.getSource().getId();
        String destinationId = sourceRelation.getDestination().getId();
        HashMap<String, Object> link = new HashMap<>();
        link.put("id", sourceRelation.getId());
        link.put("source", processGroupsId.indexOf(sourceId));
        link.put("target", processGroupsId.indexOf(destinationId));
        if (sourceRelation.getType() != null)
            link.put("type", sourceRelation.getType().getId());
        else
            link.put("type", "#none");
        links.add(link);
    }

    BasicDBObject dbObject = (BasicDBObject) JSON
            .parse("{nodes:" + toJson(nodes).toString() + ",links:" + toJson(links).toString() + "}");
    graphColl.insert(dbObject);
}

From source file:models.OntoProcessor.java

License:Open Source License

protected void saveDerivedGraph() {
    DBCollection derivedGraphColl = db.getCollection("derivedGraph");
    derivedGraphColl.drop();//  w w  w.  ja v a  2  s .  co  m

    for (DerivedRelation relation : ontology.getDerivedRelations()) {
        String sourceId = relation.getSource().getId();
        String destinationId = relation.getDestination().getId();
        HashMap<String, Object> link = new HashMap<>();
        link.put("source", processesId.indexOf(sourceId));
        link.put("target", processesId.indexOf(destinationId));
        if (relation.getType() != null)
            link.put("type", relation.getType().getId());
        else
            link.put("type", "#none");
        derivedLinks.add(link);
    }

    BasicDBObject dbObject = (BasicDBObject) JSON.parse(
            "{nodes:" + toJson(derivedNodes).toString() + ",links:" + toJson(derivedLinks).toString() + "}");
    derivedGraphColl.insert(dbObject);
}

From source file:models.OntoProcessor.java

License:Open Source License

protected void saveStats() throws JsonProcessingException {
    DBCollection statsColl = db.getCollection("ontologyStats");
    statsColl.drop();/*from w ww  .  j  a  v  a 2s  .co m*/

    HashMap<String, Integer> stats = new HashMap<>();
    stats.put("coefficientGroups", ontology.getCoefficientGroups().size());
    stats.put("processGroups", ontology.getProcessGroups().size());
    stats.put("coefficients", ontology.getCoefficients().size());
    stats.put("processes", ontology.getProcesses().size());
    Integer numberOfInputElementaryFlow = 0;
    Integer numberOfCalculatedElementaryFlow = 0;
    Integer numberOfImpact = 0;
    for (Process process : ontology.getProcesses()) {
        numberOfInputElementaryFlow += process.getInputFlows().size();
        numberOfCalculatedElementaryFlow += process.getCalculatedFlows().size();
        numberOfImpact += process.getImpacts().size();
    }
    stats.put("inputFlows", numberOfInputElementaryFlow);
    stats.put("calculatedFlows", numberOfCalculatedElementaryFlow);
    stats.put("impacts", numberOfImpact);
    stats.put("sourceRelations", ontology.getSourceRelations().size());
    stats.put("derivedRelations", ontology.getDerivedRelations().size());
    stats.put("references", ontology.getReferences().size());

    BasicDBObject dbObject = (BasicDBObject) JSON.parse(mapper.writeValueAsString(stats));
    statsColl.insert(dbObject);
}

From source file:mongodb.MongoDBOperations.java

License:Apache License

public static void main(String[] args) {
    if (args.length != 4) {
        System.out.println(/*from w  w  w.java 2s. c o  m*/
                "FindAndUpdate:\nargs[0]: Configuration File.\nargs[1]: DB Name.\nargs[2]: Collection Name.\nargs[3]: Query in JSON format.");
        System.out.println("Please check the parameters.");
        return;
    }
    String ConfigPath = args[0];
    String DBName = args[1];
    String CollectionName = args[2];
    String QueryFile = args[3];
    MongoDBOperations mdbops;

    try {
        mdbops = new MongoDBOperations(ConfigPath);

        mdbops.listDB();
        DBCollection coll = mdbops.getCollection(DBName, CollectionName);
        String queryString = mdbops.readFile(QueryFile);
        System.out.println(queryString);
        BasicDBObject queryObject = (BasicDBObject) JSON.parse(queryString);
        mdbops.geoFindAndUpdate(coll, queryObject);
        //mdbops.printQueryResult(coll, queryObject);

    } catch (UnknownHostException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:mongodb.performance.MongoDBPerformance.java

/**
 * @param args the command line arguments
 *///from w  w  w  .j  a v  a 2s.  c om
public static void main(String[] args) throws UnknownHostException, FileNotFoundException, IOException {
    if (args.length == 0) {
        System.out.println("Parmetro no informado!");
        System.exit(-1);
    }
    System.out.println("Parmetro: " + args[0]);

    MongoClient mongoClient = new MongoClient();
    //MongoClient mongoClient = new MongoClient( "54.172.218.64" , 27017 );
    DB db = mongoClient.getDB("myDatabase");

    DBCollection collection = db.getCollection("ads");
    collection.drop();

    BulkWriteOperation builder = collection.initializeUnorderedBulkOperation();

    FileInputStream fileInputStream = new FileInputStream(".\\resources\\MongoDB" + args[0] + ".txt");
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(fileInputStream));
    // Insert
    // Time start    
    long start = System.currentTimeMillis();

    String line;
    while ((line = bufferedReader.readLine()) != null) {
        DBObject bson = (DBObject) JSON.parse(line);
        builder.insert(bson);
    }
    bufferedReader.close();
    builder.execute();
    //Time end
    long elapsed = System.currentTimeMillis() - start;
    System.out.println("[insert] Time elapsed: " + elapsed + " ms");

    // Update
    // Time start    
    start = System.currentTimeMillis();
    collection.updateMulti(new BasicDBObject(),
            new BasicDBObject("$set", new BasicDBObject().append("ano", 2006)));
    // Time end
    elapsed = System.currentTimeMillis() - start;
    System.out.println("[update] Time elapsed: " + elapsed + " ms");

    // Select
    // Time start    
    start = System.currentTimeMillis();
    BasicDBObject keys = new BasicDBObject();
    keys.put("_id", 1);
    keys.put("modeloCarro.marca", 1);
    keys.put("modeloCarro.nome", 1);
    keys.put("uf", 1);
    keys.put("placa_carro", 1);
    keys.put("qtd_portas", 1);
    keys.put("cambio", 1);
    keys.put("combustivel", 1);
    keys.put("cor", 1);
    keys.put("km", 1);
    keys.put("valor", 1);
    keys.put("detalhe", 1);
    BasicDBObject sort = new BasicDBObject("_id", 1);

    DBCursor cursor = collection.find(new BasicDBObject(), keys).sort(sort);
    while (cursor.hasNext()) {
        cursor.next();
    }
    // Time end
    elapsed = System.currentTimeMillis() - start;
    System.out.println("[select] Time elapsed: " + elapsed + " ms");

    // Delete
    // Time start    
    start = System.currentTimeMillis();
    collection.remove(new BasicDBObject());
    // Time end
    elapsed = System.currentTimeMillis() - start;
    System.out.println("[delete] Time elapsed: " + elapsed + " ms");
}

From source file:mongodbutils.MongodbConnection.java

public boolean insertJSON(String dbName, String collectionName, String json) {
    try {//from  w  ww  .  ja v  a  2 s .  co  m
        //System.out.println("mongo start insert");

        if (mongoClient == null) {
            //System.out.println("client is null");
        }

        db = mongoClient.getDB(dbName);

        //System.out.println("mongo get collection");
        DBCollection coll = db.getCollection(collectionName);

        //System.out.println("parse json");
        DBObject dbObject = (DBObject) JSON.parse(json);

        //System.out.println("insert data");
        //coll.insert(dbObject,WriteConcern.JOURNALED);
        coll.insert(dbObject, WriteConcern.NORMAL);

        return true;
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return false;
    }

}

From source file:mongosensors_server.MapReduce.java

License:Open Source License

public String[] getAverageValue(String sensorType, String tags, String id, double range) {
    //AVERAGE TAGS:SENROSTYPE
    DBObject query = (DBObject) JSON.parse("{}");
    if (!tags.equals("")) {
        query.put(this.tag, tags);
    }/*from w w  w .j a v a 2s  .c  o m*/
    if (!id.equals("")) {
        query.put(this.id, id);
    }

    map = "function () {" + "emit(this.tags, this['" + sensorType + "']);" + "}";

    reduce = "function(key, values) {" + "title_list =0;" + "j=0;" + "mid = values.length/2 | 0;"
            + "values = values.sort();" + "for(var i in values) {" + "if(values[i]>(values[mid]-" + range
            + ") && values[i]<(values[mid]+" + range + ")){" + "title_list += values[i];" + "j++}" + "}"
            + "return title_list/j;" + "}";

    List<String> stringValue = new ArrayList<String>();
    int i = 0;
    for (DBObject o : ((MongoTools) this.client).mongoMapReduce(this.collection, map, reduce, query)
            .results()) {
        stringValue.add(o.toString());
        i++;
    }
    String[] array = new String[stringValue.size()];
    stringValue.toArray(array);
    return array;
}

From source file:mongosensors_server.MapReduce.java

License:Open Source License

public String[] getAverageValue(String sensorType, String tags, String id, double range, String[] time) {
    //AVERAGE TAGS:SENROSTYPE the query can define a time period
    DBObject query = (DBObject) JSON.parse("{'Last update':{$gt:'" + time[0] + "',$lt:'" + time[1] + "'}}");
    if (!tags.equals("")) {
        query.put(this.tag, tags);
    }/*from  ww w  .  jav  a  2  s.com*/
    if (!id.equals("")) {
        query.put(this.id, id);
    }
    System.out.println(query.toString());

    map = "function () {" + "emit(this.tags, this['" + sensorType + "']);" + "}";

    reduce = "function(key, values) {" + "title_list =0;" + "j=0;" + "mid = values.length/2 | 0;"
            + "values = values.sort();" + "for(var i in values) {" + "if(values[i]>(values[mid]-" + range
            + ") && values[i]<(values[mid]+" + range + ")){" + "title_list += values[i];" + "j++}" + "}"
            + "return title_list/j;" + "}";

    List<String> stringValue = new ArrayList<String>();
    int i = 0;
    for (DBObject o : ((MongoTools) this.client).mongoMapReduce(this.collection, map, reduce, query)
            .results()) {
        stringValue.add(o.toString());
        i++;

    }
    String[] array = new String[stringValue.size()];
    stringValue.toArray(array);
    return array;
}

From source file:mongosensors_server.MapReduce.java

License:Open Source License

public String[] getAverageValue(String sensorType, String tags, double range, double[] loc, double radius) {
    //AVERAGE TAGS:SENROSTYPE the query can define geographical area
    DBObject query;/*from   w w  w  .j av a  2s  .c om*/
    radius = radius / 6378160.0;
    if (!tags.equals("")) {
        query = (DBObject) JSON.parse("{loc: { $geoWithin: { $centerSphere: [[" + loc[0] + "," + loc[1] + "],"
                + radius + "] } },'" + this.tag + "':'" + tags + "'}");
    } else {
        query = (DBObject) JSON.parse(
                "{loc: { $geoWithin: { $centerSphere: [[" + loc[0] + "," + loc[1] + "]," + radius + "]}}}");
    }

    map = "function () {" + "emit(this.tags, this['" + sensorType + "']);" + "}";

    reduce = "function(key, values) {" + "title_list =0;" + "j=0;" + "mid = values.length/2 | 0;"
            + "values = values.sort();" + "for(var i in values) {" + "if(values[i]>(values[mid]-" + range
            + ") && values[i]<(values[mid]+" + range + ")){" + "title_list += values[i];" + "j++}" + "}"
            + "return title_list/j;" + "}";

    List<String> stringValue = new ArrayList<String>();
    int i = 0;
    for (DBObject o : ((MongoTools) this.client).mongoMapReduce(this.collection, map, reduce, query).results())// <!>
    {
        stringValue.add(o.toString());
        i++;
    }
    String[] array = new String[stringValue.size()];
    stringValue.toArray(array);
    return array;
}

From source file:mongosensors_server.MapReduce.java

License:Open Source License

public String[] getAverageValue(String sensorType, String tags, double range, String[] time, double[] loc,
        double radius) {
    //AVERAGE TAGS:SENROSTYPE the query can define a time period and geographical area
    DBObject query;/*from w w w  .j a  v a2s.c o m*/
    radius = radius / 6378160.0;
    if (!tags.equals("")) {
        query = (DBObject) JSON.parse("{'Last update':{$gt:'" + time[0] + "',$lt:'" + time[1]
                + "'},loc: { $geoWithin: { $centerSphere: [[" + loc[0] + "," + loc[1] + "]," + radius
                + "] } },'" + this.tag + "':'" + tags + "'}");
    } else {
        query = (DBObject) JSON.parse("{'Last update':{$gt:'" + time[0] + "',$lt:'" + time[1]
                + "'},loc: { $geoWithin: { $centerSphere: [[" + loc[0] + "," + loc[1] + "]," + radius
                + "] } }}");
    }

    map = "function () {" + "emit(this.tags, this['" + sensorType + "']);" + "}";

    reduce = "function(key, values) {" + "title_list =0;" + "j=0;" + "mid = values.length/2 | 0;"
            + "values = values.sort();" + "for(var i in values) {" + "if(values[mid]-" + range
            + "<values[i] && values[mid]+" + range + ">values[i]){" + "title_list += values[i];" + "j++}" + "}"
            + "return title_list/j;" + "}";

    List<String> stringValue = new ArrayList<String>();
    int i = 0;
    for (DBObject o : ((MongoTools) this.client).mongoMapReduce(this.collection, map, reduce, query)
            .results()) {
        stringValue.add(o.toString());
        i++;
    }
    String[] array = new String[stringValue.size()];
    stringValue.toArray(array);
    return array;
}