Example usage for com.mongodb BasicDBObjectBuilder start

Introduction

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

Prototype

public static BasicDBObjectBuilder start()

Source Link

Document

Creates a builder intialized with an empty document.

Usage

From source file:org.mule.modules.morphia.MorphiaConnector.java

License:Open Source License

/**
 * Calculates aggregates values without the need for complex map-reduce operations
 *
 * <p/>// w ww  . j a va2  s .c o m
 * {@sample.xml ../../../doc/mule-module-morphia.xml.sample morphia:aggregate}
 *
 * @param collection collection name
 * @param pipeline list of pipeline operators
 * @param exception The exception that needs to be thrown if there is an error executing the aggregation query
 * @param username the username to use in case authentication is required
 * @param password the password to use in case authentication is required, null
 *                 if no authentication is desired
 * @param host     The host of the Mongo server. If the host is part of a replica set then you can specify all the hosts
 *                 separated by comma.
 * @param port     The port of the Mongo server
 * @param database The database name of the Mongo server
 * @return the aggregation result
 * @throws Exception if there is an exception while aggregating
 */
@Processor
public BasicDBList aggregate(String collection, List<Pipeline> pipeline, @Optional String exception,
        @Optional String username, @Optional @Password String password, @Optional String host,
        @Optional Integer port, @Optional String database) throws Exception {
    if (!pipeline.isEmpty()) {
        Datastore datastore = getDatastore(username, password, database, host, port);
        List<DBObject> dbObjects = new ArrayList<DBObject>();
        for (Pipeline pipelineOperator : pipeline) {
            Object dbObject = JSON.parse(pipelineOperator.toJson());
            if (dbObject == null || !(dbObject instanceof DBObject)) {
                throw new IllegalArgumentException("Illegal pipeline operator '" + pipelineOperator + "'");
            }
            dbObjects.add((DBObject) dbObject);
        }
        BasicDBObjectBuilder builder = BasicDBObjectBuilder.start().add("aggregate", collection);
        builder.append("pipeline", dbObjects.toArray());
        CommandResult result = datastore.getDB().command(builder.get());
        if (result.ok()) {
            return (BasicDBList) result.get("result");
        }
        if (exception != null) {
            throw getExceptionFromClassName(exception);
        }
    }
    // Return an empty list
    return new BasicDBList();
}

From source file:org.obiba.magma.datasource.mongodb.converter.VariableConverter.java

License:Open Source License

public static DBObject marshall(Variable variable) {
    BasicDBObjectBuilder builder = BasicDBObjectBuilder.start() //
            .add("name", variable.getName()) //
            .add("valueType", variable.getValueType().getName()) //
            .add("entityType", variable.getEntityType()) //
            .add("mimeType", variable.getMimeType()) //
            .add("repeatable", variable.isRepeatable()) //
            .add("occurrenceGroup", variable.getOccurrenceGroup()) //
            .add("referencedEntityType", variable.getReferencedEntityType()) //
            .add("unit", variable.getUnit()).add("index", variable.getIndex());

    if (variable.hasCategories()) {
        Collection<Object> list = new BasicDBList();
        for (Category category : variable.getCategories()) {
            list.add(marshall(category));
        }/*from w w  w  . j av a 2 s  .  c om*/
        builder.add("categories", list);
    }

    if (variable.hasAttributes()) {
        Collection<Object> list = new BasicDBList();
        for (Attribute attribute : variable.getAttributes()) {
            list.add(marshall(attribute));
        }
        builder.add("attributes", list);
    }

    return builder.get();
}

From source file:org.obiba.magma.datasource.mongodb.converter.VariableConverter.java

License:Open Source License

private static DBObject marshall(Category category) {
    BasicDBObjectBuilder builder = BasicDBObjectBuilder.start() //
            .add("name", category.getName()).add("missing", category.isMissing());
    if (category.hasAttributes()) {
        Collection<Object> list = new BasicDBList();
        for (Attribute attribute : category.getAttributes()) {
            list.add(marshall(attribute));
        }//from   w w w .  j  a  v a2 s  .  com
        builder.add("attributes", list);
    }
    return builder.get();
}

From source file:org.obiba.magma.datasource.mongodb.converter.VariableConverter.java

License:Open Source License

private static DBObject marshall(Attribute attribute) {
    return BasicDBObjectBuilder.start() //
            .add("namespace", attribute.hasNamespace() ? attribute.getNamespace() : null) //
            .add("name", attribute.getName()) //
            .add("locale", attribute.isLocalised() ? attribute.getLocale().toString() : null) //
            .add("value", attribute.getValue().toString()).get();
}

From source file:org.obiba.magma.datasource.mongodb.MongoDBDatasource.java

License:Open Source License

DBObject asDBObject() {
    if (dbObject == null) {
        dbObject = getDatasourceCollection().findOne(BasicDBObjectBuilder.start() //
                .add("name", getName()) //
                .get());//from w  w  w. ja  va2s.  c o  m
        if (dbObject == null) {
            dbObject = BasicDBObjectBuilder.start() //
                    .add("name", getName()) //
                    .add(TIMESTAMPS_FIELD, createTimestampsObject()).get();
            getDatasourceCollection().insert(dbObject, WriteConcern.ACKNOWLEDGED);
        }
    }
    return dbObject;
}

From source file:org.obiba.magma.datasource.mongodb.MongoDBDatasource.java

License:Open Source License

static DBObject createTimestampsObject() {
    return BasicDBObjectBuilder.start() //
            .add(TIMESTAMPS_CREATED_FIELD, new Date()) //
            .add(TIMESTAMPS_UPDATED_FIELD, new Date()).get();
}

From source file:org.obiba.magma.datasource.mongodb.MongoDBDatasource.java

License:Open Source License

@Override
public void drop() {
    for (String name : getValueTableNames()) {
        dropTable(name);/*from  w ww . java2s. co  m*/
    }
    getDatasourceCollection().remove(BasicDBObjectBuilder.start().add("_id", getName()).get());
}

From source file:org.obiba.magma.datasource.mongodb.MongoDBDatasource.java

License:Open Source License

@Override
protected Set<String> getValueTableNames() {
    ImmutableSet.Builder<String> builder = ImmutableSet.builder();
    try (DBCursor cursor = getValueTableCollection().find(
            BasicDBObjectBuilder.start().add("datasource", asDBObject().get("_id")).get(),
            BasicDBObjectBuilder.start().add("name", 1).get())) {
        while (cursor.hasNext()) {
            builder.add(cursor.next().get("name").toString());
        }//from w ww . j  a v a 2  s. co  m
    }
    return builder.build();
}

From source file:org.obiba.magma.datasource.mongodb.MongoDBValueTable.java

License:Open Source License

DBObject asDBObject() {
    if (dbObject == null) {
        dbObject = getValueTableCollection().findOne(BasicDBObjectBuilder.start() //
                .add("datasource", getMongoDBDatasource().asDBObject().get("_id")) //
                .add("name", getName()) //
                .get());/*from   w  w w  . j  a  v a2 s  .  com*/
        // create DBObject if not found
        if (dbObject == null) {
            dbObject = BasicDBObjectBuilder.start() //
                    .add("datasource", getMongoDBDatasource().asDBObject().get("_id")) //
                    .add("name", getName()) //
                    .add("entityType", getEntityType()) //
                    .add(MongoDBDatasource.TIMESTAMPS_FIELD, MongoDBDatasource.createTimestampsObject()).get();
            getValueTableCollection().insert(dbObject, WriteConcern.ACKNOWLEDGED);
        }
    }
    return dbObject;
}

From source file:org.obiba.magma.datasource.mongodb.MongoDBValueTable.java

License:Open Source License

public void drop() {
    // drop associated collections
    dropFiles();/*from w ww.  j  ava 2s  .  c  o m*/
    getValueSetCollection().drop();
    getVariablesCollection().drop();
    getValueTableCollection().remove(BasicDBObjectBuilder.start().add("_id", getIdAsObjectId()).get());
    getMongoDBDatasource().setLastUpdate(new Date());
    dbObject = null;
}