Example usage for com.mongodb GroupCommand toDBObject

Introduction

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

Prototype

public DBObject toDBObject() 

Source Link

Document

Turns this group command into the DBObject format of the command.

Usage

From source file:com.edgytech.umongo.CollectionPanel.java

License:Apache License

public void group(final ButtonBase button) {
    final DBCollection col = getCollectionNode().getCollection();
    DBObject keys = ((DocBuilderField) getBoundUnit(Item.grpKeys)).getDBObject();
    DBObject initial = ((DocBuilderField) getBoundUnit(Item.grpInitialValue)).getDBObject();
    DBObject query = ((DocBuilderField) getBoundUnit(Item.grpQuery)).getDBObject();
    String reduce = getStringFieldValue(Item.grpReduce);
    String finalize = getStringFieldValue(Item.grpFinalize);
    final GroupCommand cmd = new GroupCommand(col, keys, query, initial, reduce, finalize);
    //        new DocView(null, "Group", col.getDB(), cmd.toDBObject()).addToTabbedDiv();

    new DbJobCmd(col.getDB(), cmd.toDBObject(), null, button).addJob();
}

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From source file:org.exist.mongodb.xquery.mongodb.collection.Group.java

License:Open Source License

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {

    try {/*  w ww.j  a  va 2 s.  co  m*/
        // Verify clientid and get client
        String mongodbClientId = args[0].itemAt(0).getStringValue();
        MongodbClientStore.getInstance().validate(mongodbClientId);
        MongoClient client = MongodbClientStore.getInstance().get(mongodbClientId);

        // Get parameters
        String dbname = args[1].itemAt(0).getStringValue();
        String collection = args[2].itemAt(0).getStringValue();

        BasicDBObject key = (BasicDBObject) JSON.parse(args[3].itemAt(0).getStringValue());

        BasicDBObject condition = (BasicDBObject) JSON.parse(args[4].itemAt(0).getStringValue());

        BasicDBObject initial = (BasicDBObject) JSON.parse(args[5].itemAt(0).getStringValue());

        String reduce = args[6].itemAt(0).getStringValue();

        // The finalize can be null
        String finalize = (args.length >= 8) ? args[7].itemAt(0).getStringValue() : null;

        // Get database
        DB db = client.getDB(dbname);
        DBCollection dbcol = db.getCollection(collection);

        // Propare groupcommand
        GroupCommand command = new GroupCommand(dbcol, key, condition, initial, reduce, finalize);

        System.out.println(command.toDBObject().toString());

        if (LOG.isDebugEnabled()) {
            LOG.debug(command.toDBObject().toString());
        }

        // Execute, finalize can have value null
        DBObject result = dbcol.group(command);

        // Execute query
        Sequence retVal = new StringValue(result.toString());

        return retVal;

    } catch (JSONParseException ex) {
        LOG.error(ex.getMessage());
        throw new XPathException(this, MongodbModule.MONG0004, ex.getMessage());

    } catch (XPathException ex) {
        LOG.error(ex.getMessage(), ex);
        throw new XPathException(this, ex.getMessage(), ex);

    } catch (MongoException ex) {
        LOG.error(ex.getMessage(), ex);
        throw new XPathException(this, MongodbModule.MONG0002, ex.getMessage());

    } catch (Throwable ex) {
        LOG.error(ex.getMessage(), ex);
        throw new XPathException(this, MongodbModule.MONG0003, ex.getMessage());
    }

}

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