Example usage for com.mongodb BasicDBList get

List of usage examples for com.mongodb BasicDBList get

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Introduction

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

Prototype

public Object get(final String key)

Source Link

Document

Gets a value at an index.

Usage

From source file:org.eclipse.birt.data.oda.mongodb.internal.impl.QueryProperties.java

License:Open Source License

static DBObject getFirstObjectSet(DBObject exprObj) {
    if (exprObj == null)
        return null;

    DBObject firstObj = null;/*from  www  .  j  ava 2  s .  co  m*/
    if (exprObj instanceof BasicDBList) {
        BasicDBList objList = (BasicDBList) exprObj;
        if (objList.size() >= 1) {
            Object value = objList.get(0);
            if (value instanceof DBObject)
                firstObj = (DBObject) value;
            else // log and ignore
                logInvalidTagValue(value);
        }
    } else
        firstObj = exprObj;

    return firstObj;
}

From source file:org.eclipse.birt.data.oda.mongodb.internal.impl.QueryProperties.java

License:Open Source License

static DBObject[] getSecondaryObjectSets(DBObject exprObj) {
    if (!(exprObj instanceof BasicDBList))
        return null; // no secondary element(s)

    BasicDBList objList = (BasicDBList) exprObj;
    if (objList.size() <= 1)
        return null;

    // return the second and remaining DBObject(s) from the list
    List<DBObject> secondaryObjList = new ArrayList<DBObject>(objList.size() - 1);
    for (int i = 1; i < objList.size(); i++) {
        Object value = objList.get(i);
        if (value instanceof DBObject)
            secondaryObjList.add((DBObject) value);
        else // ignore elements that are not DBObject
            logInvalidTagValue(value);//  w w  w .ja  v a 2 s  .  c  o m
    }

    if (secondaryObjList.isEmpty())
        return null;
    return (DBObject[]) secondaryObjList.toArray(new DBObject[secondaryObjList.size()]);
}

From source file:org.eclipse.birt.data.oda.mongodb.internal.impl.ResultDataHandler.java

License:Open Source License

private static BasicDBList fetchFieldValuesFromList(String fieldFullName, BasicDBList fromDBList) {
    if (fromDBList == null || fromDBList.size() == 0)
        return null;

    // get the named field value from each element in given array list
    BasicDBList fieldValuesList = new BasicDBList();
    if (fromDBList.isPartialObject())
        fieldValuesList.markAsPartialObject();

    for (int index = 0; index < fromDBList.size(); index++) {
        Object listElementObj = fromDBList.get(String.valueOf(index));
        if (listElementObj instanceof DBObject) // nested complex object, e.g. document
            listElementObj = fetchFieldValues(fieldFullName, (DBObject) listElementObj);
        fieldValuesList.put(index, listElementObj);
    }/*from   www  .  j  a v a2  s  .c o m*/

    // check if at least one field value in list is not null, return the list
    for (Object elementValue : fieldValuesList.toMap().values()) {
        if (elementValue != null)
            return fieldValuesList;
    }

    return null; // all values in list is null
}

From source file:org.eclipse.emf.cdo.server.internal.mongodb.Commits.java

License:Open Source License

public void loadCommitInfos(CDOBranch branch, long startTime, long endTime,
        final CDOCommitInfoHandler handler) {
    if (endTime < CDOBranchPoint.UNSPECIFIED_DATE) {
        throw new IllegalArgumentException("Counting not supported");
    }/*from   w w  w.  jav  a2  s .  com*/

    DBObject query = new BasicDBObject();

    if (branch != null && store.isBranching()) {
        query.put(COMMITS_BRANCH, branch.getID());
    }

    BasicDBList list = new BasicDBList();
    if (startTime != CDOBranchPoint.UNSPECIFIED_DATE) {
        list.add(new BasicDBObject(QueryOperators.GTE, startTime));
    }

    if (endTime != CDOBranchPoint.UNSPECIFIED_DATE) {
        list.add(new BasicDBObject(QueryOperators.LTE, endTime));
    }

    int size = list.size();
    if (size == 2) {
        query.put(COMMITS_ID, list);
    } else if (size == 1) {
        query.put(COMMITS_ID, list.get(0));
    }

    InternalRepository repository = store.getRepository();
    final InternalCDOBranchManager branchManager = repository.getBranchManager();
    final InternalCDOCommitInfoManager commitManager = repository.getCommitInfoManager();

    new Query<Object>(query) {
        @Override
        public Object execute() {
            return execute(collection.find(getRef()).sort(new BasicDBObject(COMMITS_ID, 1)));
        }

        @Override
        protected Object handleDoc(DBObject doc) {
            long time = (Long) doc.get(COMMITS_ID);
            Object value = doc.get(COMMITS_PREVIOUS);
            long previous = value == null ? 0L : (Long) value;

            CDOBranch commitBranch;
            if (store.isBranching()) {
                int branchID = (Integer) doc.get(COMMITS_BRANCH);
                commitBranch = branchManager.getBranch(branchID);
            } else {
                commitBranch = branchManager.getMainBranch();
            }

            String user = (String) doc.get(COMMITS_USER);
            String comment = (String) doc.get(COMMITS_COMMENT);

            CDOCommitInfo commitInfo = commitManager.createCommitInfo(commitBranch, time, previous, user,
                    comment, null);
            handler.handleCommitInfo(commitInfo);
            return null;
        }
    }.execute();
}

From source file:org.envirocar.server.mongo.dao.MongoMeasurementDao.java

License:Open Source License

protected List<Key<MongoTrack>> toKeyList(Iterable<DBObject> res) {
    List<Key<MongoTrack>> keys = Lists.newLinkedList();
    for (DBObject obj : res) {
        BasicDBList list = (BasicDBList) obj.get(TRACKS);
        for (int i = 0; i < list.size(); i++) {
            DBRef ref = (DBRef) list.get(i);
            Key<MongoTrack> key = getMapper().refToKey(ref);
            keys.add(key);/*w  w w. j  a  va2 s . co  m*/
        }
    }
    return keys;
}

From source file:org.envirocar.server.mongo.util.GeoBSON.java

License:Open Source License

protected Coordinate decodeCoordinate(BasicDBList list) throws GeometryConverterException {
    if (list.size() != 2) {
        throw new GeometryConverterException("coordinates may only have 2 dimensions");
    }//w  w w.  j  a v a 2s.  c  om
    Object x = list.get(0);
    Object y = list.get(1);
    if (!(x instanceof Number) || !(y instanceof Number)) {
        throw new GeometryConverterException("x and y have to be numbers");
    }
    return new Coordinate(((Number) x).doubleValue(), ((Number) y).doubleValue());
}

From source file:org.envirocar.server.mongo.util.GeoBSON.java

License:Open Source License

protected Coordinate[] decodeCoordinates(BasicDBList list) throws GeometryConverterException {
    Coordinate[] coordinates = new Coordinate[list.size()];
    for (int i = 0; i < list.size(); ++i) {
        coordinates[i] = decodeCoordinate(toList(list.get(i)));
    }//from   ww w.java2s.  c  om
    return coordinates;
}

From source file:org.envirocar.server.mongo.util.GeoBSON.java

License:Open Source License

protected Polygon decodePolygonCoordinates(BasicDBList coordinates) throws GeometryConverterException {
    if (coordinates.size() < 1) {
        throw new GeometryConverterException("missing polygon shell");
    }/* w w w . j a v  a 2  s  .c  o  m*/
    LinearRing shell = factory.createLinearRing(decodeCoordinates(toList(coordinates.get(0))));
    LinearRing[] holes = new LinearRing[coordinates.size() - 1];
    for (int i = 1; i < coordinates.size(); ++i) {
        holes[i - 1] = factory.createLinearRing(decodeCoordinates(toList(coordinates.get(i))));
    }
    return factory.createPolygon(shell, holes);
}

From source file:org.envirocar.server.mongo.util.GeoBSON.java

License:Open Source License

@Override
public MultiLineString decodeMultiLineString(BSONObject bson) throws GeometryConverterException {
    BasicDBList coordinates = requireCoordinates(bson);
    LineString[] lineStrings = new LineString[coordinates.size()];
    for (int i = 0; i < coordinates.size(); ++i) {
        Object coords = coordinates.get(i);
        lineStrings[i] = factory.createLineString(decodeCoordinates(toList(coords)));
    }/*  w  w  w . j  ava  2 s . c  om*/
    return factory.createMultiLineString(lineStrings);
}

From source file:org.envirocar.server.mongo.util.GeoBSON.java

License:Open Source License

@Override
public MultiPolygon decodeMultiPolygon(BSONObject bson) throws GeometryConverterException {
    BasicDBList coordinates = requireCoordinates(bson);
    Polygon[] polygons = new Polygon[coordinates.size()];
    for (int i = 0; i < coordinates.size(); ++i) {
        polygons[i] = decodePolygonCoordinates(toList(coordinates.get(i)));
    }/*from  w ww.j  ava  2s . c o  m*/
    return factory.createMultiPolygon(polygons);
}