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Example 1 with StreamClientQuery

use of org.bboxdb.network.server.StreamClientQuery in project bboxdb by jnidzwetzki.

the class HandleBoundingBoxQuery method handleQuery.

@Override
public /**
 * Handle a bounding box query
 */
void handleQuery(final ByteBuffer encodedPackage, final short packageSequence, final ClientConnectionHandler clientConnectionHandler) throws IOException, PackageEncodeException {
    try {
        if (clientConnectionHandler.getActiveQueries().containsKey(packageSequence)) {
            logger.error("Query sequence {} is already known, please close old query first", packageSequence);
            return;
        }
        final QueryBoundingBoxRequest queryRequest = QueryBoundingBoxRequest.decodeTuple(encodedPackage);
        final TupleStoreName requestTable = queryRequest.getTable();
        if (!QueryHelper.handleNonExstingTable(requestTable, packageSequence, clientConnectionHandler)) {
            return;
        }
        final OperatorTreeBuilder operatorTreeBuilder = new OperatorTreeBuilder() {

            @Override
            public Operator buildOperatorTree(final List<TupleStoreManager> storageManager) {
                if (storageManager.size() != 1) {
                    throw new IllegalArgumentException("This operator tree needs 1 storage manager");
                }
                final BoundingBox boundingBox = queryRequest.getBoundingBox();
                final SpatialIndexReadOperator operator = new SpatialIndexReadOperator(storageManager.get(0), boundingBox);
                return operator;
            }
        };
        final StreamClientQuery clientQuery = new StreamClientQuery(operatorTreeBuilder, queryRequest.isPagingEnabled(), queryRequest.getTuplesPerPage(), clientConnectionHandler, packageSequence, Arrays.asList(requestTable));
        clientConnectionHandler.getActiveQueries().put(packageSequence, clientQuery);
        clientConnectionHandler.sendNextResultsForQuery(packageSequence, packageSequence);
    } catch (PackageEncodeException e) {
        logger.warn("Got exception while decoding package", e);
        clientConnectionHandler.writeResultPackage(new ErrorResponse(packageSequence, ErrorMessages.ERROR_EXCEPTION));
    }
}
Also used : QueryBoundingBoxRequest(org.bboxdb.network.packages.request.QueryBoundingBoxRequest) SpatialIndexReadOperator(org.bboxdb.storage.queryprocessor.operator.SpatialIndexReadOperator) BoundingBox(org.bboxdb.commons.math.BoundingBox) PackageEncodeException(org.bboxdb.network.packages.PackageEncodeException) OperatorTreeBuilder(org.bboxdb.storage.queryprocessor.OperatorTreeBuilder) StreamClientQuery(org.bboxdb.network.server.StreamClientQuery) TupleStoreName(org.bboxdb.storage.entity.TupleStoreName) List(java.util.List) ErrorResponse(org.bboxdb.network.packages.response.ErrorResponse)

Example 2 with StreamClientQuery

use of org.bboxdb.network.server.StreamClientQuery in project bboxdb by jnidzwetzki.

the class HandleInsertTimeQuery method handleQuery.

@Override
public /**
 * Handle a time query
 */
void handleQuery(final ByteBuffer encodedPackage, final short packageSequence, final ClientConnectionHandler clientConnectionHandler) throws IOException, PackageEncodeException {
    try {
        if (clientConnectionHandler.getActiveQueries().containsKey(packageSequence)) {
            logger.error("Query sequence {} is allready known, please close old query first", packageSequence);
            return;
        }
        final QueryInsertTimeRequest queryRequest = QueryInsertTimeRequest.decodeTuple(encodedPackage);
        final TupleStoreName requestTable = queryRequest.getTable();
        if (!QueryHelper.handleNonExstingTable(requestTable, packageSequence, clientConnectionHandler)) {
            return;
        }
        final OperatorTreeBuilder operatorTreeBuilder = new OperatorTreeBuilder() {

            @Override
            public Operator buildOperatorTree(final List<TupleStoreManager> storageManager) {
                if (storageManager.size() != 1) {
                    throw new IllegalArgumentException("This operator tree needs 1 storage manager");
                }
                final FullTablescanOperator tablescanOperator = new FullTablescanOperator(storageManager.get(0));
                final long timestamp = queryRequest.getTimestamp();
                final Operator opeator = new NewerAsInsertTimeSeclectionOperator(timestamp, tablescanOperator);
                return opeator;
            }
        };
        final StreamClientQuery clientQuery = new StreamClientQuery(operatorTreeBuilder, queryRequest.isPagingEnabled(), queryRequest.getTuplesPerPage(), clientConnectionHandler, packageSequence, Arrays.asList(requestTable));
        clientConnectionHandler.getActiveQueries().put(packageSequence, clientQuery);
        clientConnectionHandler.sendNextResultsForQuery(packageSequence, packageSequence);
    } catch (PackageEncodeException e) {
        logger.warn("Got exception while decoding package", e);
        clientConnectionHandler.writeResultPackage(new ErrorResponse(packageSequence, ErrorMessages.ERROR_EXCEPTION));
    }
}
Also used : FullTablescanOperator(org.bboxdb.storage.queryprocessor.operator.FullTablescanOperator) NewerAsInsertTimeSeclectionOperator(org.bboxdb.storage.queryprocessor.operator.NewerAsInsertTimeSeclectionOperator) Operator(org.bboxdb.storage.queryprocessor.operator.Operator) QueryInsertTimeRequest(org.bboxdb.network.packages.request.QueryInsertTimeRequest) FullTablescanOperator(org.bboxdb.storage.queryprocessor.operator.FullTablescanOperator) PackageEncodeException(org.bboxdb.network.packages.PackageEncodeException) OperatorTreeBuilder(org.bboxdb.storage.queryprocessor.OperatorTreeBuilder) StreamClientQuery(org.bboxdb.network.server.StreamClientQuery) TupleStoreName(org.bboxdb.storage.entity.TupleStoreName) List(java.util.List) NewerAsInsertTimeSeclectionOperator(org.bboxdb.storage.queryprocessor.operator.NewerAsInsertTimeSeclectionOperator) ErrorResponse(org.bboxdb.network.packages.response.ErrorResponse)

Example 3 with StreamClientQuery

use of org.bboxdb.network.server.StreamClientQuery in project bboxdb by jnidzwetzki.

the class HandleJoinQuery method handleQuery.

@Override
public /**
 * Handle a bounding box query
 */
void handleQuery(final ByteBuffer encodedPackage, final short packageSequence, final ClientConnectionHandler clientConnectionHandler) throws IOException, PackageEncodeException {
    try {
        if (clientConnectionHandler.getActiveQueries().containsKey(packageSequence)) {
            logger.error("Query sequence {} is allready known, please close old query first", packageSequence);
            return;
        }
        final QueryJoinRequest queryRequest = QueryJoinRequest.decodeTuple(encodedPackage);
        final List<TupleStoreName> requestTables = queryRequest.getTables();
        final BoundingBox boundingBox = queryRequest.getBoundingBox();
        for (final TupleStoreName requestTable : requestTables) {
            if (!QueryHelper.handleNonExstingTable(requestTable, packageSequence, clientConnectionHandler)) {
                return;
            }
        }
        final OperatorTreeBuilder operatorTreeBuilder = new OperatorTreeBuilder() {

            @Override
            public Operator buildOperatorTree(final List<TupleStoreManager> storageManager) {
                if (storageManager.size() <= 1) {
                    throw new IllegalArgumentException("This operator tree needs more than one storage manager");
                }
                Operator operator1 = new SpatialIndexReadOperator(storageManager.get(0), boundingBox);
                SpatialIndexReadOperator indexReader = new SpatialIndexReadOperator(storageManager.get(1));
                operator1 = new IndexedSpatialJoinOperator(operator1, indexReader);
                for (int i = 3; i < storageManager.size(); i++) {
                    indexReader = new SpatialIndexReadOperator(storageManager.get(i));
                    operator1 = new IndexedSpatialJoinOperator(operator1, indexReader);
                }
                return operator1;
            }
        };
        final StreamClientQuery clientQuery = new StreamClientQuery(operatorTreeBuilder, queryRequest.isPagingEnabled(), queryRequest.getTuplesPerPage(), clientConnectionHandler, packageSequence, requestTables);
        clientConnectionHandler.getActiveQueries().put(packageSequence, clientQuery);
        clientConnectionHandler.sendNextResultsForQuery(packageSequence, packageSequence);
    } catch (PackageEncodeException e) {
        logger.warn("Got exception while decoding package", e);
        clientConnectionHandler.writeResultPackage(new ErrorResponse(packageSequence, ErrorMessages.ERROR_EXCEPTION));
    }
}
Also used : IndexedSpatialJoinOperator(org.bboxdb.storage.queryprocessor.operator.IndexedSpatialJoinOperator) Operator(org.bboxdb.storage.queryprocessor.operator.Operator) SpatialIndexReadOperator(org.bboxdb.storage.queryprocessor.operator.SpatialIndexReadOperator) StreamClientQuery(org.bboxdb.network.server.StreamClientQuery) IndexedSpatialJoinOperator(org.bboxdb.storage.queryprocessor.operator.IndexedSpatialJoinOperator) ErrorResponse(org.bboxdb.network.packages.response.ErrorResponse) QueryJoinRequest(org.bboxdb.network.packages.request.QueryJoinRequest) SpatialIndexReadOperator(org.bboxdb.storage.queryprocessor.operator.SpatialIndexReadOperator) BoundingBox(org.bboxdb.commons.math.BoundingBox) PackageEncodeException(org.bboxdb.network.packages.PackageEncodeException) OperatorTreeBuilder(org.bboxdb.storage.queryprocessor.OperatorTreeBuilder) TupleStoreName(org.bboxdb.storage.entity.TupleStoreName) List(java.util.List)

Example 4 with StreamClientQuery

use of org.bboxdb.network.server.StreamClientQuery in project bboxdb by jnidzwetzki.

the class HandleBoundingBoxTimeQuery method handleQuery.

@Override
public /**
 * Handle the bounding box time query
 */
void handleQuery(final ByteBuffer encodedPackage, final short packageSequence, final ClientConnectionHandler clientConnectionHandler) throws IOException {
    try {
        if (clientConnectionHandler.getActiveQueries().containsKey(packageSequence)) {
            logger.error("Query sequence {} is allready known, please close old query first", packageSequence);
        }
        final QueryBoundingBoxTimeRequest queryRequest = QueryBoundingBoxTimeRequest.decodeTuple(encodedPackage);
        final TupleStoreName requestTable = queryRequest.getTable();
        if (!QueryHelper.handleNonExstingTable(requestTable, packageSequence, clientConnectionHandler)) {
            return;
        }
        final OperatorTreeBuilder operatorTreeBuilder = new OperatorTreeBuilder() {

            @Override
            public Operator buildOperatorTree(final List<TupleStoreManager> storageManager) {
                if (storageManager.size() != 1) {
                    throw new IllegalArgumentException("This operator tree needs 1 storage manager");
                }
                final BoundingBox boundingBox = queryRequest.getBoundingBox();
                final SpatialIndexReadOperator operator = new SpatialIndexReadOperator(storageManager.get(0), boundingBox);
                final Operator operator1 = new NewerAsInsertTimeSeclectionOperator(queryRequest.getTimestamp(), operator);
                return operator1;
            }
        };
        final StreamClientQuery clientQuery = new StreamClientQuery(operatorTreeBuilder, queryRequest.isPagingEnabled(), queryRequest.getTuplesPerPage(), clientConnectionHandler, packageSequence, Arrays.asList(requestTable));
        clientConnectionHandler.getActiveQueries().put(packageSequence, clientQuery);
        clientConnectionHandler.sendNextResultsForQuery(packageSequence, packageSequence);
    } catch (PackageEncodeException e) {
        logger.warn("Got exception while decoding package", e);
        clientConnectionHandler.writeResultPackageNE(new ErrorResponse(packageSequence, ErrorMessages.ERROR_EXCEPTION));
    }
}
Also used : NewerAsInsertTimeSeclectionOperator(org.bboxdb.storage.queryprocessor.operator.NewerAsInsertTimeSeclectionOperator) Operator(org.bboxdb.storage.queryprocessor.operator.Operator) SpatialIndexReadOperator(org.bboxdb.storage.queryprocessor.operator.SpatialIndexReadOperator) QueryBoundingBoxTimeRequest(org.bboxdb.network.packages.request.QueryBoundingBoxTimeRequest) SpatialIndexReadOperator(org.bboxdb.storage.queryprocessor.operator.SpatialIndexReadOperator) BoundingBox(org.bboxdb.commons.math.BoundingBox) PackageEncodeException(org.bboxdb.network.packages.PackageEncodeException) OperatorTreeBuilder(org.bboxdb.storage.queryprocessor.OperatorTreeBuilder) StreamClientQuery(org.bboxdb.network.server.StreamClientQuery) TupleStoreName(org.bboxdb.storage.entity.TupleStoreName) List(java.util.List) NewerAsInsertTimeSeclectionOperator(org.bboxdb.storage.queryprocessor.operator.NewerAsInsertTimeSeclectionOperator) ErrorResponse(org.bboxdb.network.packages.response.ErrorResponse)

Example 5 with StreamClientQuery

use of org.bboxdb.network.server.StreamClientQuery in project bboxdb by jnidzwetzki.

the class HandleVersionTimeQuery method handleQuery.

@Override
public /**
 * Handle a time query
 */
void handleQuery(final ByteBuffer encodedPackage, final short packageSequence, final ClientConnectionHandler clientConnectionHandler) throws IOException, PackageEncodeException {
    try {
        if (clientConnectionHandler.getActiveQueries().containsKey(packageSequence)) {
            logger.error("Query sequence {} is allready known, please close old query first", packageSequence);
            return;
        }
        final QueryVersionTimeRequest queryRequest = QueryVersionTimeRequest.decodeTuple(encodedPackage);
        final TupleStoreName requestTable = queryRequest.getTable();
        if (!QueryHelper.handleNonExstingTable(requestTable, packageSequence, clientConnectionHandler)) {
            return;
        }
        final OperatorTreeBuilder operatorTreeBuilder = new OperatorTreeBuilder() {

            @Override
            public Operator buildOperatorTree(final List<TupleStoreManager> storageManager) {
                if (storageManager.size() != 1) {
                    throw new IllegalArgumentException("This operator tree needs 1 storage manager");
                }
                final FullTablescanOperator tablescanOperator = new FullTablescanOperator(storageManager.get(0));
                final long timestamp = queryRequest.getTimestamp();
                final Operator opeator = new NewerAsVersionTimeSelectionOperator(timestamp, tablescanOperator);
                return opeator;
            }
        };
        final StreamClientQuery clientQuery = new StreamClientQuery(operatorTreeBuilder, queryRequest.isPagingEnabled(), queryRequest.getTuplesPerPage(), clientConnectionHandler, packageSequence, Arrays.asList(requestTable));
        clientConnectionHandler.getActiveQueries().put(packageSequence, clientQuery);
        clientConnectionHandler.sendNextResultsForQuery(packageSequence, packageSequence);
    } catch (PackageEncodeException e) {
        logger.warn("Got exception while decoding package", e);
        clientConnectionHandler.writeResultPackage(new ErrorResponse(packageSequence, ErrorMessages.ERROR_EXCEPTION));
    }
    return;
}
Also used : FullTablescanOperator(org.bboxdb.storage.queryprocessor.operator.FullTablescanOperator) NewerAsVersionTimeSelectionOperator(org.bboxdb.storage.queryprocessor.operator.NewerAsVersionTimeSelectionOperator) Operator(org.bboxdb.storage.queryprocessor.operator.Operator) NewerAsVersionTimeSelectionOperator(org.bboxdb.storage.queryprocessor.operator.NewerAsVersionTimeSelectionOperator) QueryVersionTimeRequest(org.bboxdb.network.packages.request.QueryVersionTimeRequest) FullTablescanOperator(org.bboxdb.storage.queryprocessor.operator.FullTablescanOperator) PackageEncodeException(org.bboxdb.network.packages.PackageEncodeException) OperatorTreeBuilder(org.bboxdb.storage.queryprocessor.OperatorTreeBuilder) StreamClientQuery(org.bboxdb.network.server.StreamClientQuery) TupleStoreName(org.bboxdb.storage.entity.TupleStoreName) List(java.util.List) ErrorResponse(org.bboxdb.network.packages.response.ErrorResponse)

Aggregations

List (java.util.List)5 PackageEncodeException (org.bboxdb.network.packages.PackageEncodeException)5 ErrorResponse (org.bboxdb.network.packages.response.ErrorResponse)5 StreamClientQuery (org.bboxdb.network.server.StreamClientQuery)5 TupleStoreName (org.bboxdb.storage.entity.TupleStoreName)5 OperatorTreeBuilder (org.bboxdb.storage.queryprocessor.OperatorTreeBuilder)5 Operator (org.bboxdb.storage.queryprocessor.operator.Operator)4 BoundingBox (org.bboxdb.commons.math.BoundingBox)3 SpatialIndexReadOperator (org.bboxdb.storage.queryprocessor.operator.SpatialIndexReadOperator)3 FullTablescanOperator (org.bboxdb.storage.queryprocessor.operator.FullTablescanOperator)2 NewerAsInsertTimeSeclectionOperator (org.bboxdb.storage.queryprocessor.operator.NewerAsInsertTimeSeclectionOperator)2 QueryBoundingBoxRequest (org.bboxdb.network.packages.request.QueryBoundingBoxRequest)1 QueryBoundingBoxTimeRequest (org.bboxdb.network.packages.request.QueryBoundingBoxTimeRequest)1 QueryInsertTimeRequest (org.bboxdb.network.packages.request.QueryInsertTimeRequest)1 QueryJoinRequest (org.bboxdb.network.packages.request.QueryJoinRequest)1 QueryVersionTimeRequest (org.bboxdb.network.packages.request.QueryVersionTimeRequest)1 IndexedSpatialJoinOperator (org.bboxdb.storage.queryprocessor.operator.IndexedSpatialJoinOperator)1 NewerAsVersionTimeSelectionOperator (org.bboxdb.storage.queryprocessor.operator.NewerAsVersionTimeSelectionOperator)1