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Example 1 with QueryInsertTimeRequest

use of org.bboxdb.network.packages.request.QueryInsertTimeRequest 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 2 with QueryInsertTimeRequest

use of org.bboxdb.network.packages.request.QueryInsertTimeRequest in project bboxdb by jnidzwetzki.

the class TestNetworkClasses method testDecodeInsertTimeQuery.

/**
 * Test decode insert time query
 * @throws IOException
 * @throws PackageEncodeException
 */
@Test(timeout = 60000)
public void testDecodeInsertTimeQuery() throws IOException, PackageEncodeException {
    final String table = "table1";
    final long timeStamp = 4711;
    final short sequenceNumber = sequenceNumberGenerator.getNextSequenceNummber();
    final QueryInsertTimeRequest queryRequest = new QueryInsertTimeRequest(sequenceNumber, ROUTING_HEADER_ROUTED, table, timeStamp, true, (short) 50);
    byte[] encodedPackage = networkPackageToByte(queryRequest);
    Assert.assertNotNull(encodedPackage);
    final ByteBuffer bb = NetworkPackageDecoder.encapsulateBytes(encodedPackage);
    boolean result = NetworkPackageDecoder.validateRequestPackageHeader(bb, NetworkConst.REQUEST_TYPE_QUERY);
    Assert.assertTrue(result);
    final QueryInsertTimeRequest decodedPackage = QueryInsertTimeRequest.decodeTuple(bb);
    Assert.assertEquals(queryRequest.getTimestamp(), decodedPackage.getTimestamp());
    Assert.assertEquals(queryRequest.getTable(), decodedPackage.getTable());
    Assert.assertEquals(queryRequest.isPagingEnabled(), decodedPackage.isPagingEnabled());
    Assert.assertEquals(queryRequest.getTuplesPerPage(), decodedPackage.getTuplesPerPage());
    Assert.assertEquals(NetworkConst.REQUEST_QUERY_INSERT_TIME, NetworkPackageDecoder.getQueryTypeFromRequest(bb));
    Assert.assertEquals(queryRequest.toString(), decodedPackage.toString());
}
Also used : QueryInsertTimeRequest(org.bboxdb.network.packages.request.QueryInsertTimeRequest) ByteBuffer(java.nio.ByteBuffer) Test(org.junit.Test)

Aggregations

QueryInsertTimeRequest (org.bboxdb.network.packages.request.QueryInsertTimeRequest)2 ByteBuffer (java.nio.ByteBuffer)1 List (java.util.List)1 PackageEncodeException (org.bboxdb.network.packages.PackageEncodeException)1 ErrorResponse (org.bboxdb.network.packages.response.ErrorResponse)1 StreamClientQuery (org.bboxdb.network.server.StreamClientQuery)1 TupleStoreName (org.bboxdb.storage.entity.TupleStoreName)1 OperatorTreeBuilder (org.bboxdb.storage.queryprocessor.OperatorTreeBuilder)1 FullTablescanOperator (org.bboxdb.storage.queryprocessor.operator.FullTablescanOperator)1 NewerAsInsertTimeSeclectionOperator (org.bboxdb.storage.queryprocessor.operator.NewerAsInsertTimeSeclectionOperator)1 Operator (org.bboxdb.storage.queryprocessor.operator.Operator)1 Test (org.junit.Test)1