Examples with Execute com.datastax.oss.protocol.internal.request.Execute used on opensource projects

Example 6 with Execute

use of com.datastax.oss.protocol.internal.request.Execute in project java-driver by datastax.

the class Conversions method toMessage.

public static Message toMessage(Statement<?> statement, DriverExecutionProfile config, InternalDriverContext context) {
    ConsistencyLevelRegistry consistencyLevelRegistry = context.getConsistencyLevelRegistry();
    ConsistencyLevel consistency = statement.getConsistencyLevel();
    int consistencyCode = (consistency == null) ? consistencyLevelRegistry.nameToCode(config.getString(DefaultDriverOption.REQUEST_CONSISTENCY)) : consistency.getProtocolCode();
    int pageSize = statement.getPageSize();
    if (pageSize <= 0) {
        pageSize = config.getInt(DefaultDriverOption.REQUEST_PAGE_SIZE);
    }
    ConsistencyLevel serialConsistency = statement.getSerialConsistencyLevel();
    int serialConsistencyCode = (serialConsistency == null) ? consistencyLevelRegistry.nameToCode(config.getString(DefaultDriverOption.REQUEST_SERIAL_CONSISTENCY)) : serialConsistency.getProtocolCode();
    long timestamp = statement.getQueryTimestamp();
    if (timestamp == Statement.NO_DEFAULT_TIMESTAMP) {
        timestamp = context.getTimestampGenerator().next();
    }
    CodecRegistry codecRegistry = context.getCodecRegistry();
    ProtocolVersion protocolVersion = context.getProtocolVersion();
    ProtocolVersionRegistry protocolVersionRegistry = context.getProtocolVersionRegistry();
    CqlIdentifier keyspace = statement.getKeyspace();
    int nowInSeconds = statement.getNowInSeconds();
    if (nowInSeconds != Statement.NO_NOW_IN_SECONDS && !protocolVersionRegistry.supports(protocolVersion, DefaultProtocolFeature.NOW_IN_SECONDS)) {
        throw new IllegalArgumentException("Can't use nowInSeconds with protocol " + protocolVersion);
    }
    if (statement instanceof SimpleStatement) {
        SimpleStatement simpleStatement = (SimpleStatement) statement;
        List<Object> positionalValues = simpleStatement.getPositionalValues();
        Map<CqlIdentifier, Object> namedValues = simpleStatement.getNamedValues();
        if (!positionalValues.isEmpty() && !namedValues.isEmpty()) {
            throw new IllegalArgumentException("Can't have both positional and named values in a statement.");
        }
        if (keyspace != null && !protocolVersionRegistry.supports(protocolVersion, DefaultProtocolFeature.PER_REQUEST_KEYSPACE)) {
            throw new IllegalArgumentException("Can't use per-request keyspace with protocol " + protocolVersion);
        }
        QueryOptions queryOptions = new QueryOptions(consistencyCode, encode(positionalValues, codecRegistry, protocolVersion), encode(namedValues, codecRegistry, protocolVersion), false, pageSize, statement.getPagingState(), serialConsistencyCode, timestamp, (keyspace == null) ? null : keyspace.asInternal(), nowInSeconds);
        return new Query(simpleStatement.getQuery(), queryOptions);
    } else if (statement instanceof BoundStatement) {
        BoundStatement boundStatement = (BoundStatement) statement;
        if (!protocolVersionRegistry.supports(protocolVersion, DefaultProtocolFeature.UNSET_BOUND_VALUES)) {
            ensureAllSet(boundStatement);
        }
        boolean skipMetadata = boundStatement.getPreparedStatement().getResultSetDefinitions().size() > 0;
        QueryOptions queryOptions = new QueryOptions(consistencyCode, boundStatement.getValues(), Collections.emptyMap(), skipMetadata, pageSize, statement.getPagingState(), serialConsistencyCode, timestamp, null, nowInSeconds);
        PreparedStatement preparedStatement = boundStatement.getPreparedStatement();
        ByteBuffer id = preparedStatement.getId();
        ByteBuffer resultMetadataId = preparedStatement.getResultMetadataId();
        return new Execute(Bytes.getArray(id), (resultMetadataId == null) ? null : Bytes.getArray(resultMetadataId), queryOptions);
    } else if (statement instanceof BatchStatement) {
        BatchStatement batchStatement = (BatchStatement) statement;
        if (!protocolVersionRegistry.supports(protocolVersion, DefaultProtocolFeature.UNSET_BOUND_VALUES)) {
            ensureAllSet(batchStatement);
        }
        if (keyspace != null && !protocolVersionRegistry.supports(protocolVersion, DefaultProtocolFeature.PER_REQUEST_KEYSPACE)) {
            throw new IllegalArgumentException("Can't use per-request keyspace with protocol " + protocolVersion);
        }
        List<Object> queriesOrIds = new ArrayList<>(batchStatement.size());
        List<List<ByteBuffer>> values = new ArrayList<>(batchStatement.size());
        for (BatchableStatement<?> child : batchStatement) {
            if (child instanceof SimpleStatement) {
                SimpleStatement simpleStatement = (SimpleStatement) child;
                if (simpleStatement.getNamedValues().size() > 0) {
                    throw new IllegalArgumentException(String.format("Batch statements cannot contain simple statements with named values " + "(offending statement: %s)", simpleStatement.getQuery()));
                }
                queriesOrIds.add(simpleStatement.getQuery());
                values.add(encode(simpleStatement.getPositionalValues(), codecRegistry, protocolVersion));
            } else if (child instanceof BoundStatement) {
                BoundStatement boundStatement = (BoundStatement) child;
                queriesOrIds.add(Bytes.getArray(boundStatement.getPreparedStatement().getId()));
                values.add(boundStatement.getValues());
            } else {
                throw new IllegalArgumentException("Unsupported child statement: " + child.getClass().getName());
            }
        }
        return new Batch(batchStatement.getBatchType().getProtocolCode(), queriesOrIds, values, consistencyCode, serialConsistencyCode, timestamp, (keyspace == null) ? null : keyspace.asInternal(), nowInSeconds);
    } else {
        throw new IllegalArgumentException("Unsupported statement type: " + statement.getClass().getName());
    }
}