Examples with CreatePreparedStatementReq org.apache.drill.exec.proto.UserProtos.CreatePreparedStatementReq used on opensource projects

Example 1 with CreatePreparedStatementReq

use of org.apache.drill.exec.proto.UserProtos.CreatePreparedStatementReq in project drill by apache.

the class UserServerRequestHandler method handle.

@Override
public void handle(BitToUserConnection connection, int rpcType, ByteBuf pBody, ByteBuf dBody, ResponseSender responseSender) throws RpcException {
    switch(rpcType) {
        case RpcType.RUN_QUERY_VALUE:
            logger.debug("Received query to run.  Returning query handle.");
            try {
                final RunQuery query = RunQuery.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final QueryId queryId = worker.submitWork(connection, query);
                responseSender.send(new Response(RpcType.QUERY_HANDLE, queryId));
                break;
            } catch (InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding RunQuery body.", e);
            }
        case RpcType.CANCEL_QUERY_VALUE:
            try {
                final QueryId queryId = QueryId.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final Ack ack = worker.cancelQuery(queryId);
                responseSender.send(new Response(RpcType.ACK, ack));
                break;
            } catch (InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding QueryId body.", e);
            }
        case RpcType.RESUME_PAUSED_QUERY_VALUE:
            try {
                final QueryId queryId = QueryId.PARSER.parseFrom(new ByteBufInputStream(pBody));
                final Ack ack = worker.resumeQuery(queryId);
                responseSender.send(new Response(RpcType.ACK, ack));
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding QueryId body.", e);
            }
        case RpcType.GET_QUERY_PLAN_FRAGMENTS_VALUE:
            try {
                final GetQueryPlanFragments req = GetQueryPlanFragments.PARSER.parseFrom(new ByteBufInputStream(pBody));
                responseSender.send(new Response(RpcType.QUERY_PLAN_FRAGMENTS, worker.getQueryPlan(connection, req)));
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetQueryPlanFragments body.", e);
            }
        case RpcType.GET_CATALOGS_VALUE:
            try {
                final GetCatalogsReq req = GetCatalogsReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitCatalogMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetCatalogsReq body.", e);
            }
        case RpcType.GET_SCHEMAS_VALUE:
            try {
                final GetSchemasReq req = GetSchemasReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitSchemasMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetSchemasReq body.", e);
            }
        case RpcType.GET_TABLES_VALUE:
            try {
                final GetTablesReq req = GetTablesReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitTablesMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetTablesReq body.", e);
            }
        case RpcType.GET_COLUMNS_VALUE:
            try {
                final GetColumnsReq req = GetColumnsReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitColumnsMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding GetColumnsReq body.", e);
            }
        case RpcType.CREATE_PREPARED_STATEMENT_VALUE:
            try {
                final CreatePreparedStatementReq req = CreatePreparedStatementReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitPreparedStatementWork(connection, req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding CreatePreparedStatementReq body.", e);
            }
        case RpcType.GET_SERVER_META_VALUE:
            try {
                final GetServerMetaReq req = GetServerMetaReq.PARSER.parseFrom(new ByteBufInputStream(pBody));
                worker.submitServerMetadataWork(connection.getSession(), req, responseSender);
                break;
            } catch (final InvalidProtocolBufferException e) {
                throw new RpcException("Failure while decoding CreatePreparedStatementReq body.", e);
            }
        default:
            throw new UnsupportedOperationException(String.format("UserServerRequestHandler received rpc of unknown type. Type was %d.", rpcType));
    }
}