Examples with DelegatingSystemTablesProvider com.facebook.presto.connector.system.DelegatingSystemTablesProvider used on opensource projects

Example 1 with DelegatingSystemTablesProvider

use of com.facebook.presto.connector.system.DelegatingSystemTablesProvider in project presto by prestodb.

the class ConnectorManager method addCatalogConnector.

private synchronized void addCatalogConnector(String catalogName, ConnectorId connectorId, ConnectorFactory factory, Map<String, String> properties) {
    // create all connectors before adding, so a broken connector does not leave the system half updated
    MaterializedConnector connector = new MaterializedConnector(connectorId, createConnector(connectorId, factory, properties));
    MaterializedConnector informationSchemaConnector = new MaterializedConnector(createInformationSchemaConnectorId(connectorId), new InformationSchemaConnector(catalogName, nodeManager, metadataManager, accessControlManager, connector.getSessionProperties()));
    ConnectorId systemId = createSystemTablesConnectorId(connectorId);
    SystemTablesProvider systemTablesProvider;
    if (nodeManager.getCurrentNode().isCoordinator()) {
        systemTablesProvider = new DelegatingSystemTablesProvider(new StaticSystemTablesProvider(connector.getSystemTables()), new MetadataBasedSystemTablesProvider(metadataManager, catalogName));
    } else {
        systemTablesProvider = new StaticSystemTablesProvider(connector.getSystemTables());
    }
    MaterializedConnector systemConnector = new MaterializedConnector(systemId, new SystemConnector(systemId, nodeManager, systemTablesProvider, transactionId -> transactionManager.getConnectorTransaction(transactionId, connectorId), connector.getSessionProperties()));
    Catalog catalog = new Catalog(catalogName, connector.getConnectorId(), connector.getConnector(), informationSchemaConnector.getConnectorId(), informationSchemaConnector.getConnector(), systemConnector.getConnectorId(), systemConnector.getConnector());
    try {
        addConnectorInternal(connector);
        addConnectorInternal(informationSchemaConnector);
        addConnectorInternal(systemConnector);
        catalogManager.registerCatalog(catalog);
    } catch (Throwable e) {
        catalogManager.removeCatalog(catalog.getCatalogName());
        removeConnectorInternal(systemConnector.getConnectorId());
        removeConnectorInternal(informationSchemaConnector.getConnectorId());
        removeConnectorInternal(connector.getConnectorId());
        throw e;
    }
}