Examples with GrusConnection org.dexels.grus.GrusConnection used on opensource projects

Example 1 with GrusConnection

use of org.dexels.grus.GrusConnection in project navajo by Dexels.

the class GrusProviderImpl method requestConnection.

@Override
public GrusConnection requestConnection(String instance, String name) throws UserException {
    DataSource dataSourceInstance = null;
    dataSourceInstance = getInstanceDataSource(instance, name);
    Map<String, Object> settings = settingsMap.get(dataSourceInstance);
    if (settings == null && dataSourceInstance == null) {
        settings = defaultSettingsMap.get(name);
        if (settings == null) {
            throw new UserException(-1, "Could not find settings for tenant-less datasource: " + name + " available (tenant-less) datasources: " + defaultSettingsMap.keySet());
        }
        dataSourceInstance = defaultDataSources.get(name);
    }
    int id = connectionCounter.getAndIncrement();
    GrusConnection gc;
    try {
        gc = new GrusDataSource(id, dataSourceInstance, settings, this);
    } catch (Exception e) {
        throw new UserException(-1, "Could not create datasource connection for: " + instance + " and name: " + name, e);
    }
    grusIds.put((long) id, gc);
    Map<DataSource, Integer> currentMap = userThreadLocal.get();
    if (currentMap == null) {
        currentMap = new HashMap<>();
    }
    currentMap.put(dataSourceInstance, id);
    userThreadLocal.set(currentMap);
    return gc;
}

Example 2 with GrusConnection

use of org.dexels.grus.GrusConnection in project navajo by Dexels.

the class SQLMap method createConnection.

protected final void createConnection() throws SQLException, UserException {
    if (this.debug) {
        Access.writeToConsole(myAccess, this.getClass() + ": in createConnection()\n");
    }
    if (transactionContext != -1) {
        GrusConnection gc = null;
        if (GrusProviderFactory.getInstance() != null) {
            gc = GrusProviderFactory.getInstance().requestConnection(transactionContext);
        } else {
            gc = LegacyDbConnectionBroker.getGrusConnection(transactionContext);
        }
        if (gc == null) {
            throw new UserException(-1, "Invalid transaction context set: " + transactionContext);
        }
        con = gc.getConnection();
        if (con == null) {
            throw new UserException(-1, "Invalid transaction context set: " + transactionContext);
        }
        // Set myConnectionBroker.
        myConnectionBroker = gc.getMyBroker();
        // Make sure to set connection id.
        this.connectionId = transactionContext;
    }
    if (con == null) {
        if (this.debug) {
            Access.writeToConsole(myAccess, "in createConnection() for datasource " + datasource + " and username " + username + "\n");
        }
        if (GrusProviderFactory.getInstance() != null) {
            // in multitenant or OSGi
            if (transactionContext != -1) {
                gc = GrusProviderFactory.getInstance().requestConnection(transactionContext);
                this.ownConnection = false;
            } else {
                String instance = this.instance;
                if (myAccess != null) {
                    instance = myAccess.getTenant();
                }
                if (GrusProviderFactory.getInstance().threadContainsConnection(instance, datasource)) {
                    logger.debug("Opening yet another connection {} for {} in the same thread!", datasource, instance);
                // gc = GrusProviderFactory.getInstance().requestExistingConnection(instance, datasource);
                // this.ownConnection = false;
                // transactionContext = ((Long) gc.getId()).intValue();
                }
                gc = GrusProviderFactory.getInstance().requestConnection(instance, datasource);
                this.ownConnection = true;
            }
            multiTenantGrusConnection = gc;
        } else {
            myConnectionBroker = null;
            if (fixedBroker != null) {
                myConnectionBroker = fixedBroker.get(this.datasource, null, null);
            }
            if (myConnectionBroker == null) {
                throw new UserException(-1, "Could not create connection to datasource " + this.datasource + ", using username " + this.username + ", fixedBroker = " + fixedBroker + " for tenant: " + instance);
            }
            gc = myConnectionBroker.getGrusConnection();
        }
        if (gc == null) {
            AuditLog.log("SQLMap", "Could (still) not connect to database: " + datasource + " (" + this.username + ")" + ", check your connection", Level.SEVERE);
            throw new UserException(-1, "Could not connect to database: " + datasource + " (" + this.username + ")" + ", check your connection");
        }
        con = gc.getConnection();
        if (con == null) {
            AuditLog.log("SQLMap", "Could (still) not connect to database: " + datasource + " (" + this.username + ")" + ", check your connection", Level.SEVERE);
            throw new UserException(-1, "Could not connect to database: " + datasource + " (" + this.username + ")" + ", check your connection");
        // }
        } else {
            if (this.debug) {
                Access.writeToConsole(myAccess, this.getClass() + ": returned a good connection from the broker manager\n");
            }
        }
        // Set current schema if username was specified...
        if (this.alternativeUsername != null) {
            // Only works for Oracle...
            try {
                // Now set current_schema...
                PreparedStatement stmt = null;
                if (SQLMapConstants.POSTGRESDB.equals(this.getDbIdentifier()) || SQLMapConstants.ENTERPRISEDB.equals(this.getDbIdentifier())) {
                    stmt = con.prepareStatement("SET SEARCH_PATH TO " + this.alternativeUsername + ",public,oracle");
                } else {
                    stmt = con.prepareStatement("ALTER SESSION SET CURRENT_SCHEMA = " + this.alternativeUsername);
                }
                stmt.executeUpdate();
                stmt.close();
            } catch (Exception e) {
                logger.error("Looking for schema based on username: " + this.alternativeUsername, e);
                throw new UserException(-1, "Switching to schema based on username " + this.alternativeUsername + " failed");
            }
        }
        if (con != null && (myConnectionBroker == null || myConnectionBroker.hasAutoCommit())) {
            con.setAutoCommit(autoCommit);
            if (!con.getAutoCommit()) {
                con.commit();
            }
            // con.setHoldability(ResultSet.CLOSE_CURSORS_AT_COMMIT);
            if (transactionIsolation != -1) {
                con.setTransactionIsolation(transactionIsolation);
            }
        // Set session identification.
        // SessionIdentification.setSessionId(this.getMetaData() != null ? this.getMetaData().getVendor(): "Unknown", con, this.myAccess);
        }
        if (this.con != null) {
            this.connectionId = (int) gc.getId();
            if (this.debug) {
                Access.writeToConsole(myAccess, this.getClass() + ": put connection no. " + this.connectionId + " into the connection map\n");
            }
        }
    }
}