Examples with Database org.apache.derby.iapi.db.Database used on opensource projects

Example 1 with Database

use of org.apache.derby.iapi.db.Database in project derby by apache.

the class T_CreateConglomRet method isdbActive.

/**
 * Check wheather the database is active or not
 * @return {@code true} if the database is active, {@code false} otherwise
 */
public boolean isdbActive() {
    LanguageConnectionContext lcc = (LanguageConnectionContext) getContextOrNull(LanguageConnectionContext.CONTEXT_ID);
    Database db = (Database) (lcc != null ? lcc.getDatabase() : null);
    return (db != null ? db.isActive() : false);
}

Example 2 with Database

use of org.apache.derby.iapi.db.Database in project derby by apache.

the class BasicEmbeddedDataSource40 method setupResourceAdapter.

/**
 * Return a resource adapter. Use {@code ra} if non-null and active, else
 * get the one for the data base.
 *
 * @param ds The data source
 * @param ra The cached value if any
 * @param user The user name
 * @param password The password in clear text
 * @param requestPassword If {@code true}, use the supplied user and
 *                        password to boot the database if required
 * @return the resource adapter
 * @throws SQLException An error occurred
 */
protected static ResourceAdapter setupResourceAdapter(EmbeddedXADataSourceInterface ds, ResourceAdapter ra, String user, String password, boolean requestPassword) throws SQLException {
    synchronized (ds) {
        if (ra == null || !ra.isActive()) {
            // If it is inactive, it is useless.
            ra = null;
            // DERBY-4907 make sure the database name sent to find service
            // does not include attributes.
            String dbName = ((BasicEmbeddedDataSource40) ds).getShortDatabaseName();
            if (dbName != null) {
                // see if database already booted, if it is, then
                // don't make a connection.
                Database database = null;
                // has been booted.
                if (getMonitor() != null) {
                    database = (Database) findService(Property.DATABASE_MODULE, dbName);
                }
                if (database == null) {
                    // database cannot be found, this throws SQLException.
                    if (requestPassword) {
                        ds.getConnection(user, password).close();
                    } else {
                        ds.getConnection().close();
                    }
                    // now try to find it again
                    database = (Database) findService(Property.DATABASE_MODULE, dbName);
                }
                if (database != null) {
                    ra = (ResourceAdapter) database.getResourceAdapter();
                }
            }
            if (ra == null) {
                throw new SQLException(MessageService.getTextMessage(MessageId.CORE_DATABASE_NOT_AVAILABLE), "08006", ExceptionSeverity.DATABASE_SEVERITY);
            }
            // If database is already up, we need to set up driver
            // seperately.
            InternalDriver driver = ((BasicEmbeddedDataSource40) ds).findDriver();
            if (driver == null) {
                throw new SQLException(MessageService.getTextMessage(MessageId.CORE_DRIVER_NOT_AVAILABLE), "08006", ExceptionSeverity.DATABASE_SEVERITY);
            }
        }
    }
    return ra;
}

Example 3 with Database

use of org.apache.derby.iapi.db.Database in project derby by apache.

the class EmbedConnection method bootDatabase.

/**
 * Boot database.
 *
 * @param info boot properties
 *
 * @param softAuthenticationBoot If true, don't fail soft upgrade due
 * to missing features (phase one of two phased hard upgrade boot).
 *
 * @return false iff the monitor cannot handle a service
 * of the type indicated by the protocol within the name.
 * If that's the case then we are the wrong driver.
 *
 * @throws Throwable if anything else is wrong.
 */
private boolean bootDatabase(Properties info, boolean softAuthenticationBoot) throws Throwable {
    String dbname = tr.getDBName();
    // boot database now
    try {
        info = filterProperties(info);
        if (softAuthenticationBoot) {
            info.setProperty(Attribute.SOFT_UPGRADE_NO_FEATURE_CHECK, "true");
        } else {
            info.remove(Attribute.SOFT_UPGRADE_NO_FEATURE_CHECK);
        }
        // try to start the service if it doesn't already exist
        if (!startPersistentService(dbname, info)) {
            // so just return null.
            return false;
        }
        // clear these values as some modules hang onto
        // the properties set corresponding to service.properties
        // and they shouldn't be interested in these JDBC attributes.
        info.clear();
        Database database = (Database) findService(Property.DATABASE_MODULE, dbname);
        tr.setDatabase(database);
    } catch (StandardException mse) {
        Throwable ne = mse.getCause();
        SQLException nse;
        /*
			  If there is a next exception, assume
			  that the first one is just a redundant "see the
			  next exception" message.
			  if it is a BEI, treat it as a database exception.
			  If there isn't a BEI, treat it as a java exception.

			  In general we probably want to walk the chain
			  and return all of them, but empirically, this
			  is all we need to do for now.
			  */
        if (ne instanceof StandardException)
            nse = Util.generateCsSQLException((StandardException) ne);
        else if (ne != null)
            nse = Util.javaException(ne);
        else
            nse = Util.generateCsSQLException(mse);
        throw Util.seeNextException(SQLState.BOOT_DATABASE_FAILED, nse, (ne == null ? mse : ne), dbname, getClass().getClassLoader());
    }
    // exception would have been thrown already.
    return true;
}