Examples with EngineConnection org.apache.derby.iapi.jdbc.EngineConnection used on opensource projects

Example 1 with EngineConnection

use of org.apache.derby.iapi.jdbc.EngineConnection in project derby by apache.

the class Database method makeConnection.

/**
 * Make a new connection using the database name and set
 * the connection in the database
 * @param p Properties for connection attributes to pass to connect
 */
void makeConnection(Properties p) throws SQLException {
    p.put(Attribute.USERNAME_ATTR, userId);
    // take care of case of SECMEC_USRIDONL
    if (password != null)
        p.put(Attribute.PASSWORD_ATTR, password);
    // Contract between network server and embedded engine
    // is that any connection returned implements EngineConnection.
    EngineConnection conn = (EngineConnection) NetworkServerControlImpl.getDriver().connect(Attribute.PROTOCOL + shortDbName + attrString, p);
    if (conn != null) {
        conn.setAutoCommit(false);
    }
    setConnection(conn);
}

Example 2 with EngineConnection

use of org.apache.derby.iapi.jdbc.EngineConnection in project derby by apache.

the class XADatabase method makeConnection.

/**
 * Make a new connection using the database name and set
 * the connection in the database
 * @throws java.sql.SQLException
 */
@Override
synchronized void makeConnection(Properties p) throws SQLException {
    if (xaDataSource == null) {
        Class<?> clazz;
        try {
            if (JVMInfo.hasJNDI()) {
                clazz = Class.forName("org.apache.derby.jdbc.EmbeddedXADataSource");
                xaDataSource = (EmbeddedXADataSourceInterface) clazz.getConstructor().newInstance();
            } else {
                clazz = Class.forName("org.apache.derby.jdbc.BasicEmbeddedXADataSource40");
                xaDataSource = (EmbeddedXADataSourceInterface) clazz.getConstructor().newInstance();
            }
        } catch (Exception e) {
            SQLException ne = new SQLException(MessageService.getTextMessage(MessageId.CORE_DATABASE_NOT_AVAILABLE), "08006", ExceptionSeverity.DATABASE_SEVERITY);
            ne.initCause(e);
            throw ne;
        }
    }
    xaDataSource.setDatabaseName(getShortDbName());
    appendAttrString(p);
    if (attrString != null)
        xaDataSource.setConnectionAttributes(attrString);
    EngineConnection conn = getConnection();
    // If we have no existing connection. this is a brand new XAConnection.
    if (conn == null) {
        xaConnection = xaDataSource.getXAConnection(userId, password);
        ra = xaDataSource.getResourceAdapter();
        setXAResource(xaConnection.getXAResource());
    } else // this is just a connection reset. Close the logical connection.
    {
        conn.close();
    }
    // Get a new logical connection.
    // Contract between network server and embedded engine
    // is that any connection returned implements EngineConnection.
    conn = (EngineConnection) xaConnection.getConnection();
    // Client will always drive the commits so connection should
    // always be autocommit false on the server. DERBY-898/DERBY-899
    conn.setAutoCommit(false);
    setConnection(conn);
}

Example 3 with EngineConnection

use of org.apache.derby.iapi.jdbc.EngineConnection in project derby by apache.

the class EmbedXAConnection method getRealConnection.

/**
 *		Override getRealConnection to create a a local connection
 *		when we are not associated with an XA transaction.
 *
 *		This can occur if the application has a Connection object (conn)
 *		and the following sequence occurs.
 *
 *		conn = xac.getConnection();
 *		xac.start(xid, ...)
 *
 *		// do work with conn
 *
 *		xac.end(xid, ...);
 *
 *		// do local work with conn
 *		// need to create new connection here.
 */
public EngineConnection getRealConnection() throws SQLException {
    EngineConnection rc = super.getRealConnection();
    if (rc != null)
        return rc;
    openRealConnection();
    // a new Connection, set its state according to the application's Connection handle
    currentConnectionHandle.setState(true);
    return realConnection;
}

Example 4 with EngineConnection

use of org.apache.derby.iapi.jdbc.EngineConnection in project jackrabbit by apache.

the class ConnectionFactoryTest method testUnwrap.

public void testUnwrap() throws Exception {
    DataSource ds = connectionFactory.getDataSource(DRIVER, DERBY_URL, "user", "password");
    Connection wrappedCon = ds.getConnection();
    assertNotNull(wrappedCon);
    Connection con = ConnectionFactory.unwrap(wrappedCon);
    assertTrue(con instanceof EngineConnection);
}