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package com.sun.gjc.spi;
import com.sun.logging.LogDomains;
import javax.resource.ResourceException;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* ManagedConnectionMetaData
implementation for Generic JDBC Connector.
*
* @author Evani Sai Surya Kiran
* @version 1.0, 02/08/03
*/
public class ManagedConnectionMetaDataImpl implements javax.resource.spi.ManagedConnectionMetaData {
private java.sql.DatabaseMetaData dmd = null;
private ManagedConnectionImpl mc;
private static Logger _logger;
static {
_logger = LogDomains.getLogger(ManagedConnectionMetaDataImpl.class, LogDomains.RSR_LOGGER);
}
private boolean debug = false;
/**
* Constructor for ManagedConnectionMetaDataImpl
*
* @param mc ManagedConnection
* @throws ResourceException
if getting the DatabaseMetaData object fails
*/
public ManagedConnectionMetaDataImpl(ManagedConnectionImpl mc) throws ResourceException {
try {
this.mc = mc;
dmd = mc.getActualConnection().getMetaData();
} catch (SQLException sqle) {
_logger.log(Level.SEVERE, "jdbc.exc_md", sqle);
throw new ResourceException(sqle.getMessage());
}
}
/**
* Returns product name of the underlying EIS instance connected
* through the ManagedConnection.
*
* @return Product name of the EIS instance
* @throws ResourceException
*/
public String getEISProductName() throws ResourceException {
try {
return dmd.getDatabaseProductName();
} catch (SQLException sqle) {
_logger.log(Level.SEVERE, "jdbc.exc_eis_prodname", sqle);
throw new ResourceException(sqle.getMessage());
}
}
/**
* Returns product version of the underlying EIS instance connected
* through the ManagedConnection.
*
* @return Product version of the EIS instance
* @throws ResourceException
*/
public String getEISProductVersion() throws ResourceException {
try {
return dmd.getDatabaseProductVersion();
} catch (SQLException sqle) {
_logger.log(Level.SEVERE, "jdbc.exc_eis_prodvers", sqle);
throw new ResourceException(sqle.getMessage(), sqle.getMessage());
}
}
/**
* Returns maximum limit on number of active concurrent connections
* that an EIS instance can support across client processes.
*
* @return Maximum limit for number of active concurrent connections
* @throws ResourceException
*/
public int getMaxConnections() throws ResourceException {
try {
return dmd.getMaxConnections();
} catch (SQLException sqle) {
_logger.log(Level.SEVERE, "jdbc.exc_eis_maxconn");
throw new ResourceException(sqle.getMessage());
}
}
/**
* Returns name of the user associated with the ManagedConnection instance. The name
* corresponds to the resource principal under whose whose security context, a connection
* to the EIS instance has been established.
*
* @return name of the user
* @throws ResourceException
*/
public String getUserName() throws ResourceException {
javax.resource.spi.security.PasswordCredential pc = mc.getPasswordCredential();
if (pc != null) {
return pc.getUserName();
}
return mc.getManagedConnectionFactory().getUser();
}
}