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package oracle.toplink.essentials.platform.server;
import oracle.toplink.essentials.internal.sessions.DatabaseSessionImpl;
import oracle.toplink.essentials.internal.databaseaccess.Platform;
import oracle.toplink.essentials.logging.DefaultSessionLog;
/**
*
* PUBLIC:
*
* This platform is used when TopLink is not within any server (Oc4j, WebLogic, ...)
* This is also the default platform for all newly created DatabaseSessions.
*
* This platform has:
*
* - No external transaction controller class
* - No runtime services (JMX/MBean)
* - No launching of container Threads
*
*/
public final class NoServerPlatform extends ServerPlatformBase {
/**
* INTERNAL:
* Default Constructor: Initialize so that runtime services and JTA are disabled.
*/
public NoServerPlatform(DatabaseSessionImpl newDatabaseSession) {
super(newDatabaseSession);
this.disableRuntimeServices();
;
this.disableJTA();
}
/**
* PUBLIC: getServerNameAndVersion(): Answer null because this does not apply to NoServerPlatform.
*
* @return String serverNameAndVersion
*/
public String getServerNameAndVersion() {
return null;
}
/**
* INTERNAL: getExternalTransactionControllerClass(): Answer null because this does not apply.
*
* @see #isJTAEnabled()
* @see #disableJTA()
* @see #initializeExternalTransactionController()
*/
public Class getExternalTransactionControllerClass() {
return null;
}
/**
* INTERNAL: launchContainerThread(Thread thread): Do nothing because container Threads are not launchable
* in this platform
*
* @param Thread thread : the instance of Thread
* @return void
*/
public void launchContainerThread(Thread thread) {
}
/**
* INTERNAL: getServerLog(): Return the ServerLog for this platform
*
* Return the default ServerLog in the base
*
* @return oracle.toplink.essentials.logging.SessionLog
*/
public oracle.toplink.essentials.logging.SessionLog getServerLog() {
return new DefaultSessionLog();
}
/**
* INTERNAL:
* When there is no server, the original connection will be returned
*/
public java.sql.Connection unwrapOracleConnection(Platform platform, java.sql.Connection connection){
return connection;
}
}