package ch.inftec.ju.testing.db;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ch.inftec.ju.db.JuEmfUtil;
import ch.inftec.ju.util.JuUtils;
import ch.inftec.ju.util.PropertyChain;
/**
* Helper class to create EmfWork instance based on property files or
* system properties.
* <p>
* Make sure to call the EmfWork.close method when the resource is no longer needed.
* @author Martin
*
*/
public final class EmfUtilProvider {
private Logger logger = LoggerFactory.getLogger(EmfUtilProvider.class);
/**
* Creates a JuEmfUtil instance for the specified persistence unit and profile.
* @param persistenceUnitName PersistenceUnitName
* @param profile Profile name. If null, the value of the property <code>ju-dbutil-test.profile</code> will be used
* @return JuEmfUtil instance
*/
public JuEmfUtil createEmfUtil(String persistenceUnitName, String profile) {
logger.debug("Creating JuEmfUtil for PU {} and profile {}", persistenceUnitName, profile);
PropertyChain pc = JuUtils.getJuPropertyChain();
String profileName = profile != null ? profile : pc.get("ju-dbutil-test.profile", true);
String prefix = "ju-dbutil-test." + profileName;
String connectionUrl = pc.get(prefix + ".connectionUrl", false);
String user = pc.get(prefix + ".user", false);
String password = pc.get(prefix + ".password", false);
JuEmfUtil emfUtil = JuEmfUtil.create()
.persistenceUnitName(persistenceUnitName)
.connectionUrl(connectionUrl)
.user(user)
.password(password)
.build();
return emfUtil;
}
}