import javax.persistence.Persistence;
import javax.persistence.PersistenceException;
import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
import javax.persistence.Persistence;
import javax.persistence.PersistenceException;
import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;