import org.hibernate.annotations.NaturalIdCache;
import org.jasig.portal.events.aggr.AggregationInterval;
import org.jasig.portal.events.aggr.BaseAggregationImpl;
import org.jasig.portal.events.aggr.DateDimension;
<BUG>import org.jasig.portal.events.aggr.TimeDimension;
import org.jasig.portal.events.aggr.groups.AggregatedGroupMapping;</BUG>
@Entity
@Table(name = "UP_CONCURRENT_USER_AGGR")
@Inheritance(strategy=InheritanceType.JOINED)
@SequenceGenerator(

import org.hibernate.annotations.NaturalIdCache;
import org.jasig.portal.events.aggr.AggregationInterval;
import org.jasig.portal.events.aggr.BaseAggregationImpl;
import org.jasig.portal.events.aggr.DateDimension;
import org.jasig.portal.events.aggr.TimeDimension;
import org.jasig.portal.events.aggr.UniqueStrings;
import org.jasig.portal.events.aggr.groups.AggregatedGroupMapping;
@Entity
@Table(name = "UP_CONCURRENT_USER_AGGR")
@Inheritance(strategy=InheritanceType.JOINED)
@SequenceGenerator(
