/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the License at the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apereo.portal.events.aggr.session;
import java.io.Serializable;
import java.util.Collections;
import java.util.Set;
import javax.persistence.Cacheable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Inheritance;
import javax.persistence.InheritanceType;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.Transient;
import org.apache.commons.lang.Validate;
import org.apereo.portal.events.aggr.groups.AggregatedGroupMapping;
import org.apereo.portal.events.aggr.groups.AggregatedGroupMappingImpl;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;
import org.hibernate.annotations.Index;
import org.hibernate.annotations.NaturalId;
import org.hibernate.annotations.NaturalIdCache;
import org.hibernate.annotations.Type;
import org.joda.time.DateTime;
/**
*/
@Entity
@Table(name = "UP_EVENT_SESSION")
@Inheritance(strategy = InheritanceType.JOINED)
@SequenceGenerator(
name = "UP_EVENT_SESSION_GEN",
sequenceName = "UP_EVENT_SESSION_SEQ",
allocationSize = 100
)
@TableGenerator(
name = "UP_EVENT_SESSION_GEN",
pkColumnValue = "UP_EVENT_SESSION_PROP",
allocationSize = 100
)
@org.hibernate.annotations.Table(
appliesTo = "UP_EVENT_SESSION",
indexes =
@Index(
name = "IDX_UP_EVENT_SESSION_DATE",
columnNames = {"LAST_ACCESSED"}
)
)
@NaturalIdCache(region = "org.apereo.portal.events.aggr.session.EventSessionImpl-NaturalId")
@Cacheable
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class EventSessionImpl implements EventSession, Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(generator = "UP_EVENT_SESSION_GEN")
@Column(name = "ID")
private final long id;
@NaturalId
@Column(name = "SESSION_ID", length = 500, nullable = false, updatable = false)
private final String eventSessionId;
@ManyToMany(targetEntity = AggregatedGroupMappingImpl.class, fetch = FetchType.EAGER)
@JoinTable(
name = "UP_EVENT_SESSION_GROUPS",
inverseJoinColumns = @JoinColumn(name = "GROUP_ID")
)
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
@Fetch(FetchMode.JOIN)
private final Set<AggregatedGroupMapping> groupMappings;
@Column(name = "LAST_ACCESSED", nullable = false)
@Type(type = "dateTime")
private DateTime lastAccessed;
@Transient private Set<AggregatedGroupMapping> unmodifiableGroupMappings;
@SuppressWarnings("unused")
private EventSessionImpl() {
this.id = -1;
this.eventSessionId = null;
this.groupMappings = null;
}
EventSessionImpl(
String eventSessionId, DateTime eventDate, Set<AggregatedGroupMapping> groupMappings) {
Validate.notNull(eventSessionId);
Validate.notNull(groupMappings);
this.id = -1;
this.eventSessionId = eventSessionId;
this.groupMappings = groupMappings;
this.lastAccessed = eventDate;
}
@Override
public void recordAccess(DateTime eventDate) {
this.lastAccessed = eventDate;
}
@Override
public String getEventSessionId() {
return this.eventSessionId;
}
@Override
public Set<AggregatedGroupMapping> getGroupMappings() {
Set<AggregatedGroupMapping> ugm = this.unmodifiableGroupMappings;
if (ugm == null) {
ugm = Collections.unmodifiableSet(this.groupMappings);
this.unmodifiableGroupMappings = ugm;
}
return ugm;
}
public void addGroupMappings(Set<AggregatedGroupMapping> groupMappings) {
this.groupMappings.addAll(groupMappings);
this.unmodifiableGroupMappings = null;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((eventSessionId == null) ? 0 : eventSessionId.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
EventSessionImpl other = (EventSessionImpl) obj;
if (eventSessionId == null) {
if (other.eventSessionId != null) return false;
} else if (!eventSessionId.equals(other.eventSessionId)) return false;
return true;
}
@Override
public String toString() {
return "EventSessionImpl [id="
+ this.id
+ ", eventSessionId="
+ this.eventSessionId
+ ", lastAccessed="
+ this.lastAccessed
+ "]";
}
}