/**
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at the
* <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Initial code contributed and copyrighted by<br>
* frentix GmbH, http://www.frentix.com
* <p>
*/
package org.olat.modules.fo.model;
import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import org.hibernate.annotations.GenericGenerator;
import org.hibernate.annotations.Parameter;
import org.olat.basesecurity.IdentityImpl;
import org.olat.core.id.CreateInfo;
import org.olat.core.id.Identity;
import org.olat.core.id.Persistable;
import org.olat.modules.fo.MessageLight;
import org.olat.modules.fo.MessageRef;
/**
*
* A mapping which reduce the number of join and associated sub-queries.
*
* Initial date: 12.11.2015<br>
* @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
*
*/
@Entity(name="folightmessage")
@Table(name="o_message")
public class MessageLightImpl implements MessageLight, CreateInfo, Persistable, Comparable<MessageLight> {
private static final long serialVersionUID = -7701717903560643010L;
@Id
@GeneratedValue(generator = "system-uuid")
@GenericGenerator(name = "system-uuid", strategy = "enhanced-sequence", parameters={
@Parameter(name="sequence_name", value="hibernate_unique_key"),
@Parameter(name="force_table_use", value="true"),
@Parameter(name="optimizer", value="legacy-hilo"),
@Parameter(name="value_column", value="next_hi"),
@Parameter(name="increment_size", value="32767"),
@Parameter(name="initial_value", value="32767")
})
@Column(name="message_id", nullable=false, unique=true, insertable=true, updatable=false)
private Long key;
@Temporal(TemporalType.TIMESTAMP)
@Column(name="creationdate", nullable=false, insertable=false, updatable=false)
private Date creationDate;
@Temporal(TemporalType.TIMESTAMP)
@Column(name="lastmodified", nullable=false, insertable=false, updatable=false)
private Date lastModified;
@Column(name="statuscode", nullable=false, insertable=false, updatable=false)
private int statusCode;
@Column(name="title", nullable=false, insertable=false, updatable=false)
private String title;
@Column(name="body", nullable=false, insertable=false, updatable=false)
private String body;
@Column(name="parent_id", nullable=true, insertable=false, updatable=false)
private Long parentKey;
@ManyToOne(targetEntity=MessageRefImpl.class,fetch=FetchType.LAZY,optional=true)
@JoinColumn(name="topthread_id", nullable=true, insertable=false, updatable=false)
private MessageRef threadtop;
@Column(name="forum_fk", nullable=false, insertable=false, updatable=false)
private Long forumKey;
@Column(name="pseudonym", nullable=true, insertable=false, updatable=false)
private String pseudonym;
@Column(name="guest", nullable=true, insertable=false, updatable=false)
private boolean guest;
@ManyToOne(targetEntity=IdentityImpl.class,fetch=FetchType.LAZY,optional=true)
@JoinColumn(name="creator_id", nullable=true, insertable=true, updatable=false)
private Identity creator;
@ManyToOne(targetEntity=IdentityImpl.class,fetch=FetchType.LAZY,optional=true)
@JoinColumn(name="modifier_id", nullable=true, insertable=true, updatable=true)
private Identity modifier;
@Override
public Long getKey() {
return key;
}
@Override
public Date getCreationDate() {
return creationDate;
}
public int getStatusCode() {
return statusCode;
}
public String getTitle() {
return title;
}
public String getBody() {
return body;
}
public Identity getCreator() {
return creator;
}
public String getPseudonym() {
return pseudonym;
}
public boolean isGuest() {
return guest;
}
public Long getForumKey() {
return forumKey;
}
public Identity getModifier() {
return modifier;
}
public Long getParentKey() {
return parentKey;
}
public MessageRef getThreadtop() {
return threadtop;
}
public Date getLastModified() {
return lastModified;
}
@Override
public int hashCode() {
return key == null ? 835245 : key.hashCode();
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof MessageImpl) {
MessageImpl other = (MessageImpl) obj;
return getKey().equals(other.getKey());
}
return false;
}
@Override
public boolean equalsByPersistableKey(Persistable persistable) {
return equals(persistable);
}
@Override
public int compareTo(MessageLight arg0) {
if (arg0.getParentKey() == null) {
return 1;
}
if (getCreationDate().after(arg0.getCreationDate())) {
return 1;
}
return 0;
}
}