/** * <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; } }