/**
* <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.qpool.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.core.id.CreateInfo;
import org.olat.core.id.Persistable;
import org.olat.modules.qpool.QuestionItemCollection;
/**
*
* Initial date: 22.02.2013<br>
* @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
*
*/
@Entity(name="qcollection2item")
@Table(name="o_qp_collection_2_item")
public class CollectionToItem implements CreateInfo, Persistable {
private static final long serialVersionUID = -666092954369833281L;
@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="id", nullable=false, unique=true, insertable=true, updatable=false)
private Long key;
@Temporal(TemporalType.TIMESTAMP)
@Column(name="creationdate", nullable=false, insertable=true, updatable=false)
private Date creationDate;
@ManyToOne(targetEntity=ItemCollectionImpl.class,fetch=FetchType.LAZY,optional=false)
@JoinColumn(name="fk_collection_id", nullable=false, updatable=false)
private QuestionItemCollection collection;
@ManyToOne(targetEntity=QuestionItemImpl.class,fetch=FetchType.LAZY,optional=false)
@JoinColumn(name="fk_item_id", nullable=false, updatable=false)
private QuestionItemImpl item;
@Override
public Long getKey() {
return key;
}
public void setKey(Long key) {
this.key = key;
}
@Override
public Date getCreationDate() {
return creationDate;
}
public void setCreationDate(Date creationDate) {
this.creationDate = creationDate;
}
public QuestionItemCollection getCollection() {
return collection;
}
public void setCollection(QuestionItemCollection collection) {
this.collection = collection;
}
public QuestionItemImpl getItem() {
return item;
}
public void setItem(QuestionItemImpl item) {
this.item = item;
}
@Override
public int hashCode() {
return key == null ? 19456 : key.hashCode();
}
@Override
public boolean equals(Object obj) {
if(this == obj) {
return true;
}
if(obj instanceof CollectionToItem) {
CollectionToItem q = (CollectionToItem)obj;
return key != null && key.equals(q.key);
}
return false;
}
@Override
public boolean equalsByPersistableKey(Persistable persistable) {
return equals(persistable);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("coll2item[key=").append(this.key)
.append("]").append(super.toString());
return sb.toString();
}
}