CategoryToElementImpl.java

/**
 * <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.portfolio.model;

import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
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 javax.persistence.Transient;

import org.olat.core.id.CreateInfo;
import org.olat.core.id.OLATResourceable;
import org.olat.core.id.Persistable;
import org.olat.core.util.resource.OresHelper;
import org.olat.modules.portfolio.Category;
import org.olat.modules.portfolio.CategoryToElement;

/**
 * 
 * The between table.
 * 
 * Initial date: 13.06.2016<br>
 * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
 *
 */
@Entity(name="pfcategoryrelation")
@Table(name="o_pf_category_relation")
public class CategoryToElementImpl implements CategoryToElement, Persistable, CreateInfo {

	private static final long serialVersionUID = -5196328449832113662L;

	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	@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;

	@Column(name="p_resname", nullable=false, insertable=true, updatable=false)
	private String resName;
	@Column(name="p_resid", nullable=false, insertable=true, updatable=false)
	private Long resId;
	
	@ManyToOne(targetEntity=CategoryImpl.class,fetch=FetchType.LAZY,optional=false)
	@JoinColumn(name="fk_category_id", nullable=false, insertable=true, updatable=false)
	private Category category;
	
	
	@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 String getResName() {
		return resName;
	}

	public void setResName(String resName) {
		this.resName = resName;
	}

	public Long getResId() {
		return resId;
	}

	public void setResId(Long resId) {
		this.resId = resId;
	}

	@Override
	public Category getCategory() {
		return category;
	}

	public void setCategory(Category category) {
		this.category = category;
	}
	
	@Override
	@Transient
	public OLATResourceable getCategorizedResource() {
		return OresHelper.createOLATResourceableInstance(resName, resId);
	}

	@Override
	public int hashCode() {
		return key == null ? -823677856 : key.hashCode();
	}

	@Override
	public boolean equals(Object obj) {
		if(this == obj) {
			return true;
		}
		if(obj instanceof CategoryToElementImpl) {
			CategoryToElementImpl catToEl = (CategoryToElementImpl)obj;
			return key != null && key.equals(catToEl.getKey());
		}
		return false;
	}

	@Override
	public boolean equalsByPersistableKey(Persistable persistable) {
		return equals(persistable);
	}
	
	

}