/*******************************************************************************
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership.
*
* Licensed 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 hr.fer.zemris.vhdllab.entity;
import hr.fer.zemris.vhdllab.validation.NameFormatConstraint;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;
import org.apache.commons.lang.Validate;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
import org.hibernate.annotations.Cascade;
import org.hibernate.validator.Size;
@Entity
@Table(name = "projects", uniqueConstraints = { @UniqueConstraint(columnNames = {
"user_id", "name" }) })
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class Project extends OwnedEntity {
private static final long serialVersionUID = 7535295608182412183L;
@Size(max = 50)
@Cascade(org.hibernate.annotations.CascadeType.DELETE_ORPHAN)
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
@OneToMany(mappedBy = "project", fetch = FetchType.LAZY, cascade = { CascadeType.ALL })
private Set<File> files;
public Project() {
this(null, null);
}
public Project(String name) {
this(null, name);
}
public Project(String userId, String name) {
super(userId, name);
initFiles();
}
public Project(Project clone) {
super(clone);
initFiles();
}
@NameFormatConstraint
@Override
public String getName() {
return super.getName();
}
public Set<File> getFiles() {
return files;
}
public void setFiles(Set<File> files) {
this.files = files;
}
private void initFiles() {
this.files = new HashSet<File>();
}
public void addFile(File file) {
Validate.notNull(file, "File can't be null");
if (file.getProject() != null) {
if (file.getProject() == this) {
// a file is already in this project
return;
}
throw new IllegalArgumentException(file.toString()
+ " already belongs to some project; this project is "
+ this.toString());
}
/*
* Must set a project to a file before adding it to a collection because
* project is required for hash code calculation (in file).
*
* @see File#hashCode()
*/
file.setProject(this);
getFiles().add(file);
}
public void removeFile(File file) {
Validate.notNull(file, "File can't be null");
if (file.getProject() != this) {
throw new IllegalArgumentException(file.toString()
+ " doesn't belong to this " + this.toString());
}
// referencing though getter because of lazy loading
if (getFiles().remove(file)) {
file.setProject(null);
}
}
@Override
public String toString() {
// referencing though getter because of lazy loading
return new ToStringBuilder(this)
.appendSuper(super.toString())
.append("files", getFiles(), false)
.toString();
}
}