/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.core.domain.content;
import java.io.Serializable;
import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.PrePersist;
import javax.persistence.Table;
/**
* This is the many-to-many entity that correlates a repo with one of the package versions it contains. It is an
* explicit relationship mapping entity between {@link Repo} and {@link PackageVersion}.
*
* @author John Mazzitelli
*/
@Entity
@IdClass(RepoPackageVersionPK.class)
@NamedQueries( {
@NamedQuery(name = RepoPackageVersion.DELETE_BY_REPO_ID,
query = "DELETE RepoPackageVersion cpv WHERE cpv.repo.id = :repoId"),
//TODO this looks suspicious. How can this ever delete a package version
//if there are ANY content sources providing ANY packages? I miss a WHERE in this query.
// Deletes the repo <-> package mapping when the package has no providers for this package
@NamedQuery(name = RepoPackageVersion.DELETE_WHEN_NO_PROVIDER, query = "DELETE RepoPackageVersion rpv "
+ "WHERE rpv.repo.id = :repoId " //
+ " AND (SELECT COUNT(pvcs.packageVersion.id) "
+ " FROM PackageVersionContentSource pvcs) = 0"
),
@NamedQuery(name = RepoPackageVersion.DELETE_MULTIPLE_WHEN_NO_PROVIDER, query = "DELETE RepoPackageVersion rpv"
+ " WHERE rpv.repo.id = :repoId"
+ " AND rpv.packageVersion.id IN ( :packageVersionIds )"
+ " AND (SELECT COUNT(pvcs.packageVersion.id) "
+ " FROM PackageVersionContentSource pvcs"
+ " WHERE pvcs.packageVersion.id = rpv.packageVersion.id) = 0"
)
})
@Table(name = "RHQ_REPO_PKG_VERSION_MAP")
public class RepoPackageVersion implements Serializable {
public static final String DELETE_BY_REPO_ID = "RepoPackageVersion.deleteByRepoId";
public static final String DELETE_WHEN_NO_PROVIDER = "RepoPackageVersion.deleteWhenNoProvider";
public static final String DELETE_MULTIPLE_WHEN_NO_PROVIDER = "RepoPackageVersion.deleteMultipleWhenNoProvider";
private static final long serialVersionUID = 1L;
/*
* http://opensource.atlassian.com/projects/hibernate/browse/EJB-286 Hibernate seems to want these mappings in the
* @IdClass and ignore these here, even though the mappings should be here and no mappings should be needed in the
* @IdClass.
*/
@Id
// @ManyToOne
// @JoinColumn(name = "REPO_ID", referencedColumnName = "ID", nullable = false, insertable = false, updatable = false)
private Repo repo;
@Id
// @ManyToOne
// @JoinColumn(name = "PACKAGE_VERSION_ID", referencedColumnName = "ID", nullable = false, insertable = false, updatable = false)
private PackageVersion packageVersion;
@Column(name = "CTIME", nullable = false)
private long createdTime;
protected RepoPackageVersion() {
}
public RepoPackageVersion(Repo repo, PackageVersion packageVersion) {
this.repo = repo;
this.packageVersion = packageVersion;
}
public RepoPackageVersionPK getRepoPackageVersionPK() {
return new RepoPackageVersionPK(repo, packageVersion);
}
public void setRepoPackageVersionPK(RepoPackageVersionPK pk) {
this.repo = pk.getRepo();
this.packageVersion = pk.getPackageVersion();
}
/**
* This is the epoch time when this mapping was first created; in other words, when the repo was first associated
* with the package version.
*/
public long getCreatedTime() {
return createdTime;
}
@PrePersist
void onPersist() {
this.createdTime = System.currentTimeMillis();
}
@Override
public String toString() {
StringBuilder str = new StringBuilder("RepoPV: ");
str.append("ctime=[").append(new Date(this.createdTime)).append("]");
str.append(", ch=[").append(this.repo).append("]");
str.append(", pv=[").append(this.packageVersion).append("]");
return str.toString();
}
@Override
public int hashCode() {
int result = 1;
result = (31 * result) + ((repo == null) ? 0 : repo.hashCode());
result = (31 * result) + ((packageVersion == null) ? 0 : packageVersion.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if ((obj == null) || (!(obj instanceof RepoPackageVersion))) {
return false;
}
final RepoPackageVersion other = (RepoPackageVersion) obj;
if (repo == null) {
if (other.repo != null) {
return false;
}
} else if (!repo.equals(other.repo)) {
return false;
}
if (packageVersion == null) {
if (other.packageVersion != null) {
return false;
}
} else if (!packageVersion.equals(other.packageVersion)) {
return false;
}
return true;
}
}