/*
* RHQ Management Platform
* Copyright (C) 2005-2011 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.drift;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
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.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.PrePersist;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
/**
* The JPA Drift Server plugin (the RHQ default) implementation of Drift.
*
* @author Jay Shaughnessy
* @author John Sanda
*/
@Entity
@NamedQueries( { @NamedQuery(name = JPADrift.QUERY_DELETE_BY_RESOURCES, query = "" //
+ "DELETE FROM JPADrift d " //
+ " WHERE d.changeSet IN ( SELECT dcs FROM JPADriftChangeSet dcs WHERE dcs.resource.id IN ( :resourceIds ) ) "), //
@NamedQuery(name = JPADrift.QUERY_DELETE_BY_DRIFTDEF_RESOURCE, query = "" //
+ "DELETE FROM JPADrift d " //
+ " WHERE d.changeSet.id IN " //
+ " (SELECT dcs.id " //
+ " FROM JPADriftChangeSet dcs " //
+ " WHERE dcs.driftDefinition.name = :driftDefinitionName AND dcs.resource.id = :resourceId)") })
@Table(name = "RHQ_DRIFT")
@SequenceGenerator(allocationSize = org.rhq.core.domain.util.Constants.ALLOCATION_SIZE, name = "RHQ_DRIFT_ID_SEQ", sequenceName = "RHQ_DRIFT_ID_SEQ")
public class JPADrift implements Serializable, Drift<JPADriftChangeSet, JPADriftFile> {
private static final long serialVersionUID = 1L;
public static final String QUERY_DELETE_BY_RESOURCES = "JPADrift.deleteByResources";
public static final String QUERY_DELETE_BY_DRIFTDEF_RESOURCE = "JPADrift.deleteByDriftDefResource";
@Column(name = "ID", nullable = false)
@GeneratedValue(strategy = GenerationType.AUTO, generator = "RHQ_DRIFT_ID_SEQ")
@Id
private int id;
@Column(name = "CTIME", nullable = false)
private Long ctime = -1L;
@Column(name = "CATEGORY", nullable = false)
@Enumerated(EnumType.STRING)
private DriftCategory category;
@Column(name = "PATH", nullable = false)
private String path;
@Column(name = "PATH_DIRECTORY", nullable = false)
private String directory;
@JoinColumn(name = "DRIFT_CHANGE_SET_ID", referencedColumnName = "ID", nullable = false)
@ManyToOne(fetch = FetchType.LAZY, optional = false)
private JPADriftChangeSet changeSet;
@JoinColumn(name = "OLD_DRIFT_FILE", referencedColumnName = "HASH_ID", nullable = true)
@ManyToOne(fetch = FetchType.EAGER, optional = true)
private JPADriftFile oldDriftFile;
@JoinColumn(name = "NEW_DRIFT_FILE", referencedColumnName = "HASH_ID", nullable = true)
@ManyToOne(fetch = FetchType.EAGER, optional = true)
private JPADriftFile newDriftFile;
protected JPADrift() {
}
/**
* @param changeSet
* @param path
* @param category
* @param oldDriftFile required for FILE_CHANGED and FILE_REMOVED, null for FILE_ADDED
* @param newDriftFile required for FILE_CHANGED and FILE_ADDED, null for FILE_REMOVED
*/
public JPADrift(JPADriftChangeSet changeSet, String path, DriftCategory category, JPADriftFile oldDriftFile,
JPADriftFile newDriftFile) {
this.changeSet = changeSet;
this.path = path;
int i = path.lastIndexOf("/");
this.directory = (i != -1) ? path.substring(0, i) : "./";
this.category = category;
this.oldDriftFile = oldDriftFile;
this.newDriftFile = newDriftFile;
}
@Override
public String getId() {
return Integer.toString(id);
}
@Override
public void setId(String id) {
this.id = Integer.parseInt(id);
}
@Override
public Long getCtime() {
return ctime;
}
@PrePersist
void onPersist() {
this.ctime = System.currentTimeMillis();
}
@Override
public JPADriftChangeSet getChangeSet() {
return changeSet;
}
@Override
public void setChangeSet(JPADriftChangeSet changeSet) {
this.changeSet = changeSet;
}
@Override
public DriftCategory getCategory() {
return category;
}
@Override
public void setCategory(DriftCategory category) {
this.category = category;
}
@Override
public String getPath() {
return path;
}
@Override
public void setPath(String path) {
this.path = path;
}
@Override
public String getDirectory() {
return directory;
}
@Override
public void setDirectory(String directory) {
this.directory = directory;
}
@Override
public JPADriftFile getOldDriftFile() {
return oldDriftFile;
}
@Override
public void setOldDriftFile(JPADriftFile oldDriftFile) {
this.oldDriftFile = oldDriftFile;
}
@Override
public JPADriftFile getNewDriftFile() {
return newDriftFile;
}
@Override
public void setNewDriftFile(JPADriftFile newDriftFile) {
this.newDriftFile = newDriftFile;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder("JPADrift [");
sb.append("id=" + id).append(", category=" + category).append(", path=" + path);
try {
sb.append(", changeSet=" + changeSet);
} catch (Exception e) {
// not attached
}
sb.append("]");
return sb.toString();
}
}