/*
* Copyright 2009 Udai Gupta, Ralf Joachim
*
* 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 org.castor.cpa.test.test18;
import java.io.Serializable;
import java.util.Date;
import java.util.Enumeration;
import java.util.Vector;
import org.exolab.castor.jdo.Database;
import org.exolab.castor.jdo.Query;
import org.exolab.castor.jdo.QueryResults;
import org.exolab.castor.jdo.Persistent;
import org.exolab.castor.jdo.TimeStampable;
import org.exolab.castor.mapping.AccessMode;
import org.junit.Ignore;
@Ignore
public final class PersistentObject implements Persistent, TimeStampable, Serializable {
/** SerialVersionUID */
private static final long serialVersionUID = -2190482779395735049L;
public static final int DEFAULT_ID = 7;
public static final String DEFAULT_VALUE = "persistent";
private int _id;
private String _value;
private Date _creationTime;
private Date _modificationTime;
private Integer _parentId;
private PersistentObject _parent;
private Vector<PersistentObject> _children;
private Vector<PersistentObject> _origChildren;
private PersistentGroup _group;
private PersistentRelated _related;
private PersistentRelated _origRelated;
private long _timeStamp;
private transient Database _db;
public PersistentObject() {
this(DEFAULT_ID);
}
public PersistentObject(final int id) {
_id = id;
_value = DEFAULT_VALUE;
_children = new Vector<PersistentObject>();
}
public void setId(final int id) { _id = id; }
public int getId() { return _id; }
public void setCreationTime(final Date creationTime) {
_creationTime = creationTime;
}
public Date getCreationTime() { return _creationTime; }
public void setModificationTime(final Date modificationTime) {
_modificationTime = modificationTime;
}
public Date getModificationTime() { return _modificationTime; }
public void setValue1(final String value) { _value = value; }
public String getValue1() { return _value; }
public void setParentId(final Integer parentId) { _parentId = parentId; }
public Integer getParentId() { return _parentId; }
public void setParent(final PersistentObject parent) {
_parent = parent;
_parentId = (_parent == null ? null : new Integer(_parent._id));
}
public PersistentObject getParent() { return _parent; }
public void addChild(final PersistentObject child) {
_children.addElement(child);
child.setParent(this);
child.setGroup(_group);
}
public Vector<PersistentObject> getChildren() { return _children; }
public PersistentObject findChild(final int id) {
Enumeration<PersistentObject> enumeration = _children.elements();
PersistentObject child;
while (enumeration.hasMoreElements()) {
child = enumeration.nextElement();
if (child.getId() == id) {
return child;
}
}
return null;
}
public void setGroup(final PersistentGroup group) {
if (_group != group) {
_group = group;
Enumeration<PersistentObject> enumeration = _children.elements();
PersistentObject child;
while (enumeration.hasMoreElements()) {
child = enumeration.nextElement();
child.setGroup(_group);
}
}
}
public PersistentGroup getGroup() { return _group; }
public void setRelated(final PersistentRelated related) {
_related = related;
if (related != null) {
related.setPersistent(this);
}
}
public PersistentRelated getRelated() { return _related; }
public void jdoPersistent(final Database db) { _db = db; }
public void jdoTransient() { _db = null; }
public Class<?> jdoLoad(final AccessMode accessMode) throws Exception {
if (_parentId != null) {
_parent = _db.load(PersistentObject.class, _parentId, accessMode);
}
Query qry = _db.getOQLQuery("SELECT p FROM "
+ PersistentObject.class.getName() + " p WHERE parentId=$1");
qry.bind(_id);
QueryResults res = qry.execute();
while (res.hasMore()) {
_children.addElement((PersistentObject) res.next());
}
_origChildren = new Vector<PersistentObject>(_children);
_origRelated = _related;
return null;
}
public void jdoModify() throws Exception {
}
public void jdoStore(final boolean modified) throws Exception {
Enumeration<PersistentObject> enumeration;
PersistentObject child;
if (modified) {
_modificationTime = new Date();
}
enumeration = _children.elements();
while (enumeration.hasMoreElements()) {
child = enumeration.nextElement();
if (!containsChild(_origChildren, child)) {
_db.create(child);
}
}
enumeration = _origChildren.elements();
while (enumeration.hasMoreElements()) {
child = enumeration.nextElement();
if (!containsChild(_children, child)) {
_db.remove(child);
}
}
if ((_origRelated == null) && (_related != null)) {
_db.create(_related);
}
if ((_origRelated != null) && (_related == null)) {
_db.remove(_origRelated);
}
_origRelated = _related;
}
public void jdoUpdate() throws Exception {
Enumeration<PersistentObject> enumeration = _origChildren.elements();
while (enumeration.hasMoreElements()) {
_db.update(enumeration.nextElement());
}
if (_origRelated != null) {
_db.update(_origRelated);
}
}
public static boolean containsChild(final Vector<PersistentObject> vector,
final PersistentObject child) {
Enumeration<PersistentObject> enumeration = vector.elements();
PersistentObject ch;
while (enumeration.hasMoreElements()) {
ch = enumeration.nextElement();
if (ch.getId() == child.getId()) {
return true;
}
}
return false;
}
public void jdoBeforeCreate(final Database db) throws Exception {
if (_group == null) {
throw new Exception(
"Incorrect object state: group is not set in " + this);
}
Object grp = null;
try {
grp = db.load(PersistentGroup.class, new Integer(_group.getId()));
} catch (Exception ex) {
}
if (grp == null) {
db.create(_group);
}
_creationTime = new Date();
}
public void jdoAfterCreate() throws Exception {
Enumeration<PersistentObject> enumeration = _children.elements();
while (enumeration.hasMoreElements()) {
_db.create(enumeration.nextElement());
}
_origChildren = new Vector<PersistentObject>(_children);
if (_related != null) {
_db.create(_related);
}
_origRelated = _related;
}
public void jdoBeforeRemove() throws Exception {
Enumeration<PersistentObject> enumeration = _children.elements();
while (enumeration.hasMoreElements()) {
_db.remove(enumeration.nextElement());
}
if (_related != null) {
_db.remove(_related);
}
}
public void jdoAfterRemove() throws Exception { }
public long jdoGetTimeStamp() {
return _timeStamp;
}
public void jdoSetTimeStamp(final long timeStamp) {
_timeStamp = timeStamp;
}
public String toString() {
String children = "";
for (int i = 0; i < _children.size(); i++) {
if (i > 0) {
children += ", ";
}
children += _children.elementAt(i).toString();
}
Integer group = (_group != null ? new Integer(_group.getId()) : null);
return _id + " / " + _value + " / " + _modificationTime
+ " (" + _parentId + ":" + group + ") { " + children + " }";
}
}