package er.extensions.partials;
import java.util.Collection;
import com.webobjects.eocontrol.EOEditingContext;
import com.webobjects.foundation.NSArray;
import com.webobjects.foundation.NSDictionary;
import com.webobjects.foundation.NSMutableDictionary;
import com.webobjects.foundation.NSValidation;
import com.webobjects.foundation._NSUtilities;
import er.extensions.eof.ERXEntityClassDescription;
import er.extensions.eof.ERXGenericRecord;
/**
* <p>
* For overview information on partials, read the {@code package.html} in
* {@code er.extensions.partials}.
* </p>
*
* <p>
* {@code ERXPartialGenericRecord} is the base class of any entity that allows
* itself to be extended with partials.
* </p>
*
* @author mschrag
*/
public class ERXPartialGenericRecord extends ERXGenericRecord {
/**
* Do I need to update serialVersionUID?
* See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the
* <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
*/
private static final long serialVersionUID = 1L;
private NSDictionary<Class, ERXPartial> _partials;
@SuppressWarnings("unchecked")
public NSDictionary<Class, ERXPartial> _partialsDictionary() {
if (_partials == null) {
ERXEntityClassDescription cd = (ERXEntityClassDescription) classDescription();
NSArray<Class<ERXPartial>> partialEntityClasses = cd.partialClasses();
if (partialEntityClasses == null || partialEntityClasses.count() == 0) {
_partials = NSMutableDictionary.EmptyDictionary;
}
else {
NSMutableDictionary<Class, ERXPartial> partials = new NSMutableDictionary<Class, ERXPartial>();
for (Class<ERXPartial> partialEntityClass : partialEntityClasses) {
try {
ERXPartial partial = partialEntityClass.newInstance();
partial.setPrimaryEO(this);
partials.setObjectForKey(partial, partialEntityClass);
}
catch (Exception e) {
throw new RuntimeException("Failed to create the partial '" + partialEntityClass.getSimpleName() + "' for the EO '" + this + "'.", e);
}
}
_partials = partials;
}
}
return _partials;
}
public Collection<ERXPartial> _partials() {
return _partialsDictionary().values();
}
/**
* Returns the ERXPartial partial implementation for the given partial type.
*
* @param <U>
* the partial type
* @param partialClass
* the partial type
* @return an instance of the given partial associated with this EO
*/
@SuppressWarnings("unchecked")
public <U extends ERXPartial> U partialForClass(Class<U> partialClass) {
U partial = (U) _partialsDictionary().objectForKey(partialClass);
if (partial == null) {
throw new IllegalArgumentException("There is no partial '" + partialClass.getSimpleName() + "' for the EO '" + this + "'.");
}
return partial;
}
@SuppressWarnings("unchecked")
@Override
public Object valueForKey(String key) {
if (key != null && key.charAt(0) == '@') {
return partialForClass(_NSUtilities.classWithName(key.substring(1)));
}
return super.valueForKey(key);
}
@Override
public void delete() {
for (ERXPartial partial : _partials()) {
partial.delete();
}
super.delete();
}
@Override
public void mightDelete() {
super.mightDelete();
for (ERXPartial partial : _partials()) {
partial.mightDelete();
}
}
@Override
public void willDelete() throws NSValidation.ValidationException {
super.willDelete();
for (ERXPartial partial : _partials()) {
partial.willDelete();
}
}
@Override
public void willInsert() {
super.willInsert();
for (ERXPartial partial : _partials()) {
partial.willInsert();
}
}
@Override
public void willUpdate() {
super.willUpdate();
for (ERXPartial partial : _partials()) {
partial.willUpdate();
}
}
@Override
public void didDelete(EOEditingContext ec) {
super.didDelete(ec);
for (ERXPartial partial : _partials()) {
partial.didDelete(ec);
}
}
@Override
public void didUpdate() {
super.didUpdate();
for (ERXPartial partial : _partials()) {
partial.didUpdate();
}
}
@Override
public void didInsert() {
super.didInsert();
for (ERXPartial partial : _partials()) {
partial.didInsert();
}
}
@Override
public void willRevert() {
super.willRevert();
for (ERXPartial partial : _partials()) {
partial.willRevert();
}
}
@Override
public void didRevert(EOEditingContext ec) {
super.didRevert(ec);
for (ERXPartial partial : _partials()) {
partial.didRevert(ec);
}
}
@Override
public void awakeFromInsertion(EOEditingContext editingContext) {
super.awakeFromInsertion(editingContext);
for (ERXPartial partial : _partials()) {
partial.awakeFromInsertion(editingContext);
}
}
@Override
protected void init(EOEditingContext editingContext) {
super.init(editingContext);
// Call init() on all partial entities
for (ERXPartial partial : _partials()) {
partial.init(editingContext);
}
}
@Override
public void awakeFromFetch(EOEditingContext editingContext) {
super.awakeFromFetch(editingContext);
for (ERXPartial partial : _partials()) {
partial.awakeFromFetch(editingContext);
}
}
@Override
protected Object _validateValueForKey(Object value, String key) throws ValidationException {
Object result = value;
for (ERXPartial partial : _partials()) {
result = partial.validateValueForKey(value, key);
}
return result;
}
@Override
public Object validateTakeValueForKeyPath(Object value, String keyPath) throws ValidationException {
Object result = super.validateTakeValueForKeyPath(value, keyPath);
for (ERXPartial partial : _partials()) {
if (partial.isPartialKeypath(keyPath)) {
result = partial.validateTakeValueForKeyPath(value, keyPath);
}
}
return result;
}
@Override
public void validateForSave() throws NSValidation.ValidationException {
super.validateForSave();
for (ERXPartial partial : _partials()) {
partial.validateForSave();
}
}
@Override
public void validateForInsert() throws NSValidation.ValidationException {
super.validateForInsert();
for (ERXPartial partial : _partials()) {
partial.validateForInsert();
}
}
@Override
public void validateForUpdate() throws NSValidation.ValidationException {
super.validateForUpdate();
for (ERXPartial partial : _partials()) {
partial.validateForUpdate();
}
}
}