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/*******************************************************************************
* Copyright (c) 2010, 2013 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jpa.eclipselink.core.internal.context;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jpt.common.core.internal.utility.ValidationMessageTools;
import org.eclipse.jpt.common.utility.internal.iterable.IterableTools;
import org.eclipse.jpt.jpa.core.context.IdClassReference;
import org.eclipse.jpt.jpa.core.context.IdTypeMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentType;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.AbstractEntityPrimaryKeyValidator;
import org.eclipse.jpt.jpa.core.validation.JptJpaCoreValidationMessages;
import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkEntity;
import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkTypeMapping;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public class EclipseLinkEntityPrimaryKeyValidator
extends AbstractEntityPrimaryKeyValidator
{
public EclipseLinkEntityPrimaryKeyValidator(
EclipseLinkEntity entity) {
super(entity);
}
@Override
protected EclipseLinkEntity entity() {
return (EclipseLinkEntity) typeMapping();
}
// in EclipseLink, a hierarchy may define its primary key on multiple classes, so long as the
// root entity has a coherent defined primary key.
// However, the id class may only be defined on one class in the hierarchy.
@Override
protected void validatePrimaryKeyIsNotRedefined(List<IMessage> messages, IReporter reporter) {
if (declaresIdClassLocally() && definesIdClassOnAncestor(typeMapping())) {
messages.add(
ValidationMessageTools.buildValidationMessage(
typeMapping().getResource(),
getIdClassRefValidationTextRange(),
JptJpaCoreValidationMessages.TYPE_MAPPING_ID_CLASS_REDEFINED
)
);
}
}
@Override
protected boolean definesPrimaryKey(IdTypeMapping typeMapping) {
return super.definesPrimaryKey(typeMapping)
|| ((EclipseLinkTypeMapping) typeMapping).usesPrimaryKeyColumns()
|| ((EclipseLinkTypeMapping) typeMapping).usesPrimaryKeyTenantDiscriminatorColumns();
}
// in EclipseLink, an id class is regarded as specified when it is defined on the class locally or on the super class
@Override
protected boolean declaresIdClassInHierarchy() {
return super.declaresIdClassInHierarchy() || definesIdClass(typeMapping());
}
@Override
protected void validateIdClassAttributesWithPropertyAccess(
JavaPersistentType idClass, List<IMessage> messages,
IReporter reporter) {
//do nothing - Eclipselink does not care about the existence status of property methods
}
@Override
protected IdClassReference idClassReference() {
return IterableTools.size(getIdClassReferencesOnInheritanceHierarchy(typeMapping())) >= 1 ?
IterableTools.first(getIdClassReferencesOnInheritanceHierarchy(typeMapping())) : super.idClassReference(); // multiple id class case is already handled somewhere else
}
private Iterable<IdClassReference> getIdClassReferencesOnInheritanceHierarchy(IdTypeMapping typeMapping) {
ArrayList<IdClassReference> refs = new ArrayList<IdClassReference>();
for (IdTypeMapping each : typeMapping.getInheritanceHierarchy()) {
if (each.getIdClassReference().isSpecified()) {
refs.add(each.getIdClassReference());
}
}
return refs;
}
}
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