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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* KIND, either express or implied. See the License for the
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package org.apache.isis.objectstore.jdo.metamodel.specloader.validator;
import javax.jdo.annotations.IdentityType;
import org.apache.isis.core.metamodel.facets.collections.modify.CollectionFacet;
import org.apache.isis.core.metamodel.facets.object.parented.ParentedCollectionFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
import org.apache.isis.core.metamodel.specloader.validator.ValidationFailures;
import org.apache.isis.objectstore.jdo.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
public class JdoMetaModelValidator extends MetaModelValidatorComposite {
public JdoMetaModelValidator() {
addValidatorToEnsureIdentityType();
addValidatorToCheckForUnsupportedAnnotations();
}
private void addValidatorToEnsureIdentityType() {
MetaModelValidatorVisiting.Visitor ensureIdentityType = new MetaModelValidatorVisiting.Visitor(){
@Override
public boolean visit(ObjectSpecification objSpec, ValidationFailures validationFailures) {
final JdoPersistenceCapableFacet jpcf = objSpec.getFacet(JdoPersistenceCapableFacet.class);
if(jpcf == null) {
return true;
}
final IdentityType identityType = jpcf.getIdentityType();
if(identityType == IdentityType.APPLICATION) {
// ok
} else if(identityType == IdentityType.NONDURABLE) {
// ok; for use with view models (http://www.datanucleus.org/products/accessplatform_3_2/datastores/rdbms_views.html)
} else if(identityType == IdentityType.DATASTORE || identityType == IdentityType.UNSPECIFIED) {
// TODO: ensure that DATASTORE has recognised @DatastoreIdentity attribute
} else {
// in fact, at the time of writing there are no others, so this is theoretical in case there is
// a future change to the JDO spec
validationFailures.add(
"%s: is annotated with @PersistenceCapable but with an unrecognized identityType (%s)",
objSpec.getFullIdentifier(),
identityType);
}
return true;
}};
add(new MetaModelValidatorVisiting(ensureIdentityType));
}
private void addValidatorToCheckForUnsupportedAnnotations() {
MetaModelValidatorVisiting.Visitor ensureIdentityType = new MetaModelValidatorVisiting.Visitor(){
@Override
public boolean visit(ObjectSpecification objSpec, ValidationFailures validationFailures) {
if (objSpec.containsDoOpFacet(ParentedCollectionFacet.class) && !objSpec.containsDoOpFacet(CollectionFacet.class)) {
validationFailures.add(
"%s: DataNucleus object store currently does not supported Aggregated or EmbeddedOnly annotations",
objSpec.getFullIdentifier());
}
return true;
}};
add(new MetaModelValidatorVisiting(ensureIdentityType));
}
}