/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
* "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.apache.isis.core.metamodel.specloader.validator;
import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.IdentifiedHolder;
import org.apache.isis.core.metamodel.facets.objectvalue.mandatory.MandatoryFacet;
import org.apache.isis.core.metamodel.facets.objectvalue.mandatory.MandatoryFacetDefault;
public class MetaModelValidatorForConflictingOptionality extends MetaModelValidatorAbstract {
private final ValidationFailures failures = new ValidationFailures();
public MetaModelValidatorForConflictingOptionality() {
}
@Override
public void validate(final ValidationFailures validationFailures) {
validationFailures.addAll(failures);
}
private Facet addFailure(final Facet facet, final String message) {
if(facet != null) {
failures.add(message + ": " + ((IdentifiedHolder) facet.getFacetHolder()).getIdentifier().toFullIdentityString());
}
return facet;
}
public Facet flagIfConflict(final MandatoryFacet facet, final String message) {
if(conflictingOptionality(facet)) {
addFailure(facet, message);
}
return facet;
}
private static boolean conflictingOptionality(final MandatoryFacet facet) {
if (facet == null) {
return false;
}
final MandatoryFacet underlyingFacet = (MandatoryFacet) facet.getUnderlyingFacet();
if(underlyingFacet instanceof MandatoryFacetDefault) {
return false;
}
final boolean conflicting =
underlyingFacet != null && facet.isInvertedSemantics() != underlyingFacet.isInvertedSemantics();
return conflicting;
}
}