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SimpleListPropertyStrategy.java
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SimpleListPropertyStrategy.java
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/**
* Copyright (C) 2019 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.oom;
import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
import cz.cvut.kbss.jopa.model.metamodel.EntityType;
import cz.cvut.kbss.jopa.model.metamodel.ListAttributeImpl;
import cz.cvut.kbss.ontodriver.descriptor.SimpleListDescriptor;
import cz.cvut.kbss.ontodriver.descriptor.SimpleListDescriptorImpl;
import cz.cvut.kbss.ontodriver.descriptor.SimpleListValueDescriptor;
import cz.cvut.kbss.ontodriver.model.Assertion;
import cz.cvut.kbss.ontodriver.model.Axiom;
import cz.cvut.kbss.ontodriver.model.NamedResource;
import java.util.Collection;
import java.util.List;
class SimpleListPropertyStrategy<X> extends
ListPropertyStrategy<SimpleListDescriptor, SimpleListValueDescriptor, X> {
SimpleListPropertyStrategy(EntityType<X> et, ListAttributeImpl<? super X, ?> att, Descriptor descriptor,
EntityMappingHelper mapper) {
super(et, att, descriptor, mapper);
}
@Override
void addValueFromAxiom(Axiom<?> ax) {
final SimpleListDescriptor listDescriptor = createListDescriptor(ax);
final Collection<Axiom<NamedResource>> sequence = mapper.loadSimpleList(listDescriptor);
sequence.forEach(super::addValueFromAxiom);
}
@Override
SimpleListDescriptor createListDescriptor(Axiom<?> ax) {
final NamedResource owner = ax.getSubject();
final Assertion listProperty = Assertion.createObjectPropertyAssertion(attribute
.getIRI().toURI(), attribute.isInferred());
final Assertion nextNodeProperty = Assertion.createObjectPropertyAssertion(attribute
.getOWLObjectPropertyHasNextIRI().toURI(), attribute.isInferred());
final SimpleListDescriptor listDescriptor = new SimpleListDescriptorImpl(owner,
listProperty, nextNodeProperty);
listDescriptor.setContext(getAttributeContext());
return listDescriptor;
}
@Override
<K> void extractListValues(List<K> list, X instance, AxiomValueGatherer valueBuilder) {
final SimpleListValueDescriptor listDescriptor = createListValueDescriptor(instance);
final List<K> pendingItems = resolveUnpersistedItems(list);
if (!pendingItems.isEmpty()) {
pendingItems.forEach(item -> referenceSavingResolver.registerPendingReference(item, listDescriptor, list));
return;
}
addListElementsToListValueDescriptor(listDescriptor, list);
valueBuilder.addSimpleListValues(listDescriptor);
}
@Override
SimpleListValueDescriptor createListValueDescriptor(X instance) {
final NamedResource owner = NamedResource.create(resolveValueIdentifier(instance, et));
final Assertion listProperty = Assertion
.createObjectPropertyAssertion(attribute.getIRI().toURI(), attribute.isInferred());
final Assertion nextNodeProperty = Assertion.createObjectPropertyAssertion(attribute
.getOWLObjectPropertyHasNextIRI().toURI(), attribute.isInferred());
final SimpleListValueDescriptor listDescriptor = new SimpleListValueDescriptor(owner,
listProperty, nextNodeProperty);
listDescriptor.setContext(getAttributeContext());
return listDescriptor;
}
}