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ReferencedListPropertyStrategy.java
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ReferencedListPropertyStrategy.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
* <p>
* 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.
* <p>
* 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.ListAttribute;
import cz.cvut.kbss.jopa.utils.EntityPropertiesUtils;
import cz.cvut.kbss.ontodriver.descriptor.ReferencedListDescriptor;
import cz.cvut.kbss.ontodriver.descriptor.ReferencedListDescriptorImpl;
import cz.cvut.kbss.ontodriver.descriptor.ReferencedListValueDescriptor;
import cz.cvut.kbss.ontodriver.model.Assertion;
import cz.cvut.kbss.ontodriver.model.Axiom;
import cz.cvut.kbss.ontodriver.model.NamedResource;
import java.net.URI;
import java.util.Collection;
import java.util.List;
class ReferencedListPropertyStrategy<X> extends
ListPropertyStrategy<ReferencedListDescriptor, ReferencedListValueDescriptor, X> {
public ReferencedListPropertyStrategy(EntityType<X> et, ListAttribute<? super X, ?> att,
Descriptor descriptor, EntityMappingHelper mapper) {
super(et, att, descriptor, mapper);
}
@Override
void addValueFromAxiom(Axiom<?> ax) {
final ReferencedListDescriptor listDescriptor = createListDescriptor(ax);
final Collection<Axiom<NamedResource>> sequence = mapper.loadReferencedList(listDescriptor);
sequence.stream().filter(a -> a.getAssertion().getIdentifier()
.equals(listAttribute.getOWLPropertyHasContentsIRI().toURI()))
.forEach(super::addValueFromAxiom);
}
@Override
ReferencedListDescriptor createListDescriptor(Axiom<?> ax) {
final NamedResource owner = ax.getSubject();
final boolean inferred = listAttribute.isInferred();
final Assertion listProperty = Assertion.createObjectPropertyAssertion(listAttribute
.getIRI().toURI(), inferred);
final Assertion nextNodeProperty = Assertion.createObjectPropertyAssertion(listAttribute
.getOWLObjectPropertyHasNextIRI().toURI(), inferred);
final Assertion nodeContentProperty = Assertion.createObjectPropertyAssertion(listAttribute
.getOWLPropertyHasContentsIRI().toURI(), inferred);
final ReferencedListDescriptor listDescriptor = new ReferencedListDescriptorImpl(owner,
listProperty, nextNodeProperty, nodeContentProperty);
listDescriptor.setContext(getAttributeContext());
return listDescriptor;
}
@Override
<K> void extractListValues(List<K> list, X instance, AxiomValueGatherer valueBuilder) {
final ReferencedListValueDescriptor listDescriptor = createListValueDescriptor(instance);
addListElementsToListValueDescriptor(listDescriptor, list);
valueBuilder.addReferencedListValues(listDescriptor);
}
@Override
ReferencedListValueDescriptor createListValueDescriptor(X instance) {
final URI owner = EntityPropertiesUtils.getPrimaryKey(instance, et);
final Assertion hasList = Assertion
.createObjectPropertyAssertion(listAttribute.getIRI().toURI(), listAttribute.isInferred());
final Assertion hasNext = Assertion.createObjectPropertyAssertion(listAttribute
.getOWLObjectPropertyHasNextIRI().toURI(), listAttribute.isInferred());
final Assertion hasContent = Assertion.createObjectPropertyAssertion(listAttribute
.getOWLPropertyHasContentsIRI().toURI(), listAttribute.isInferred());
final ReferencedListValueDescriptor descriptor = new ReferencedListValueDescriptor(
NamedResource.create(owner), hasList, hasNext, hasContent);
descriptor.setContext(getAttributeContext());
return descriptor;
}
}