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PropertyAttributes.java
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PropertyAttributes.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.model.metamodel;
import cz.cvut.kbss.jopa.model.IRI;
import cz.cvut.kbss.jopa.model.annotations.*;
import java.lang.reflect.Field;
abstract class PropertyAttributes {
final FieldMappingValidator validator;
TypeBuilderContext<?> typeBuilderContext;
Type<?> type = null;
Attribute.PersistentAttributeType persistentAttributeType = null;
IRI iri = null;
CascadeType[] cascadeTypes = new CascadeType[]{};
FetchType fetchType = FetchType.EAGER;
boolean lexicalForm = false;
private boolean nonEmpty = false;
private ParticipationConstraint[] participationConstraints = new ParticipationConstraint[]{};
PropertyAttributes(FieldMappingValidator validator) {
this.validator = validator;
}
Type<?> getType() {
return type;
}
Attribute.PersistentAttributeType getPersistentAttributeType() {
return persistentAttributeType;
}
IRI getIri() {
return iri;
}
CascadeType[] getCascadeTypes() {
return cascadeTypes;
}
FetchType getFetchType() {
return fetchType;
}
boolean isKnownOwlProperty() {
return true;
}
boolean isNonEmpty() {
return nonEmpty;
}
boolean isLexicalForm() {
return lexicalForm;
}
ParticipationConstraint[] getParticipationConstraints() {
return participationConstraints;
}
void resolve(Field field, MetamodelBuilder metamodelBuilder, Class<?> fieldValueCls) {
resolveParticipationConstraints(field);
}
private void resolveParticipationConstraints(Field field) {
ParticipationConstraints cons = field.getAnnotation(ParticipationConstraints.class);
if (cons != null) {
if (cons.value().length > 0) {
this.participationConstraints = cons.value();
} else {
this.nonEmpty = cons.nonEmpty();
}
}
}
static PropertyAttributes create(Field field, FieldMappingValidator validator, TypeBuilderContext<?> context) {
final PropertyAttributes instance;
if (field.getAnnotation(OWLObjectProperty.class) != null) {
instance = new ObjectPropertyAttributes(validator);
} else if (field.getAnnotation(OWLDataProperty.class) != null) {
instance = new DataPropertyAttributes(validator);
} else if (field.getAnnotation(OWLAnnotationProperty.class) != null) {
instance = new AnnotationPropertyAttributes(validator);
} else {
instance = new NonPropertyAttributes(validator);
}
instance.typeBuilderContext = context;
return instance;
}
private static class NonPropertyAttributes extends PropertyAttributes {
NonPropertyAttributes(FieldMappingValidator validator) {
super(validator);
}
@Override
boolean isKnownOwlProperty() {
return false;
}
@Override
void resolve(Field field, MetamodelBuilder metamodelBuilder, Class<?> fieldValueCls) {
// do nothing
}
}
}