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SimpleOneLevelCascadeExplorer.java
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SimpleOneLevelCascadeExplorer.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.model;
import cz.cvut.kbss.jopa.model.metamodel.Attribute;
import cz.cvut.kbss.jopa.utils.EntityPropertiesUtils;
import java.util.Collection;
import java.util.HashSet;
public abstract class SimpleOneLevelCascadeExplorer extends OneLevelCascadeExplorer {
protected void runForEach(final Attribute<?, ?> at, final Object o, boolean cascaded) {
Object attVal = EntityPropertiesUtils.getAttributeValue(at, o);
if (attVal == null) {
return;
}
if (at.isCollection()) {
for (final Object ox2 : new HashSet<>((Collection<?>) attVal)) {
if (cascaded) {
runCascadedForEach(ox2);
} else {
runNonCascadedForEach(ox2);
}
}
} else {
if (cascaded) {
runCascadedForEach(attVal);
} else {
runNonCascadedForEach(attVal);
}
}
}
@Override
protected void exploreCascaded(final Attribute<?, ?> at, final Object o) {
runForEach(at, o, true);
}
protected void runCascadedForEach(Object ox2) {
// nothing
}
@Override
protected void exploreNonCascaded(final Attribute<?, ?> at, final Object o) {
runForEach(at, o, false);
}
protected void runNonCascadedForEach(Object ox2) {
// nothing
}
}