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DefaultInstanceLoader.java
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DefaultInstanceLoader.java
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/**
* Copyright (C) 2022 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.metamodel.EntityType;
import cz.cvut.kbss.jopa.sessions.LoadingParameters;
/**
* Loads entities which do not require polymorphic handling.
*/
class DefaultInstanceLoader extends EntityInstanceLoader {
private DefaultInstanceLoader(DefaultInstanceLoaderBuilder builder) {
super(builder);
}
@Override
<T> T loadEntity(LoadingParameters<T> loadingParameters) {
final EntityType<T> et = metamodel.entity(loadingParameters.getEntityType());
return loadInstance(loadingParameters, et);
}
@Override
<T> T loadReference(LoadingParameters<T> loadingParameters) {
final EntityType<T> et = metamodel.entity(loadingParameters.getEntityType());
return loadReferenceInstance(loadingParameters, et);
}
static DefaultInstanceLoaderBuilder builder() {
return new DefaultInstanceLoaderBuilder();
}
static class DefaultInstanceLoaderBuilder extends EntityInstanceLoaderBuilder {
@Override
EntityInstanceLoader build() {
return new DefaultInstanceLoader(this);
}
}
}