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Data Repository Support for Micronaut
/*
* Copyright 2017-2021 original authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.micronaut.data.runtime.criteria;
import io.micronaut.core.annotation.Internal;
import io.micronaut.data.model.Association;
import io.micronaut.data.model.jpa.criteria.PersistentAssociationPath;
import io.micronaut.data.model.jpa.criteria.PersistentEntityPath;
import io.micronaut.data.model.jpa.criteria.PersistentPropertyPath;
import io.micronaut.data.model.runtime.RuntimePersistentEntity;
import io.micronaut.data.model.runtime.RuntimePersistentProperty;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
@Internal
interface RuntimePersistentEntityPath extends PersistentEntityPath {
@Override
RuntimePersistentEntity getPersistentEntity();
@Override
default PersistentPropertyPath get(String attributeName) {
RuntimePersistentProperty> property = getPersistentEntity().getPropertyByName(attributeName);
if (property == null) {
throw new IllegalStateException("Cannot query entity [" + getPersistentEntity().getSimpleName() + "] on non-existent property: " + attributeName);
}
if (this instanceof PersistentAssociationPath, ?> associationPath) {
List associations = associationPath.getAssociations();
List newAssociations = new ArrayList<>(associations.size() + 1);
newAssociations.addAll(associations);
newAssociations.add(associationPath.getAssociation());
return new RuntimePersistentPropertyPathImpl<>(this, newAssociations, property);
}
return new RuntimePersistentPropertyPathImpl<>(this, Collections.emptyList(), property);
}
}
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