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Utilities for JPA, JDBC and DataSources

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/*
 * Copyright 2021 OmniFaces
 *
 * 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 org.omnifaces.persistence.service;

import java.util.Map;
import java.util.Set;

import jakarta.persistence.criteria.Expression;
import jakarta.persistence.criteria.Root;

/**
 * Helper class of {@link BaseEntityService}.
 */
class MappedPathResolver extends RootPathResolver {

    private final Map> paths;

    public MappedPathResolver(Root root, Map> paths, Set elementCollections, Set manyOrOneToOnes) {
        super(root, elementCollections, manyOrOneToOnes);
        this.paths = paths;
    }

    @Override
    public Expression get(String field) {
        if (field != null) {
            Expression path = paths.get(field);

            if (path != null) {
                return path;
            }
        }

        return super.get(field);
    }
}