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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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
 *
 * http://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.apache.deltaspike.data.api.criteria;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Path;
import javax.persistence.criteria.Selection;

/**
 * Used for selection queries with the simplified Criteria API.
 *
 * @param    Entity type.
 * @param    Result type.
 */
public interface QuerySelection
{

    /**
     * Convert the instance to a criteria selection.
     * @param query         The current criteria query.
     * @param builder       The query builder used to instantiate the selection.
     * @param path          Current path.
     * @return              Criteria API selection instance corresponding to the
     *                      QuerySelection implementation.
     */
     Selection toSelection(CriteriaQuery query, CriteriaBuilder builder, Path path);

}