com.blazebit.persistence.criteria.BlazeRoot Maven / Gradle / Ivy
/*
* Copyright 2014 - 2021 Blazebit.
*
* 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
*
* 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 com.blazebit.persistence.criteria;
import javax.persistence.criteria.Root;
/**
* An extended version of {@link Root}.
*
* @param the entity type referenced by the root
* @author Christian Beikov
* @since 1.2.0
*/
public interface BlazeRoot extends Root, BlazeFrom {
/**
* Treats this from object as the given subtype. This will not cause a separate join but return a wrapper,
* that can be used for further joins.
*
* @param type type to be downcast to
* @param The target treat type
* @return The treated from object
*/
BlazeRoot treatAs(Class type);
}