com.mysema.query.ResultTransformer Maven / Gradle / Ivy
/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* 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.mysema.query;
/**
* Executes query on a {@link Projectable} and transforms results into T. This can be used for example
* to group projected columns or to filter out duplicate results.
*
* @see com.mysema.query.group.GroupBy
* @author sasa
*
* @param Transformations target type
*/
public interface ResultTransformer {
/**
* @param projectable
* @return
*/
T transform(Projectable projectable);
}