com.speedment.example.basic_example.Classifying Maven / Gradle / Ivy
/**
*
* Copyright (c) 2006-2018, Speedment, Inc. All Rights Reserved.
*
* 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.speedment.example.basic_example;
import com.company.sakila.SakilaApplication;
import com.company.sakila.db0.sakila.film.Film;
import com.company.sakila.db0.sakila.film.FilmManager;
import com.speedment.example.basic_example.util.ExampleUtil;
import static com.speedment.example.basic_example.util.ExampleUtil.buildApplication;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
*
* @author Per Minborg
*/
public class Classifying {
private final SakilaApplication app;
private final FilmManager films;
public Classifying() {
app = buildApplication();
films = app.getOrThrow(FilmManager.class);
}
public static void main(String[] args) {
new Classifying().run();
}
private void run() {
classifyFilms();
}
private void classifyFilms() {
ExampleUtil.log("classifyFilms");
Map> map = films.stream()
.collect(
Collectors.groupingBy(
// Apply this classifier
Film.RATING
)
);
map.forEach((k, v) ->
System.out.format(
"Rating %-5s maps to %d films %n", k, v.size()
)
);
}
}
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