/**
* Copyright 2014 Netflix, Inc.
*
* 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 rx;
import org.junit.Test;
import rx.EventStream.Event;
import rx.functions.Action1;
import rx.functions.Func1;
import rx.observables.GroupedObservable;
public class GroupByTests {
@Test
public void testTakeUnsubscribesOnGroupBy() {
Observable.merge(
EventStream.getEventStream("HTTP-ClusterA", 50),
EventStream.getEventStream("HTTP-ClusterB", 20))
// group by type (2 clusters)
.groupBy(new Func1<Event, String>() {
@Override
public String call(Event event) {
return event.type;
}
}).take(1)
.toBlocking().forEach(new Action1<GroupedObservable<String, Event>>() {
@Override
public void call(GroupedObservable<String, Event> g) {
System.out.println(g);
}
});
System.out.println("**** finished");
}
@Test
public void testTakeUnsubscribesOnFlatMapOfGroupBy() {
Observable.merge(
EventStream.getEventStream("HTTP-ClusterA", 50),
EventStream.getEventStream("HTTP-ClusterB", 20))
// group by type (2 clusters)
.groupBy(new Func1<Event, String>() {
@Override
public String call(Event event) {
return event.type;
}
})
.flatMap(new Func1<GroupedObservable<String, Event>, Observable<String>>() {
@Override
public Observable<String> call(GroupedObservable<String, Event> g) {
return g.map(new Func1<Event, String>() {
@Override
public String call(Event event) {
return event.instanceId + " - " + event.values.get("count200");
}
});
}
})
.take(20)
.toBlocking().forEach(new Action1<String>() {
@Override
public void call(String v) {
System.out.println(v);
}
});
System.out.println("**** finished");
}
}