/*
* Copyright (c) 2011-2017 Pivotal Software 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 reactor.core.publisher;
import reactor.core.
CoreSubscriber;
import reactor.core.
Fuseable;
import reactor.core.publisher.
FluxTake.
TakeFuseableSubscriber;
/**
* Takes only the first N values from the source Publisher.
* <p>
* If N is zero, the subscriber gets completed if the source completes, signals an error or
* signals its first value (which is not not relayed though).
*
* @param <T> the value type
* @see <a href="https://github.com/reactor/reactive-streams-commons">Reactive-Streams-Commons</a>
*/
final class
FluxTakeFuseable<T> extends
FluxOperator<T, T> implements
Fuseable {
final long
n;
FluxTakeFuseable(
Flux<? extends T>
source, long
n) {
super(
source);
if (
n < 0) {
throw new
IllegalArgumentException("n >= 0 required but it was " +
n);
}
this.
n =
n;
}
@
Override
public void
subscribe(
CoreSubscriber<? super T>
actual) {
source.
subscribe(new
TakeFuseableSubscriber<>(
actual,
n));
}
}