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/*
 * Copyright (c) 2016-2021 VMware Inc. or its affiliates, 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
 *
 *   https://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;

/**
 * Repeatedly subscribes to the source and relays its values either
 * indefinitely or a fixed number of times.
 * 

* The times == Long.MAX_VALUE is treated as infinite repeat. Times = 1 mirrors the source * (the "original" run) and then repeats it once more. Callers should take care of times = * 0 and times = -1 cases, which should map to replaying the source and an empty sequence, * respectively. * * @param the value type * @see Reactive-Streams-Commons */ final class MonoRepeat extends FluxFromMonoOperator { final long times; MonoRepeat(Mono source, long times) { super(source); if (times <= 0L) { throw new IllegalArgumentException("times > 0 required"); } this.times = times; } @Override public CoreSubscriber subscribeOrReturn(CoreSubscriber actual) { FluxRepeat.RepeatSubscriber parent = new FluxRepeat.RepeatSubscriber<>(source, actual, times + 1); actual.onSubscribe(parent); if (!parent.isCancelled()) { parent.onComplete(); } return null; } @Override public Object scanUnsafe(Attr key) { if (key == Attr.RUN_STYLE) return Attr.RunStyle.SYNC; return super.scanUnsafe(key); } }





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