org.neo4j.driver.internal.shaded.reactor.core.publisher.MonoRetry Maven / Gradle / Ivy
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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 sequence if it signals any error
* either indefinitely or a fixed number of times.
*
* The times == Long.MAX_VALUE is treated as infinite retry.
*
* @param the value type
* @see Reactive-Streams-Commons
*/
final class MonoRetry extends InternalMonoOperator {
final long times;
MonoRetry(Mono source, long times) {
super(source);
if (times < 0L) {
throw new IllegalArgumentException("times >= 0 required");
}
this.times = times;
}
@Override
public CoreSubscriber subscribeOrReturn(CoreSubscriber actual) {
FluxRetry.RetrySubscriber parent = new FluxRetry.RetrySubscriber<>(source,
actual, times);
actual.onSubscribe(parent);
if (!parent.isCancelled()) {
parent.resubscribe();
}
return null;
}
@Override
public Object scanUnsafe(Attr key) {
if (key == Attr.RUN_STYLE) return Attr.RunStyle.SYNC;
return super.scanUnsafe(key);
}
}