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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* 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;
import reactor.core.Fuseable;
import reactor.core.publisher.FluxOnAssembly.AssemblySnapshot;
import reactor.util.annotation.Nullable;
/**
* Captures the current stacktrace when this publisher is created and makes it
* available/visible for debugging purposes from the inner Subscriber.
*
* Note that getting a stacktrace is a costly operation.
*
* The operator sanitizes the stacktrace and removes noisy entries such as:
* - java.lang.Thread entries
- method references with source line of 1 (bridge
* methods)
- Tomcat worker thread entries
- JUnit setup
*
* @param the value type passing through
* @see https://github.com/reactor/reactive-streams-commons
*/
final class MonoOnAssembly extends InternalMonoOperator implements Fuseable,
AssemblyOp {
final AssemblySnapshot stacktrace;
/**
* Create an assembly trace exposed as a {@link Mono}.
*/
MonoOnAssembly(Mono extends T> source, AssemblySnapshot stacktrace) {
super(source);
this.stacktrace = stacktrace;
}
@Override
public CoreSubscriber super T> subscribeOrReturn(CoreSubscriber super T> actual) {
if (actual instanceof ConditionalSubscriber) {
@SuppressWarnings("unchecked") ConditionalSubscriber super T> cs =
(ConditionalSubscriber super T>) actual;
return new FluxOnAssembly.OnAssemblyConditionalSubscriber<>(cs, stacktrace, source, this);
}
else {
return new FluxOnAssembly.OnAssemblySubscriber<>(actual, stacktrace, source, this);
}
}
@Override
public Object scanUnsafe(Attr key) {
if (key == Attr.ACTUAL_METADATA) return !stacktrace.isCheckpoint;
if (key == Attr.RUN_STYLE) return Attr.RunStyle.SYNC;
return super.scanUnsafe(key);
}
@Override
public String stepName() {
return stacktrace.operatorAssemblyInformation();
}
@Override
public String toString() {
return stacktrace.operatorAssemblyInformation();
}
}
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