com.hazelcast.com.google.common.util.concurrent.internal.InternalFutures Maven / Gradle / Ivy
/*
* Copyright (C) 2018 The Guava Authors
*
* 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 com.hazelcast.com.google.common.util.concurrent.internal;
/**
* Static utilities for {@link InternalFutureFailureAccess}. Most users will never need to use this
* class.
*
* This class is GWT-compatible.
*
* @since {@code com.hazelcast.com.google.guava:failureaccess:1.0}, which was added as a dependency of Guava in
* Guava 27.0
*/
public final class InternalFutures {
/**
* Usually returns {@code null} but, if the given {@code Future} has failed, may optionally
* return the cause of the failure. "Failure" means specifically "completed with an exception"; it
* does not include "was cancelled." To be explicit: If this method returns a non-null value,
* then:
*
*
* - {@code isDone()} must return {@code true}
*
- {@code isCancelled()} must return {@code false}
*
- {@code get()} must not block, and it must throw an {@code ExecutionException} with the
* return value of this method as its cause
*
*/
public static Throwable tryInternalFastPathGetFailure(InternalFutureFailureAccess future) {
return future.tryInternalFastPathGetFailure();
}
private InternalFutures() {}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy