/*
* Copyright 2013-2017 the original author or 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 org.cloudfoundry.util;
import org.cloudfoundry.client.v2.ClientV2Exception;
import org.cloudfoundry.client.v2.serviceinstances.LastOperation;
import reactor.core.publisher.Mono;
import java.time.Duration;
import java.util.function.Supplier;
/**
* Utilities for {@link LastOperation}s
*/
public final class LastOperationUtils {
private static final String IN_PROGRESS = "in progress";
private LastOperationUtils() {
}
public static Mono<Void> waitForCompletion(Duration completionTimeout, Supplier<Mono<LastOperation>> lastOperationSupplier) {
return lastOperationSupplier.get()
.map(LastOperation::getState)
.filter(state -> !IN_PROGRESS.equals(state))
.repeatWhenEmpty(DelayUtils.exponentialBackOff(Duration.ofSeconds(1), Duration.ofSeconds(15), completionTimeout))
.onErrorResume(t -> t instanceof ClientV2Exception && ((ClientV2Exception) t).getStatusCode() == 404, t -> Mono.empty())
.then();
}
}