com.googlesource.gerrit.plugins.auditsl4j.WaitForCondition.java Source code

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Here is the source code for com.googlesource.gerrit.plugins.auditsl4j.WaitForCondition.java

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// Copyright (C) 2018 The Android Open Source Project
//
// 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.googlesource.gerrit.plugins.auditsl4j;

import com.google.common.base.Stopwatch;
import java.time.Duration;
import java.util.function.Supplier;

public interface WaitForCondition {

    public default Duration waitTimeout() {
        return Duration.ofSeconds(5);
    }

    public default Duration waitInterval() {
        return Duration.ofMillis(100);
    }

    public default boolean waitFor(Supplier<Boolean> condition) {
        Stopwatch stopwatch = Stopwatch.createStarted();
        try {
            Duration maxWait = waitTimeout();
            Duration sleep = waitInterval();
            boolean conditionSucceeded = condition.get();
            while (!conditionSucceeded && stopwatch.elapsed().compareTo(maxWait) < 0) {
                try {
                    Thread.sleep(sleep.toMillis());
                } catch (InterruptedException e) {
                }
                conditionSucceeded = condition.get();
            }
            return conditionSucceeded;
        } finally {
            stopwatch.stop();
        }
    }
}