com.microsoft.azure.cosmosdb.internal.directconnectivity.TimeoutHelper Maven / Gradle / Ivy

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/*
 * The MIT License (MIT)
 * Copyright (c) 2018 Microsoft Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.microsoft.azure.cosmosdb.internal.directconnectivity;

import java.time.Duration;
import java.time.Instant;

public class TimeoutHelper {
    private final Instant startTime;
    private final Duration timeOut;

    public TimeoutHelper(Duration timeOut) {
        this.startTime = Instant.now();
        this.timeOut = timeOut;
    }

    public boolean isElapsed() {
        Duration elapsed = Duration.ofMillis(Instant.now().toEpochMilli() - startTime.toEpochMilli());
        return elapsed.compareTo(this.timeOut) >= 0;
    }

    public Duration getRemainingTime() {
        Duration elapsed = Duration.ofMillis(Instant.now().toEpochMilli() - startTime.toEpochMilli());
        return this.timeOut.minus(elapsed);
    }

    public void throwTimeoutIfElapsed() throws RequestTimeoutException {
        if (this.isElapsed()) {
            throw new RequestTimeoutException();
        }
    }

    public void throwGoneIfElapsed() throws GoneException {
        if (this.isElapsed()) {
            throw new GoneException();
        }
    }
}