com.themodernway.server.core.ITimeSupplier Maven / Gradle / Ivy

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/*
 * Copyright (c) 2018, The Modern Way. 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
 *
 *     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. ThreadLocal.withInitial(supplier);
 */

package com.themodernway.server.core;

import java.util.function.LongSupplier;

@FunctionalInterface
public interface ITimeSupplier
{
    public long getTime();

    public static long now()
    {
        return System.currentTimeMillis();
    }

    public static ITimeSupplier mills()
    {
        return System::currentTimeMillis;
    }

    public static ITimeSupplier nanos()
    {
        return System::nanoTime;
    }

    public static ITimeSupplier of(final LongSupplier time)
    {
        return time::getAsLong;
    }
}