core/java/android/os/SimpleClock.java

/*
 * 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 android.os;

import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;

/** {@hide} */
public abstract class SimpleClock extends Clock {
    private final ZoneId zone;

    public SimpleClock(ZoneId zone) {
        this.zone = zone;
    }

    @Override
    public ZoneId getZone() {
        return zone;
    }

    @Override
    public Clock withZone(ZoneId zone) {
        return new SimpleClock(zone) {
            @Override
            public long millis() {
                return SimpleClock.this.millis();
            }
        };
    }

    @Override
    public abstract long millis();

    @Override
    public Instant instant() {
        return Instant.ofEpochMilli(millis());
    }
}