google-nomulus/java/google/registry/util/SystemClock.java
mcilwain 7d3cb3d426 Make our Clock util Serializable
It doesn't entirely make semantic sense, since the actual state of the
SystemClock isn't being preserved, but it makes injection into serializable
classes (e.g. mapreduces) much simpler, so it's worth doing.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=201755949
2018-06-27 15:28:52 -04:00

46 lines
1.3 KiB
Java

// Copyright 2017 The Nomulus Authors. 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.
package google.registry.util;
import static org.joda.time.DateTimeZone.UTC;
import dagger.Module;
import dagger.Provides;
import javax.annotation.concurrent.ThreadSafe;
import org.joda.time.DateTime;
/** Clock implementation that proxies to the real system clock. */
@ThreadSafe
public class SystemClock implements Clock {
private static final long serialVersionUID = 5165372013848947515L;
/** Returns the current time. */
@Override
public DateTime nowUtc() {
return DateTime.now(UTC);
}
/** Dagger module for {@link SystemClock}. */
@Module
public static final class SystemClockModule {
private static final Clock clock = new SystemClock();
@Provides
static Clock provideClock() {
return clock;
}
}
}