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/*-
 * -\-\-
 * rkt-launcher
 * --
 * 
 * --
 * 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 io.honnix.rkt.launcher.model;

import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.util.StdConverter;
import io.norberg.automatter.AutoMatter;
import java.time.Instant;

@AutoMatter
public interface Image {

  class Nano2Instant extends StdConverter {

    private static final long NANOS_PER_SECOND = 1000_000_000L;

    @Override
    public Instant convert(final Long value) {
      final long seconds = value / NANOS_PER_SECOND;
      final long nanoseconds = value % NANOS_PER_SECOND;
      return Instant.ofEpochSecond(seconds, nanoseconds);
    }
  }

  class Instant2Nano extends StdConverter {

    private static final long NANOS_PER_SECOND = 1000_000_000L;

    @Override
    public Long convert(final Instant value) {
      return value.getEpochSecond() * NANOS_PER_SECOND + value.getNano();
    }
  }

  String id();

  String name();

  @JsonDeserialize(converter = Nano2Instant.class)
  @JsonSerialize(converter = Instant2Nano.class)
  Instant importTime();

  @JsonDeserialize(converter = Nano2Instant.class)
  @JsonSerialize(converter = Instant2Nano.class)
  Instant lastUsedTime();

  int size();
}