play.cache.SyncCacheApiAdapter Maven / Gradle / Ivy

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/*
 * Copyright (C) from 2022 The Play Framework Contributors , 2011-2021 Lightbend Inc. 
 */

package play.cache;

import static scala.jdk.javaapi.OptionConverters.toJava;

import java.util.Optional;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
import play.libs.Scala;
import scala.concurrent.duration.Duration;

/** Adapts a Scala SyncCacheApi to a Java SyncCacheApi */
public class SyncCacheApiAdapter implements SyncCacheApi {

  private final play.api.cache.SyncCacheApi scalaApi;

  public SyncCacheApiAdapter(play.api.cache.SyncCacheApi scalaApi) {
    this.scalaApi = scalaApi;
  }

  @Override
  public  Optional get(String key) {
    return toJava(scalaApi.get(key, Scala.classTag()));
  }

  @Override
  public  T getOrElseUpdate(String key, Callable block, int expiration) {
    return scalaApi.getOrElseUpdate(
        key, intToDuration(expiration), Scala.asScala(block), Scala.classTag());
  }

  @Override
  public  T getOrElseUpdate(String key, Callable block) {
    return scalaApi.getOrElseUpdate(key, Duration.Inf(), Scala.asScala(block), Scala.classTag());
  }

  @Override
  public void set(String key, Object value, int expiration) {
    scalaApi.set(key, value, intToDuration(expiration));
  }

  @Override
  public void set(String key, Object value) {
    scalaApi.set(key, value, Duration.Inf());
  }

  @Override
  public void remove(String key) {
    scalaApi.remove(key);
  }

  private Duration intToDuration(int seconds) {
    return seconds == 0 ? Duration.Inf() : Duration.apply(seconds, TimeUnit.SECONDS);
  }
}