*/

package org.gradle.cache.internal;

import com.google.common.cache.Cache;
import com.google.common.cache.RemovalCause;
import com.google.common.cache.RemovalListener;
import com.google.common.cache.RemovalNotification;
import org.slf4j.Logger;

import java.util.concurrent.atomic.AtomicInteger;

class LoggingEvictionListener implements RemovalListener<Object, Object> {

  private long currentTimeNanos() {
    return ticker.read();
  }

  private void alertListenerIfPresent(K key, V value, RemovalCause cause) {
    if (removalListener != null) {
      removalListener.onRemoval(RemovalNotification.create(key, value, cause));
    }
  }

  @SuppressWarnings("GoodTime") // timestamps as numeric primitives
  private V load(K key) throws ExecutionException {
    long startTime = ticker.read();

      totalWeight -= weight;
      if (cause.wasEvicted()) {
        statsCounter.recordEviction();
      }
      if (map.removalNotificationQueue != DISCARDING_QUEUE) {
        RemovalNotification<K, V> notification = RemovalNotification.create(key, value, cause);
        map.removalNotificationQueue.offer(notification);
      }
    }

    /**

      totalWeight -= weight;
      if (cause.wasEvicted()) {
        statsCounter.recordEviction();
      }
      if (map.removalNotificationQueue != DISCARDING_QUEUE) {
        RemovalNotification<K, V> notification = RemovalNotification.create(key, value, cause);
        map.removalNotificationQueue.offer(notification);
      }
    }

    /**

          return new SimpleStatsCounter();
        }
      };

  enum NullListener implements RemovalListener<Object, Object> {
    INSTANCE;

    @Override
    public void onRemoval(RemovalNotification<Object, Object> notification) {}
  }

  enum OneWeigher implements Weigher<Object, Object> {
    INSTANCE;

    @Override
    public int weigh(Object key, Object value) {
      return 1;
    }

          return new SimpleStatsCounter();
        }
      };

  enum NullListener implements RemovalListener<Object, Object> {
    INSTANCE;

    @Override
    public void onRemoval(RemovalNotification<Object, Object> notification) {}
  }

  enum OneWeigher implements Weigher<Object, Object> {
    INSTANCE;

    @Override
    public int weigh(Object key, Object value) {
      return 1;
    }