* limitations under the License.
 */

package com.google.common.cache;

import com.google.common.cache.AbstractCache.StatsCounter;
import com.google.common.cache.LocalCache.Timestamped;
import java.util.LinkedHashMap;
import org.jspecify.annotations.Nullable;

/**
 * LinkedHashMap that enforces its maximum size and logs events in a StatsCounter object and an
 * optional RemovalListener.
 *

   * null when hasNext() has already been called.
   */
  private final class EntryIterator implements Iterator<Entry<K, V>> {
    final Iterator<Entry<K, Timestamped<V>>> iterator;
    @Nullable Entry<K, Timestamped<V>> lastEntry;
    @Nullable Entry<K, Timestamped<V>> nextEntry;

    EntryIterator() {
      this.iterator = LocalCache.this.cachingHashMap.entrySet().iterator();
    }

    @Override

        protected String getUrl() {
            if (url != null) {
                return url;
            }
            return id;
        }
    }

    /**
     * Statistics data object that stores timestamped events and maintains reference counting.
     * Extends LinkedHashMap to store event names mapped to their timestamps.
     * Includes reference counting for multi-threaded access tracking.
     */