/*
    * ====================================================================
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.http.impl.conn;
  
  import java.io.IOException;
  import java.util.Date;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.commons.logging.Log;
  import org.apache.http.conn.OperatedClientConnection;
  import org.apache.http.conn.routing.HttpRoute;
  import org.apache.http.conn.routing.RouteTracker;
  import org.apache.http.pool.PoolEntry;
  
  /**
   * @since 4.2
   */
  class HttpPoolEntry extends PoolEntry<HttpRoute, OperatedClientConnection> {
  
      private final Log log;
      private final RouteTracker tracker;
  
      public HttpPoolEntry(
              final Log log,
              final String id,
              final HttpRoute route,
              final OperatedClientConnection conn,
              final long timeToLive, final TimeUnit tunit) {
          super(id, route, conn, timeToLive, tunit);
          this.log = log;
          this.tracker = new RouteTracker(route);
      }
  
      @Override
      public boolean isExpired(long now) {
          boolean expired = super.isExpired(now);
          if (expired && this.log.isDebugEnabled()) {
              this.log.debug("Connection " + this + " expired @ " + new Date(getExpiry()));
          }
          return expired;
      }
  
      RouteTracker getTracker() {
          return this.tracker;
      }
  
      HttpRoute getPlannedRoute() {
          return getRoute();
      }
  
      HttpRoute getEffectiveRoute() {
          return this.tracker.toRoute();
      }
  
      @Override
      public boolean isClosed() {
          OperatedClientConnection conn = getConnection();
          return !conn.isOpen();
      }
  
      @Override
      public void close() {
          OperatedClientConnection conn = getConnection();
          try {
              conn.close();
          } catch (IOException ex) {
              this.log.debug("I/O error closing connection", ex);
          }
      }
  
  }