/*
    * ====================================================================
    *
    *  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.tsccm;
  
  import java.lang.ref.ReferenceQueue;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.http.conn.OperatedClientConnection;
  import org.apache.http.conn.ClientConnectionOperator;
  import org.apache.http.conn.routing.HttpRoute;
  import org.apache.http.impl.conn.AbstractPoolEntry;
  
  /**
   * Basic implementation of a connection pool entry.
   *
   * @since 4.0
   *
   * @deprecated (4.2)  use {@link org.apache.http.pool.PoolEntry}
   */
  @Deprecated
  public class BasicPoolEntry extends AbstractPoolEntry {
  
      private final long created;
  
      private long updated;
      private long validUntil;
      private long expiry;
  
      public BasicPoolEntry(ClientConnectionOperator op,
                            HttpRoute route,
                            ReferenceQueue<Object> queue) {
          super(op, route);
          if (route == null) {
              throw new IllegalArgumentException("HTTP route may not be null");
          }
          this.created = System.currentTimeMillis();
          this.validUntil = Long.MAX_VALUE;
          this.expiry = this.validUntil;
      }
  
      /**
       * Creates a new pool entry.
       *
       * @param op      the connection operator
       * @param route   the planned route for the connection
       */
      public BasicPoolEntry(ClientConnectionOperator op,
                            HttpRoute route) {
          this(op, route, -1, TimeUnit.MILLISECONDS);
      }
  
      /**
       * Creates a new pool entry with a specified maximum lifetime.
       *
       * @param op        the connection operator
       * @param route     the planned route for the connection
       * @param connTTL   maximum lifetime of this entry, <=0 implies "infinity"
       * @param timeunit  TimeUnit of connTTL
       *
       * @since 4.1
       */
      public BasicPoolEntry(ClientConnectionOperator op,
                            HttpRoute route, long connTTL, TimeUnit timeunit) {
          super(op, route);
          if (route == null) {
              throw new IllegalArgumentException("HTTP route may not be null");
          }
          this.created = System.currentTimeMillis();
          if (connTTL > 0) {
              this.validUntil = this.created + timeunit.toMillis(connTTL);
          } else {
              this.validUntil = Long.MAX_VALUE;
          }
          this.expiry = this.validUntil;
      }
 
     protected final OperatedClientConnection getConnection() {
         return super.connection;
     }
 
     protected final HttpRoute getPlannedRoute() {
         return super.route;
     }
 
     protected final BasicPoolEntryRef getWeakRef() {
         return null;
     }
 
     @Override
     protected void shutdownEntry() {
         super.shutdownEntry();
     }
 
     /**
      * @since 4.1
      */
     public long getCreated() {
         return this.created;
     }
 
     /**
      * @since 4.1
      */
     public long getUpdated() {
         return this.updated;
     }
 
     /**
      * @since 4.1
      */
     public long getExpiry() {
         return this.expiry;
     }
 
     public long getValidUntil() {
         return this.validUntil;
     }
 
     /**
      * @since 4.1
      */
     public void updateExpiry(long time, TimeUnit timeunit) {
         this.updated = System.currentTimeMillis();
         long newExpiry;
         if (time > 0) {
             newExpiry = this.updated + timeunit.toMillis(time);
         } else {
             newExpiry = Long.MAX_VALUE;
         }
         this.expiry = Math.min(validUntil, newExpiry);
     }
 
     /**
      * @since 4.1
      */
     public boolean isExpired(long now) {
         return now >= this.expiry;
     }
 
 }