001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027package org.apache.http.pool;
028
029/**
030 * Interface to control runtime properties of a {@link ConnPool} such as
031 * maximum total number of connections or maximum connections per route
032 * allowed.
033 *
034 * @param <T> the route type that represents the opposite endpoint of a pooled
035 *   connection.
036 * @since 4.2
037 */
038public interface ConnPoolControl<T> {
039
040    void setMaxTotal(int max);
041
042    int getMaxTotal();
043
044    void setDefaultMaxPerRoute(int max);
045
046    int getDefaultMaxPerRoute();
047
048    void setMaxPerRoute(final T route, int max);
049
050    int getMaxPerRoute(final T route);
051
052    PoolStats getTotalStats();
053
054    PoolStats getStats(final T route);
055
056}