1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.http.conn.params;
28
29 import java.util.Map;
30 import java.util.concurrent.ConcurrentHashMap;
31
32 import org.apache.http.annotation.Contract;
33 import org.apache.http.annotation.ThreadingBehavior;
34 import org.apache.http.conn.routing.HttpRoute;
35 import org.apache.http.util.Args;
36
37 /**
38 * This class maintains a map of HTTP routes to maximum number of connections allowed
39 * for those routes. This class can be used by pooling
40 * {@link org.apache.http.conn.ClientConnectionManager connection managers} for
41 * a fine-grained control of connections on a per route basis.
42 *
43 * @since 4.0
44 *
45 * @deprecated (4.2) use {@link org.apache.http.pool.ConnPoolControl}
46 */
47 @Deprecated
48 @Contract(threading = ThreadingBehavior.SAFE)
49 public final class ConnPerRouteBean implements ConnPerRoute {
50
51 /** The default maximum number of connections allowed per host */
52 public static final int DEFAULT_MAX_CONNECTIONS_PER_ROUTE = 2; // Per RFC 2616 sec 8.1.4
53
54 private final ConcurrentHashMap<HttpRoute, Integer> maxPerHostMap;
55
56 private volatile int defaultMax;
57
58 public ConnPerRouteBean(final int defaultMax) {
59 super();
60 this.maxPerHostMap = new ConcurrentHashMap<HttpRoute, Integer>();
61 setDefaultMaxPerRoute(defaultMax);
62 }
63
64 public ConnPerRouteBean() {
65 this(DEFAULT_MAX_CONNECTIONS_PER_ROUTE);
66 }
67
68 public int getDefaultMax() {
69 return this.defaultMax;
70 }
71
72 /**
73 * @since 4.1
74 */
75 public int getDefaultMaxPerRoute() {
76 return this.defaultMax;
77 }
78
79 public void setDefaultMaxPerRoute(final int max) {
80 Args.positive(max, "Default max per route");
81 this.defaultMax = max;
82 }
83
84 public void setMaxForRoute(final HttpRoute route, final int max) {
85 Args.notNull(route, "HTTP route");
86 Args.positive(max, "Max per route");
87 this.maxPerHostMap.put(route, Integer.valueOf(max));
88 }
89
90 @Override
91 public int getMaxForRoute(final HttpRoute route) {
92 Args.notNull(route, "HTTP route");
93 final Integer max = this.maxPerHostMap.get(route);
94 if (max != null) {
95 return max.intValue();
96 } else {
97 return this.defaultMax;
98 }
99 }
100
101 public void setMaxForRoutes(final Map<HttpRoute, Integer> map) {
102 if (map == null) {
103 return;
104 }
105 this.maxPerHostMap.clear();
106 this.maxPerHostMap.putAll(map);
107 }
108
109 @Override
110 public String toString() {
111 return this.maxPerHostMap.toString();
112 }
113
114 }