1 /*
2 * ====================================================================
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * 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, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ====================================================================
19 *
20 * This software consists of voluntary contributions made by many
21 * individuals on behalf of the Apache Software Foundation. For more
22 * information on the Apache Software Foundation, please see
23 * <http://www.apache.org/>.
24 *
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.ThreadSafe;
33
34 import org.apache.http.conn.routing.HttpRoute;
35 import org.apache.http.pool.ConnPoolControl;
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 ConnPoolControl}
46 */
47 @Deprecated
48 @ThreadSafe
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(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(int max) {
80 if (max < 1) {
81 throw new IllegalArgumentException
82 ("The maximum must be greater than 0.");
83 }
84 this.defaultMax = max;
85 }
86
87 public void setMaxForRoute(final HttpRoute route, int max) {
88 if (route == null) {
89 throw new IllegalArgumentException
90 ("HTTP route may not be null.");
91 }
92 if (max < 1) {
93 throw new IllegalArgumentException
94 ("The maximum must be greater than 0.");
95 }
96 this.maxPerHostMap.put(route, Integer.valueOf(max));
97 }
98
99 public int getMaxForRoute(final HttpRoute route) {
100 if (route == null) {
101 throw new IllegalArgumentException
102 ("HTTP route may not be null.");
103 }
104 Integer max = this.maxPerHostMap.get(route);
105 if (max != null) {
106 return max.intValue();
107 } else {
108 return this.defaultMax;
109 }
110 }
111
112 public void setMaxForRoutes(final Map<HttpRoute, Integer> map) {
113 if (map == null) {
114 return;
115 }
116 this.maxPerHostMap.clear();
117 this.maxPerHostMap.putAll(map);
118 }
119
120 @Override
121 public String toString() {
122 return this.maxPerHostMap.toString();
123 }
124
125 }