01 /*
02 *
03 * Licensed to the Apache Software Foundation (ASF) under one
04 * or more contributor license agreements. See the NOTICE file
05 * distributed with this work for additional information
06 * regarding copyright ownership. The ASF licenses this file
07 * to you under the Apache License, Version 2.0 (the
08 * "License"); you may not use this file except in compliance
09 * 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 package org.apache.qpid.client.protocol;
22
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
25
26 class HeartbeatConfig
27 {
28 private static final Logger _logger = LoggerFactory.getLogger(HeartbeatConfig.class);
29 static final HeartbeatConfig CONFIG = new HeartbeatConfig();
30
31 /**
32 * The factor used to get the timeout from the delay between heartbeats.
33 */
34 private float timeoutFactor = 2;
35
36 HeartbeatConfig()
37 {
38 String property = System.getProperty("amqj.heartbeat.timeoutFactor");
39 if (property != null)
40 {
41 try
42 {
43 timeoutFactor = Float.parseFloat(property);
44 }
45 catch (NumberFormatException e)
46 {
47 _logger.warn("Invalid timeout factor (amqj.heartbeat.timeoutFactor): " + property);
48 }
49 }
50 }
51
52 float getTimeoutFactor()
53 {
54 return timeoutFactor;
55 }
56
57 int getTimeout(int writeDelay)
58 {
59 return (int) (timeoutFactor * writeDelay);
60 }
61 }
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