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Posted to commits@helix.apache.org by ol...@apache.org on 2013/01/31 23:04:46 UTC
svn commit: r1441217 [16/16] - in /incubator/helix/site-content: ./
apidocs/reference/ apidocs/reference/org/apache/helix/manager/zk/
helix-admin-webapp/ helix-core/ involved/ mockservice/ recipes/
recipes/distributed-lock-manager/ recipes/rabbitmq-con...
Modified: incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZkStateChangeListener.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZkStateChangeListener.html?rev=1441217&r1=1441216&r2=1441217&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZkStateChangeListener.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZkStateChangeListener.html Thu Jan 31 22:04:40 2013
@@ -29,82 +29,123 @@
<a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="20" href="#20">20</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="21" href="#21">21</a>
-<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.IZkStateListener;
-<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.ZkConnection;
-<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
-<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher.Event.KeeperState;
-<a class="jxr_linenumber" name="26" href="#26">26</a>
-<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkStateChangeListener.html">ZkStateChangeListener</a> <strong class="jxr_keyword">implements</strong> IZkStateListener
-<a class="jxr_linenumber" name="28" href="#28">28</a> {
-<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> _isConnected;
-<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> _hasSessionExpired;
-<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixManager.html">ZKHelixManager</a> _zkHelixManager;
-<a class="jxr_linenumber" name="32" href="#32">32</a>
-<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Logger logger = Logger.getLogger(ZkStateChangeListener.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="34" href="#34">34</a>
-<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkStateChangeListener.html">ZkStateChangeListener</a>(<a href="../../../../../org/apache/helix/manager/zk/ZKHelixManager.html">ZKHelixManager</a> zkHelixManager)
-<a class="jxr_linenumber" name="36" href="#36">36</a> {
-<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">this</strong>._zkHelixManager = zkHelixManager;
-<a class="jxr_linenumber" name="38" href="#38">38</a>
-<a class="jxr_linenumber" name="39" href="#39">39</a> }
-<a class="jxr_linenumber" name="40" href="#40">40</a>
-<a class="jxr_linenumber" name="41" href="#41">41</a> @Override
-<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleNewSession()
-<a class="jxr_linenumber" name="43" href="#43">43</a> {
-<a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_comment">// TODO:bug in zkclient .</em>
-<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_comment">// zkclient does not invoke handleStateChanged when a session expires but</em>
-<a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_comment">// directly invokes handleNewSession</em>
-<a class="jxr_linenumber" name="47" href="#47">47</a> _isConnected = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="48" href="#48">48</a> _hasSessionExpired = false;
-<a class="jxr_linenumber" name="49" href="#49">49</a> _zkHelixManager.handleNewSession();
-<a class="jxr_linenumber" name="50" href="#50">50</a> }
-<a class="jxr_linenumber" name="51" href="#51">51</a>
-<a class="jxr_linenumber" name="52" href="#52">52</a> @Override
-<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleStateChanged(KeeperState keeperState) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="54" href="#54">54</a> {
-<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">switch</strong> (keeperState)
-<a class="jxr_linenumber" name="56" href="#56">56</a> {
-<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">case</strong> SyncConnected:
-<a class="jxr_linenumber" name="58" href="#58">58</a> ZkConnection zkConnection =
-<a class="jxr_linenumber" name="59" href="#59">59</a> ((ZkConnection) _zkHelixManager._zkClient.getConnection());
-<a class="jxr_linenumber" name="60" href="#60">60</a> logger.info(<span class="jxr_string">"KeeperState: "</span> + keeperState + <span class="jxr_string">", zookeeper:"</span> + zkConnection.getZookeeper());
-<a class="jxr_linenumber" name="61" href="#61">61</a> _isConnected = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">case</strong> Disconnected:
-<a class="jxr_linenumber" name="64" href="#64">64</a> logger.info(<span class="jxr_string">"KeeperState:"</span> + keeperState + <span class="jxr_string">", disconnectedSessionId: "</span>
-<a class="jxr_linenumber" name="65" href="#65">65</a> + _zkHelixManager._sessionId + <span class="jxr_string">", instance: "</span>
-<a class="jxr_linenumber" name="66" href="#66">66</a> + _zkHelixManager.getInstanceName() + <span class="jxr_string">", type: "</span>
-<a class="jxr_linenumber" name="67" href="#67">67</a> + _zkHelixManager.getInstanceType());
-<a class="jxr_linenumber" name="68" href="#68">68</a>
-<a class="jxr_linenumber" name="69" href="#69">69</a> _isConnected = false;
-<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">case</strong> Expired:
-<a class="jxr_linenumber" name="72" href="#72">72</a> logger.info(<span class="jxr_string">"KeeperState:"</span> + keeperState + <span class="jxr_string">", expiredSessionId: "</span>
-<a class="jxr_linenumber" name="73" href="#73">73</a> + _zkHelixManager._sessionId + <span class="jxr_string">", instance: "</span>
-<a class="jxr_linenumber" name="74" href="#74">74</a> + _zkHelixManager.getInstanceName() + <span class="jxr_string">", type: "</span>
-<a class="jxr_linenumber" name="75" href="#75">75</a> + _zkHelixManager.getInstanceType());
-<a class="jxr_linenumber" name="76" href="#76">76</a>
-<a class="jxr_linenumber" name="77" href="#77">77</a> _isConnected = false;
-<a class="jxr_linenumber" name="78" href="#78">78</a> _hasSessionExpired = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="80" href="#80">80</a> }
-<a class="jxr_linenumber" name="81" href="#81">81</a> }
-<a class="jxr_linenumber" name="82" href="#82">82</a>
-<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">boolean</strong> isConnected()
-<a class="jxr_linenumber" name="84" href="#84">84</a> {
-<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">return</strong> _isConnected;
-<a class="jxr_linenumber" name="86" href="#86">86</a> }
-<a class="jxr_linenumber" name="87" href="#87">87</a>
-<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">void</strong> disconnect()
-<a class="jxr_linenumber" name="89" href="#89">89</a> {
-<a class="jxr_linenumber" name="90" href="#90">90</a> _isConnected = false;
-<a class="jxr_linenumber" name="91" href="#91">91</a> }
-<a class="jxr_linenumber" name="92" href="#92">92</a>
-<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">boolean</strong> hasSessionExpired()
-<a class="jxr_linenumber" name="94" href="#94">94</a> {
-<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">return</strong> _hasSessionExpired;
-<a class="jxr_linenumber" name="96" href="#96">96</a> }
-<a class="jxr_linenumber" name="97" href="#97">97</a> }
+<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.LinkedList;
+<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="24" href="#24">24</a>
+<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.IZkStateListener;
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.ZkConnection;
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
+<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher.Event.KeeperState;
+<a class="jxr_linenumber" name="29" href="#29">29</a>
+<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkStateChangeListener.html">ZkStateChangeListener</a> <strong class="jxr_keyword">implements</strong> IZkStateListener
+<a class="jxr_linenumber" name="31" href="#31">31</a> {
+<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> _isConnected;
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> _hasSessionExpired;
+<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixManager.html">ZKHelixManager</a> _zkHelixManager;
+<a class="jxr_linenumber" name="35" href="#35">35</a>
+<a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_comment">// Keep track of timestamps that zk State has become Disconnected</em>
+<a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_comment">// If in a _timeWindowLengthMs window zk State has become Disconnected </em>
+<a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_comment">// for more than_maxDisconnectThreshold times disconnect the zkHelixManager</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a> List<Long> _disconnectTimeHistory = <strong class="jxr_keyword">new</strong> LinkedList<Long>();
+<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">int</strong> _timeWindowLengthMs;
+<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">int</strong> _maxDisconnectThreshold;
+<a class="jxr_linenumber" name="42" href="#42">42</a>
+<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Logger logger = Logger.getLogger(ZkStateChangeListener.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="44" href="#44">44</a>
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkStateChangeListener.html">ZkStateChangeListener</a>(<a href="../../../../../org/apache/helix/manager/zk/ZKHelixManager.html">ZKHelixManager</a> zkHelixManager, <strong class="jxr_keyword">int</strong> timeWindowLengthMs, <strong class="jxr_keyword">int</strong> maxDisconnectThreshold)
+<a class="jxr_linenumber" name="46" href="#46">46</a> {
+<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">this</strong>._zkHelixManager = zkHelixManager;
+<a class="jxr_linenumber" name="48" href="#48">48</a> _timeWindowLengthMs = timeWindowLengthMs;
+<a class="jxr_linenumber" name="49" href="#49">49</a> <em class="jxr_comment">// _maxDisconnectThreshold min value is 1. </em>
+<a class="jxr_linenumber" name="50" href="#50">50</a> <em class="jxr_comment">// We don't want to disconnect from zk for the first time zkState become Disconnected</em>
+<a class="jxr_linenumber" name="51" href="#51">51</a> _maxDisconnectThreshold = maxDisconnectThreshold > 0 ? maxDisconnectThreshold : 1;
+<a class="jxr_linenumber" name="52" href="#52">52</a> }
+<a class="jxr_linenumber" name="53" href="#53">53</a>
+<a class="jxr_linenumber" name="54" href="#54">54</a> @Override
+<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleNewSession()
+<a class="jxr_linenumber" name="56" href="#56">56</a> {
+<a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_comment">// TODO:bug in zkclient .</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a> <em class="jxr_comment">// zkclient does not invoke handleStateChanged when a session expires but</em>
+<a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_comment">// directly invokes handleNewSession</em>
+<a class="jxr_linenumber" name="60" href="#60">60</a> _isConnected = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="61" href="#61">61</a> _hasSessionExpired = false;
+<a class="jxr_linenumber" name="62" href="#62">62</a> _zkHelixManager.handleNewSession();
+<a class="jxr_linenumber" name="63" href="#63">63</a> }
+<a class="jxr_linenumber" name="64" href="#64">64</a>
+<a class="jxr_linenumber" name="65" href="#65">65</a> @Override
+<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleStateChanged(KeeperState keeperState) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="67" href="#67">67</a> {
+<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">switch</strong> (keeperState)
+<a class="jxr_linenumber" name="69" href="#69">69</a> {
+<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">case</strong> SyncConnected:
+<a class="jxr_linenumber" name="71" href="#71">71</a> ZkConnection zkConnection =
+<a class="jxr_linenumber" name="72" href="#72">72</a> ((ZkConnection) _zkHelixManager._zkClient.getConnection());
+<a class="jxr_linenumber" name="73" href="#73">73</a> logger.info(<span class="jxr_string">"KeeperState: "</span> + keeperState + <span class="jxr_string">", zookeeper:"</span> + zkConnection.getZookeeper());
+<a class="jxr_linenumber" name="74" href="#74">74</a> _isConnected = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">case</strong> Disconnected:
+<a class="jxr_linenumber" name="77" href="#77">77</a> logger.info(<span class="jxr_string">"KeeperState:"</span> + keeperState + <span class="jxr_string">", disconnectedSessionId: "</span>
+<a class="jxr_linenumber" name="78" href="#78">78</a> + _zkHelixManager._sessionId + <span class="jxr_string">", instance: "</span>
+<a class="jxr_linenumber" name="79" href="#79">79</a> + _zkHelixManager.getInstanceName() + <span class="jxr_string">", type: "</span>
+<a class="jxr_linenumber" name="80" href="#80">80</a> + _zkHelixManager.getInstanceType());
+<a class="jxr_linenumber" name="81" href="#81">81</a>
+<a class="jxr_linenumber" name="82" href="#82">82</a> _isConnected = false;
+<a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_comment">// Track the time stamp that the disconnected happens, then check history and see if</em>
+<a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_comment">// we should disconnect the _zkHelixManager</em>
+<a class="jxr_linenumber" name="85" href="#85">85</a> _disconnectTimeHistory.add(System.currentTimeMillis());
+<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">if</strong>(isFlapping())
+<a class="jxr_linenumber" name="87" href="#87">87</a> {
+<a class="jxr_linenumber" name="88" href="#88">88</a> logger.error(<span class="jxr_string">"isFlapping() returns true, so disconnect the helix manager. "</span> + _zkHelixManager.getInstanceName() + <span class="jxr_string">" "</span>
+<a class="jxr_linenumber" name="89" href="#89">89</a> + _maxDisconnectThreshold + <span class="jxr_string">" disconnects in "</span> + _timeWindowLengthMs + <span class="jxr_string">" Ms."</span>);
+<a class="jxr_linenumber" name="90" href="#90">90</a> _zkHelixManager.disconnectInternal();
+<a class="jxr_linenumber" name="91" href="#91">91</a> }
+<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">case</strong> Expired:
+<a class="jxr_linenumber" name="94" href="#94">94</a> logger.info(<span class="jxr_string">"KeeperState:"</span> + keeperState + <span class="jxr_string">", expiredSessionId: "</span>
+<a class="jxr_linenumber" name="95" href="#95">95</a> + _zkHelixManager._sessionId + <span class="jxr_string">", instance: "</span>
+<a class="jxr_linenumber" name="96" href="#96">96</a> + _zkHelixManager.getInstanceName() + <span class="jxr_string">", type: "</span>
+<a class="jxr_linenumber" name="97" href="#97">97</a> + _zkHelixManager.getInstanceType());
+<a class="jxr_linenumber" name="98" href="#98">98</a>
+<a class="jxr_linenumber" name="99" href="#99">99</a> _isConnected = false;
+<a class="jxr_linenumber" name="100" href="#100">100</a> _hasSessionExpired = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="102" href="#102">102</a> }
+<a class="jxr_linenumber" name="103" href="#103">103</a> }
+<a class="jxr_linenumber" name="104" href="#104">104</a>
+<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">boolean</strong> isConnected()
+<a class="jxr_linenumber" name="106" href="#106">106</a> {
+<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">return</strong> _isConnected;
+<a class="jxr_linenumber" name="108" href="#108">108</a> }
+<a class="jxr_linenumber" name="109" href="#109">109</a>
+<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">void</strong> disconnect()
+<a class="jxr_linenumber" name="111" href="#111">111</a> {
+<a class="jxr_linenumber" name="112" href="#112">112</a> _isConnected = false;
+<a class="jxr_linenumber" name="113" href="#113">113</a> }
+<a class="jxr_linenumber" name="114" href="#114">114</a>
+<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">boolean</strong> hasSessionExpired()
+<a class="jxr_linenumber" name="116" href="#116">116</a> {
+<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">return</strong> _hasSessionExpired;
+<a class="jxr_linenumber" name="118" href="#118">118</a> }
+<a class="jxr_linenumber" name="119" href="#119">119</a>
+<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * If zk state has changed into Disconnected for _maxDisconnectThreshold times during previous _timeWindowLengthMs Ms</em>
+<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * time window, we think that there are something wrong going on and disconnect the zkHelixManager from zk.</em>
+<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * */</em>
+<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">boolean</strong> isFlapping()
+<a class="jxr_linenumber" name="125" href="#125">125</a> {
+<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">if</strong>(_disconnectTimeHistory.size() == 0)
+<a class="jxr_linenumber" name="127" href="#127">127</a> {
+<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="129" href="#129">129</a> }
+<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">long</strong> mostRecentTimestamp = _disconnectTimeHistory.get(_disconnectTimeHistory.size() - 1);
+<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_comment">// Remove disconnect history timestamp that are older than _timeWindowLengthMs ago</em>
+<a class="jxr_linenumber" name="132" href="#132">132</a> <strong class="jxr_keyword">while</strong>((_disconnectTimeHistory.get(0) + _timeWindowLengthMs) < mostRecentTimestamp)
+<a class="jxr_linenumber" name="133" href="#133">133</a> {
+<a class="jxr_linenumber" name="134" href="#134">134</a> _disconnectTimeHistory.remove(0);
+<a class="jxr_linenumber" name="135" href="#135">135</a> }
+<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">return</strong> _disconnectTimeHistory.size() > _maxDisconnectThreshold;
+<a class="jxr_linenumber" name="137" href="#137">137</a> }
+<a class="jxr_linenumber" name="138" href="#138">138</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>
Modified: incubator/helix/site-content/xref/org/apache/helix/model/AlertStatus.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/model/AlertStatus.html?rev=1441217&r1=1441216&r2=1441217&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/model/AlertStatus.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/model/AlertStatus.html Thu Jan 31 22:04:40 2013
@@ -40,7 +40,7 @@
<a class="jxr_linenumber" name="30" href="#30">30</a>
<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> String nodeName = <span class="jxr_string">"AlertStatus"</span>;
<a class="jxr_linenumber" name="32" href="#32">32</a>
-<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/apache/helix/model/Alerts.html">AlertsProperty</a>
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/apache/helix/model/AlertStatus.html">AlertsProperty</a>
<a class="jxr_linenumber" name="34" href="#34">34</a> {
<a class="jxr_linenumber" name="35" href="#35">35</a> SESSION_ID, FIELDS
<a class="jxr_linenumber" name="36" href="#36">36</a> }
Modified: incubator/helix/site-content/xref/org/apache/helix/model/Alerts.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/model/Alerts.html?rev=1441217&r1=1441216&r2=1441217&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/model/Alerts.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/model/Alerts.html Thu Jan 31 22:04:40 2013
@@ -42,7 +42,7 @@
<a class="jxr_linenumber" name="32" href="#32">32</a>
<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> String nodeName = <span class="jxr_string">"Alerts"</span>;
<a class="jxr_linenumber" name="34" href="#34">34</a>
-<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/apache/helix/model/Alerts.html">AlertsProperty</a>
+<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/apache/helix/model/AlertStatus.html">AlertsProperty</a>
<a class="jxr_linenumber" name="36" href="#36">36</a> {
<a class="jxr_linenumber" name="37" href="#37">37</a> SESSION_ID, FIELDS
<a class="jxr_linenumber" name="38" href="#38">38</a> }
Modified: incubator/helix/site-content/xref/org/apache/helix/model/package-frame.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/model/package-frame.html?rev=1441217&r1=1441216&r2=1441217&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/model/package-frame.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/model/package-frame.html Thu Jan 31 22:04:40 2013
@@ -25,7 +25,7 @@
<a href="Alerts.html" target="classFrame">Alerts</a>
</li>
<li>
- <a href="Alerts.html" target="classFrame">AlertsProperty</a>
+ <a href="AlertStatus.html" target="classFrame">AlertsProperty</a>
</li>
<li>
<a href="Message.html" target="classFrame">Attributes</a>
Modified: incubator/helix/site-content/xref/org/apache/helix/model/package-summary.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/model/package-summary.html?rev=1441217&r1=1441216&r2=1441217&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/model/package-summary.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/model/package-summary.html Thu Jan 31 22:04:40 2013
@@ -52,7 +52,7 @@
</tr>
<tr>
<td>
- <a href="Alerts.html" target="classFrame">AlertsProperty</a>
+ <a href="AlertStatus.html" target="classFrame">AlertsProperty</a>
</td>
</tr>
<tr>
Modified: incubator/helix/site-content/xref/org/apache/helix/package-frame.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/package-frame.html?rev=1441217&r1=1441216&r2=1441217&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/package-frame.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/package-frame.html Thu Jan 31 22:04:40 2013
@@ -178,7 +178,7 @@
<a href="StopServiceResource.html" target="classFrame">StopThread</a>
</li>
<li>
- <a href="PropertyType.html" target="classFrame">Type</a>
+ <a href="NotificationContext.html" target="classFrame">Type</a>
</li>
<li>
<a href="ZNRecord.html" target="classFrame">ZNRecord</a>
Modified: incubator/helix/site-content/xref/org/apache/helix/package-summary.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/package-summary.html?rev=1441217&r1=1441216&r2=1441217&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/package-summary.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/package-summary.html Thu Jan 31 22:04:40 2013
@@ -307,7 +307,7 @@
</tr>
<tr>
<td>
- <a href="PropertyType.html" target="classFrame">Type</a>
+ <a href="NotificationContext.html" target="classFrame">Type</a>
</td>
</tr>
<tr>