Google Git
Sign in
apache / trafodion-site / 48f3b5099ea7250f300c3de785249cdd8f14a21d / . / docs / 1.3.0 / dcs_reference / xref / org / trafodion / dcs / rest / ServerResource.html
blob: afda9a7a7b6a95e8761e6e5dce7448a2aeda6cbf [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>ServerResource xref</title>
<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../apidocs/org/trafodion/dcs/rest/ServerResource.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment">********************************************************************</em>
<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment">* @@@ START COPYRIGHT @@@</em>
<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_javadoccomment">*</em>
<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment">* Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment">* or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment">* distributed with this work for additional information</em>
<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment">* regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment">* to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment">* "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_javadoccomment">* with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_javadoccomment">*</em>
<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_javadoccomment">* <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_javadoccomment">*</em>
<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment">* Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment">* software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment">* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment">* KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_javadoccomment">* specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_javadoccomment">* under the License.</em>
<a class="jxr_linenumber" name="20" href="#20">20</a> <em class="jxr_javadoccomment">*</em>
<a class="jxr_linenumber" name="21" href="#21">21</a> <em class="jxr_javadoccomment">* @@@ END COPYRIGHT @@@</em>
<a class="jxr_linenumber" name="22" href="#22">22</a> <em class="jxr_javadoccomment">**********************************************************************/</em>
<a class="jxr_linenumber" name="23" href="#23">23</a>
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">package</strong> org.trafodion.dcs.<strong class="jxr_keyword">rest</strong>;
<a class="jxr_linenumber" name="25" href="#25">25</a>
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.io.*;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.*;
<a class="jxr_linenumber" name="28" href="#28">28</a>
<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.GET;
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.POST;
<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.Path;
<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.PathParam;
<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.Produces;
<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.core.CacheControl;
<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.core.Context;
<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.core.Response;
<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.core.UriInfo;
<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> javax.ws.rs.core.Response.ResponseBuilder;
<a class="jxr_linenumber" name="39" href="#39">39</a>
<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
<a class="jxr_linenumber" name="42" href="#42">42</a>
<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.ZooDefs;
<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.data.Stat;
<a class="jxr_linenumber" name="45" href="#45">45</a>
<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.Constants;
<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.util.Bytes;
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.zookeeper.ZkClient;
<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.<strong class="jxr_keyword">rest</strong>.RestConstants;
<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.<strong class="jxr_keyword">rest</strong>.model.ServerModel;
<a class="jxr_linenumber" name="51" href="#51">51</a>
<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/rest/ServerResource.html">ServerResource</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/trafodion/dcs/rest/ResourceBase.html">ResourceBase</a> {
<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG =
<a class="jxr_linenumber" name="54" href="#54">54</a> LogFactory.getLog(ServerResource.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="55" href="#55">55</a>
<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">static</strong> CacheControl cacheControl;
<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">static</strong> {
<a class="jxr_linenumber" name="58" href="#58">58</a> cacheControl = <strong class="jxr_keyword">new</strong> CacheControl();
<a class="jxr_linenumber" name="59" href="#59">59</a> cacheControl.setNoCache(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="60" href="#60">60</a> cacheControl.setNoTransform(false);
<a class="jxr_linenumber" name="61" href="#61">61</a> }
<a class="jxr_linenumber" name="62" href="#62">62</a>
<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment">* @@@ START COPYRIGHT @@@</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>
<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment"> Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment"> distributed with this work for additional information</em>
<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_javadoccomment"> regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="70" href="#70">70</a> <em class="jxr_javadoccomment"> to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="71" href="#71">71</a> <em class="jxr_javadoccomment"> "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="72" href="#72">72</a> <em class="jxr_javadoccomment"> with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>
<a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment"> <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="75" href="#75">75</a>
<a class="jxr_linenumber" name="76" href="#76">76</a> <em class="jxr_javadoccomment"> Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_javadoccomment"> software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="78" href="#78">78</a> <em class="jxr_javadoccomment"> "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_javadoccomment"> KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="80" href="#80">80</a> <em class="jxr_javadoccomment"> specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment"> under the License.</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>
<a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_javadoccomment">* @@@ END COPYRIGHT @@@</em>
<a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/trafodion/dcs/rest/ServerResource.html">ServerResource</a>() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">super</strong>();
<a class="jxr_linenumber" name="87" href="#87">87</a> }
<a class="jxr_linenumber" name="88" href="#88">88</a>
<a class="jxr_linenumber" name="89" href="#89">89</a> @GET
<a class="jxr_linenumber" name="90" href="#90">90</a> @Produces({MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON})
<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">public</strong> Response get(<strong class="jxr_keyword">final</strong> @Context UriInfo uriInfo) {
<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) {
<a class="jxr_linenumber" name="93" href="#93">93</a> LOG.debug(<span class="jxr_string">"GET "</span> + uriInfo.getAbsolutePath());
<a class="jxr_linenumber" name="94" href="#94">94</a> }
<a class="jxr_linenumber" name="95" href="#95">95</a>
<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="97" href="#97">97</a> List&lt;String&gt; master = servlet.getMaster();
<a class="jxr_linenumber" name="98" href="#98">98</a> List&lt;String&gt; running = servlet.getRunning();
<a class="jxr_linenumber" name="99" href="#99">99</a> List&lt;String&gt; registered = servlet.getRegistered();
<a class="jxr_linenumber" name="100" href="#100">100</a>
<a class="jxr_linenumber" name="101" href="#101">101</a> ZkClient zkc = servlet.getZk();
<a class="jxr_linenumber" name="102" href="#102">102</a> Stat stat = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="103" href="#103">103</a>
<a class="jxr_linenumber" name="104" href="#104">104</a> ServerModel model = <strong class="jxr_keyword">new</strong> ServerModel();
<a class="jxr_linenumber" name="105" href="#105">105</a>
<a class="jxr_linenumber" name="106" href="#106">106</a> String data = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="107" href="#107">107</a>
<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">if</strong>(master != <strong class="jxr_keyword">null</strong>){
<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">for</strong>(String znode: master) {
<a class="jxr_linenumber" name="110" href="#110">110</a> data = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="112" href="#112">112</a> data = Bytes.toString(zkc.getData(servlet.getParentZnode() + Constants.DEFAULT_ZOOKEEPER_ZNODE_MASTER + <span class="jxr_string">"/"</span> + znode, false, stat));
<a class="jxr_linenumber" name="113" href="#113">113</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="114" href="#114">114</a> LOG.error(e);
<a class="jxr_linenumber" name="115" href="#115">115</a> }
<a class="jxr_linenumber" name="116" href="#116">116</a>
<a class="jxr_linenumber" name="117" href="#117">117</a> ServerModel.DcsMaster dcsMaster = model.addDcsMaster(znode,data);
<a class="jxr_linenumber" name="118" href="#118">118</a>
<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">if</strong>(running != <strong class="jxr_keyword">null</strong>){
<a class="jxr_linenumber" name="120" href="#120">120</a> Collections.sort(running);
<a class="jxr_linenumber" name="121" href="#121">121</a> data = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">for</strong>(String znodeRun: running) {
<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="124" href="#124">124</a> data = Bytes.toString(zkc.getData(servlet.getParentZnode() + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING + <span class="jxr_string">"/"</span> + znodeRun, false, stat));
<a class="jxr_linenumber" name="125" href="#125">125</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="126" href="#126">126</a> LOG.error(e);
<a class="jxr_linenumber" name="127" href="#127">127</a> }
<a class="jxr_linenumber" name="128" href="#128">128</a>
<a class="jxr_linenumber" name="129" href="#129">129</a> ServerModel.DcsServer dcsServer = dcsMaster.addDcsServer(znodeRun,data);
<a class="jxr_linenumber" name="130" href="#130">130</a>
<a class="jxr_linenumber" name="131" href="#131">131</a> <strong class="jxr_keyword">if</strong>(registered != <strong class="jxr_keyword">null</strong>){
<a class="jxr_linenumber" name="132" href="#132">132</a> Collections.sort(registered);
<a class="jxr_linenumber" name="133" href="#133">133</a> data = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">for</strong>(String znodeReg: registered) {
<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="136" href="#136">136</a> data = Bytes.toString(zkc.getData(servlet.getParentZnode() + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED + <span class="jxr_string">"/"</span> + znodeReg, false, stat));
<a class="jxr_linenumber" name="137" href="#137">137</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="138" href="#138">138</a> LOG.error(e);
<a class="jxr_linenumber" name="139" href="#139">139</a> }
<a class="jxr_linenumber" name="140" href="#140">140</a>
<a class="jxr_linenumber" name="141" href="#141">141</a> dcsServer.addTrafodionServer(znodeReg,data);
<a class="jxr_linenumber" name="142" href="#142">142</a> }
<a class="jxr_linenumber" name="143" href="#143">143</a> }
<a class="jxr_linenumber" name="144" href="#144">144</a> }
<a class="jxr_linenumber" name="145" href="#145">145</a> }
<a class="jxr_linenumber" name="146" href="#146">146</a> }
<a class="jxr_linenumber" name="147" href="#147">147</a> }
<a class="jxr_linenumber" name="148" href="#148">148</a>
<a class="jxr_linenumber" name="149" href="#149">149</a> ResponseBuilder response = Response.ok(model);
<a class="jxr_linenumber" name="150" href="#150">150</a> response.cacheControl(cacheControl);
<a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">return</strong> response.build();
<a class="jxr_linenumber" name="152" href="#152">152</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">return</strong> Response.status(Response.Status.SERVICE_UNAVAILABLE)
<a class="jxr_linenumber" name="154" href="#154">154</a> .type(MIMETYPE_TEXT).entity(<span class="jxr_string">"Unavailable"</span> + CRLF)
<a class="jxr_linenumber" name="155" href="#155">155</a> .build();
<a class="jxr_linenumber" name="156" href="#156">156</a> }
<a class="jxr_linenumber" name="157" href="#157">157</a> }
<a class="jxr_linenumber" name="158" href="#158">158</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>