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| <div id="overview"><a href="../../../../../../../apidocs/org/apache/logging/log4j/core/config/ConfigurationScheduler.html">View Javadoc</a></div><pre> |
| <a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em> |
| <a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em> |
| <a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em> |
| <a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em> |
| <a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache license, Version 2.0</em> |
| <a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em> |
| <a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em> |
| <a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> |
| <a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> |
| <a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> |
| <a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * See the license for the specific language governing permissions and</em> |
| <a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * limitations under the license.</em> |
| <a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="L17" href="#L17">17</a> <strong class="jxr_keyword">package</strong> org.apache.logging.log4j.core.config; |
| <a class="jxr_linenumber" name="L18" href="#L18">18</a> |
| <a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> java.util.Date; |
| <a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">import</strong> java.util.Queue; |
| <a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Callable; |
| <a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ScheduledExecutorService; |
| <a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ScheduledFuture; |
| <a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ScheduledThreadPoolExecutor; |
| <a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit; |
| <a class="jxr_linenumber" name="L26" href="#L26">26</a> |
| <a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.Logger; |
| <a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.AbstractLifeCycle; |
| <a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.util.CronExpression; |
| <a class="jxr_linenumber" name="L30" href="#L30">30</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.util.Log4jThreadFactory; |
| <a class="jxr_linenumber" name="L31" href="#L31">31</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.status.StatusLogger; |
| <a class="jxr_linenumber" name="L32" href="#L32">32</a> |
| <a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L36" href="#L36">36</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/core/config/ConfigurationScheduler.html">ConfigurationScheduler</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/logging/log4j/core/AbstractLifeCycle.html">AbstractLifeCycle</a> { |
| <a class="jxr_linenumber" name="L37" href="#L37">37</a> |
| <a class="jxr_linenumber" name="L38" href="#L38">38</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/Logger.html">Logger</a> LOGGER = StatusLogger.getLogger(); |
| <a class="jxr_linenumber" name="L39" href="#L39">39</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String SIMPLE_NAME = <span class="jxr_string">"Log4j2 "</span> + ConfigurationScheduler.<strong class="jxr_keyword">class</strong>.getSimpleName(); |
| <a class="jxr_linenumber" name="L40" href="#L40">40</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> MAX_SCHEDULED_ITEMS = 5; |
| <a class="jxr_linenumber" name="L41" href="#L41">41</a> |
| <a class="jxr_linenumber" name="L42" href="#L42">42</a> <strong class="jxr_keyword">private</strong> ScheduledExecutorService executorService; |
| <a class="jxr_linenumber" name="L43" href="#L43">43</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> scheduledItems = 0; |
| <a class="jxr_linenumber" name="L44" href="#L44">44</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String name; |
| <a class="jxr_linenumber" name="L45" href="#L45">45</a> |
| <a class="jxr_linenumber" name="L46" href="#L46">46</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/config/ConfigurationScheduler.html">ConfigurationScheduler</a>() { |
| <a class="jxr_linenumber" name="L47" href="#L47">47</a> <strong class="jxr_keyword">this</strong>(SIMPLE_NAME); |
| <a class="jxr_linenumber" name="L48" href="#L48">48</a> } |
| <a class="jxr_linenumber" name="L49" href="#L49">49</a> |
| <a class="jxr_linenumber" name="L50" href="#L50">50</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/config/ConfigurationScheduler.html">ConfigurationScheduler</a>(<strong class="jxr_keyword">final</strong> String name) { |
| <a class="jxr_linenumber" name="L51" href="#L51">51</a> <strong class="jxr_keyword">super</strong>(); |
| <a class="jxr_linenumber" name="L52" href="#L52">52</a> <strong class="jxr_keyword">this</strong>.name = name; |
| <a class="jxr_linenumber" name="L53" href="#L53">53</a> } |
| <a class="jxr_linenumber" name="L54" href="#L54">54</a> |
| <a class="jxr_linenumber" name="L55" href="#L55">55</a> @Override |
| <a class="jxr_linenumber" name="L56" href="#L56">56</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> start() { |
| <a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">super</strong>.start(); |
| <a class="jxr_linenumber" name="L58" href="#L58">58</a> } |
| <a class="jxr_linenumber" name="L59" href="#L59">59</a> |
| <a class="jxr_linenumber" name="L60" href="#L60">60</a> @Override |
| <a class="jxr_linenumber" name="L61" href="#L61">61</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> stop(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> timeout, <strong class="jxr_keyword">final</strong> TimeUnit timeUnit) { |
| <a class="jxr_linenumber" name="L62" href="#L62">62</a> setStopping(); |
| <a class="jxr_linenumber" name="L63" href="#L63">63</a> <strong class="jxr_keyword">if</strong> (isExecutorServiceSet()) { |
| <a class="jxr_linenumber" name="L64" href="#L64">64</a> LOGGER.debug(<span class="jxr_string">"{} shutting down threads in {}"</span>, name, getExecutorService()); |
| <a class="jxr_linenumber" name="L65" href="#L65">65</a> executorService.shutdown(); |
| <a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="L67" href="#L67">67</a> executorService.awaitTermination(timeout, timeUnit); |
| <a class="jxr_linenumber" name="L68" href="#L68">68</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> InterruptedException ie) { |
| <a class="jxr_linenumber" name="L69" href="#L69">69</a> executorService.shutdownNow(); |
| <a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="L71" href="#L71">71</a> executorService.awaitTermination(timeout, timeUnit); |
| <a class="jxr_linenumber" name="L72" href="#L72">72</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> InterruptedException <strong class="jxr_keyword">inner</strong>) { |
| <a class="jxr_linenumber" name="L73" href="#L73">73</a> LOGGER.warn(<span class="jxr_string">"{} stopped but some scheduled services may not have completed."</span>, name); |
| <a class="jxr_linenumber" name="L74" href="#L74">74</a> } |
| <a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_comment">// Preserve interrupt status</em> |
| <a class="jxr_linenumber" name="L76" href="#L76">76</a> Thread.currentThread().interrupt(); |
| <a class="jxr_linenumber" name="L77" href="#L77">77</a> } |
| <a class="jxr_linenumber" name="L78" href="#L78">78</a> } |
| <a class="jxr_linenumber" name="L79" href="#L79">79</a> setStopped(); |
| <a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>; |
| <a class="jxr_linenumber" name="L81" href="#L81">81</a> } |
| <a class="jxr_linenumber" name="L82" href="#L82">82</a> |
| <a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isExecutorServiceSet() { |
| <a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">return</strong> executorService != <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="L85" href="#L85">85</a> } |
| <a class="jxr_linenumber" name="L86" href="#L86">86</a> |
| <a class="jxr_linenumber" name="L87" href="#L87">87</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L88" href="#L88">88</a> <em class="jxr_javadoccomment"> * Increment the number of threads in the pool.</em> |
| <a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L90" href="#L90">90</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> incrementScheduledItems() { |
| <a class="jxr_linenumber" name="L91" href="#L91">91</a> <strong class="jxr_keyword">if</strong> (isExecutorServiceSet()) { |
| <a class="jxr_linenumber" name="L92" href="#L92">92</a> LOGGER.error(<span class="jxr_string">"{} attempted to increment scheduled items after start"</span>, name); |
| <a class="jxr_linenumber" name="L93" href="#L93">93</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="L94" href="#L94">94</a> ++scheduledItems; |
| <a class="jxr_linenumber" name="L95" href="#L95">95</a> } |
| <a class="jxr_linenumber" name="L96" href="#L96">96</a> } |
| <a class="jxr_linenumber" name="L97" href="#L97">97</a> |
| <a class="jxr_linenumber" name="L98" href="#L98">98</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L99" href="#L99">99</a> <em class="jxr_javadoccomment"> * Decrement the number of threads in the pool</em> |
| <a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L101" href="#L101">101</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> decrementScheduledItems() { |
| <a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">if</strong> (!isStarted() && scheduledItems > 0) { |
| <a class="jxr_linenumber" name="L103" href="#L103">103</a> --scheduledItems; |
| <a class="jxr_linenumber" name="L104" href="#L104">104</a> } |
| <a class="jxr_linenumber" name="L105" href="#L105">105</a> } |
| <a class="jxr_linenumber" name="L106" href="#L106">106</a> |
| <a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment"> * Creates and executes a ScheduledFuture that becomes enabled after the given delay.</em> |
| <a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment"> * @param <V> The result type returned by this Future</em> |
| <a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment"> * @param callable the function to execute.</em> |
| <a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment"> * @param delay the time from now to delay execution.</em> |
| <a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment"> * @param unit the time unit of the delay parameter.</em> |
| <a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment"> * @return a ScheduledFuture that can be used to extract result or cancel.</em> |
| <a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L116" href="#L116">116</a> <strong class="jxr_keyword">public</strong> <V> ScheduledFuture<V> schedule(<strong class="jxr_keyword">final</strong> Callable<V> callable, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> delay, <strong class="jxr_keyword">final</strong> TimeUnit unit) { |
| <a class="jxr_linenumber" name="L117" href="#L117">117</a> <strong class="jxr_keyword">return</strong> getExecutorService().schedule(callable, delay, unit); |
| <a class="jxr_linenumber" name="L118" href="#L118">118</a> } |
| <a class="jxr_linenumber" name="L119" href="#L119">119</a> |
| <a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> * Creates and executes a one-shot action that becomes enabled after the given delay.</em> |
| <a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> * @param command the task to execute.</em> |
| <a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment"> * @param delay the time from now to delay execution.</em> |
| <a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment"> * @param unit the time unit of the delay parameter.</em> |
| <a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment"> * @return a ScheduledFuture representing pending completion of the task and whose get() method will return null</em> |
| <a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment"> * upon completion.</em> |
| <a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L128" href="#L128">128</a> <strong class="jxr_keyword">public</strong> ScheduledFuture<?> schedule(<strong class="jxr_keyword">final</strong> Runnable command, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> delay, <strong class="jxr_keyword">final</strong> TimeUnit unit) { |
| <a class="jxr_linenumber" name="L129" href="#L129">129</a> <strong class="jxr_keyword">return</strong> getExecutorService().schedule(command, delay, unit); |
| <a class="jxr_linenumber" name="L130" href="#L130">130</a> } |
| <a class="jxr_linenumber" name="L131" href="#L131">131</a> |
| <a class="jxr_linenumber" name="L132" href="#L132">132</a> |
| <a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment"> * Creates and executes an action that first based on a cron expression.</em> |
| <a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment"> * @param cronExpression the cron expression describing the schedule.</em> |
| <a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment"> * @param command The Runnable to run,</em> |
| <a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment"> * @return a ScheduledFuture representing the next time the command will run.</em> |
| <a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L139" href="#L139">139</a> <strong class="jxr_keyword">public</strong> CronScheduledFuture<?> scheduleWithCron(<strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/util/CronExpression.html">CronExpression</a> cronExpression, <strong class="jxr_keyword">final</strong> Runnable command) { |
| <a class="jxr_linenumber" name="L140" href="#L140">140</a> <strong class="jxr_keyword">return</strong> scheduleWithCron(cronExpression, <strong class="jxr_keyword">new</strong> Date(), command); |
| <a class="jxr_linenumber" name="L141" href="#L141">141</a> } |
| <a class="jxr_linenumber" name="L142" href="#L142">142</a> |
| <a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment"> * Creates and executes an action that first based on a cron expression.</em> |
| <a class="jxr_linenumber" name="L145" href="#L145">145</a> <em class="jxr_javadoccomment"> * @param cronExpression the cron expression describing the schedule.</em> |
| <a class="jxr_linenumber" name="L146" href="#L146">146</a> <em class="jxr_javadoccomment"> * @param startDate The time to use as the time to begin the cron expression. Defaults to the current date and time.</em> |
| <a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_javadoccomment"> * @param command The Runnable to run,</em> |
| <a class="jxr_linenumber" name="L148" href="#L148">148</a> <em class="jxr_javadoccomment"> * @return a ScheduledFuture representing the next time the command will run.</em> |
| <a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L150" href="#L150">150</a> <strong class="jxr_keyword">public</strong> CronScheduledFuture<?> scheduleWithCron(<strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/util/CronExpression.html">CronExpression</a> cronExpression, <strong class="jxr_keyword">final</strong> Date startDate, <strong class="jxr_keyword">final</strong> Runnable command) { |
| <a class="jxr_linenumber" name="L151" href="#L151">151</a> <strong class="jxr_keyword">final</strong> Date fireDate = cronExpression.getNextValidTimeAfter(startDate == <strong class="jxr_keyword">null</strong> ? <strong class="jxr_keyword">new</strong> Date() : startDate); |
| <a class="jxr_linenumber" name="L152" href="#L152">152</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/config/ConfigurationScheduler.html">CronRunnable</a> runnable = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/config/ConfigurationScheduler.html">CronRunnable</a>(command, cronExpression); |
| <a class="jxr_linenumber" name="L153" href="#L153">153</a> <strong class="jxr_keyword">final</strong> ScheduledFuture<?> future = schedule(runnable, nextFireInterval(fireDate), TimeUnit.MILLISECONDS); |
| <a class="jxr_linenumber" name="L154" href="#L154">154</a> <strong class="jxr_keyword">final</strong> CronScheduledFuture<?> cronScheduledFuture = <strong class="jxr_keyword">new</strong> CronScheduledFuture<>(future, fireDate); |
| <a class="jxr_linenumber" name="L155" href="#L155">155</a> runnable.setScheduledFuture(cronScheduledFuture); |
| <a class="jxr_linenumber" name="L156" href="#L156">156</a> LOGGER.debug(<span class="jxr_string">"{} scheduled cron expression {} to fire at {}"</span>, name, cronExpression.getCronExpression(), fireDate); |
| <a class="jxr_linenumber" name="L157" href="#L157">157</a> <strong class="jxr_keyword">return</strong> cronScheduledFuture; |
| <a class="jxr_linenumber" name="L158" href="#L158">158</a> } |
| <a class="jxr_linenumber" name="L159" href="#L159">159</a> |
| <a class="jxr_linenumber" name="L160" href="#L160">160</a> |
| <a class="jxr_linenumber" name="L161" href="#L161">161</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L162" href="#L162">162</a> <em class="jxr_javadoccomment"> * Creates and executes a periodic action that becomes enabled first after the given initial delay, and subsequently</em> |
| <a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment"> * with the given period; that is executions will commence after initialDelay then initialDelay+period,</em> |
| <a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_javadoccomment"> * then initialDelay + 2 * period, and so on.</em> |
| <a class="jxr_linenumber" name="L165" href="#L165">165</a> <em class="jxr_javadoccomment"> * @param command the task to execute.</em> |
| <a class="jxr_linenumber" name="L166" href="#L166">166</a> <em class="jxr_javadoccomment"> * @param initialDelay the time to delay first execution.</em> |
| <a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_javadoccomment"> * @param period the period between successive executions.</em> |
| <a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment"> * @param unit the time unit of the initialDelay and period parameters.</em> |
| <a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment"> * @return a ScheduledFuture representing pending completion of the task, and whose get() method will throw an</em> |
| <a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment"> * exception upon cancellation</em> |
| <a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L172" href="#L172">172</a> <strong class="jxr_keyword">public</strong> ScheduledFuture<?> scheduleAtFixedRate(<strong class="jxr_keyword">final</strong> Runnable command, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> initialDelay, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> period, <strong class="jxr_keyword">final</strong> TimeUnit unit) { |
| <a class="jxr_linenumber" name="L173" href="#L173">173</a> <strong class="jxr_keyword">return</strong> getExecutorService().scheduleAtFixedRate(command, initialDelay, period, unit); |
| <a class="jxr_linenumber" name="L174" href="#L174">174</a> } |
| <a class="jxr_linenumber" name="L175" href="#L175">175</a> |
| <a class="jxr_linenumber" name="L176" href="#L176">176</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L177" href="#L177">177</a> <em class="jxr_javadoccomment"> * Creates and executes a periodic action that becomes enabled first after the given initial delay, and</em> |
| <a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_javadoccomment"> * subsequently with the given delay between the termination of one execution and the commencement of the next.</em> |
| <a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_javadoccomment"> * @param command the task to execute.</em> |
| <a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_javadoccomment"> * @param initialDelay the time to delay first execution.</em> |
| <a class="jxr_linenumber" name="L181" href="#L181">181</a> <em class="jxr_javadoccomment"> * @param delay the delay between the termination of one execution and the commencement of the next.</em> |
| <a class="jxr_linenumber" name="L182" href="#L182">182</a> <em class="jxr_javadoccomment"> * @param unit the time unit of the initialDelay and delay parameters</em> |
| <a class="jxr_linenumber" name="L183" href="#L183">183</a> <em class="jxr_javadoccomment"> * @return a ScheduledFuture representing pending completion of the task, and whose get() method will throw an</em> |
| <a class="jxr_linenumber" name="L184" href="#L184">184</a> <em class="jxr_javadoccomment"> * exception upon cancellation</em> |
| <a class="jxr_linenumber" name="L185" href="#L185">185</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L186" href="#L186">186</a> <strong class="jxr_keyword">public</strong> ScheduledFuture<?> scheduleWithFixedDelay(<strong class="jxr_keyword">final</strong> Runnable command, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> initialDelay, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> delay, <strong class="jxr_keyword">final</strong> TimeUnit unit) { |
| <a class="jxr_linenumber" name="L187" href="#L187">187</a> <strong class="jxr_keyword">return</strong> getExecutorService().scheduleWithFixedDelay(command, initialDelay, delay, unit); |
| <a class="jxr_linenumber" name="L188" href="#L188">188</a> } |
| <a class="jxr_linenumber" name="L189" href="#L189">189</a> |
| <a class="jxr_linenumber" name="L190" href="#L190">190</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> nextFireInterval(<strong class="jxr_keyword">final</strong> Date fireDate) { |
| <a class="jxr_linenumber" name="L191" href="#L191">191</a> <strong class="jxr_keyword">return</strong> fireDate.getTime() - <strong class="jxr_keyword">new</strong> Date().getTime(); |
| <a class="jxr_linenumber" name="L192" href="#L192">192</a> } |
| <a class="jxr_linenumber" name="L193" href="#L193">193</a> |
| <a class="jxr_linenumber" name="L194" href="#L194">194</a> <strong class="jxr_keyword">private</strong> ScheduledExecutorService getExecutorService() { |
| <a class="jxr_linenumber" name="L195" href="#L195">195</a> <strong class="jxr_keyword">if</strong> (executorService == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="L196" href="#L196">196</a> <strong class="jxr_keyword">if</strong> (scheduledItems > 0) { |
| <a class="jxr_linenumber" name="L197" href="#L197">197</a> LOGGER.debug(<span class="jxr_string">"{} starting {} threads"</span>, name, scheduledItems); |
| <a class="jxr_linenumber" name="L198" href="#L198">198</a> scheduledItems = Math.min(scheduledItems, MAX_SCHEDULED_ITEMS); |
| <a class="jxr_linenumber" name="L199" href="#L199">199</a> <strong class="jxr_keyword">final</strong> ScheduledThreadPoolExecutor executor = <strong class="jxr_keyword">new</strong> ScheduledThreadPoolExecutor(scheduledItems, |
| <a class="jxr_linenumber" name="L200" href="#L200">200</a> Log4jThreadFactory.createDaemonThreadFactory(<span class="jxr_string">"Scheduled"</span>)); |
| <a class="jxr_linenumber" name="L201" href="#L201">201</a> executor.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
| <a class="jxr_linenumber" name="L202" href="#L202">202</a> executor.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
| <a class="jxr_linenumber" name="L203" href="#L203">203</a> <strong class="jxr_keyword">this</strong>.executorService = executor; |
| <a class="jxr_linenumber" name="L204" href="#L204">204</a> |
| <a class="jxr_linenumber" name="L205" href="#L205">205</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="L206" href="#L206">206</a> LOGGER.debug(<span class="jxr_string">"{}: No scheduled items"</span>, name); |
| <a class="jxr_linenumber" name="L207" href="#L207">207</a> } |
| <a class="jxr_linenumber" name="L208" href="#L208">208</a> } |
| <a class="jxr_linenumber" name="L209" href="#L209">209</a> <strong class="jxr_keyword">return</strong> executorService; |
| <a class="jxr_linenumber" name="L210" href="#L210">210</a> } |
| <a class="jxr_linenumber" name="L211" href="#L211">211</a> |
| <a class="jxr_linenumber" name="L212" href="#L212">212</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/core/config/ConfigurationScheduler.html">CronRunnable</a> <strong class="jxr_keyword">implements</strong> Runnable { |
| <a class="jxr_linenumber" name="L213" href="#L213">213</a> |
| <a class="jxr_linenumber" name="L214" href="#L214">214</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/util/CronExpression.html">CronExpression</a> cronExpression; |
| <a class="jxr_linenumber" name="L215" href="#L215">215</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Runnable runnable; |
| <a class="jxr_linenumber" name="L216" href="#L216">216</a> <strong class="jxr_keyword">private</strong> CronScheduledFuture<?> scheduledFuture; |
| <a class="jxr_linenumber" name="L217" href="#L217">217</a> |
| <a class="jxr_linenumber" name="L218" href="#L218">218</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/config/ConfigurationScheduler.html">CronRunnable</a>(<strong class="jxr_keyword">final</strong> Runnable runnable, <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/util/CronExpression.html">CronExpression</a> cronExpression) { |
| <a class="jxr_linenumber" name="L219" href="#L219">219</a> <strong class="jxr_keyword">this</strong>.cronExpression = cronExpression; |
| <a class="jxr_linenumber" name="L220" href="#L220">220</a> <strong class="jxr_keyword">this</strong>.runnable = runnable; |
| <a class="jxr_linenumber" name="L221" href="#L221">221</a> } |
| <a class="jxr_linenumber" name="L222" href="#L222">222</a> |
| <a class="jxr_linenumber" name="L223" href="#L223">223</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setScheduledFuture(<strong class="jxr_keyword">final</strong> CronScheduledFuture<?> future) { |
| <a class="jxr_linenumber" name="L224" href="#L224">224</a> <strong class="jxr_keyword">this</strong>.scheduledFuture = future; |
| <a class="jxr_linenumber" name="L225" href="#L225">225</a> } |
| <a class="jxr_linenumber" name="L226" href="#L226">226</a> |
| <a class="jxr_linenumber" name="L227" href="#L227">227</a> @Override |
| <a class="jxr_linenumber" name="L228" href="#L228">228</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() { |
| <a class="jxr_linenumber" name="L229" href="#L229">229</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="L230" href="#L230">230</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> millis = scheduledFuture.getFireTime().getTime() - System.currentTimeMillis(); |
| <a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">if</strong> (millis > 0) { |
| <a class="jxr_linenumber" name="L232" href="#L232">232</a> LOGGER.debug(<span class="jxr_string">"{} Cron thread woke up {} millis early. Sleeping"</span>, name, millis); |
| <a class="jxr_linenumber" name="L233" href="#L233">233</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="L234" href="#L234">234</a> Thread.sleep(millis); |
| <a class="jxr_linenumber" name="L235" href="#L235">235</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> InterruptedException ie) { |
| <a class="jxr_linenumber" name="L236" href="#L236">236</a> <em class="jxr_comment">// Ignore the interruption.</em> |
| <a class="jxr_linenumber" name="L237" href="#L237">237</a> } |
| <a class="jxr_linenumber" name="L238" href="#L238">238</a> } |
| <a class="jxr_linenumber" name="L239" href="#L239">239</a> runnable.run(); |
| <a class="jxr_linenumber" name="L240" href="#L240">240</a> } <strong class="jxr_keyword">catch</strong>(<strong class="jxr_keyword">final</strong> Throwable ex) { |
| <a class="jxr_linenumber" name="L241" href="#L241">241</a> LOGGER.error(<span class="jxr_string">"{} caught error running command"</span>, name, ex); |
| <a class="jxr_linenumber" name="L242" href="#L242">242</a> } <strong class="jxr_keyword">finally</strong> { |
| <a class="jxr_linenumber" name="L243" href="#L243">243</a> <strong class="jxr_keyword">final</strong> Date fireDate = cronExpression.getNextValidTimeAfter(<strong class="jxr_keyword">new</strong> Date()); |
| <a class="jxr_linenumber" name="L244" href="#L244">244</a> <strong class="jxr_keyword">final</strong> ScheduledFuture<?> future = schedule(<strong class="jxr_keyword">this</strong>, nextFireInterval(fireDate), TimeUnit.MILLISECONDS); |
| <a class="jxr_linenumber" name="L245" href="#L245">245</a> LOGGER.debug(<span class="jxr_string">"{} Cron expression {} scheduled to fire again at {}"</span>, name, cronExpression.getCronExpression(), |
| <a class="jxr_linenumber" name="L246" href="#L246">246</a> fireDate); |
| <a class="jxr_linenumber" name="L247" href="#L247">247</a> scheduledFuture.reset(future, fireDate); |
| <a class="jxr_linenumber" name="L248" href="#L248">248</a> } |
| <a class="jxr_linenumber" name="L249" href="#L249">249</a> } |
| <a class="jxr_linenumber" name="L250" href="#L250">250</a> |
| <a class="jxr_linenumber" name="L251" href="#L251">251</a> @Override |
| <a class="jxr_linenumber" name="L252" href="#L252">252</a> <strong class="jxr_keyword">public</strong> String toString() { |
| <a class="jxr_linenumber" name="L253" href="#L253">253</a> <strong class="jxr_keyword">return</strong> <span class="jxr_string">"CronRunnable{"</span> + cronExpression.getCronExpression() + <span class="jxr_string">" - "</span> + scheduledFuture.getFireTime(); |
| <a class="jxr_linenumber" name="L254" href="#L254">254</a> } |
| <a class="jxr_linenumber" name="L255" href="#L255">255</a> } |
| <a class="jxr_linenumber" name="L256" href="#L256">256</a> |
| <a class="jxr_linenumber" name="L257" href="#L257">257</a> @Override |
| <a class="jxr_linenumber" name="L258" href="#L258">258</a> <strong class="jxr_keyword">public</strong> String toString() { |
| <a class="jxr_linenumber" name="L259" href="#L259">259</a> <strong class="jxr_keyword">final</strong> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(<span class="jxr_string">"ConfigurationScheduler [name="</span>); |
| <a class="jxr_linenumber" name="L260" href="#L260">260</a> sb.append(name); |
| <a class="jxr_linenumber" name="L261" href="#L261">261</a> sb.append(<span class="jxr_string">", ["</span>); |
| <a class="jxr_linenumber" name="L262" href="#L262">262</a> <strong class="jxr_keyword">if</strong> (executorService != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="L263" href="#L263">263</a> <strong class="jxr_keyword">final</strong> Queue<Runnable> queue = ((ScheduledThreadPoolExecutor) executorService).getQueue(); |
| <a class="jxr_linenumber" name="L264" href="#L264">264</a> <strong class="jxr_keyword">boolean</strong> first = <strong class="jxr_keyword">true</strong>; |
| <a class="jxr_linenumber" name="L265" href="#L265">265</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> Runnable runnable : queue) { |
| <a class="jxr_linenumber" name="L266" href="#L266">266</a> <strong class="jxr_keyword">if</strong> (!first) { |
| <a class="jxr_linenumber" name="L267" href="#L267">267</a> sb.append(<span class="jxr_string">", "</span>); |
| <a class="jxr_linenumber" name="L268" href="#L268">268</a> } |
| <a class="jxr_linenumber" name="L269" href="#L269">269</a> sb.append(runnable.toString()); |
| <a class="jxr_linenumber" name="L270" href="#L270">270</a> first = false; |
| <a class="jxr_linenumber" name="L271" href="#L271">271</a> } |
| <a class="jxr_linenumber" name="L272" href="#L272">272</a> } |
| <a class="jxr_linenumber" name="L273" href="#L273">273</a> sb.append(<span class="jxr_string">"]"</span>); |
| <a class="jxr_linenumber" name="L274" href="#L274">274</a> <strong class="jxr_keyword">return</strong> sb.toString(); |
| <a class="jxr_linenumber" name="L275" href="#L275">275</a> } |
| <a class="jxr_linenumber" name="L276" href="#L276">276</a> |
| <a class="jxr_linenumber" name="L277" href="#L277">277</a> } |
| </pre> |
| <hr/> |
| <div id="footer">Copyright © 1999–2019 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</div> |
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