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apache / logging-log4j-site / 9755b12b39efbc0142688f9b1a11ec68db89f97b / . / 2.13.1 / log4j-core / apidocs / src-html / org / apache / logging / log4j / core / filter / DynamicThresholdFilter.html
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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a>
<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<span class="sourceLineNo">014</span> * See the license for the specific language governing permissions and<a name="line.14"></a>
<span class="sourceLineNo">015</span> * limitations under the license.<a name="line.15"></a>
<span class="sourceLineNo">016</span> */<a name="line.16"></a>
<span class="sourceLineNo">017</span>package org.apache.logging.log4j.core.filter;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.util.HashMap;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.util.Map;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.Objects;<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.logging.log4j.Level;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.logging.log4j.Marker;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.logging.log4j.ThreadContext;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.logging.log4j.core.Filter;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.logging.log4j.core.LogEvent;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.logging.log4j.core.Logger;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.logging.log4j.core.config.Node;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.logging.log4j.core.config.plugins.PluginAttribute;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.logging.log4j.core.config.plugins.PluginElement;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.logging.log4j.core.config.plugins.PluginFactory;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.logging.log4j.core.ContextDataInjector;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.logging.log4j.core.impl.ContextDataInjectorFactory;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.logging.log4j.core.util.KeyValuePair;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.logging.log4j.message.Message;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.logging.log4j.util.PerformanceSensitive;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.logging.log4j.util.ReadOnlyStringMap;<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
<span class="sourceLineNo">042</span> * Compares against a log level that is associated with a context value. By default the context is the<a name="line.42"></a>
<span class="sourceLineNo">043</span> * {@link ThreadContext}, but users may {@linkplain ContextDataInjectorFactory configure} a custom<a name="line.43"></a>
<span class="sourceLineNo">044</span> * {@link ContextDataInjector} which obtains context data from some other source.<a name="line.44"></a>
<span class="sourceLineNo">045</span> */<a name="line.45"></a>
<span class="sourceLineNo">046</span>@Plugin(name = "DynamicThresholdFilter", category = Node.CATEGORY, elementType = Filter.ELEMENT_TYPE, printObject = true)<a name="line.46"></a>
<span class="sourceLineNo">047</span>@PerformanceSensitive("allocation")<a name="line.47"></a>
<span class="sourceLineNo">048</span>public final class DynamicThresholdFilter extends AbstractFilter {<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> /**<a name="line.50"></a>
<span class="sourceLineNo">051</span> * Creates a DynamicThresholdFilter.<a name="line.51"></a>
<span class="sourceLineNo">052</span> * @param key The name of the key to compare.<a name="line.52"></a>
<span class="sourceLineNo">053</span> * @param pairs An array of value and Level pairs.<a name="line.53"></a>
<span class="sourceLineNo">054</span> * @param defaultThreshold The default Level.<a name="line.54"></a>
<span class="sourceLineNo">055</span> * @param onMatch The action to perform if a match occurs.<a name="line.55"></a>
<span class="sourceLineNo">056</span> * @param onMismatch The action to perform if no match occurs.<a name="line.56"></a>
<span class="sourceLineNo">057</span> * @return The DynamicThresholdFilter.<a name="line.57"></a>
<span class="sourceLineNo">058</span> */<a name="line.58"></a>
<span class="sourceLineNo">059</span> // TODO Consider refactoring to use AbstractFilter.AbstractFilterBuilder<a name="line.59"></a>
<span class="sourceLineNo">060</span> @PluginFactory<a name="line.60"></a>
<span class="sourceLineNo">061</span> public static DynamicThresholdFilter createFilter(<a name="line.61"></a>
<span class="sourceLineNo">062</span> @PluginAttribute("key") final String key,<a name="line.62"></a>
<span class="sourceLineNo">063</span> @PluginElement("Pairs") final KeyValuePair[] pairs,<a name="line.63"></a>
<span class="sourceLineNo">064</span> @PluginAttribute("defaultThreshold") final Level defaultThreshold,<a name="line.64"></a>
<span class="sourceLineNo">065</span> @PluginAttribute("onMatch") final Result onMatch,<a name="line.65"></a>
<span class="sourceLineNo">066</span> @PluginAttribute("onMismatch") final Result onMismatch) {<a name="line.66"></a>
<span class="sourceLineNo">067</span> final Map&lt;String, Level&gt; map = new HashMap&lt;&gt;();<a name="line.67"></a>
<span class="sourceLineNo">068</span> for (final KeyValuePair pair : pairs) {<a name="line.68"></a>
<span class="sourceLineNo">069</span> map.put(pair.getKey(), Level.toLevel(pair.getValue()));<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span> final Level level = defaultThreshold == null ? Level.ERROR : defaultThreshold;<a name="line.71"></a>
<span class="sourceLineNo">072</span> return new DynamicThresholdFilter(key, map, level, onMatch, onMismatch);<a name="line.72"></a>
<span class="sourceLineNo">073</span> }<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> private Level defaultThreshold = Level.ERROR;<a name="line.75"></a>
<span class="sourceLineNo">076</span> private final String key;<a name="line.76"></a>
<span class="sourceLineNo">077</span> private final ContextDataInjector injector = ContextDataInjectorFactory.createInjector();<a name="line.77"></a>
<span class="sourceLineNo">078</span> private Map&lt;String, Level&gt; levelMap = new HashMap&lt;&gt;();<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span> private DynamicThresholdFilter(final String key, final Map&lt;String, Level&gt; pairs, final Level defaultLevel,<a name="line.80"></a>
<span class="sourceLineNo">081</span> final Result onMatch, final Result onMismatch) {<a name="line.81"></a>
<span class="sourceLineNo">082</span> super(onMatch, onMismatch);<a name="line.82"></a>
<span class="sourceLineNo">083</span> Objects.requireNonNull(key, "key cannot be null");<a name="line.83"></a>
<span class="sourceLineNo">084</span> this.key = key;<a name="line.84"></a>
<span class="sourceLineNo">085</span> this.levelMap = pairs;<a name="line.85"></a>
<span class="sourceLineNo">086</span> this.defaultThreshold = defaultLevel;<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span> @Override<a name="line.89"></a>
<span class="sourceLineNo">090</span> public boolean equals(final Object obj) {<a name="line.90"></a>
<span class="sourceLineNo">091</span> if (this == obj) {<a name="line.91"></a>
<span class="sourceLineNo">092</span> return true;<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span> if (!super.equalsImpl(obj)) {<a name="line.94"></a>
<span class="sourceLineNo">095</span> return false;<a name="line.95"></a>
<span class="sourceLineNo">096</span> }<a name="line.96"></a>
<span class="sourceLineNo">097</span> if (getClass() != obj.getClass()) {<a name="line.97"></a>
<span class="sourceLineNo">098</span> return false;<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span> final DynamicThresholdFilter other = (DynamicThresholdFilter) obj;<a name="line.100"></a>
<span class="sourceLineNo">101</span> if (defaultThreshold == null) {<a name="line.101"></a>
<span class="sourceLineNo">102</span> if (other.defaultThreshold != null) {<a name="line.102"></a>
<span class="sourceLineNo">103</span> return false;<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span> } else if (!defaultThreshold.equals(other.defaultThreshold)) {<a name="line.105"></a>
<span class="sourceLineNo">106</span> return false;<a name="line.106"></a>
<span class="sourceLineNo">107</span> }<a name="line.107"></a>
<span class="sourceLineNo">108</span> if (key == null) {<a name="line.108"></a>
<span class="sourceLineNo">109</span> if (other.key != null) {<a name="line.109"></a>
<span class="sourceLineNo">110</span> return false;<a name="line.110"></a>
<span class="sourceLineNo">111</span> }<a name="line.111"></a>
<span class="sourceLineNo">112</span> } else if (!key.equals(other.key)) {<a name="line.112"></a>
<span class="sourceLineNo">113</span> return false;<a name="line.113"></a>
<span class="sourceLineNo">114</span> }<a name="line.114"></a>
<span class="sourceLineNo">115</span> if (levelMap == null) {<a name="line.115"></a>
<span class="sourceLineNo">116</span> if (other.levelMap != null) {<a name="line.116"></a>
<span class="sourceLineNo">117</span> return false;<a name="line.117"></a>
<span class="sourceLineNo">118</span> }<a name="line.118"></a>
<span class="sourceLineNo">119</span> } else if (!levelMap.equals(other.levelMap)) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> return false;<a name="line.120"></a>
<span class="sourceLineNo">121</span> }<a name="line.121"></a>
<span class="sourceLineNo">122</span> return true;<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span><a name="line.124"></a>
<span class="sourceLineNo">125</span> private Result filter(final Level level, final ReadOnlyStringMap contextMap) {<a name="line.125"></a>
<span class="sourceLineNo">126</span> final String value = contextMap.getValue(key);<a name="line.126"></a>
<span class="sourceLineNo">127</span> if (value != null) {<a name="line.127"></a>
<span class="sourceLineNo">128</span> Level ctxLevel = levelMap.get(value);<a name="line.128"></a>
<span class="sourceLineNo">129</span> if (ctxLevel == null) {<a name="line.129"></a>
<span class="sourceLineNo">130</span> ctxLevel = defaultThreshold;<a name="line.130"></a>
<span class="sourceLineNo">131</span> }<a name="line.131"></a>
<span class="sourceLineNo">132</span> return level.isMoreSpecificThan(ctxLevel) ? onMatch : onMismatch;<a name="line.132"></a>
<span class="sourceLineNo">133</span> }<a name="line.133"></a>
<span class="sourceLineNo">134</span> return Result.NEUTRAL;<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span> }<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span> @Override<a name="line.138"></a>
<span class="sourceLineNo">139</span> public Result filter(final LogEvent event) {<a name="line.139"></a>
<span class="sourceLineNo">140</span> return filter(event.getLevel(), event.getContextData());<a name="line.140"></a>
<span class="sourceLineNo">141</span> }<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> @Override<a name="line.143"></a>
<span class="sourceLineNo">144</span> public Result filter(final Logger logger, final Level level, final Marker marker, final Message msg,<a name="line.144"></a>
<span class="sourceLineNo">145</span> final Throwable t) {<a name="line.145"></a>
<span class="sourceLineNo">146</span> return filter(level, currentContextData());<a name="line.146"></a>
<span class="sourceLineNo">147</span> }<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span> @Override<a name="line.149"></a>
<span class="sourceLineNo">150</span> public Result filter(final Logger logger, final Level level, final Marker marker, final Object msg,<a name="line.150"></a>
<span class="sourceLineNo">151</span> final Throwable t) {<a name="line.151"></a>
<span class="sourceLineNo">152</span> return filter(level, currentContextData());<a name="line.152"></a>
<span class="sourceLineNo">153</span> }<a name="line.153"></a>
<span class="sourceLineNo">154</span><a name="line.154"></a>
<span class="sourceLineNo">155</span> @Override<a name="line.155"></a>
<span class="sourceLineNo">156</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.156"></a>
<span class="sourceLineNo">157</span> final Object... params) {<a name="line.157"></a>
<span class="sourceLineNo">158</span> return filter(level, currentContextData());<a name="line.158"></a>
<span class="sourceLineNo">159</span> }<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span> private ReadOnlyStringMap currentContextData() {<a name="line.161"></a>
<span class="sourceLineNo">162</span> return injector.rawContextData();<a name="line.162"></a>
<span class="sourceLineNo">163</span> }<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span> @Override<a name="line.165"></a>
<span class="sourceLineNo">166</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.166"></a>
<span class="sourceLineNo">167</span> final Object p0) {<a name="line.167"></a>
<span class="sourceLineNo">168</span> return filter(level, currentContextData());<a name="line.168"></a>
<span class="sourceLineNo">169</span> }<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span> @Override<a name="line.171"></a>
<span class="sourceLineNo">172</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.172"></a>
<span class="sourceLineNo">173</span> final Object p0, final Object p1) {<a name="line.173"></a>
<span class="sourceLineNo">174</span> return filter(level, currentContextData());<a name="line.174"></a>
<span class="sourceLineNo">175</span> }<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span> @Override<a name="line.177"></a>
<span class="sourceLineNo">178</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.178"></a>
<span class="sourceLineNo">179</span> final Object p0, final Object p1, final Object p2) {<a name="line.179"></a>
<span class="sourceLineNo">180</span> return filter(level, currentContextData());<a name="line.180"></a>
<span class="sourceLineNo">181</span> }<a name="line.181"></a>
<span class="sourceLineNo">182</span><a name="line.182"></a>
<span class="sourceLineNo">183</span> @Override<a name="line.183"></a>
<span class="sourceLineNo">184</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.184"></a>
<span class="sourceLineNo">185</span> final Object p0, final Object p1, final Object p2, final Object p3) {<a name="line.185"></a>
<span class="sourceLineNo">186</span> return filter(level, currentContextData());<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span> @Override<a name="line.189"></a>
<span class="sourceLineNo">190</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.190"></a>
<span class="sourceLineNo">191</span> final Object p0, final Object p1, final Object p2, final Object p3,<a name="line.191"></a>
<span class="sourceLineNo">192</span> final Object p4) {<a name="line.192"></a>
<span class="sourceLineNo">193</span> return filter(level, currentContextData());<a name="line.193"></a>
<span class="sourceLineNo">194</span> }<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
<span class="sourceLineNo">196</span> @Override<a name="line.196"></a>
<span class="sourceLineNo">197</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.197"></a>
<span class="sourceLineNo">198</span> final Object p0, final Object p1, final Object p2, final Object p3,<a name="line.198"></a>
<span class="sourceLineNo">199</span> final Object p4, final Object p5) {<a name="line.199"></a>
<span class="sourceLineNo">200</span> return filter(level, currentContextData());<a name="line.200"></a>
<span class="sourceLineNo">201</span> }<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span> @Override<a name="line.203"></a>
<span class="sourceLineNo">204</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.204"></a>
<span class="sourceLineNo">205</span> final Object p0, final Object p1, final Object p2, final Object p3,<a name="line.205"></a>
<span class="sourceLineNo">206</span> final Object p4, final Object p5, final Object p6) {<a name="line.206"></a>
<span class="sourceLineNo">207</span> return filter(level, currentContextData());<a name="line.207"></a>
<span class="sourceLineNo">208</span> }<a name="line.208"></a>
<span class="sourceLineNo">209</span><a name="line.209"></a>
<span class="sourceLineNo">210</span> @Override<a name="line.210"></a>
<span class="sourceLineNo">211</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.211"></a>
<span class="sourceLineNo">212</span> final Object p0, final Object p1, final Object p2, final Object p3,<a name="line.212"></a>
<span class="sourceLineNo">213</span> final Object p4, final Object p5, final Object p6,<a name="line.213"></a>
<span class="sourceLineNo">214</span> final Object p7) {<a name="line.214"></a>
<span class="sourceLineNo">215</span> return filter(level, currentContextData());<a name="line.215"></a>
<span class="sourceLineNo">216</span> }<a name="line.216"></a>
<span class="sourceLineNo">217</span><a name="line.217"></a>
<span class="sourceLineNo">218</span> @Override<a name="line.218"></a>
<span class="sourceLineNo">219</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.219"></a>
<span class="sourceLineNo">220</span> final Object p0, final Object p1, final Object p2, final Object p3,<a name="line.220"></a>
<span class="sourceLineNo">221</span> final Object p4, final Object p5, final Object p6,<a name="line.221"></a>
<span class="sourceLineNo">222</span> final Object p7, final Object p8) {<a name="line.222"></a>
<span class="sourceLineNo">223</span> return filter(level, currentContextData());<a name="line.223"></a>
<span class="sourceLineNo">224</span> }<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span> @Override<a name="line.226"></a>
<span class="sourceLineNo">227</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.227"></a>
<span class="sourceLineNo">228</span> final Object p0, final Object p1, final Object p2, final Object p3,<a name="line.228"></a>
<span class="sourceLineNo">229</span> final Object p4, final Object p5, final Object p6,<a name="line.229"></a>
<span class="sourceLineNo">230</span> final Object p7, final Object p8, final Object p9) {<a name="line.230"></a>
<span class="sourceLineNo">231</span> return filter(level, currentContextData());<a name="line.231"></a>
<span class="sourceLineNo">232</span> }<a name="line.232"></a>
<span class="sourceLineNo">233</span><a name="line.233"></a>
<span class="sourceLineNo">234</span> public String getKey() {<a name="line.234"></a>
<span class="sourceLineNo">235</span> return this.key;<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span> public Map&lt;String, Level&gt; getLevelMap() {<a name="line.238"></a>
<span class="sourceLineNo">239</span> return levelMap;<a name="line.239"></a>
<span class="sourceLineNo">240</span> }<a name="line.240"></a>
<span class="sourceLineNo">241</span><a name="line.241"></a>
<span class="sourceLineNo">242</span> @Override<a name="line.242"></a>
<span class="sourceLineNo">243</span> public int hashCode() {<a name="line.243"></a>
<span class="sourceLineNo">244</span> final int prime = 31;<a name="line.244"></a>
<span class="sourceLineNo">245</span> int result = super.hashCodeImpl();<a name="line.245"></a>
<span class="sourceLineNo">246</span> result = prime * result + ((defaultThreshold == null) ? 0 : defaultThreshold.hashCode());<a name="line.246"></a>
<span class="sourceLineNo">247</span> result = prime * result + ((key == null) ? 0 : key.hashCode());<a name="line.247"></a>
<span class="sourceLineNo">248</span> result = prime * result + ((levelMap == null) ? 0 : levelMap.hashCode());<a name="line.248"></a>
<span class="sourceLineNo">249</span> return result;<a name="line.249"></a>
<span class="sourceLineNo">250</span> }<a name="line.250"></a>
<span class="sourceLineNo">251</span><a name="line.251"></a>
<span class="sourceLineNo">252</span> @Override<a name="line.252"></a>
<span class="sourceLineNo">253</span> public String toString() {<a name="line.253"></a>
<span class="sourceLineNo">254</span> final StringBuilder sb = new StringBuilder();<a name="line.254"></a>
<span class="sourceLineNo">255</span> sb.append("key=").append(key);<a name="line.255"></a>
<span class="sourceLineNo">256</span> sb.append(", default=").append(defaultThreshold);<a name="line.256"></a>
<span class="sourceLineNo">257</span> if (levelMap.size() &gt; 0) {<a name="line.257"></a>
<span class="sourceLineNo">258</span> sb.append('{');<a name="line.258"></a>
<span class="sourceLineNo">259</span> boolean first = true;<a name="line.259"></a>
<span class="sourceLineNo">260</span> for (final Map.Entry&lt;String, Level&gt; entry : levelMap.entrySet()) {<a name="line.260"></a>
<span class="sourceLineNo">261</span> if (!first) {<a name="line.261"></a>
<span class="sourceLineNo">262</span> sb.append(", ");<a name="line.262"></a>
<span class="sourceLineNo">263</span> first = false;<a name="line.263"></a>
<span class="sourceLineNo">264</span> }<a name="line.264"></a>
<span class="sourceLineNo">265</span> sb.append(entry.getKey()).append('=').append(entry.getValue());<a name="line.265"></a>
<span class="sourceLineNo">266</span> }<a name="line.266"></a>
<span class="sourceLineNo">267</span> sb.append('}');<a name="line.267"></a>
<span class="sourceLineNo">268</span> }<a name="line.268"></a>
<span class="sourceLineNo">269</span> return sb.toString();<a name="line.269"></a>
<span class="sourceLineNo">270</span> }<a name="line.270"></a>
<span class="sourceLineNo">271</span>}<a name="line.271"></a>
</pre>
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