Added: websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/ProviderBuilder.html ============================================================================== --- websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/ProviderBuilder.html (added) +++ websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/ProviderBuilder.html Tue Aug 14 13:14:24 2018 @@ -0,0 +1,439 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span><a name="line.1">/*</a> +<span class="sourceLineNo">002</span><a name="line.2"> * Licensed to the Apache Software Foundation (ASF) under one or more</a> +<span class="sourceLineNo">003</span><a name="line.3"> * contributor license agreements. See the NOTICE file distributed with</a> +<span class="sourceLineNo">004</span><a name="line.4"> * this work for additional information regarding copyright ownership.</a> +<span class="sourceLineNo">005</span><a name="line.5"> * The ASF licenses this file to You under the Apache License, Version 2.0</a> +<span class="sourceLineNo">006</span><a name="line.6"> * (the "License"); you may not use this file except in compliance with</a> +<span class="sourceLineNo">007</span><a name="line.7"> * the License. You may obtain a copy of the License at</a> +<span class="sourceLineNo">008</span><a name="line.8"> *</a> +<span class="sourceLineNo">009</span><a name="line.9"> * http://www.apache.org/licenses/LICENSE-2.0</a> +<span class="sourceLineNo">010</span><a name="line.10"> *</a> +<span class="sourceLineNo">011</span><a name="line.11"> * Unless required by applicable law or agreed to in writing, software</a> +<span class="sourceLineNo">012</span><a name="line.12"> * distributed under the License is distributed on an "AS IS" BASIS,</a> +<span class="sourceLineNo">013</span><a name="line.13"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</a> +<span class="sourceLineNo">014</span><a name="line.14"> * See the License for the specific language governing permissions and</a> +<span class="sourceLineNo">015</span><a name="line.15"> * limitations under the License.</a> +<span class="sourceLineNo">016</span><a name="line.16"> */</a> +<span class="sourceLineNo">017</span><a name="line.17">package org.apache.commons.rng.simple.internal;</a> +<span class="sourceLineNo">018</span><a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19">import java.util.Arrays;</a> +<span class="sourceLineNo">020</span><a name="line.20">import java.util.List;</a> +<span class="sourceLineNo">021</span><a name="line.21">import java.util.ArrayList;</a> +<span class="sourceLineNo">022</span><a name="line.22">import java.util.Map;</a> +<span class="sourceLineNo">023</span><a name="line.23">import java.util.concurrent.ConcurrentHashMap;</a> +<span class="sourceLineNo">024</span><a name="line.24">import java.lang.reflect.Constructor;</a> +<span class="sourceLineNo">025</span><a name="line.25">import java.lang.reflect.InvocationTargetException;</a> +<span class="sourceLineNo">026</span><a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27">import org.apache.commons.rng.UniformRandomProvider;</a> +<span class="sourceLineNo">028</span><a name="line.28">import org.apache.commons.rng.RestorableUniformRandomProvider;</a> +<span class="sourceLineNo">029</span><a name="line.29">import org.apache.commons.rng.core.source32.JDKRandom;</a> +<span class="sourceLineNo">030</span><a name="line.30">import org.apache.commons.rng.core.source32.Well512a;</a> +<span class="sourceLineNo">031</span><a name="line.31">import org.apache.commons.rng.core.source32.Well1024a;</a> +<span class="sourceLineNo">032</span><a name="line.32">import org.apache.commons.rng.core.source32.Well19937a;</a> +<span class="sourceLineNo">033</span><a name="line.33">import org.apache.commons.rng.core.source32.Well19937c;</a> +<span class="sourceLineNo">034</span><a name="line.34">import org.apache.commons.rng.core.source32.Well44497a;</a> +<span class="sourceLineNo">035</span><a name="line.35">import org.apache.commons.rng.core.source32.Well44497b;</a> +<span class="sourceLineNo">036</span><a name="line.36">import org.apache.commons.rng.core.source32.ISAACRandom;</a> +<span class="sourceLineNo">037</span><a name="line.37">import org.apache.commons.rng.core.source32.MersenneTwister;</a> +<span class="sourceLineNo">038</span><a name="line.38">import org.apache.commons.rng.core.source32.MultiplyWithCarry256;</a> +<span class="sourceLineNo">039</span><a name="line.39">import org.apache.commons.rng.core.source32.KISSRandom;</a> +<span class="sourceLineNo">040</span><a name="line.40">import org.apache.commons.rng.core.source64.SplitMix64;</a> +<span class="sourceLineNo">041</span><a name="line.41">import org.apache.commons.rng.core.source64.XorShift1024Star;</a> +<span class="sourceLineNo">042</span><a name="line.42">import org.apache.commons.rng.core.source64.TwoCmres;</a> +<span class="sourceLineNo">043</span><a name="line.43">import org.apache.commons.rng.core.source64.MersenneTwister64;</a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span><a name="line.45">/**</a> +<span class="sourceLineNo">046</span><a name="line.46"> * RNG builder.</a> +<span class="sourceLineNo">047</span><a name="line.47"> * <p></a> +<span class="sourceLineNo">048</span><a name="line.48"> * It uses reflection to find the factory method of the RNG implementation,</a> +<span class="sourceLineNo">049</span><a name="line.49"> * and performs seed type conversions.</a> +<span class="sourceLineNo">050</span><a name="line.50"> * </p></a> +<span class="sourceLineNo">051</span><a name="line.51"> */</a> +<span class="sourceLineNo">052</span><a name="line.52">public final class ProviderBuilder {</a> +<span class="sourceLineNo">053</span><a name="line.53"> /** Error message. */</a> +<span class="sourceLineNo">054</span><a name="line.54"> private static final String INTERNAL_ERROR_MSG = "Internal error: Please file a bug report";</a> +<span class="sourceLineNo">055</span><a name="line.55"> /** Length of the seed array (for random seed). */</a> +<span class="sourceLineNo">056</span><a name="line.56"> private static final int RANDOM_SEED_ARRAY_SIZE = 128;</a> +<span class="sourceLineNo">057</span><a name="line.57"> /** Seed converter. */</a> +<span class="sourceLineNo">058</span><a name="line.58"> private static final Long2Int LONG_TO_INT = new Long2Int();</a> +<span class="sourceLineNo">059</span><a name="line.59"> /** Seed converter. */</a> +<span class="sourceLineNo">060</span><a name="line.60"> private static final Int2Long INT_TO_LONG = new Int2Long();</a> +<span class="sourceLineNo">061</span><a name="line.61"> /** Seed converter. */</a> +<span class="sourceLineNo">062</span><a name="line.62"> private static final Long2IntArray LONG_TO_INT_ARRAY = new Long2IntArray(RANDOM_SEED_ARRAY_SIZE);</a> +<span class="sourceLineNo">063</span><a name="line.63"> /** Seed converter. */</a> +<span class="sourceLineNo">064</span><a name="line.64"> private static final Long2LongArray LONG_TO_LONG_ARRAY = new Long2LongArray(RANDOM_SEED_ARRAY_SIZE);</a> +<span class="sourceLineNo">065</span><a name="line.65"> /** Seed converter. */</a> +<span class="sourceLineNo">066</span><a name="line.66"> private static final LongArray2Long LONG_ARRAY_TO_LONG = new LongArray2Long();</a> +<span class="sourceLineNo">067</span><a name="line.67"> /** Seed converter. */</a> +<span class="sourceLineNo">068</span><a name="line.68"> private static final IntArray2Int INT_ARRAY_TO_INT = new IntArray2Int();</a> +<span class="sourceLineNo">069</span><a name="line.69"> /** Seed converter. */</a> +<span class="sourceLineNo">070</span><a name="line.70"> private static final LongArray2IntArray LONG_ARRAY_TO_INT_ARRAY = new LongArray2IntArray();</a> +<span class="sourceLineNo">071</span><a name="line.71"> /** Seed converter. */</a> +<span class="sourceLineNo">072</span><a name="line.72"> private static final IntArray2LongArray INT_ARRAY_TO_LONG_ARRAY = new IntArray2LongArray();</a> +<span class="sourceLineNo">073</span><a name="line.73"> /** Seed converter. */</a> +<span class="sourceLineNo">074</span><a name="line.74"> private static final ByteArray2IntArray BYTE_ARRAY_TO_INT_ARRAY = new ByteArray2IntArray();</a> +<span class="sourceLineNo">075</span><a name="line.75"> /** Seed converter. */</a> +<span class="sourceLineNo">076</span><a name="line.76"> private static final ByteArray2LongArray BYTE_ARRAY_TO_LONG_ARRAY = new ByteArray2LongArray();</a> +<span class="sourceLineNo">077</span><a name="line.77"> /** Map to convert "Integer" seeds. */</a> +<span class="sourceLineNo">078</span><a name="line.78"> private static final Map<Class<?>, SeedConverter<Integer,?>> CONV_INT =</a> +<span class="sourceLineNo">079</span><a name="line.79"> new ConcurrentHashMap<Class<?>, SeedConverter<Integer,?>>();</a> +<span class="sourceLineNo">080</span><a name="line.80"> /** Map to convert "int[]" seeds. */</a> +<span class="sourceLineNo">081</span><a name="line.81"> private static final Map<Class<?>, SeedConverter<int[],?>> CONV_INT_ARRAY =</a> +<span class="sourceLineNo">082</span><a name="line.82"> new ConcurrentHashMap<Class<?>, SeedConverter<int[],?>>();</a> +<span class="sourceLineNo">083</span><a name="line.83"> /** Map to convert "Long" seeds. */</a> +<span class="sourceLineNo">084</span><a name="line.84"> private static final Map<Class<?>, SeedConverter<Long,?>> CONV_LONG =</a> +<span class="sourceLineNo">085</span><a name="line.85"> new ConcurrentHashMap<Class<?>, SeedConverter<Long,?>>();</a> +<span class="sourceLineNo">086</span><a name="line.86"> /** Map to convert "long[]" seeds. */</a> +<span class="sourceLineNo">087</span><a name="line.87"> private static final Map<Class<?>, SeedConverter<long[],?>> CONV_LONG_ARRAY =</a> +<span class="sourceLineNo">088</span><a name="line.88"> new ConcurrentHashMap<Class<?>, SeedConverter<long[],?>>();</a> +<span class="sourceLineNo">089</span><a name="line.89"> /** Map to convert "byte[]" seeds. */</a> +<span class="sourceLineNo">090</span><a name="line.90"> private static final Map<Class<?>, SeedConverter<byte[],?>> CONV_BYTE_ARRAY =</a> +<span class="sourceLineNo">091</span><a name="line.91"> new ConcurrentHashMap<Class<?>, SeedConverter<byte[],?>>();</a> +<span class="sourceLineNo">092</span><a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"> static {</a> +<span class="sourceLineNo">094</span><a name="line.94"> // Input seed type is "Long".</a> +<span class="sourceLineNo">095</span><a name="line.95"> // Key is the implementation's "native" seed type.</a> +<span class="sourceLineNo">096</span><a name="line.96"> CONV_LONG.put(Integer.class, LONG_TO_INT);</a> +<span class="sourceLineNo">097</span><a name="line.97"> CONV_LONG.put(Long.class, new NoOpConverter<Long>());</a> +<span class="sourceLineNo">098</span><a name="line.98"> CONV_LONG.put(int[].class, LONG_TO_INT_ARRAY);</a> +<span class="sourceLineNo">099</span><a name="line.99"> CONV_LONG.put(long[].class, LONG_TO_LONG_ARRAY);</a> +<span class="sourceLineNo">100</span><a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"> // Input seed type is "Integer".</a> +<span class="sourceLineNo">102</span><a name="line.102"> // Key is the implementation's "native" seed type.</a> +<span class="sourceLineNo">103</span><a name="line.103"> CONV_INT.put(Integer.class, new NoOpConverter<Integer>());</a> +<span class="sourceLineNo">104</span><a name="line.104"> CONV_INT.put(Long.class, INT_TO_LONG);</a> +<span class="sourceLineNo">105</span><a name="line.105"> CONV_INT.put(int[].class, new SeedConverterComposer<Integer,Long,int[]>(INT_TO_LONG, LONG_TO_INT_ARRAY));</a> +<span class="sourceLineNo">106</span><a name="line.106"> CONV_INT.put(long[].class, new SeedConverterComposer<Integer,Long,long[]>(INT_TO_LONG, LONG_TO_LONG_ARRAY));</a> +<span class="sourceLineNo">107</span><a name="line.107"></a> +<span class="sourceLineNo">108</span><a name="line.108"> // Input seed type is "int[]".</a> +<span class="sourceLineNo">109</span><a name="line.109"> // Key is the implementation's "native" seed type.</a> +<span class="sourceLineNo">110</span><a name="line.110"> CONV_INT_ARRAY.put(Integer.class, INT_ARRAY_TO_INT);</a> +<span class="sourceLineNo">111</span><a name="line.111"> CONV_INT_ARRAY.put(Long.class, new SeedConverterComposer<int[],Integer,Long>(INT_ARRAY_TO_INT, INT_TO_LONG));</a> +<span class="sourceLineNo">112</span><a name="line.112"> CONV_INT_ARRAY.put(int[].class, new NoOpConverter<int[]>());</a> +<span class="sourceLineNo">113</span><a name="line.113"> CONV_INT_ARRAY.put(long[].class, INT_ARRAY_TO_LONG_ARRAY);</a> +<span class="sourceLineNo">114</span><a name="line.114"></a> +<span class="sourceLineNo">115</span><a name="line.115"> // Input seed type is "long[]".</a> +<span class="sourceLineNo">116</span><a name="line.116"> // Key is the implementation's "native" seed type.</a> +<span class="sourceLineNo">117</span><a name="line.117"> CONV_LONG_ARRAY.put(Integer.class, new SeedConverterComposer<long[],Long,Integer>(LONG_ARRAY_TO_LONG, LONG_TO_INT));</a> +<span class="sourceLineNo">118</span><a name="line.118"> CONV_LONG_ARRAY.put(Long.class, LONG_ARRAY_TO_LONG);</a> +<span class="sourceLineNo">119</span><a name="line.119"> CONV_LONG_ARRAY.put(int[].class, LONG_ARRAY_TO_INT_ARRAY);</a> +<span class="sourceLineNo">120</span><a name="line.120"> CONV_LONG_ARRAY.put(long[].class, new NoOpConverter<long[]>());</a> +<span class="sourceLineNo">121</span><a name="line.121"></a> +<span class="sourceLineNo">122</span><a name="line.122"> // Input seed type is "byte[]".</a> +<span class="sourceLineNo">123</span><a name="line.123"> // Key is the implementation's "native" seed type.</a> +<span class="sourceLineNo">124</span><a name="line.124"> CONV_BYTE_ARRAY.put(Integer.class, new SeedConverterComposer<byte[],int[],Integer>(BYTE_ARRAY_TO_INT_ARRAY, INT_ARRAY_TO_INT));</a> +<span class="sourceLineNo">125</span><a name="line.125"> CONV_BYTE_ARRAY.put(Long.class, new SeedConverterComposer<byte[],long[],Long>(BYTE_ARRAY_TO_LONG_ARRAY, LONG_ARRAY_TO_LONG));</a> +<span class="sourceLineNo">126</span><a name="line.126"> CONV_BYTE_ARRAY.put(int[].class, BYTE_ARRAY_TO_INT_ARRAY);</a> +<span class="sourceLineNo">127</span><a name="line.127"> CONV_BYTE_ARRAY.put(long[].class, BYTE_ARRAY_TO_LONG_ARRAY);</a> +<span class="sourceLineNo">128</span><a name="line.128"> }</a> +<span class="sourceLineNo">129</span><a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"> /**</a> +<span class="sourceLineNo">131</span><a name="line.131"> * Class only contains static method.</a> +<span class="sourceLineNo">132</span><a name="line.132"> */</a> +<span class="sourceLineNo">133</span><a name="line.133"> private ProviderBuilder() {}</a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span><a name="line.135"> /**</a> +<span class="sourceLineNo">136</span><a name="line.136"> * Creates a RNG instance.</a> +<span class="sourceLineNo">137</span><a name="line.137"> *</a> +<span class="sourceLineNo">138</span><a name="line.138"> * @param source RNG specification.</a> +<span class="sourceLineNo">139</span><a name="line.139"> * @param seed Seed value. It can be {@code null} (in which case a</a> +<span class="sourceLineNo">140</span><a name="line.140"> * random value will be used).</a> +<span class="sourceLineNo">141</span><a name="line.141"> * @param args Additional arguments to the implementation's constructor.</a> +<span class="sourceLineNo">142</span><a name="line.142"> * @return a new RNG instance.</a> +<span class="sourceLineNo">143</span><a name="line.143"> * @throws UnsupportedOperationException if the seed type is invalid.</a> +<span class="sourceLineNo">144</span><a name="line.144"> */</a> +<span class="sourceLineNo">145</span><a name="line.145"> public static RestorableUniformRandomProvider create(RandomSourceInternal source,</a> +<span class="sourceLineNo">146</span><a name="line.146"> Object seed,</a> +<span class="sourceLineNo">147</span><a name="line.147"> Object[] args) {</a> +<span class="sourceLineNo">148</span><a name="line.148"> // Convert seed to native type.</a> +<span class="sourceLineNo">149</span><a name="line.149"> final Object nativeSeed = createSeed(source, seed);</a> +<span class="sourceLineNo">150</span><a name="line.150"></a> +<span class="sourceLineNo">151</span><a name="line.151"> // Build a single array with all the arguments to be passed</a> +<span class="sourceLineNo">152</span><a name="line.152"> // (in the right order) to the constructor.</a> +<span class="sourceLineNo">153</span><a name="line.153"> final List<Object> all = new ArrayList<Object>();</a> +<span class="sourceLineNo">154</span><a name="line.154"> all.add(nativeSeed);</a> +<span class="sourceLineNo">155</span><a name="line.155"> if (args != null) {</a> +<span class="sourceLineNo">156</span><a name="line.156"> all.addAll(Arrays.asList(args));</a> +<span class="sourceLineNo">157</span><a name="line.157"> }</a> +<span class="sourceLineNo">158</span><a name="line.158"></a> +<span class="sourceLineNo">159</span><a name="line.159"> // Instantiate.</a> +<span class="sourceLineNo">160</span><a name="line.160"> return create(createConstructor(source), all.toArray());</a> +<span class="sourceLineNo">161</span><a name="line.161"> }</a> +<span class="sourceLineNo">162</span><a name="line.162"></a> +<span class="sourceLineNo">163</span><a name="line.163"> /**</a> +<span class="sourceLineNo">164</span><a name="line.164"> * Creates a native seed from any of the supported seed types.</a> +<span class="sourceLineNo">165</span><a name="line.165"> *</a> +<span class="sourceLineNo">166</span><a name="line.166"> * @param source Source.</a> +<span class="sourceLineNo">167</span><a name="line.167"> * @param seed Input seed.</a> +<span class="sourceLineNo">168</span><a name="line.168"> * @return the native seed.</a> +<span class="sourceLineNo">169</span><a name="line.169"> * @throw UnsupportedOperationException if the {@code seed} type is invalid.</a> +<span class="sourceLineNo">170</span><a name="line.170"> */</a> +<span class="sourceLineNo">171</span><a name="line.171"> private static Object createSeed(RandomSourceInternal source,</a> +<span class="sourceLineNo">172</span><a name="line.172"> Object seed) {</a> +<span class="sourceLineNo">173</span><a name="line.173"> Object nativeSeed = null;</a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span><a name="line.175"> if (seed == null) {</a> +<span class="sourceLineNo">176</span><a name="line.176"> // Create a random seed of the appropriate native type.</a> +<span class="sourceLineNo">177</span><a name="line.177"></a> +<span class="sourceLineNo">178</span><a name="line.178"> if (source.getSeed().equals(Integer.class)) {</a> +<span class="sourceLineNo">179</span><a name="line.179"> nativeSeed = SeedFactory.createInt();</a> +<span class="sourceLineNo">180</span><a name="line.180"> } else if (source.getSeed().equals(Long.class)) {</a> +<span class="sourceLineNo">181</span><a name="line.181"> nativeSeed = SeedFactory.createLong();</a> +<span class="sourceLineNo">182</span><a name="line.182"> } else if (source.getSeed().equals(int[].class)) {</a> +<span class="sourceLineNo">183</span><a name="line.183"> nativeSeed = SeedFactory.createIntArray(RANDOM_SEED_ARRAY_SIZE);</a> +<span class="sourceLineNo">184</span><a name="line.184"> } else if (source.getSeed().equals(long[].class)) {</a> +<span class="sourceLineNo">185</span><a name="line.185"> nativeSeed = SeedFactory.createLongArray(RANDOM_SEED_ARRAY_SIZE);</a> +<span class="sourceLineNo">186</span><a name="line.186"> } else {</a> +<span class="sourceLineNo">187</span><a name="line.187"> // Source's native type is not handled.</a> +<span class="sourceLineNo">188</span><a name="line.188"> throw new IllegalStateException(INTERNAL_ERROR_MSG);</a> +<span class="sourceLineNo">189</span><a name="line.189"> }</a> +<span class="sourceLineNo">190</span><a name="line.190"> } else {</a> +<span class="sourceLineNo">191</span><a name="line.191"> // Convert to native type.</a> +<span class="sourceLineNo">192</span><a name="line.192"></a> +<span class="sourceLineNo">193</span><a name="line.193"> if (seed instanceof Integer) {</a> +<span class="sourceLineNo">194</span><a name="line.194"> nativeSeed = CONV_INT.get(source.getSeed()).convert((Integer) seed);</a> +<span class="sourceLineNo">195</span><a name="line.195"> } else if (seed instanceof Long) {</a> +<span class="sourceLineNo">196</span><a name="line.196"> nativeSeed = CONV_LONG.get(source.getSeed()).convert((Long) seed);</a> +<span class="sourceLineNo">197</span><a name="line.197"> } else if (seed instanceof int[]) {</a> +<span class="sourceLineNo">198</span><a name="line.198"> nativeSeed = CONV_INT_ARRAY.get(source.getSeed()).convert((int[]) seed);</a> +<span class="sourceLineNo">199</span><a name="line.199"> } else if (seed instanceof long[]) {</a> +<span class="sourceLineNo">200</span><a name="line.200"> nativeSeed = CONV_LONG_ARRAY.get(source.getSeed()).convert((long[]) seed);</a> +<span class="sourceLineNo">201</span><a name="line.201"> } else if (seed instanceof byte[]) {</a> +<span class="sourceLineNo">202</span><a name="line.202"> nativeSeed = CONV_BYTE_ARRAY.get(source.getSeed()).convert((byte[]) seed);</a> +<span class="sourceLineNo">203</span><a name="line.203"> }</a> +<span class="sourceLineNo">204</span><a name="line.204"></a> +<span class="sourceLineNo">205</span><a name="line.205"> if (nativeSeed == null) {</a> +<span class="sourceLineNo">206</span><a name="line.206"> // Since the input seed was not null, getting here means that</a> +<span class="sourceLineNo">207</span><a name="line.207"> // no suitable converter is present in the maps.</a> +<span class="sourceLineNo">208</span><a name="line.208"> throw new UnsupportedOperationException("Unrecognized seed type");</a> +<span class="sourceLineNo">209</span><a name="line.209"> }</a> +<span class="sourceLineNo">210</span><a name="line.210"></a> +<span class="sourceLineNo">211</span><a name="line.211"> if (!source.isNativeSeed(nativeSeed)) {</a> +<span class="sourceLineNo">212</span><a name="line.212"> // Conversion setup is wrong.</a> +<span class="sourceLineNo">213</span><a name="line.213"> throw new IllegalStateException(INTERNAL_ERROR_MSG);</a> +<span class="sourceLineNo">214</span><a name="line.214"> }</a> +<span class="sourceLineNo">215</span><a name="line.215"> }</a> +<span class="sourceLineNo">216</span><a name="line.216"></a> +<span class="sourceLineNo">217</span><a name="line.217"> return nativeSeed;</a> +<span class="sourceLineNo">218</span><a name="line.218"> }</a> +<span class="sourceLineNo">219</span><a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"> /**</a> +<span class="sourceLineNo">221</span><a name="line.221"> * Creates a constructor.</a> +<span class="sourceLineNo">222</span><a name="line.222"> *</a> +<span class="sourceLineNo">223</span><a name="line.223"> * @param source RNG specification.</a> +<span class="sourceLineNo">224</span><a name="line.224"> * @return a RNG constructor.</a> +<span class="sourceLineNo">225</span><a name="line.225"> */</a> +<span class="sourceLineNo">226</span><a name="line.226"> private static Constructor<?> createConstructor(RandomSourceInternal source) {</a> +<span class="sourceLineNo">227</span><a name="line.227"> try {</a> +<span class="sourceLineNo">228</span><a name="line.228"> return source.getRng().getConstructor(source.getArgs());</a> +<span class="sourceLineNo">229</span><a name="line.229"> } catch (NoSuchMethodException e) {</a> +<span class="sourceLineNo">230</span><a name="line.230"> // Info in "RandomSourceInternal" is inconsistent with the</a> +<span class="sourceLineNo">231</span><a name="line.231"> // constructor of the implementation.</a> +<span class="sourceLineNo">232</span><a name="line.232"> throw new IllegalStateException(INTERNAL_ERROR_MSG, e);</a> +<span class="sourceLineNo">233</span><a name="line.233"> }</a> +<span class="sourceLineNo">234</span><a name="line.234"> }</a> +<span class="sourceLineNo">235</span><a name="line.235"></a> +<span class="sourceLineNo">236</span><a name="line.236"> /**</a> +<span class="sourceLineNo">237</span><a name="line.237"> * Creates a RNG.</a> +<span class="sourceLineNo">238</span><a name="line.238"> *</a> +<span class="sourceLineNo">239</span><a name="line.239"> * @param rng RNG specification.</a> +<span class="sourceLineNo">240</span><a name="line.240"> * @param args Arguments to the implementation's constructor.</a> +<span class="sourceLineNo">241</span><a name="line.241"> * @return a new RNG instance.</a> +<span class="sourceLineNo">242</span><a name="line.242"> */</a> +<span class="sourceLineNo">243</span><a name="line.243"> private static RestorableUniformRandomProvider create(Constructor<?> rng,</a> +<span class="sourceLineNo">244</span><a name="line.244"> Object[] args) {</a> +<span class="sourceLineNo">245</span><a name="line.245"> try {</a> +<span class="sourceLineNo">246</span><a name="line.246"> return (RestorableUniformRandomProvider) rng.newInstance(args);</a> +<span class="sourceLineNo">247</span><a name="line.247"> } catch (InvocationTargetException e) {</a> +<span class="sourceLineNo">248</span><a name="line.248"> throw new IllegalStateException(INTERNAL_ERROR_MSG, e);</a> +<span class="sourceLineNo">249</span><a name="line.249"> } catch (InstantiationException e) {</a> +<span class="sourceLineNo">250</span><a name="line.250"> throw new IllegalStateException(INTERNAL_ERROR_MSG, e);</a> +<span class="sourceLineNo">251</span><a name="line.251"> } catch (IllegalAccessException e) {</a> +<span class="sourceLineNo">252</span><a name="line.252"> throw new IllegalStateException(INTERNAL_ERROR_MSG, e);</a> +<span class="sourceLineNo">253</span><a name="line.253"> }</a> +<span class="sourceLineNo">254</span><a name="line.254"> }</a> +<span class="sourceLineNo">255</span><a name="line.255"></a> +<span class="sourceLineNo">256</span><a name="line.256"> /**</a> +<span class="sourceLineNo">257</span><a name="line.257"> * Identifiers of the generators.</a> +<span class="sourceLineNo">258</span><a name="line.258"> */</a> +<span class="sourceLineNo">259</span><a name="line.259"> public enum RandomSourceInternal {</a> +<span class="sourceLineNo">260</span><a name="line.260"> /** Source of randomness is {@link JDKRandom}. */</a> +<span class="sourceLineNo">261</span><a name="line.261"> JDK(JDKRandom.class,</a> +<span class="sourceLineNo">262</span><a name="line.262"> Long.class),</a> +<span class="sourceLineNo">263</span><a name="line.263"> /** Source of randomness is {@link Well512a}. */</a> +<span class="sourceLineNo">264</span><a name="line.264"> WELL_512_A(Well512a.class,</a> +<span class="sourceLineNo">265</span><a name="line.265"> int[].class),</a> +<span class="sourceLineNo">266</span><a name="line.266"> /** Source of randomness is {@link Well1024a}. */</a> +<span class="sourceLineNo">267</span><a name="line.267"> WELL_1024_A(Well1024a.class,</a> +<span class="sourceLineNo">268</span><a name="line.268"> int[].class),</a> +<span class="sourceLineNo">269</span><a name="line.269"> /** Source of randomness is {@link Well19937a}. */</a> +<span class="sourceLineNo">270</span><a name="line.270"> WELL_19937_A(Well19937a.class,</a> +<span class="sourceLineNo">271</span><a name="line.271"> int[].class),</a> +<span class="sourceLineNo">272</span><a name="line.272"> /** Source of randomness is {@link Well19937c}. */</a> +<span class="sourceLineNo">273</span><a name="line.273"> WELL_19937_C(Well19937c.class,</a> +<span class="sourceLineNo">274</span><a name="line.274"> int[].class),</a> +<span class="sourceLineNo">275</span><a name="line.275"> /** Source of randomness is {@link Well44497a}. */</a> +<span class="sourceLineNo">276</span><a name="line.276"> WELL_44497_A(Well44497a.class,</a> +<span class="sourceLineNo">277</span><a name="line.277"> int[].class),</a> +<span class="sourceLineNo">278</span><a name="line.278"> /** Source of randomness is {@link Well44497b}. */</a> +<span class="sourceLineNo">279</span><a name="line.279"> WELL_44497_B(Well44497b.class,</a> +<span class="sourceLineNo">280</span><a name="line.280"> int[].class),</a> +<span class="sourceLineNo">281</span><a name="line.281"> /** Source of randomness is {@link MersenneTwister}. */</a> +<span class="sourceLineNo">282</span><a name="line.282"> MT(MersenneTwister.class,</a> +<span class="sourceLineNo">283</span><a name="line.283"> int[].class),</a> +<span class="sourceLineNo">284</span><a name="line.284"> /** Source of randomness is {@link ISAACRandom}. */</a> +<span class="sourceLineNo">285</span><a name="line.285"> ISAAC(ISAACRandom.class,</a> +<span class="sourceLineNo">286</span><a name="line.286"> int[].class),</a> +<span class="sourceLineNo">287</span><a name="line.287"> /** Source of randomness is {@link SplitMix64}. */</a> +<span class="sourceLineNo">288</span><a name="line.288"> SPLIT_MIX_64(SplitMix64.class,</a> +<span class="sourceLineNo">289</span><a name="line.289"> Long.class),</a> +<span class="sourceLineNo">290</span><a name="line.290"> /** Source of randomness is {@link XorShift1024Star}. */</a> +<span class="sourceLineNo">291</span><a name="line.291"> XOR_SHIFT_1024_S(XorShift1024Star.class,</a> +<span class="sourceLineNo">292</span><a name="line.292"> long[].class),</a> +<span class="sourceLineNo">293</span><a name="line.293"> /** Source of randomness is {@link TwoCmres}. */</a> +<span class="sourceLineNo">294</span><a name="line.294"> TWO_CMRES(TwoCmres.class,</a> +<span class="sourceLineNo">295</span><a name="line.295"> Integer.class),</a> +<span class="sourceLineNo">296</span><a name="line.296"> /**</a> +<span class="sourceLineNo">297</span><a name="line.297"> * Source of randomness is {@link TwoCmres} with explicit selection</a> +<span class="sourceLineNo">298</span><a name="line.298"> * of the two subcycle generators.</a> +<span class="sourceLineNo">299</span><a name="line.299"> */</a> +<span class="sourceLineNo">300</span><a name="line.300"> TWO_CMRES_SELECT(TwoCmres.class,</a> +<span class="sourceLineNo">301</span><a name="line.301"> Integer.class,</a> +<span class="sourceLineNo">302</span><a name="line.302"> Integer.TYPE,</a> +<span class="sourceLineNo">303</span><a name="line.303"> Integer.TYPE),</a> +<span class="sourceLineNo">304</span><a name="line.304"> /** Source of randomness is {@link MersenneTwister64}. */</a> +<span class="sourceLineNo">305</span><a name="line.305"> MT_64(MersenneTwister64.class,</a> +<span class="sourceLineNo">306</span><a name="line.306"> long[].class),</a> +<span class="sourceLineNo">307</span><a name="line.307"> /** Source of randomness is {@link MultiplyWithCarry256}. */</a> +<span class="sourceLineNo">308</span><a name="line.308"> MWC_256(MultiplyWithCarry256.class,</a> +<span class="sourceLineNo">309</span><a name="line.309"> int[].class),</a> +<span class="sourceLineNo">310</span><a name="line.310"> /** Source of randomness is {@link KISSRandom}. */</a> +<span class="sourceLineNo">311</span><a name="line.311"> KISS(KISSRandom.class,</a> +<span class="sourceLineNo">312</span><a name="line.312"> int[].class);</a> +<span class="sourceLineNo">313</span><a name="line.313"></a> +<span class="sourceLineNo">314</span><a name="line.314"> /** Source type. */</a> +<span class="sourceLineNo">315</span><a name="line.315"> private final Class<? extends UniformRandomProvider> rng;</a> +<span class="sourceLineNo">316</span><a name="line.316"> /** Data needed to build the generator. */</a> +<span class="sourceLineNo">317</span><a name="line.317"> private final Class<?>[] args;</a> +<span class="sourceLineNo">318</span><a name="line.318"></a> +<span class="sourceLineNo">319</span><a name="line.319"> /**</a> +<span class="sourceLineNo">320</span><a name="line.320"> * @param rng Source type.</a> +<span class="sourceLineNo">321</span><a name="line.321"> * @param args Data needed to create a generator instance.</a> +<span class="sourceLineNo">322</span><a name="line.322"> * The first element must be the native seed type.</a> +<span class="sourceLineNo">323</span><a name="line.323"> */</a> +<span class="sourceLineNo">324</span><a name="line.324"> RandomSourceInternal(Class<? extends UniformRandomProvider> rng,</a> +<span class="sourceLineNo">325</span><a name="line.325"> Class<?> ... args) {</a> +<span class="sourceLineNo">326</span><a name="line.326"> this.rng = rng;</a> +<span class="sourceLineNo">327</span><a name="line.327"> this.args = Arrays.copyOf(args, args.length);</a> +<span class="sourceLineNo">328</span><a name="line.328"> }</a> +<span class="sourceLineNo">329</span><a name="line.329"></a> +<span class="sourceLineNo">330</span><a name="line.330"> /**</a> +<span class="sourceLineNo">331</span><a name="line.331"> * @return the source type.</a> +<span class="sourceLineNo">332</span><a name="line.332"> */</a> +<span class="sourceLineNo">333</span><a name="line.333"> public Class<?> getRng() {</a> +<span class="sourceLineNo">334</span><a name="line.334"> return rng;</a> +<span class="sourceLineNo">335</span><a name="line.335"> }</a> +<span class="sourceLineNo">336</span><a name="line.336"></a> +<span class="sourceLineNo">337</span><a name="line.337"> /**</a> +<span class="sourceLineNo">338</span><a name="line.338"> * @return the seed type.</a> +<span class="sourceLineNo">339</span><a name="line.339"> */</a> +<span class="sourceLineNo">340</span><a name="line.340"> Class<?> getSeed() {</a> +<span class="sourceLineNo">341</span><a name="line.341"> return args[0];</a> +<span class="sourceLineNo">342</span><a name="line.342"> }</a> +<span class="sourceLineNo">343</span><a name="line.343"></a> +<span class="sourceLineNo">344</span><a name="line.344"> /**</a> +<span class="sourceLineNo">345</span><a name="line.345"> * @return the data needed to build the generator.</a> +<span class="sourceLineNo">346</span><a name="line.346"> */</a> +<span class="sourceLineNo">347</span><a name="line.347"> Class<?>[] getArgs() {</a> +<span class="sourceLineNo">348</span><a name="line.348"> return args;</a> +<span class="sourceLineNo">349</span><a name="line.349"> }</a> +<span class="sourceLineNo">350</span><a name="line.350"></a> +<span class="sourceLineNo">351</span><a name="line.351"> /**</a> +<span class="sourceLineNo">352</span><a name="line.352"> * Checks whether the type of given {@code seed} is the native type</a> +<span class="sourceLineNo">353</span><a name="line.353"> * of the implementation.</a> +<span class="sourceLineNo">354</span><a name="line.354"> *</a> +<span class="sourceLineNo">355</span><a name="line.355"> * @param <SEED> Seed type.</a> +<span class="sourceLineNo">356</span><a name="line.356"> *</a> +<span class="sourceLineNo">357</span><a name="line.357"> * @param seed Seed value.</a> +<span class="sourceLineNo">358</span><a name="line.358"> * @return {@code true} if the seed can be passed to the builder</a> +<span class="sourceLineNo">359</span><a name="line.359"> * for this RNG type.</a> +<span class="sourceLineNo">360</span><a name="line.360"> */</a> +<span class="sourceLineNo">361</span><a name="line.361"> public <SEED> boolean isNativeSeed(SEED seed) {</a> +<span class="sourceLineNo">362</span><a name="line.362"> return seed == null ?</a> +<span class="sourceLineNo">363</span><a name="line.363"> false :</a> +<span class="sourceLineNo">364</span><a name="line.364"> getSeed().equals(seed.getClass());</a> +<span class="sourceLineNo">365</span><a name="line.365"> }</a> +<span class="sourceLineNo">366</span><a name="line.366"> }</a> +<span class="sourceLineNo">367</span><a name="line.367">}</a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
Added: websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedConverter.html ============================================================================== --- websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedConverter.html (added) +++ websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedConverter.html Tue Aug 14 13:14:24 2018 @@ -0,0 +1,107 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span><a name="line.1">/*</a> +<span class="sourceLineNo">002</span><a name="line.2"> * Licensed to the Apache Software Foundation (ASF) under one or more</a> +<span class="sourceLineNo">003</span><a name="line.3"> * contributor license agreements. See the NOTICE file distributed with</a> +<span class="sourceLineNo">004</span><a name="line.4"> * this work for additional information regarding copyright ownership.</a> +<span class="sourceLineNo">005</span><a name="line.5"> * The ASF licenses this file to You under the Apache License, Version 2.0</a> +<span class="sourceLineNo">006</span><a name="line.6"> * (the "License"); you may not use this file except in compliance with</a> +<span class="sourceLineNo">007</span><a name="line.7"> * the License. You may obtain a copy of the License at</a> +<span class="sourceLineNo">008</span><a name="line.8"> *</a> +<span class="sourceLineNo">009</span><a name="line.9"> * http://www.apache.org/licenses/LICENSE-2.0</a> +<span class="sourceLineNo">010</span><a name="line.10"> *</a> +<span class="sourceLineNo">011</span><a name="line.11"> * Unless required by applicable law or agreed to in writing, software</a> +<span class="sourceLineNo">012</span><a name="line.12"> * distributed under the License is distributed on an "AS IS" BASIS,</a> +<span class="sourceLineNo">013</span><a name="line.13"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</a> +<span class="sourceLineNo">014</span><a name="line.14"> * See the License for the specific language governing permissions and</a> +<span class="sourceLineNo">015</span><a name="line.15"> * limitations under the License.</a> +<span class="sourceLineNo">016</span><a name="line.16"> */</a> +<span class="sourceLineNo">017</span><a name="line.17">package org.apache.commons.rng.simple.internal;</a> +<span class="sourceLineNo">018</span><a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19">/**</a> +<span class="sourceLineNo">020</span><a name="line.20"> * Seed converter.</a> +<span class="sourceLineNo">021</span><a name="line.21"> *</a> +<span class="sourceLineNo">022</span><a name="line.22"> * @param <IN> Input seed type.</a> +<span class="sourceLineNo">023</span><a name="line.23"> * @param <OUT> Output seed type.</a> +<span class="sourceLineNo">024</span><a name="line.24"> *</a> +<span class="sourceLineNo">025</span><a name="line.25"> * @since 1.0</a> +<span class="sourceLineNo">026</span><a name="line.26"> */</a> +<span class="sourceLineNo">027</span><a name="line.27">public interface SeedConverter<IN, OUT> {</a> +<span class="sourceLineNo">028</span><a name="line.28"> /**</a> +<span class="sourceLineNo">029</span><a name="line.29"> * Converts seed from input type to output type.</a> +<span class="sourceLineNo">030</span><a name="line.30"> *</a> +<span class="sourceLineNo">031</span><a name="line.31"> * @param seed Original seed value.</a> +<span class="sourceLineNo">032</span><a name="line.32"> * @return the converted seed value.</a> +<span class="sourceLineNo">033</span><a name="line.33"> */</a> +<span class="sourceLineNo">034</span><a name="line.34"> OUT convert(IN seed);</a> +<span class="sourceLineNo">035</span><a name="line.35">}</a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> Added: websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedConverterComposer.html ============================================================================== --- websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedConverterComposer.html (added) +++ websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedConverterComposer.html Tue Aug 14 13:14:24 2018 @@ -0,0 +1,122 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span><a name="line.1">/*</a> +<span class="sourceLineNo">002</span><a name="line.2"> * Licensed to the Apache Software Foundation (ASF) under one or more</a> +<span class="sourceLineNo">003</span><a name="line.3"> * contributor license agreements. See the NOTICE file distributed with</a> +<span class="sourceLineNo">004</span><a name="line.4"> * this work for additional information regarding copyright ownership.</a> +<span class="sourceLineNo">005</span><a name="line.5"> * The ASF licenses this file to You under the Apache License, Version 2.0</a> +<span class="sourceLineNo">006</span><a name="line.6"> * (the "License"); you may not use this file except in compliance with</a> +<span class="sourceLineNo">007</span><a name="line.7"> * the License. You may obtain a copy of the License at</a> +<span class="sourceLineNo">008</span><a name="line.8"> *</a> +<span class="sourceLineNo">009</span><a name="line.9"> * http://www.apache.org/licenses/LICENSE-2.0</a> +<span class="sourceLineNo">010</span><a name="line.10"> *</a> +<span class="sourceLineNo">011</span><a name="line.11"> * Unless required by applicable law or agreed to in writing, software</a> +<span class="sourceLineNo">012</span><a name="line.12"> * distributed under the License is distributed on an "AS IS" BASIS,</a> +<span class="sourceLineNo">013</span><a name="line.13"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</a> +<span class="sourceLineNo">014</span><a name="line.14"> * See the License for the specific language governing permissions and</a> +<span class="sourceLineNo">015</span><a name="line.15"> * limitations under the License.</a> +<span class="sourceLineNo">016</span><a name="line.16"> */</a> +<span class="sourceLineNo">017</span><a name="line.17">package org.apache.commons.rng.simple.internal;</a> +<span class="sourceLineNo">018</span><a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19">/**</a> +<span class="sourceLineNo">020</span><a name="line.20"> * Composes two {@link SeedConverter converters}.</a> +<span class="sourceLineNo">021</span><a name="line.21"> *</a> +<span class="sourceLineNo">022</span><a name="line.22"> * @param <IN> Input seed type.</a> +<span class="sourceLineNo">023</span><a name="line.23"> * @param <TRANS> Transitional seed type.</a> +<span class="sourceLineNo">024</span><a name="line.24"> * @param <OUT> Output seed type.</a> +<span class="sourceLineNo">025</span><a name="line.25"> *</a> +<span class="sourceLineNo">026</span><a name="line.26"> * @since 1.0</a> +<span class="sourceLineNo">027</span><a name="line.27"> */</a> +<span class="sourceLineNo">028</span><a name="line.28">public class SeedConverterComposer<IN, TRANS, OUT> implements SeedConverter<IN, OUT> {</a> +<span class="sourceLineNo">029</span><a name="line.29"> /** First conversion. */</a> +<span class="sourceLineNo">030</span><a name="line.30"> private final SeedConverter<IN, TRANS> first;</a> +<span class="sourceLineNo">031</span><a name="line.31"> /** Second conversion. */</a> +<span class="sourceLineNo">032</span><a name="line.32"> private final SeedConverter<TRANS, OUT> second;</a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span><a name="line.34"> /**</a> +<span class="sourceLineNo">035</span><a name="line.35"> * @param first First conversion.</a> +<span class="sourceLineNo">036</span><a name="line.36"> * @param second second conversion.</a> +<span class="sourceLineNo">037</span><a name="line.37"> */</a> +<span class="sourceLineNo">038</span><a name="line.38"> public SeedConverterComposer(SeedConverter<IN, TRANS> first,</a> +<span class="sourceLineNo">039</span><a name="line.39"> SeedConverter<TRANS, OUT> second) {</a> +<span class="sourceLineNo">040</span><a name="line.40"> this.first = first;</a> +<span class="sourceLineNo">041</span><a name="line.41"> this.second = second;</a> +<span class="sourceLineNo">042</span><a name="line.42"> }</a> +<span class="sourceLineNo">043</span><a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"> /** {@inheritDoc} */</a> +<span class="sourceLineNo">045</span><a name="line.45"> @Override</a> +<span class="sourceLineNo">046</span><a name="line.46"> public OUT convert(IN seed) {</a> +<span class="sourceLineNo">047</span><a name="line.47"> final TRANS trans = first.convert(seed);</a> +<span class="sourceLineNo">048</span><a name="line.48"> return second.convert(trans);</a> +<span class="sourceLineNo">049</span><a name="line.49"> }</a> +<span class="sourceLineNo">050</span><a name="line.50">}</a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> Added: websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedFactory.html ============================================================================== --- websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedFactory.html (added) +++ websites/production/commons/content/proper/commons-rng/commons-rng-simple/javadocs/api-1.1/src-html/org/apache/commons/rng/simple/internal/SeedFactory.html Tue Aug 14 13:14:24 2018 @@ -0,0 +1,335 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span><a name="line.1">/*</a> +<span class="sourceLineNo">002</span><a name="line.2"> * Licensed to the Apache Software Foundation (ASF) under one or more</a> +<span class="sourceLineNo">003</span><a name="line.3"> * contributor license agreements. See the NOTICE file distributed with</a> +<span class="sourceLineNo">004</span><a name="line.4"> * this work for additional information regarding copyright ownership.</a> +<span class="sourceLineNo">005</span><a name="line.5"> * The ASF licenses this file to You under the Apache License, Version 2.0</a> +<span class="sourceLineNo">006</span><a name="line.6"> * (the "License"); you may not use this file except in compliance with</a> +<span class="sourceLineNo">007</span><a name="line.7"> * the License. You may obtain a copy of the License at</a> +<span class="sourceLineNo">008</span><a name="line.8"> *</a> +<span class="sourceLineNo">009</span><a name="line.9"> * http://www.apache.org/licenses/LICENSE-2.0</a> +<span class="sourceLineNo">010</span><a name="line.10"> *</a> +<span class="sourceLineNo">011</span><a name="line.11"> * Unless required by applicable law or agreed to in writing, software</a> +<span class="sourceLineNo">012</span><a name="line.12"> * distributed under the License is distributed on an "AS IS" BASIS,</a> +<span class="sourceLineNo">013</span><a name="line.13"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</a> +<span class="sourceLineNo">014</span><a name="line.14"> * See the License for the specific language governing permissions and</a> +<span class="sourceLineNo">015</span><a name="line.15"> * limitations under the License.</a> +<span class="sourceLineNo">016</span><a name="line.16"> */</a> +<span class="sourceLineNo">017</span><a name="line.17">package org.apache.commons.rng.simple.internal;</a> +<span class="sourceLineNo">018</span><a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19">import org.apache.commons.rng.core.util.NumberFactory;</a> +<span class="sourceLineNo">020</span><a name="line.20">import org.apache.commons.rng.core.source32.RandomIntSource;</a> +<span class="sourceLineNo">021</span><a name="line.21">import org.apache.commons.rng.core.source32.Well44497b;</a> +<span class="sourceLineNo">022</span><a name="line.22">import org.apache.commons.rng.core.source64.RandomLongSource;</a> +<span class="sourceLineNo">023</span><a name="line.23">import org.apache.commons.rng.core.source64.SplitMix64;</a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span><a name="line.25">/**</a> +<span class="sourceLineNo">026</span><a name="line.26"> * Utilities related to seeding.</a> +<span class="sourceLineNo">027</span><a name="line.27"> *</a> +<span class="sourceLineNo">028</span><a name="line.28"> * <p></a> +<span class="sourceLineNo">029</span><a name="line.29"> * This class provides methods to generate random seeds (single values</a> +<span class="sourceLineNo">030</span><a name="line.30"> * or arrays of values, of {@code int} or {@code long} types) that can</a> +<span class="sourceLineNo">031</span><a name="line.31"> * be passed to the {@link org.apache.commons.rng.simple.RandomSource</a> +<span class="sourceLineNo">032</span><a name="line.32"> * methods that create a generator instance}.</a> +<span class="sourceLineNo">033</span><a name="line.33"> * <br></a> +<span class="sourceLineNo">034</span><a name="line.34"> * Although the seed-generating methods defined in this class will likely</a> +<span class="sourceLineNo">035</span><a name="line.35"> * return different values for all calls, there is no guarantee that the</a> +<span class="sourceLineNo">036</span><a name="line.36"> * produced seed will result always in a "good" sequence of numbers (even</a> +<span class="sourceLineNo">037</span><a name="line.37"> * if the generator initialized with that seed is good).</a> +<span class="sourceLineNo">038</span><a name="line.38"> * <br></a> +<span class="sourceLineNo">039</span><a name="line.39"> * There is <i>no guarantee</i> that sequences will not overlap.</a> +<span class="sourceLineNo">040</span><a name="line.40"> * </p></a> +<span class="sourceLineNo">041</span><a name="line.41"> *</a> +<span class="sourceLineNo">042</span><a name="line.42"> * @since 1.0</a> +<span class="sourceLineNo">043</span><a name="line.43"> */</a> +<span class="sourceLineNo">044</span><a name="line.44">public final class SeedFactory {</a> +<span class="sourceLineNo">045</span><a name="line.45"> /** Generator with a long period. */</a> +<span class="sourceLineNo">046</span><a name="line.46"> private static final RandomIntSource SEED_GENERATOR;</a> +<span class="sourceLineNo">047</span><a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"> static {</a> +<span class="sourceLineNo">049</span><a name="line.49"> // Another RNG for initializing the "SEED_GENERATOR".</a> +<span class="sourceLineNo">050</span><a name="line.50"> final long t = System.currentTimeMillis();</a> +<span class="sourceLineNo">051</span><a name="line.51"> final int h = System.identityHashCode(Runtime.getRuntime());</a> +<span class="sourceLineNo">052</span><a name="line.52"> final SplitMix64 rng = new SplitMix64(t ^ NumberFactory.makeLong(h, ~h));</a> +<span class="sourceLineNo">053</span><a name="line.53"></a> +<span class="sourceLineNo">054</span><a name="line.54"> final int blockCount = 1391; // Size of the state array of "Well44497b".</a> +<span class="sourceLineNo">055</span><a name="line.55"> SEED_GENERATOR = new Well44497b(createIntArray(blockCount, rng));</a> +<span class="sourceLineNo">056</span><a name="line.56"> }</a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span><a name="line.58"> /**</a> +<span class="sourceLineNo">059</span><a name="line.59"> * Class contains only static methods.</a> +<span class="sourceLineNo">060</span><a name="line.60"> */</a> +<span class="sourceLineNo">061</span><a name="line.61"> private SeedFactory() {}</a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"> /**</a> +<span class="sourceLineNo">064</span><a name="line.64"> * Creates a number for use as a seed.</a> +<span class="sourceLineNo">065</span><a name="line.65"> *</a> +<span class="sourceLineNo">066</span><a name="line.66"> * @return a random number.</a> +<span class="sourceLineNo">067</span><a name="line.67"> */</a> +<span class="sourceLineNo">068</span><a name="line.68"> public static int createInt() {</a> +<span class="sourceLineNo">069</span><a name="line.69"> return createInt(SEED_GENERATOR, System.identityHashCode(new Object()));</a> +<span class="sourceLineNo">070</span><a name="line.70"> }</a> +<span class="sourceLineNo">071</span><a name="line.71"></a> +<span class="sourceLineNo">072</span><a name="line.72"> /**</a> +<span class="sourceLineNo">073</span><a name="line.73"> * Creates a number for use as a seed.</a> +<span class="sourceLineNo">074</span><a name="line.74"> *</a> +<span class="sourceLineNo">075</span><a name="line.75"> * @return a random number.</a> +<span class="sourceLineNo">076</span><a name="line.76"> */</a> +<span class="sourceLineNo">077</span><a name="line.77"> public static long createLong() {</a> +<span class="sourceLineNo">078</span><a name="line.78"> return createLong(SEED_GENERATOR, System.identityHashCode(new Object()));</a> +<span class="sourceLineNo">079</span><a name="line.79"> }</a> +<span class="sourceLineNo">080</span><a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"> /**</a> +<span class="sourceLineNo">082</span><a name="line.82"> * Creates an array of numbers for use as a seed.</a> +<span class="sourceLineNo">083</span><a name="line.83"> *</a> +<span class="sourceLineNo">084</span><a name="line.84"> * @param n Size of the array to create.</a> +<span class="sourceLineNo">085</span><a name="line.85"> * @return an array of {@code n} random numbers.</a> +<span class="sourceLineNo">086</span><a name="line.86"> */</a> +<span class="sourceLineNo">087</span><a name="line.87"> public static int[] createIntArray(int n) {</a> +<span class="sourceLineNo">088</span><a name="line.88"> return createIntArray(n, SEED_GENERATOR, new Object());</a> +<span class="sourceLineNo">089</span><a name="line.89"> }</a> +<span class="sourceLineNo">090</span><a name="line.90"></a> +<span class="sourceLineNo">091</span><a name="line.91"> /**</a> +<span class="sourceLineNo">092</span><a name="line.92"> * Creates an array of numbers for use as a seed.</a> +<span class="sourceLineNo">093</span><a name="line.93"> *</a> +<span class="sourceLineNo">094</span><a name="line.94"> * @param n Size of the array to create.</a> +<span class="sourceLineNo">095</span><a name="line.95"> * @return an array of {@code n} random numbers.</a> +<span class="sourceLineNo">096</span><a name="line.96"> */</a> +<span class="sourceLineNo">097</span><a name="line.97"> public static long[] createLongArray(int n) {</a> +<span class="sourceLineNo">098</span><a name="line.98"> return createLongArray(n, SEED_GENERATOR, new Object());</a> +<span class="sourceLineNo">099</span><a name="line.99"> }</a> +<span class="sourceLineNo">100</span><a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"> /**</a> +<span class="sourceLineNo">102</span><a name="line.102"> * Creates an array of numbers for use as a seed.</a> +<span class="sourceLineNo">103</span><a name="line.103"> *</a> +<span class="sourceLineNo">104</span><a name="line.104"> * @param n Size of the array to create.</a> +<span class="sourceLineNo">105</span><a name="line.105"> * @param source Source of randomness.</a> +<span class="sourceLineNo">106</span><a name="line.106"> * @return an array of {@code n} random numbers drawn from the</a> +<span class="sourceLineNo">107</span><a name="line.107"> * {@code source}.</a> +<span class="sourceLineNo">108</span><a name="line.108"> */</a> +<span class="sourceLineNo">109</span><a name="line.109"> static long[] createLongArray(int n,</a> +<span class="sourceLineNo">110</span><a name="line.110"> RandomIntSource source) {</a> +<span class="sourceLineNo">111</span><a name="line.111"> return createLongArray(n, source, null);</a> +<span class="sourceLineNo">112</span><a name="line.112"> }</a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span><a name="line.114"> /**</a> +<span class="sourceLineNo">115</span><a name="line.115"> * Creates an array of numbers for use as a seed.</a> +<span class="sourceLineNo">116</span><a name="line.116"> *</a> +<span class="sourceLineNo">117</span><a name="line.117"> * @param n Size of the array to create.</a> +<span class="sourceLineNo">118</span><a name="line.118"> * @param source Source of randomness.</a> +<span class="sourceLineNo">119</span><a name="line.119"> * @return an array of {@code n} random numbers drawn from the</a> +<span class="sourceLineNo">120</span><a name="line.120"> * {@code source}.</a> +<span class="sourceLineNo">121</span><a name="line.121"> */</a> +<span class="sourceLineNo">122</span><a name="line.122"> static int[] createIntArray(int n,</a> +<span class="sourceLineNo">123</span><a name="line.123"> RandomLongSource source) {</a> +<span class="sourceLineNo">124</span><a name="line.124"> return createIntArray(n, source, null);</a> +<span class="sourceLineNo">125</span><a name="line.125"> }</a> +<span class="sourceLineNo">126</span><a name="line.126"></a> +<span class="sourceLineNo">127</span><a name="line.127"> /**</a> +<span class="sourceLineNo">128</span><a name="line.128"> * Creates an array of numbers for use as a seed.</a> +<span class="sourceLineNo">129</span><a name="line.129"> *</a> +<span class="sourceLineNo">130</span><a name="line.130"> * @param n Size of the array to create.</a> +<span class="sourceLineNo">131</span><a name="line.131"> * @param source Source of randomness.</a> +<span class="sourceLineNo">132</span><a name="line.132"> * @return an array of {@code n} random numbers drawn from the</a> +<span class="sourceLineNo">133</span><a name="line.133"> * {@code source}.</a> +<span class="sourceLineNo">134</span><a name="line.134"> */</a> +<span class="sourceLineNo">135</span><a name="line.135"> static int[] createIntArray(int n,</a> +<span class="sourceLineNo">136</span><a name="line.136"> RandomIntSource source) {</a> +<span class="sourceLineNo">137</span><a name="line.137"> return createIntArray(n, source, null);</a> +<span class="sourceLineNo">138</span><a name="line.138"> }</a> +<span class="sourceLineNo">139</span><a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"> /**</a> +<span class="sourceLineNo">141</span><a name="line.141"> * Creates an array of numbers for use as a seed.</a> +<span class="sourceLineNo">142</span><a name="line.142"> *</a> +<span class="sourceLineNo">143</span><a name="line.143"> * @param n Size of the array to create.</a> +<span class="sourceLineNo">144</span><a name="line.144"> * @param source Source of randomness.</a> +<span class="sourceLineNo">145</span><a name="line.145"> * @param h Arbitrary object whose {@link System#identityHashCode(Object)</a> +<span class="sourceLineNo">146</span><a name="line.146"> * hash code} will be combined with the next number drawn from</a> +<span class="sourceLineNo">147</span><a name="line.147"> * the {@code source}.</a> +<span class="sourceLineNo">148</span><a name="line.148"> * @return an array of {@code n} random numbers.</a> +<span class="sourceLineNo">149</span><a name="line.149"> */</a> +<span class="sourceLineNo">150</span><a name="line.150"> private static long[] createLongArray(int n,</a> +<span class="sourceLineNo">151</span><a name="line.151"> RandomIntSource source,</a> +<span class="sourceLineNo">152</span><a name="line.152"> Object h) {</a> +<span class="sourceLineNo">153</span><a name="line.153"> final long[] array = new long[n];</a> +<span class="sourceLineNo">154</span><a name="line.154"></a> +<span class="sourceLineNo">155</span><a name="line.155"> final int hash = System.identityHashCode(h);</a> +<span class="sourceLineNo">156</span><a name="line.156"> for (int i = 0; i < n; i++) {</a> +<span class="sourceLineNo">157</span><a name="line.157"> array[i] = createLong(source, hash);</a> +<span class="sourceLineNo">158</span><a name="line.158"> }</a> +<span class="sourceLineNo">159</span><a name="line.159"></a> +<span class="sourceLineNo">160</span><a name="line.160"> return array;</a> +<span class="sourceLineNo">161</span><a name="line.161"> }</a> +<span class="sourceLineNo">162</span><a name="line.162"></a> +<span class="sourceLineNo">163</span><a name="line.163"> /**</a> +<span class="sourceLineNo">164</span><a name="line.164"> * Creates an array of numbers for use as a seed.</a> +<span class="sourceLineNo">165</span><a name="line.165"> *</a> +<span class="sourceLineNo">166</span><a name="line.166"> * @param n Size of the array to create.</a> +<span class="sourceLineNo">167</span><a name="line.167"> * @param source Source of randomness.</a> +<span class="sourceLineNo">168</span><a name="line.168"> * @param h Arbitrary object whose {@link System#identityHashCode(Object)</a> +<span class="sourceLineNo">169</span><a name="line.169"> * hash code} will be combined with the next number drawn from</a> +<span class="sourceLineNo">170</span><a name="line.170"> * the {@code source}.</a> +<span class="sourceLineNo">171</span><a name="line.171"> * @return an array of {@code n} random numbers.</a> +<span class="sourceLineNo">172</span><a name="line.172"> */</a> +<span class="sourceLineNo">173</span><a name="line.173"> private static int[] createIntArray(int n,</a> +<span class="sourceLineNo">174</span><a name="line.174"> RandomLongSource source,</a> +<span class="sourceLineNo">175</span><a name="line.175"> Object h) {</a> +<span class="sourceLineNo">176</span><a name="line.176"> final int[] array = new int[n];</a> +<span class="sourceLineNo">177</span><a name="line.177"></a> +<span class="sourceLineNo">178</span><a name="line.178"> final int hash = System.identityHashCode(h);</a> +<span class="sourceLineNo">179</span><a name="line.179"> for (int i = 0; i < n; i += 2) {</a> +<span class="sourceLineNo">180</span><a name="line.180"> final long v = createLong(source, hash);</a> +<span class="sourceLineNo">181</span><a name="line.181"></a> +<span class="sourceLineNo">182</span><a name="line.182"> array[i] = NumberFactory.extractHi(v);</a> +<span class="sourceLineNo">183</span><a name="line.183"></a> +<span class="sourceLineNo">184</span><a name="line.184"> if (i + 1 < n) {</a> +<span class="sourceLineNo">185</span><a name="line.185"> array[i + 1] = NumberFactory.extractLo(v);</a> +<span class="sourceLineNo">186</span><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><a name="line.189"> return array;</a> +<span class="sourceLineNo">190</span><a name="line.190"> }</a> +<span class="sourceLineNo">191</span><a name="line.191"></a> +<span class="sourceLineNo">192</span><a name="line.192"> /**</a> +<span class="sourceLineNo">193</span><a name="line.193"> * Creates an array of numbers for use as a seed.</a> +<span class="sourceLineNo">194</span><a name="line.194"> *</a> +<span class="sourceLineNo">195</span><a name="line.195"> * @param n Size of the array to create.</a> +<span class="sourceLineNo">196</span><a name="line.196"> * @param source Source of randomness.</a> +<span class="sourceLineNo">197</span><a name="line.197"> * @param h Arbitrary object whose {@link System#identityHashCode(Object)</a> +<span class="sourceLineNo">198</span><a name="line.198"> * hash code} will be combined with the next number drawn from</a> +<span class="sourceLineNo">199</span><a name="line.199"> * the {@code source}.</a> +<span class="sourceLineNo">200</span><a name="line.200"> * @return an array of {@code n} random numbers.</a> +<span class="sourceLineNo">201</span><a name="line.201"> */</a> +<span class="sourceLineNo">202</span><a name="line.202"> private static int[] createIntArray(int n,</a> +<span class="sourceLineNo">203</span><a name="line.203"> RandomIntSource source,</a> +<span class="sourceLineNo">204</span><a name="line.204"> Object h) {</a> +<span class="sourceLineNo">205</span><a name="line.205"> final int[] array = new int[n];</a> +<span class="sourceLineNo">206</span><a name="line.206"></a> +<span class="sourceLineNo">207</span><a name="line.207"> final int hash = System.identityHashCode(h);</a> +<span class="sourceLineNo">208</span><a name="line.208"> for (int i = 0; i < n; i++) {</a> +<span class="sourceLineNo">209</span><a name="line.209"> array[i] = createInt(source, hash);</a> +<span class="sourceLineNo">210</span><a name="line.210"> }</a> +<span class="sourceLineNo">211</span><a name="line.211"></a> +<span class="sourceLineNo">212</span><a name="line.212"> return array;</a> +<span class="sourceLineNo">213</span><a name="line.213"> }</a> +<span class="sourceLineNo">214</span><a name="line.214"></a> +<span class="sourceLineNo">215</span><a name="line.215"> /**</a> +<span class="sourceLineNo">216</span><a name="line.216"> * Creates a random number by performing an "xor" between the</a> +<span class="sourceLineNo">217</span><a name="line.217"> * next value in the sequence of the {@code source} and the</a> +<span class="sourceLineNo">218</span><a name="line.218"> * given {@code number}.</a> +<span class="sourceLineNo">219</span><a name="line.219"> *</a> +<span class="sourceLineNo">220</span><a name="line.220"> * @param source Source of randomness.</a> +<span class="sourceLineNo">221</span><a name="line.221"> * @param number Arbitrary number.</a> +<span class="sourceLineNo">222</span><a name="line.222"> * @return a random number.</a> +<span class="sourceLineNo">223</span><a name="line.223"> */</a> +<span class="sourceLineNo">224</span><a name="line.224"> private static long createLong(RandomLongSource source,</a> +<span class="sourceLineNo">225</span><a name="line.225"> int number) {</a> +<span class="sourceLineNo">226</span><a name="line.226"> synchronized (source) {</a> +<span class="sourceLineNo">227</span><a name="line.227"> return source.next() ^ NumberFactory.makeLong(number, number);</a> +<span class="sourceLineNo">228</span><a name="line.228"> }</a> +<span class="sourceLineNo">229</span><a name="line.229"> }</a> +<span class="sourceLineNo">230</span><a name="line.230"></a> +<span class="sourceLineNo">231</span><a name="line.231"> /**</a> +<span class="sourceLineNo">232</span><a name="line.232"> * Creates a random number by performing an "xor" between the</a> +<span class="sourceLineNo">233</span><a name="line.233"> * the next value in the sequence of the {@code source} and the</a> +<span class="sourceLineNo">234</span><a name="line.234"> * given {@code number}.</a> +<span class="sourceLineNo">235</span><a name="line.235"> *</a> +<span class="sourceLineNo">236</span><a name="line.236"> * @param source Source of randomness.</a> +<span class="sourceLineNo">237</span><a name="line.237"> * @param number Arbitrary number.</a> +<span class="sourceLineNo">238</span><a name="line.238"> * @return a random number.</a> +<span class="sourceLineNo">239</span><a name="line.239"> */</a> +<span class="sourceLineNo">240</span><a name="line.240"> private static long createLong(RandomIntSource source,</a> +<span class="sourceLineNo">241</span><a name="line.241"> int number) {</a> +<span class="sourceLineNo">242</span><a name="line.242"> synchronized (source) {</a> +<span class="sourceLineNo">243</span><a name="line.243"> return NumberFactory.makeLong(source.next() ^ number,</a> +<span class="sourceLineNo">244</span><a name="line.244"> source.next() ^ number);</a> +<span class="sourceLineNo">245</span><a name="line.245"> }</a> +<span class="sourceLineNo">246</span><a name="line.246"> }</a> +<span class="sourceLineNo">247</span><a name="line.247"></a> +<span class="sourceLineNo">248</span><a name="line.248"> /**</a> +<span class="sourceLineNo">249</span><a name="line.249"> * Creates a random number by performing an "xor" between the</a> +<span class="sourceLineNo">250</span><a name="line.250"> * next value in the sequence of the {@code source} and the</a> +<span class="sourceLineNo">251</span><a name="line.251"> * given {@code number}.</a> +<span class="sourceLineNo">252</span><a name="line.252"> *</a> +<span class="sourceLineNo">253</span><a name="line.253"> * @param source Source of randomness.</a> +<span class="sourceLineNo">254</span><a name="line.254"> * @param number Arbitrary number.</a> +<span class="sourceLineNo">255</span><a name="line.255"> * @return a random number.</a> +<span class="sourceLineNo">256</span><a name="line.256"> */</a> +<span class="sourceLineNo">257</span><a name="line.257"> private static int createInt(RandomIntSource source,</a> +<span class="sourceLineNo">258</span><a name="line.258"> int number) {</a> +<span class="sourceLineNo">259</span><a name="line.259"> synchronized (source) {</a> +<span class="sourceLineNo">260</span><a name="line.260"> return source.next() ^ number;</a> +<span class="sourceLineNo">261</span><a name="line.261"> }</a> +<span class="sourceLineNo">262</span><a name="line.262"> }</a> +<span class="sourceLineNo">263</span><a name="line.263">}</a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
