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Posted to commits@commonsrdf.apache.org by st...@apache.org on 2016/11/16 11:00:18 UTC
svn commit: r1001193 [12/36] - in /websites/production/commonsrdf/content:
./ apidocs/ apidocs/org/apache/commons/rdf/rdf4j/
apidocs/org/apache/commons/rdf/rdf4j/class-use/
apidocs/org/apache/commons/rdf/rdf4j/experimental/
apidocs/org/apache/commons/r...
Added: websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4J.Option.html
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+<!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> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.commons.rdf.rdf4j;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.util.Arrays;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.EnumSet;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.Objects;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.Set;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.UUID;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>// To avoid confusion, avoid importing<a name="line.26"></a>
+<span class="sourceLineNo">027</span>// classes that are in both<a name="line.27"></a>
+<span class="sourceLineNo">028</span>// commons.rdf and openrdf.model (e.g. IRI, Literal)<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.rdf.api.BlankNode;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.rdf.api.BlankNodeOrIRI;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.commons.rdf.api.Dataset;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.commons.rdf.api.Graph;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.commons.rdf.api.Quad;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.commons.rdf.api.RDFTerm;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.commons.rdf.api.RDF;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.commons.rdf.api.Triple;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.commons.rdf.api.TripleLike;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.commons.rdf.rdf4j.impl.InternalRDF4JFactory;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.eclipse.rdf4j.model.BNode;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.eclipse.rdf4j.model.Model;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.eclipse.rdf4j.model.Resource;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.eclipse.rdf4j.model.Statement;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.eclipse.rdf4j.model.Value;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.eclipse.rdf4j.model.ValueFactory;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.eclipse.rdf4j.model.impl.LinkedHashModel;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.eclipse.rdf4j.model.impl.SimpleValueFactory;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.eclipse.rdf4j.repository.Repository;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.eclipse.rdf4j.repository.RepositoryConnection;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.eclipse.rdf4j.repository.sail.SailRepository;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.eclipse.rdf4j.sail.Sail;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.eclipse.rdf4j.sail.memory.MemoryStore;<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>/**<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * RDF4J implementation of RDF.<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * <p><a name="line.55"></a>
+<span class="sourceLineNo">056</span> * The {@link #RDF4J()} constructor uses a {@link SimpleValueFactory} to create<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * corresponding RDF4J {@link Value} instances. Alternatively, this factory can<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * be constructed with a different {@link ValueFactory} using<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * {@link #RDF4J(ValueFactory)}.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * <p><a name="line.60"></a>
+<span class="sourceLineNo">061</span> * {@link #asRDFTerm(Value)} can be used to convert any RDF4J {@link Value} to<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * an RDFTerm. Note that adapted {@link BNode}s are considered equal if they are<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * converted with the same {@link RDF4J} instance and have the same<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * {@link BNode#getID()}.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * <p><a name="line.65"></a>
+<span class="sourceLineNo">066</span> * {@link #createGraph()} creates a new Graph backed by {@link LinkedHashModel}.<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * To use other models, see {@link #asGraph(Model)}.<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * <p><a name="line.68"></a>
+<span class="sourceLineNo">069</span> * To adapt a RDF4J {@link Repository} as a {@link Dataset} or {@link Graph},<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * use {@link #asDataset(Repository, Option...)} or<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * {@link #asGraph(Repository, Option...)}.<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * <p><a name="line.72"></a>
+<span class="sourceLineNo">073</span> * {@link #asTriple(Statement)} can be used to convert a RDF4J {@link Statement}<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * to a Commons RDF {@link Triple}, and equivalent {@link #asQuad(Statement)} to<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * convert a {@link Quad}.<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * <p><a name="line.76"></a>
+<span class="sourceLineNo">077</span> * To convert any {@link Triple} or {@link Quad} to to RDF4J {@link Statement},<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * use {@link #asStatement(TripleLike)}. This recognises previously converted<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * {@link RDF4JTriple}s and {@link RDF4JQuad}s without re-converting their<a name="line.79"></a>
+<span class="sourceLineNo">080</span> * {@link RDF4JTripleLike#asStatement()}.<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * <p><a name="line.81"></a>
+<span class="sourceLineNo">082</span> * Likewise, {@link #asValue(RDFTerm)} can be used to convert any Commons RDF<a name="line.82"></a>
+<span class="sourceLineNo">083</span> * {@link RDFTerm} to a corresponding RDF4J {@link Value}. This recognises<a name="line.83"></a>
+<span class="sourceLineNo">084</span> * previously converted {@link RDF4JTerm}s without re-converting their<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * {@link RDF4JTerm#asValue()}.<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * <p><a name="line.86"></a>
+<span class="sourceLineNo">087</span> * For the purpose of {@link BlankNode} equivalence, this factory contains an<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * internal {@link UUID} salt that is used by adapter methods like<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * {@link #asQuad(Statement)}, {@link #asTriple(Statement)},<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * {@link #asRDFTerm(Value)} as well as {@link #createBlankNode(String)}. As<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * RDF4J {@link BNode} instances from multiple repositories or models may have<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * the same {@link BNode#getID()}, converting them with the above methods might<a name="line.92"></a>
+<span class="sourceLineNo">093</span> * cause accidental {@link BlankNode} equivalence. Note that the {@link Graph}<a name="line.93"></a>
+<span class="sourceLineNo">094</span> * and {@link Dataset} adapter methods like<a name="line.94"></a>
+<span class="sourceLineNo">095</span> * {@link #asDataset(Repository, Option...)} and<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * {@link #asGraph(Repository, Option...)} therefore uses a unique {@link RDF4J}<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * internally.<a name="line.97"></a>
+<span class="sourceLineNo">098</span> * <a name="line.98"></a>
+<span class="sourceLineNo">099</span> * @see RDF<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>public final class RDF4J implements RDF {<a name="line.102"></a>
+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span> /**<a name="line.104"></a>
+<span class="sourceLineNo">105</span> * InternalRDF4JFactory is deliberately abstract<a name="line.105"></a>
+<span class="sourceLineNo">106</span> */<a name="line.106"></a>
+<span class="sourceLineNo">107</span> private static InternalRDF4JFactory rdf4j = new InternalRDF4JFactory() {<a name="line.107"></a>
+<span class="sourceLineNo">108</span> };<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span> public enum Option {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> /**<a name="line.111"></a>
+<span class="sourceLineNo">112</span> * The Graph/Dataset should include any inferred statements<a name="line.112"></a>
+<span class="sourceLineNo">113</span> */<a name="line.113"></a>
+<span class="sourceLineNo">114</span> includeInferred,<a name="line.114"></a>
+<span class="sourceLineNo">115</span> /**<a name="line.115"></a>
+<span class="sourceLineNo">116</span> * The graph/dataset should handle {@link Repository#initialize()} (if<a name="line.116"></a>
+<span class="sourceLineNo">117</span> * needed) and {@link Repository#shutDown()} on {@link Graph#close()} /<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * {@link Dataset#close()}.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> */<a name="line.119"></a>
+<span class="sourceLineNo">120</span> handleInitAndShutdown<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span> private final UUID salt;<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> private final ValueFactory valueFactory;<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> * Construct an {@link RDF4J}.<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> public RDF4J() {<a name="line.131"></a>
+<span class="sourceLineNo">132</span> this(SimpleValueFactory.getInstance(), UUID.randomUUID());<a name="line.132"></a>
+<span class="sourceLineNo">133</span> }<a name="line.133"></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> * Construct an {@link RDF4J}.<a name="line.136"></a>
+<span class="sourceLineNo">137</span> * <p><a name="line.137"></a>
+<span class="sourceLineNo">138</span> * This constructor is intended for use with the value factory from<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * {@link Repository#getValueFactory()} when using Repository-based graphs<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * and datasets.<a name="line.140"></a>
+<span class="sourceLineNo">141</span> * <a name="line.141"></a>
+<span class="sourceLineNo">142</span> * @param valueFactory<a name="line.142"></a>
+<span class="sourceLineNo">143</span> * The RDF4J {@link ValueFactory} to use<a name="line.143"></a>
+<span class="sourceLineNo">144</span> */<a name="line.144"></a>
+<span class="sourceLineNo">145</span> public RDF4J(ValueFactory valueFactory) {<a name="line.145"></a>
+<span class="sourceLineNo">146</span> this(valueFactory, UUID.randomUUID());<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> /**<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * Construct an {@link RDF4J}.<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * <p><a name="line.151"></a>
+<span class="sourceLineNo">152</span> * This constructor may be used if reproducible<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * {@link BlankNode#uniqueReference()} in {@link BlankNode} is desirable.<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * <a name="line.154"></a>
+<span class="sourceLineNo">155</span> * @param salt<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * An {@link UUID} salt to be used by any created<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * {@link BlankNode}s for the purpose of<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * {@link BlankNode#uniqueReference()}<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> public RDF4J(UUID salt) {<a name="line.160"></a>
+<span class="sourceLineNo">161</span> this(SimpleValueFactory.getInstance(), salt);<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"></a>
+<span class="sourceLineNo">165</span> * Construct an {@link RDF4J}.<a name="line.165"></a>
+<span class="sourceLineNo">166</span> * <p><a name="line.166"></a>
+<span class="sourceLineNo">167</span> * This constructor may be used if reproducible<a name="line.167"></a>
+<span class="sourceLineNo">168</span> * {@link BlankNode#uniqueReference()} in {@link BlankNode} is desirable.<a name="line.168"></a>
+<span class="sourceLineNo">169</span> * <a name="line.169"></a>
+<span class="sourceLineNo">170</span> * @param valueFactory<a name="line.170"></a>
+<span class="sourceLineNo">171</span> * The RDF4J {@link ValueFactory} to use<a name="line.171"></a>
+<span class="sourceLineNo">172</span> * @param salt<a name="line.172"></a>
+<span class="sourceLineNo">173</span> * An {@link UUID} salt to be used by any created<a name="line.173"></a>
+<span class="sourceLineNo">174</span> * {@link BlankNode}s for the purpose of<a name="line.174"></a>
+<span class="sourceLineNo">175</span> * {@link BlankNode#uniqueReference()}<a name="line.175"></a>
+<span class="sourceLineNo">176</span> */<a name="line.176"></a>
+<span class="sourceLineNo">177</span> public RDF4J(ValueFactory valueFactory, UUID salt) {<a name="line.177"></a>
+<span class="sourceLineNo">178</span> this.valueFactory = valueFactory;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> this.salt = salt;<a name="line.179"></a>
+<span class="sourceLineNo">180</span> }<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> * Adapt a RDF4J {@link Statement} as a Commons RDF {@link Quad}.<a name="line.183"></a>
+<span class="sourceLineNo">184</span> * <p><a name="line.184"></a>
+<span class="sourceLineNo">185</span> * For the purpose of {@link BlankNode} equivalence, this method will use an<a name="line.185"></a>
+<span class="sourceLineNo">186</span> * internal salt UUID that is unique per instance of {@link RDF4J}.<a name="line.186"></a>
+<span class="sourceLineNo">187</span> * <p><a name="line.187"></a>
+<span class="sourceLineNo">188</span> * <strong>NOTE:</strong> If combining RDF4J {@link Statement}s multiple<a name="line.188"></a>
+<span class="sourceLineNo">189</span> * repositories or models, then their {@link BNode}s may have the same<a name="line.189"></a>
+<span class="sourceLineNo">190</span> * {@link BNode#getID()}, which with this method would become equivalent<a name="line.190"></a>
+<span class="sourceLineNo">191</span> * according to {@link BlankNode#equals(Object)} and<a name="line.191"></a>
+<span class="sourceLineNo">192</span> * {@link BlankNode#uniqueReference()}, unless a separate {@link RDF4J}<a name="line.192"></a>
+<span class="sourceLineNo">193</span> * instance is used per RDF4J repository/model.<a name="line.193"></a>
+<span class="sourceLineNo">194</span> *<a name="line.194"></a>
+<span class="sourceLineNo">195</span> * @param statement<a name="line.195"></a>
+<span class="sourceLineNo">196</span> * The statement to convert<a name="line.196"></a>
+<span class="sourceLineNo">197</span> * @return A {@link RDF4JQuad} that is equivalent to the statement<a name="line.197"></a>
+<span class="sourceLineNo">198</span> */<a name="line.198"></a>
+<span class="sourceLineNo">199</span> public RDF4JQuad asQuad(final Statement statement) {<a name="line.199"></a>
+<span class="sourceLineNo">200</span> return rdf4j.createQuadImpl(statement, salt);<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> /**<a name="line.203"></a>
+<span class="sourceLineNo">204</span> *<a name="line.204"></a>
+<span class="sourceLineNo">205</span> * Adapt a RDF4J {@link Value} as a Commons RDF {@link RDFTerm}.<a name="line.205"></a>
+<span class="sourceLineNo">206</span> * <p><a name="line.206"></a>
+<span class="sourceLineNo">207</span> * The value will be of the same kind as the term, e.g. a<a name="line.207"></a>
+<span class="sourceLineNo">208</span> * {@link org.eclipse.rdf4j.model.BNode} is converted to a<a name="line.208"></a>
+<span class="sourceLineNo">209</span> * {@link org.apache.commons.rdf.api.BlankNode}, a<a name="line.209"></a>
+<span class="sourceLineNo">210</span> * {@link org.eclipse.rdf4j.model.IRI} is converted to a<a name="line.210"></a>
+<span class="sourceLineNo">211</span> * {@link org.apache.commons.rdf.api.IRI} and a<a name="line.211"></a>
+<span class="sourceLineNo">212</span> * {@link org.eclipse.rdf4j.model.Literal}. is converted to a<a name="line.212"></a>
+<span class="sourceLineNo">213</span> * {@link org.apache.commons.rdf.api.Literal}<a name="line.213"></a>
+<span class="sourceLineNo">214</span> * <p><a name="line.214"></a>
+<span class="sourceLineNo">215</span> * For the purpose of {@link BlankNode} equivalence, this method will use an<a name="line.215"></a>
+<span class="sourceLineNo">216</span> * internal salt UUID that is unique per instance of {@link RDF4J}.<a name="line.216"></a>
+<span class="sourceLineNo">217</span> * <p><a name="line.217"></a>
+<span class="sourceLineNo">218</span> * <strong>NOTE:</strong> If combining RDF4J values from multiple<a name="line.218"></a>
+<span class="sourceLineNo">219</span> * repositories or models, then their {@link BNode}s may have the same<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * {@link BNode#getID()}, which with this method would become equivalent<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * according to {@link BlankNode#equals(Object)} and<a name="line.221"></a>
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+<span class="sourceLineNo">224</span> *<a name="line.224"></a>
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+<span class="sourceLineNo">226</span> * The RDF4J {@link Value} to convert.<a name="line.226"></a>
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+<span class="sourceLineNo">228</span> * @throws IllegalArgumentException<a name="line.228"></a>
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+<span class="sourceLineNo">230</span> */<a name="line.230"></a>
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+<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> * Adapt a RDF4J {@link Value} as a Commons RDF {@link RDFTerm}.<a name="line.236"></a>
+<span class="sourceLineNo">237</span> * <p><a name="line.237"></a>
+<span class="sourceLineNo">238</span> * The value will be of the same kind as the term, e.g. a<a name="line.238"></a>
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+<span class="sourceLineNo">245</span> *<a name="line.245"></a>
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+<span class="sourceLineNo">257</span> */<a name="line.257"></a>
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+<span class="sourceLineNo">269</span> }<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>
+<span class="sourceLineNo">272</span> * Adapt an RDF4J {@link Repository} as a Commons RDF {@link Dataset}.<a name="line.272"></a>
+<span class="sourceLineNo">273</span> * <p><a name="line.273"></a>
+<span class="sourceLineNo">274</span> * Changes to the dataset are reflected in the repository, and vice versa.<a name="line.274"></a>
+<span class="sourceLineNo">275</span> * <p><a name="line.275"></a>
+<span class="sourceLineNo">276</span> * <strong>Note:</strong> Some operations on the {@link RDF4JDataset}<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * requires the use of try-with-resources to close underlying<a name="line.277"></a>
+<span class="sourceLineNo">278</span> * {@link RepositoryConnection}s, including {@link RDF4JDataset#iterate()},<a name="line.278"></a>
+<span class="sourceLineNo">279</span> * {@link RDF4JDataset#stream()} and {@link RDF4JDataset#getGraphNames()}.<a name="line.279"></a>
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+<span class="sourceLineNo">281</span> * @param repository<a name="line.281"></a>
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+<span class="sourceLineNo">286</span> */<a name="line.286"></a>
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+<span class="sourceLineNo">288</span> EnumSet<Option> opts = optionSet(options);<a name="line.288"></a>
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+<span class="sourceLineNo">290</span> opts.contains(Option.includeInferred));<a name="line.290"></a>
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+<span class="sourceLineNo">292</span><a name="line.292"></a>
+<span class="sourceLineNo">293</span> /**<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * Adapt an RDF4J {@link Model} as a Commons RDF {@link Graph}.<a name="line.294"></a>
+<span class="sourceLineNo">295</span> * <p><a name="line.295"></a>
+<span class="sourceLineNo">296</span> * Changes to the graph are reflected in the model, and vice versa.<a name="line.296"></a>
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+<span class="sourceLineNo">298</span> * @param model<a name="line.298"></a>
+<span class="sourceLineNo">299</span> * RDF4J {@link Model} to adapt.<a name="line.299"></a>
+<span class="sourceLineNo">300</span> * @return Adapted {@link Graph}.<a name="line.300"></a>
+<span class="sourceLineNo">301</span> */<a name="line.301"></a>
+<span class="sourceLineNo">302</span> public RDF4JGraph asGraph(Model model) {<a name="line.302"></a>
+<span class="sourceLineNo">303</span> return rdf4j.createModelGraphImpl(model, this);<a name="line.303"></a>
+<span class="sourceLineNo">304</span> }<a name="line.304"></a>
+<span class="sourceLineNo">305</span><a name="line.305"></a>
+<span class="sourceLineNo">306</span> /**<a name="line.306"></a>
+<span class="sourceLineNo">307</span> * Adapt an RDF4J {@link Repository} as a Commons RDF {@link Graph}.<a name="line.307"></a>
+<span class="sourceLineNo">308</span> * <p><a name="line.308"></a>
+<span class="sourceLineNo">309</span> * The graph will only include triples in the default graph (equivalent to<a name="line.309"></a>
+<span class="sourceLineNo">310</span> * context <code>new Resource[0]{null})</code> in RDF4J).<a name="line.310"></a>
+<span class="sourceLineNo">311</span> * <p><a name="line.311"></a>
+<span class="sourceLineNo">312</span> * Changes to the graph are reflected in the repository, and vice versa.<a name="line.312"></a>
+<span class="sourceLineNo">313</span> * <p><a name="line.313"></a>
+<span class="sourceLineNo">314</span> * <strong>Note:</strong> Some operations on the {@link RDF4JGraph} requires<a name="line.314"></a>
+<span class="sourceLineNo">315</span> * the use of try-with-resources to close underlying<a name="line.315"></a>
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+<span class="sourceLineNo">317</span> * {@link RDF4JGraph#stream()}.<a name="line.317"></a>
+<span class="sourceLineNo">318</span> *<a name="line.318"></a>
+<span class="sourceLineNo">319</span> * @param repository<a name="line.319"></a>
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+<span class="sourceLineNo">324</span> */<a name="line.324"></a>
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+<span class="sourceLineNo">326</span> EnumSet<Option> opts = optionSet(options);<a name="line.326"></a>
+<span class="sourceLineNo">327</span> return rdf4j.createRepositoryGraphImpl(repository, opts.contains(Option.handleInitAndShutdown),<a name="line.327"></a>
+<span class="sourceLineNo">328</span> opts.contains(Option.includeInferred), new Resource[] { null }); // default<a name="line.328"></a>
+<span class="sourceLineNo">329</span> // graph<a name="line.329"></a>
+<span class="sourceLineNo">330</span> }<a name="line.330"></a>
+<span class="sourceLineNo">331</span><a name="line.331"></a>
+<span class="sourceLineNo">332</span> /**<a name="line.332"></a>
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+<span class="sourceLineNo">334</span> * <p><a name="line.334"></a>
+<span class="sourceLineNo">335</span> * The graph will include triples in any contexts (e.g. the union graph).<a name="line.335"></a>
+<span class="sourceLineNo">336</span> * <p><a name="line.336"></a>
+<span class="sourceLineNo">337</span> * Changes to the graph are reflected in the repository, and vice versa.<a name="line.337"></a>
+<span class="sourceLineNo">338</span> *<a name="line.338"></a>
+<span class="sourceLineNo">339</span> * @param repository<a name="line.339"></a>
+<span class="sourceLineNo">340</span> * RDF4J {@link Repository} to connect to.<a name="line.340"></a>
+<span class="sourceLineNo">341</span> * @param options<a name="line.341"></a>
+<span class="sourceLineNo">342</span> * Zero or more {@link Option}<a name="line.342"></a>
+<span class="sourceLineNo">343</span> * @return A union {@link Graph} backed by the RDF4J repository.<a name="line.343"></a>
+<span class="sourceLineNo">344</span> */<a name="line.344"></a>
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+<span class="sourceLineNo">346</span> EnumSet<Option> opts = optionSet(options);<a name="line.346"></a>
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+<span class="sourceLineNo">348</span> opts.contains(Option.includeInferred), new Resource[] {}); // union<a name="line.348"></a>
+<span class="sourceLineNo">349</span> // graph<a name="line.349"></a>
+<span class="sourceLineNo">350</span><a name="line.350"></a>
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+<span class="sourceLineNo">352</span><a name="line.352"></a>
+<span class="sourceLineNo">353</span> /**<a name="line.353"></a>
+<span class="sourceLineNo">354</span> * Adapt an RDF4J {@link Repository} as a Commons RDF {@link Graph}.<a name="line.354"></a>
+<span class="sourceLineNo">355</span> * <p><a name="line.355"></a>
+<span class="sourceLineNo">356</span> * The graph will include triples in the specified contexts.<a name="line.356"></a>
+<span class="sourceLineNo">357</span> * <p><a name="line.357"></a>
+<span class="sourceLineNo">358</span> * Changes to the graph are reflected in the repository, and vice versa.<a name="line.358"></a>
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+<span class="sourceLineNo">361</span> * <p><a name="line.361"></a>
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+<span class="sourceLineNo">363</span> * the use of try-with-resources to close underlying<a name="line.363"></a>
+<span class="sourceLineNo">364</span> * {@link RepositoryConnection}s, including {@link RDF4JGraph#iterate()} and<a name="line.364"></a>
+<span class="sourceLineNo">365</span> * {@link RDF4JGraph#stream()}.<a name="line.365"></a>
+<span class="sourceLineNo">366</span> *<a name="line.366"></a>
+<span class="sourceLineNo">367</span> * @param repository<a name="line.367"></a>
+<span class="sourceLineNo">368</span> * RDF4J {@link Repository} to connect to.<a name="line.368"></a>
+<span class="sourceLineNo">369</span> * @param contexts<a name="line.369"></a>
+<span class="sourceLineNo">370</span> * A {@link Set} of {@link BlankNodeOrIRI} specifying the graph<a name="line.370"></a>
+<span class="sourceLineNo">371</span> * names to use as a context. The set may include the value<a name="line.371"></a>
+<span class="sourceLineNo">372</span> * <code>null</code> to indicate the default graph. The empty set<a name="line.372"></a>
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+<span class="sourceLineNo">377</span> */<a name="line.377"></a>
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+<span class="sourceLineNo">381</span> Resource[] resources = contexts.stream().map(g -> (Resource) asValue(g)).toArray(Resource[]::new);<a name="line.381"></a>
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+<span class="sourceLineNo">385</span><a name="line.385"></a>
+<span class="sourceLineNo">386</span> /**<a name="line.386"></a>
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+<span class="sourceLineNo">388</span> * {@link Statement}.<a name="line.388"></a>
+<span class="sourceLineNo">389</span> * <p><a name="line.389"></a>
+<span class="sourceLineNo">390</span> * If the <code>tripleLike</code> argument is an {@link RDF4JTriple} or a<a name="line.390"></a>
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+<span class="sourceLineNo">393</span> * preserve its {@link Statement#getContext()}, and that any<a name="line.393"></a>
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+<span class="sourceLineNo">404</span> // RDF4JTriple<a name="line.404"></a>
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+<span class="sourceLineNo">411</span><a name="line.411"></a>
+<span class="sourceLineNo">412</span> org.eclipse.rdf4j.model.Resource context = null;<a name="line.412"></a>
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+<span class="sourceLineNo">420</span><a name="line.420"></a>
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+<span class="sourceLineNo">430</span> * according to {@link BlankNode#equals(Object)} and<a name="line.430"></a>
+<span class="sourceLineNo">431</span> * {@link BlankNode#uniqueReference()}, unless a separate {@link RDF4J}<a name="line.431"></a>
+<span class="sourceLineNo">432</span> * instance is used per RDF4J repository/model.<a name="line.432"></a>
+<span class="sourceLineNo">433</span> *<a name="line.433"></a>
+<span class="sourceLineNo">434</span> * @param statement<a name="line.434"></a>
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+<span class="sourceLineNo">437</span> */<a name="line.437"></a>
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+<span class="sourceLineNo">441</span><a name="line.441"></a>
+<span class="sourceLineNo">442</span> /**<a name="line.442"></a>
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+<span class="sourceLineNo">444</span> * <p><a name="line.444"></a>
+<span class="sourceLineNo">445</span> * The value will be of the same kind as the term, e.g. a<a name="line.445"></a>
+<span class="sourceLineNo">446</span> * {@link org.apache.commons.rdf.api.BlankNode} is converted to a<a name="line.446"></a>
+<span class="sourceLineNo">447</span> * {@link org.eclipse.rdf4j.model.BNode}, a<a name="line.447"></a>
+<span class="sourceLineNo">448</span> * {@link org.apache.commons.rdf.api.IRI} is converted to a<a name="line.448"></a>
+<span class="sourceLineNo">449</span> * {@link org.eclipse.rdf4j.model.IRI} and a<a name="line.449"></a>
+<span class="sourceLineNo">450</span> * {@link org.apache.commons.rdf.api.Literal} is converted to a<a name="line.450"></a>
+<span class="sourceLineNo">451</span> * {@link org.eclipse.rdf4j.model.Literal}.<a name="line.451"></a>
+<span class="sourceLineNo">452</span> * <p><a name="line.452"></a>
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+<span class="sourceLineNo">454</span> * value is <code>null</code>.<a name="line.454"></a>
+<span class="sourceLineNo">455</span> * <p><a name="line.455"></a>
+<span class="sourceLineNo">456</span> * If the provided term is an instance of {@link RDF4JTerm}, then the<a name="line.456"></a>
+<span class="sourceLineNo">457</span> * {@link RDF4JTerm#asValue()} is returned without any conversion. Note that<a name="line.457"></a>
+<span class="sourceLineNo">458</span> * this could mean that a {@link Value} from a different kind of<a name="line.458"></a>
+<span class="sourceLineNo">459</span> * {@link ValueFactory} could be returned.<a name="line.459"></a>
+<span class="sourceLineNo">460</span> *<a name="line.460"></a>
+<span class="sourceLineNo">461</span> * @param term<a name="line.461"></a>
+<span class="sourceLineNo">462</span> * RDFTerm to adapt to RDF4J Value<a name="line.462"></a>
+<span class="sourceLineNo">463</span> * @return Adapted RDF4J {@link Value}<a name="line.463"></a>
+<span class="sourceLineNo">464</span> */<a name="line.464"></a>
+<span class="sourceLineNo">465</span> public Value asValue(RDFTerm term) {<a name="line.465"></a>
+<span class="sourceLineNo">466</span> if (term == null) {<a name="line.466"></a>
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+<span class="sourceLineNo">483</span> return getValueFactory().createLiteral(label, lang);<a name="line.483"></a>
+<span class="sourceLineNo">484</span> }<a name="line.484"></a>
+<span class="sourceLineNo">485</span> org.eclipse.rdf4j.model.IRI dataType = (org.eclipse.rdf4j.model.IRI) asValue(literal.getDatatype());<a name="line.485"></a>
+<span class="sourceLineNo">486</span> return getValueFactory().createLiteral(label, dataType);<a name="line.486"></a>
+<span class="sourceLineNo">487</span> }<a name="line.487"></a>
+<span class="sourceLineNo">488</span> if (term instanceof BlankNode) {<a name="line.488"></a>
+<span class="sourceLineNo">489</span> // This is where it gets tricky to support round trips!<a name="line.489"></a>
+<span class="sourceLineNo">490</span> BlankNode blankNode = (BlankNode) term;<a name="line.490"></a>
+<span class="sourceLineNo">491</span> // FIXME: The uniqueReference might not be a valid BlankNode<a name="line.491"></a>
+<span class="sourceLineNo">492</span> // identifier..<a name="line.492"></a>
+<span class="sourceLineNo">493</span> // does it have to be in RDF4J?<a name="line.493"></a>
+<span class="sourceLineNo">494</span> return getValueFactory().createBNode(blankNode.uniqueReference());<a name="line.494"></a>
+<span class="sourceLineNo">495</span> }<a name="line.495"></a>
+<span class="sourceLineNo">496</span> throw new IllegalArgumentException("RDFTerm was not an IRI, Literal or BlankNode: " + term.getClass());<a name="line.496"></a>
+<span class="sourceLineNo">497</span> }<a name="line.497"></a>
+<span class="sourceLineNo">498</span><a name="line.498"></a>
+<span class="sourceLineNo">499</span> @Override<a name="line.499"></a>
+<span class="sourceLineNo">500</span> public RDF4JBlankNode createBlankNode() {<a name="line.500"></a>
+<span class="sourceLineNo">501</span> BNode bnode = getValueFactory().createBNode();<a name="line.501"></a>
+<span class="sourceLineNo">502</span> return (RDF4JBlankNode) asRDFTerm(bnode);<a name="line.502"></a>
+<span class="sourceLineNo">503</span> }<a name="line.503"></a>
+<span class="sourceLineNo">504</span><a name="line.504"></a>
+<span class="sourceLineNo">505</span> @Override<a name="line.505"></a>
+<span class="sourceLineNo">506</span> public RDF4JBlankNode createBlankNode(String name) {<a name="line.506"></a>
+<span class="sourceLineNo">507</span> BNode bnode = getValueFactory().createBNode(name);<a name="line.507"></a>
+<span class="sourceLineNo">508</span> return (RDF4JBlankNode) asRDFTerm(bnode);<a name="line.508"></a>
+<span class="sourceLineNo">509</span> }<a name="line.509"></a>
+<span class="sourceLineNo">510</span><a name="line.510"></a>
+<span class="sourceLineNo">511</span> /**<a name="line.511"></a>
+<span class="sourceLineNo">512</span> * {@inheritDoc}<a name="line.512"></a>
+<span class="sourceLineNo">513</span> * <p><a name="line.513"></a>
+<span class="sourceLineNo">514</span> * <strong>Note:</strong> Some operations on the {@link RDF4JDataset}<a name="line.514"></a>
+<span class="sourceLineNo">515</span> * requires the use of try-with-resources to close underlying<a name="line.515"></a>
+<span class="sourceLineNo">516</span> * {@link RepositoryConnection}s, including {@link RDF4JDataset#iterate()},<a name="line.516"></a>
+<span class="sourceLineNo">517</span> * {@link RDF4JDataset#stream()} and {@link RDF4JDataset#getGraphNames()}.<a name="line.517"></a>
+<span class="sourceLineNo">518</span> * <a name="line.518"></a>
+<span class="sourceLineNo">519</span> */<a name="line.519"></a>
+<span class="sourceLineNo">520</span> @Override<a name="line.520"></a>
+<span class="sourceLineNo">521</span> public RDF4JDataset createDataset() {<a name="line.521"></a>
+<span class="sourceLineNo">522</span> Sail sail = new MemoryStore();<a name="line.522"></a>
+<span class="sourceLineNo">523</span> Repository repository = new SailRepository(sail);<a name="line.523"></a>
+<span class="sourceLineNo">524</span> return rdf4j.createRepositoryDatasetImpl(repository, true, false);<a name="line.524"></a>
+<span class="sourceLineNo">525</span> }<a name="line.525"></a>
+<span class="sourceLineNo">526</span><a name="line.526"></a>
+<span class="sourceLineNo">527</span> @Override<a name="line.527"></a>
+<span class="sourceLineNo">528</span> public RDF4JGraph createGraph() {<a name="line.528"></a>
+<span class="sourceLineNo">529</span> return asGraph(new LinkedHashModel());<a name="line.529"></a>
+<span class="sourceLineNo">530</span> }<a name="line.530"></a>
+<span class="sourceLineNo">531</span><a name="line.531"></a>
+<span class="sourceLineNo">532</span> @Override<a name="line.532"></a>
+<span class="sourceLineNo">533</span> public RDF4JIRI createIRI(String iri) throws IllegalArgumentException {<a name="line.533"></a>
+<span class="sourceLineNo">534</span> return (RDF4JIRI) asRDFTerm(getValueFactory().createIRI(iri));<a name="line.534"></a>
+<span class="sourceLineNo">535</span> }<a name="line.535"></a>
+<span class="sourceLineNo">536</span><a name="line.536"></a>
+<span class="sourceLineNo">537</span> @Override<a name="line.537"></a>
+<span class="sourceLineNo">538</span> public RDF4JLiteral createLiteral(String lexicalForm) throws IllegalArgumentException {<a name="line.538"></a>
+<span class="sourceLineNo">539</span> org.eclipse.rdf4j.model.Literal lit = getValueFactory().createLiteral(lexicalForm);<a name="line.539"></a>
+<span class="sourceLineNo">540</span> return (RDF4JLiteral) asRDFTerm(lit);<a name="line.540"></a>
+<span class="sourceLineNo">541</span> }<a name="line.541"></a>
+<span class="sourceLineNo">542</span><a name="line.542"></a>
+<span class="sourceLineNo">543</span> @Override<a name="line.543"></a>
+<span class="sourceLineNo">544</span> public org.apache.commons.rdf.api.Literal createLiteral(String lexicalForm, org.apache.commons.rdf.api.IRI dataType)<a name="line.544"></a>
+<span class="sourceLineNo">545</span> throws IllegalArgumentException {<a name="line.545"></a>
+<span class="sourceLineNo">546</span> org.eclipse.rdf4j.model.IRI iri = getValueFactory().createIRI(dataType.getIRIString());<a name="line.546"></a>
+<span class="sourceLineNo">547</span> org.eclipse.rdf4j.model.Literal lit = getValueFactory().createLiteral(lexicalForm, iri);<a name="line.547"></a>
+<span class="sourceLineNo">548</span> return (org.apache.commons.rdf.api.Literal) asRDFTerm(lit);<a name="line.548"></a>
+<span class="sourceLineNo">549</span> }<a name="line.549"></a>
+<span class="sourceLineNo">550</span><a name="line.550"></a>
+<span class="sourceLineNo">551</span> @Override<a name="line.551"></a>
+<span class="sourceLineNo">552</span> public org.apache.commons.rdf.api.Literal createLiteral(String lexicalForm, String languageTag)<a name="line.552"></a>
+<span class="sourceLineNo">553</span> throws IllegalArgumentException {<a name="line.553"></a>
+<span class="sourceLineNo">554</span> org.eclipse.rdf4j.model.Literal lit = getValueFactory().createLiteral(lexicalForm, languageTag);<a name="line.554"></a>
+<span class="sourceLineNo">555</span> return (org.apache.commons.rdf.api.Literal) asRDFTerm(lit);<a name="line.555"></a>
+<span class="sourceLineNo">556</span> }<a name="line.556"></a>
+<span class="sourceLineNo">557</span><a name="line.557"></a>
+<span class="sourceLineNo">558</span> @Override<a name="line.558"></a>
+<span class="sourceLineNo">559</span> public RDF4JTriple createTriple(BlankNodeOrIRI subject, org.apache.commons.rdf.api.IRI predicate, RDFTerm object)<a name="line.559"></a>
+<span class="sourceLineNo">560</span> throws IllegalArgumentException {<a name="line.560"></a>
+<span class="sourceLineNo">561</span> final Statement statement = getValueFactory().createStatement(<a name="line.561"></a>
+<span class="sourceLineNo">562</span> (org.eclipse.rdf4j.model.Resource) asValue(subject), (org.eclipse.rdf4j.model.IRI) asValue(predicate),<a name="line.562"></a>
+<span class="sourceLineNo">563</span> asValue(object));<a name="line.563"></a>
+<span class="sourceLineNo">564</span> return asTriple(statement);<a name="line.564"></a>
+<span class="sourceLineNo">565</span> }<a name="line.565"></a>
+<span class="sourceLineNo">566</span><a name="line.566"></a>
+<span class="sourceLineNo">567</span> @Override<a name="line.567"></a>
+<span class="sourceLineNo">568</span> public Quad createQuad(BlankNodeOrIRI graphName, BlankNodeOrIRI subject, org.apache.commons.rdf.api.IRI predicate,<a name="line.568"></a>
+<span class="sourceLineNo">569</span> RDFTerm object) throws IllegalArgumentException {<a name="line.569"></a>
+<span class="sourceLineNo">570</span> final Statement statement = getValueFactory().createStatement(<a name="line.570"></a>
+<span class="sourceLineNo">571</span> (org.eclipse.rdf4j.model.Resource) asValue(subject), (org.eclipse.rdf4j.model.IRI) asValue(predicate),<a name="line.571"></a>
+<span class="sourceLineNo">572</span> asValue(object), (org.eclipse.rdf4j.model.Resource) asValue(graphName));<a name="line.572"></a>
+<span class="sourceLineNo">573</span> return asQuad(statement);<a name="line.573"></a>
+<span class="sourceLineNo">574</span> }<a name="line.574"></a>
+<span class="sourceLineNo">575</span><a name="line.575"></a>
+<span class="sourceLineNo">576</span> public ValueFactory getValueFactory() {<a name="line.576"></a>
+<span class="sourceLineNo">577</span> return valueFactory;<a name="line.577"></a>
+<span class="sourceLineNo">578</span> }<a name="line.578"></a>
+<span class="sourceLineNo">579</span><a name="line.579"></a>
+<span class="sourceLineNo">580</span> private EnumSet<Option> optionSet(Option... options) {<a name="line.580"></a>
+<span class="sourceLineNo">581</span> EnumSet<Option> opts = EnumSet.noneOf(Option.class);<a name="line.581"></a>
+<span class="sourceLineNo">582</span> opts.addAll(Arrays.asList(options));<a name="line.582"></a>
+<span class="sourceLineNo">583</span> return opts;<a name="line.583"></a>
+<span class="sourceLineNo">584</span> }<a name="line.584"></a>
+<span class="sourceLineNo">585</span><a name="line.585"></a>
+<span class="sourceLineNo">586</span>}<a name="line.586"></a>
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+</div>
+</body>
+</html>
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