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From st...@apache.org
Subject svn commit: r1001193 [13/36] - 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...
Date Wed, 16 Nov 2016 11:00:18 GMT
Added: websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4J.html
==============================================================================
--- websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4J.html (added)
+++ websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4J.html Wed Nov 16 11:00:15 2016
@@ -0,0 +1,658 @@
+<!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> * &lt;p&gt;<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> * &lt;p&gt;<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> * &lt;p&gt;<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> * &lt;p&gt;<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> * &lt;p&gt;<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> * &lt;p&gt;<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> * &lt;p&gt;<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> * &lt;p&gt;<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>     * &lt;p&gt;<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>     * &lt;p&gt;<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>     * &lt;p&gt;<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>     * &lt;p&gt;<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>     * &lt;p&gt;<a name="line.187"></a>
+<span class="sourceLineNo">188</span>     * &lt;strong&gt;NOTE:&lt;/strong&gt; 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>     * &lt;p&gt;<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>     * &lt;p&gt;<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>
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+<span class="sourceLineNo">482</span>                String lang = literal.getLanguageTag().get();<a name="line.482"></a>
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+<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>
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+<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>
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+<span class="sourceLineNo">509</span>    }<a name="line.509"></a>
+<span class="sourceLineNo">510</span><a name="line.510"></a>
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+<span class="sourceLineNo">512</span>     * {@inheritDoc}<a name="line.512"></a>
+<span class="sourceLineNo">513</span>     * &lt;p&gt;<a name="line.513"></a>
+<span class="sourceLineNo">514</span>     * &lt;strong&gt;Note:&lt;/strong&gt; 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>
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+<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>
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+<span class="sourceLineNo">534</span>        return (RDF4JIRI) asRDFTerm(getValueFactory().createIRI(iri));<a name="line.534"></a>
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+<span class="sourceLineNo">536</span><a name="line.536"></a>
+<span class="sourceLineNo">537</span>    @Override<a name="line.537"></a>
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+<span class="sourceLineNo">539</span>        org.eclipse.rdf4j.model.Literal lit = getValueFactory().createLiteral(lexicalForm);<a name="line.539"></a>
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+<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>
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+<span class="sourceLineNo">547</span>        org.eclipse.rdf4j.model.Literal lit = getValueFactory().createLiteral(lexicalForm, iri);<a name="line.547"></a>
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+<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>
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+<span class="sourceLineNo">553</span>            throws IllegalArgumentException {<a name="line.553"></a>
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+<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>
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+<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&lt;Option&gt; optionSet(Option... options) {<a name="line.580"></a>
+<span class="sourceLineNo">581</span>        EnumSet&lt;Option&gt; 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>
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+</pre>
+</div>
+</body>
+</html>
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==============================================================================
--- websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4JBlankNode.html (added)
+++ websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4JBlankNode.html Wed Nov 16 11:00:15 2016
@@ -0,0 +1,109 @@
+<!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 org.apache.commons.rdf.api.BlankNode;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.eclipse.rdf4j.model.BNode;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Marker interface for RDF4J implementations of Commons RDF<a name="line.24"></a>
+<span class="sourceLineNo">025</span> * {@link org.apache.commons.rdf.api.BlankNode}.<a name="line.25"></a>
+<span class="sourceLineNo">026</span> * &lt;p&gt;<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * The underlying RDF4J {@link BNode} instance can be retrieved with<a name="line.27"></a>
+<span class="sourceLineNo">028</span> * {@link #asValue()}.<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * <a name="line.29"></a>
+<span class="sourceLineNo">030</span> * @see RDF4J#createBlankNode()<a name="line.30"></a>
+<span class="sourceLineNo">031</span> */<a name="line.31"></a>
+<span class="sourceLineNo">032</span>public interface RDF4JBlankNode extends RDF4JBlankNodeOrIRI, BlankNode {<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>    @Override<a name="line.34"></a>
+<span class="sourceLineNo">035</span>    public BNode asValue();<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span>}<a name="line.37"></a>
+
+
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+</pre>
+</div>
+</body>
+</html>
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==============================================================================
--- websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4JBlankNodeOrIRI.html (added)
+++ websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4JBlankNodeOrIRI.html Wed Nov 16 11:00:15 2016
@@ -0,0 +1,109 @@
+<!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 org.apache.commons.rdf.api.BlankNodeOrIRI;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.commons.rdf.api.Triple;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import org.eclipse.rdf4j.model.Resource;<a name="line.22"></a>
+<span class="sourceLineNo">023</span><a name="line.23"></a>
+<span class="sourceLineNo">024</span>/**<a name="line.24"></a>
+<span class="sourceLineNo">025</span> * Marker interface for RDF4J implementations of Commons RDF<a name="line.25"></a>
+<span class="sourceLineNo">026</span> * {@link BlankNodeOrIRI} (e.g. the subject of a {@link Triple}).<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * &lt;p&gt;<a name="line.27"></a>
+<span class="sourceLineNo">028</span> * The underlying RDF4J {@link org.eclipse.rdf4j.model.Resource} instance can be<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * retrieved with {@link #asValue()}.<a name="line.29"></a>
+<span class="sourceLineNo">030</span> * <a name="line.30"></a>
+<span class="sourceLineNo">031</span> */<a name="line.31"></a>
+<span class="sourceLineNo">032</span>public interface RDF4JBlankNodeOrIRI extends RDF4JTerm, BlankNodeOrIRI {<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>    @Override<a name="line.34"></a>
+<span class="sourceLineNo">035</span>    public Resource asValue();<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span>}<a name="line.37"></a>
+
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+</pre>
+</div>
+</body>
+</html>
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==============================================================================
--- websites/production/commonsrdf/content/apidocs/src-html/org/apache/commons/rdf/rdf4j/RDF4JDataset.html (added)
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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.Optional;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.stream.Stream;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.commons.rdf.api.BlankNodeOrIRI;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.commons.rdf.api.Dataset;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.commons.rdf.api.IRI;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.commons.rdf.api.Quad;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.commons.rdf.api.RDFTerm;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.commons.rdf.rdf4j.RDF4J.Option;<a name="line.28"></a>
+<span class="sourceLineNo">029</span><a name="line.29"></a>
+<span class="sourceLineNo">030</span>/**<a name="line.30"></a>
+<span class="sourceLineNo">031</span> * Marker interface for RDF4J implementations of Dataset.<a name="line.31"></a>
+<span class="sourceLineNo">032</span> * <a name="line.32"></a>
+<span class="sourceLineNo">033</span> * @see RDF4J#createDataset()<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * @see RDF4J#asDataset(org.eclipse.rdf4j.repository.Repository, Option...)<a name="line.34"></a>
+<span class="sourceLineNo">035</span> */<a name="line.35"></a>
+<span class="sourceLineNo">036</span>public interface RDF4JDataset extends Dataset, RDF4JGraphLike&lt;Quad&gt; {<a name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span>    /**<a name="line.38"></a>
+<span class="sourceLineNo">039</span>     * {@inheritDoc}<a name="line.39"></a>
+<span class="sourceLineNo">040</span>     * &lt;p&gt;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>     * Note that for datasets backed by a repository ({@link #asRepository()} is<a name="line.41"></a>
+<span class="sourceLineNo">042</span>     * present), the stream &lt;strong&gt;must be closed&lt;/strong&gt; with<a name="line.42"></a>
+<span class="sourceLineNo">043</span>     * {@link Stream#close()}.<a name="line.43"></a>
+<span class="sourceLineNo">044</span>     * &lt;p&gt;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>     * This can generally achieved using a try-with-resources block, e.g.:<a name="line.45"></a>
+<span class="sourceLineNo">046</span>     * <a name="line.46"></a>
+<span class="sourceLineNo">047</span>     * &lt;pre&gt;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>     * int subjects;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>     * try (Stream&amp;lt;RDF4JQuad&amp;gt; s : graph.stream()) {<a name="line.49"></a>
+<span class="sourceLineNo">050</span>     *   subjects = s.map(RDF4JQuad::getSubject).distinct().count()<a name="line.50"></a>
+<span class="sourceLineNo">051</span>     * }<a name="line.51"></a>
+<span class="sourceLineNo">052</span>     * &lt;/pre&gt;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>     */<a name="line.53"></a>
+<span class="sourceLineNo">054</span>    @Override<a name="line.54"></a>
+<span class="sourceLineNo">055</span>    Stream&lt;RDF4JQuad&gt; stream();<a name="line.55"></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>     * {@inheritDoc}<a name="line.58"></a>
+<span class="sourceLineNo">059</span>     * &lt;p&gt;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>     * Note that for datasets backed by a repository ({@link #asRepository()} is<a name="line.60"></a>
+<span class="sourceLineNo">061</span>     * present), the stream &lt;strong&gt;must be closed&lt;/strong&gt; with<a name="line.61"></a>
+<span class="sourceLineNo">062</span>     * {@link Stream#close()}.<a name="line.62"></a>
+<span class="sourceLineNo">063</span>     * &lt;p&gt;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>     * This can generally achieved using a try-with-resources block, e.g.:<a name="line.64"></a>
+<span class="sourceLineNo">065</span>     * <a name="line.65"></a>
+<span class="sourceLineNo">066</span>     * &lt;pre&gt;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>     * int subjects;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>     * try (Stream&amp;lt;RDF4JQuad&amp;gt; s : graph.stream()) {<a name="line.68"></a>
+<span class="sourceLineNo">069</span>     *   subjects = s.map(RDF4JQuad::getSubject).distinct().count()<a name="line.69"></a>
+<span class="sourceLineNo">070</span>     * }<a name="line.70"></a>
+<span class="sourceLineNo">071</span>     * &lt;/pre&gt;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>     */<a name="line.72"></a>
+<span class="sourceLineNo">073</span>    @Override<a name="line.73"></a>
+<span class="sourceLineNo">074</span>    Stream&lt;RDF4JQuad&gt; stream(Optional&lt;BlankNodeOrIRI&gt; graphName, BlankNodeOrIRI subject, IRI predicate, RDFTerm object);<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>    /**<a name="line.76"></a>
+<span class="sourceLineNo">077</span>     * {@inheritDoc}<a name="line.77"></a>
+<span class="sourceLineNo">078</span>     * &lt;p&gt;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>     * Note that for datasets backed by a repository ({@link #asRepository()} is<a name="line.79"></a>
+<span class="sourceLineNo">080</span>     * present), the stream &lt;strong&gt;must be closed&lt;/strong&gt; with<a name="line.80"></a>
+<span class="sourceLineNo">081</span>     * {@link Stream#close()}.<a name="line.81"></a>
+<span class="sourceLineNo">082</span>     * &lt;p&gt;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>     * This can generally achieved using a try-with-resources block, e.g.:<a name="line.83"></a>
+<span class="sourceLineNo">084</span>     * <a name="line.84"></a>
+<span class="sourceLineNo">085</span>     * &lt;pre&gt;<a name="line.85"></a>
+<span class="sourceLineNo">086</span>     * int graphs;<a name="line.86"></a>
+<span class="sourceLineNo">087</span>     * try (Stream&amp;lt;BlankNodeOrIRI&amp;gt; s : graph.stream()) {<a name="line.87"></a>
+<span class="sourceLineNo">088</span>     *   graphs = s.count()<a name="line.88"></a>
+<span class="sourceLineNo">089</span>     * }<a name="line.89"></a>
+<span class="sourceLineNo">090</span>     * &lt;/pre&gt;<a name="line.90"></a>
+<span class="sourceLineNo">091</span>     */<a name="line.91"></a>
+<span class="sourceLineNo">092</span>    @Override<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    Stream&lt;BlankNodeOrIRI&gt; getGraphNames();<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span>    /**<a name="line.95"></a>
+<span class="sourceLineNo">096</span>     * {@inheritDoc}<a name="line.96"></a>
+<span class="sourceLineNo">097</span>     * &lt;p&gt;<a name="line.97"></a>
+<span class="sourceLineNo">098</span>     * Note that for datasets backed by a repository ({@link #asRepository()} is<a name="line.98"></a>
+<span class="sourceLineNo">099</span>     * present), the iterable &lt;strong&gt;must be closed&lt;/strong&gt; with<a name="line.99"></a>
+<span class="sourceLineNo">100</span>     * {@link ClosableIterable#close()}.<a name="line.100"></a>
+<span class="sourceLineNo">101</span>     * &lt;p&gt;<a name="line.101"></a>
+<span class="sourceLineNo">102</span>     * This can generally achieved using a try-with-resources block, e.g.:<a name="line.102"></a>
+<span class="sourceLineNo">103</span>     * <a name="line.103"></a>
+<span class="sourceLineNo">104</span>     * &lt;pre&gt;<a name="line.104"></a>
+<span class="sourceLineNo">105</span>     * try (ClosableIterable&amp;lt;Quad&amp;gt; s : graph.iterate()) {<a name="line.105"></a>
+<span class="sourceLineNo">106</span>     *   for (Quad q : quads) {<a name="line.106"></a>
+<span class="sourceLineNo">107</span>     *       return q; // OK to terminate for-loop early<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>     * &lt;/pre&gt;<a name="line.110"></a>
+<span class="sourceLineNo">111</span>     * <a name="line.111"></a>
+<span class="sourceLineNo">112</span>     * If you don't use a try-with-resources block, the iterator will attempt to<a name="line.112"></a>
+<span class="sourceLineNo">113</span>     * close the ClosableIterable when reaching the end of the iteration.<a name="line.113"></a>
+<span class="sourceLineNo">114</span>     */<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    @Override<a name="line.115"></a>
+<span class="sourceLineNo">116</span>    ClosableIterable&lt;Quad&gt; iterate();<a name="line.116"></a>
+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span>    /**<a name="line.118"></a>
+<span class="sourceLineNo">119</span>     * {@inheritDoc}<a name="line.119"></a>
+<span class="sourceLineNo">120</span>     * &lt;p&gt;<a name="line.120"></a>
+<span class="sourceLineNo">121</span>     * Note that for datasets backed by a repository ({@link #asRepository()} is<a name="line.121"></a>
+<span class="sourceLineNo">122</span>     * present), the iterable &lt;strong&gt;must be closed&lt;/strong&gt; with<a name="line.122"></a>
+<span class="sourceLineNo">123</span>     * {@link ClosableIterable#close()}.<a name="line.123"></a>
+<span class="sourceLineNo">124</span>     * &lt;p&gt;<a name="line.124"></a>
+<span class="sourceLineNo">125</span>     * This can generally achieved using a try-with-resources block, e.g.:<a name="line.125"></a>
+<span class="sourceLineNo">126</span>     * <a name="line.126"></a>
+<span class="sourceLineNo">127</span>     * &lt;pre&gt;<a name="line.127"></a>
+<span class="sourceLineNo">128</span>     * try (ClosableIterable&amp;lt;Quad&amp;gt; s : graph.iterate(g,s,p,o)) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span>     *   for (Quad q : quads) {<a name="line.129"></a>
+<span class="sourceLineNo">130</span>     *       return q; // OK to terminate for-loop early<a name="line.130"></a>
+<span class="sourceLineNo">131</span>     *   }<a name="line.131"></a>
+<span class="sourceLineNo">132</span>     * }<a name="line.132"></a>
+<span class="sourceLineNo">133</span>     * &lt;/pre&gt;<a name="line.133"></a>
+<span class="sourceLineNo">134</span>     * <a name="line.134"></a>
+<span class="sourceLineNo">135</span>     * If you don't use a try-with-resources block, the iterator will attempt to<a name="line.135"></a>
+<span class="sourceLineNo">136</span>     * close the ClosableIterable when reaching the end of the iteration.<a name="line.136"></a>
+<span class="sourceLineNo">137</span>     */<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    @Override<a name="line.138"></a>
+<span class="sourceLineNo">139</span>    ClosableIterable&lt;Quad&gt; iterate(Optional&lt;BlankNodeOrIRI&gt; graphName, BlankNodeOrIRI subject, IRI predicate,<a name="line.139"></a>
+<span class="sourceLineNo">140</span>            RDFTerm object);<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span>}<a name="line.142"></a>
+
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+</pre>
+</div>
+</body>
+</html>
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