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Posted to commits@commonsrdf.apache.org by st...@apache.org on 2016/11/17 14:45:36 UTC
svn commit: r1001278 [14/41] - in
/websites/production/commonsrdf/content/commons-rdf-parent: ./ apidocs/
apidocs/org/ apidocs/org/apache/ apidocs/org/apache/commons/
apidocs/org/apache/commons/rdf/ apidocs/org/apache/commons/rdf/api/
apidocs/org/apach...
Added: websites/production/commonsrdf/content/commons-rdf-parent/apidocs/src-html/org/apache/commons/rdf/api/Dataset.html
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--- websites/production/commonsrdf/content/commons-rdf-parent/apidocs/src-html/org/apache/commons/rdf/api/Dataset.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.api;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.util.ConcurrentModificationException;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.Iterator;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.Optional;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.stream.Stream;<a name="line.23"></a>
+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>/**<a name="line.25"></a>
+<span class="sourceLineNo">026</span> * An <a href="http://www.w3.org/TR/rdf11-concepts/#section-rdf-dataset"> RDF<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * 1.1 dataset</a>, a set of RDF quads, as defined by<a name="line.27"></a>
+<span class="sourceLineNo">028</span> * <a href="http://www.w3.org/TR/rdf11-concepts/" >RDF-1.1 Concepts and Abstract<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * Syntax</a>, a W3C Recommendation published on 25 February 2014.<a name="line.29"></a>
+<span class="sourceLineNo">030</span> * <a name="line.30"></a>
+<span class="sourceLineNo">031</span> * @since 0.3.0-incubating<a name="line.31"></a>
+<span class="sourceLineNo">032</span> * @see RDF#createDataset()<a name="line.32"></a>
+<span class="sourceLineNo">033</span> */<a name="line.33"></a>
+<span class="sourceLineNo">034</span>public interface Dataset extends AutoCloseable, GraphLike<Quad> {<a name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span> /**<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * Add a quad to the dataset, possibly mapping any of the components of the<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * Quad to those supported by this dataset.<a name="line.38"></a>
+<span class="sourceLineNo">039</span> *<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * @param quad<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * The quad to add<a name="line.41"></a>
+<span class="sourceLineNo">042</span> */<a name="line.42"></a>
+<span class="sourceLineNo">043</span> @Override<a name="line.43"></a>
+<span class="sourceLineNo">044</span> void add(Quad quad);<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span> /**<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * Add a quad to the dataset, possibly mapping any of the components to<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * those supported by this dataset.<a name="line.48"></a>
+<span class="sourceLineNo">049</span> *<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * @param graphName<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * The graph the quad belongs to, or <code>null</code> for the<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * default graph<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * @param subject<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * The quad subject<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * @param predicate<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * The quad predicate<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * @param object<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * The quad object<a name="line.58"></a>
+<span class="sourceLineNo">059</span> */<a name="line.59"></a>
+<span class="sourceLineNo">060</span> void add(BlankNodeOrIRI graphName, BlankNodeOrIRI subject, IRI predicate, RDFTerm object);<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span> /**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Check if dataset contains quad.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> *<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * @param quad<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * The quad to check.<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * @return True if the dataset contains the given Quad.<a name="line.67"></a>
+<span class="sourceLineNo">068</span> */<a name="line.68"></a>
+<span class="sourceLineNo">069</span> @Override<a name="line.69"></a>
+<span class="sourceLineNo">070</span> boolean contains(Quad quad);<a name="line.70"></a>
+<span class="sourceLineNo">071</span><a name="line.71"></a>
+<span class="sourceLineNo">072</span> /**<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * Check if dataset contains a pattern of quads.<a name="line.73"></a>
+<span class="sourceLineNo">074</span> *<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * @param graphName<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * The graph the quad belongs to, wrapped as an {@link Optional}<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * (<code>null</code> is a wildcard, {@link Optional#empty()} is<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * the default graph)<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * @param subject<a name="line.79"></a>
+<span class="sourceLineNo">080</span> * The quad subject (<code>null</code> is a wildcard)<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * @param predicate<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * The quad predicate (<code>null</code> is a wildcard)<a name="line.82"></a>
+<span class="sourceLineNo">083</span> * @param object<a name="line.83"></a>
+<span class="sourceLineNo">084</span> * The quad object (<code>null</code> is a wildcard)<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * @return True if the dataset contains any quads that match the given<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * pattern.<a name="line.86"></a>
+<span class="sourceLineNo">087</span> */<a name="line.87"></a>
+<span class="sourceLineNo">088</span> boolean contains(Optional<BlankNodeOrIRI> graphName, BlankNodeOrIRI subject, IRI predicate, RDFTerm object);<a name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span> /**<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * Close the dataset, relinquishing any underlying resources.<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * <p><a name="line.92"></a>
+<span class="sourceLineNo">093</span> * For example, this would close any open file and network streams and free<a name="line.93"></a>
+<span class="sourceLineNo">094</span> * database locks held by the dataset implementation.<a name="line.94"></a>
+<span class="sourceLineNo">095</span> * <p><a name="line.95"></a>
+<span class="sourceLineNo">096</span> * The behaviour of the other dataset methods are undefined after closing<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * the dataset.<a name="line.97"></a>
+<span class="sourceLineNo">098</span> * <p><a name="line.98"></a>
+<span class="sourceLineNo">099</span> * Implementations might not need {@link #close()}, hence the default<a name="line.99"></a>
+<span class="sourceLineNo">100</span> * implementation does nothing.<a name="line.100"></a>
+<span class="sourceLineNo">101</span> */<a name="line.101"></a>
+<span class="sourceLineNo">102</span> @Override<a name="line.102"></a>
+<span class="sourceLineNo">103</span> default void close() throws Exception {<a name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> /**<a name="line.106"></a>
+<span class="sourceLineNo">107</span> * Get the default graph of this dataset.<a name="line.107"></a>
+<span class="sourceLineNo">108</span> * <p><a name="line.108"></a>
+<span class="sourceLineNo">109</span> * The {@link Triple}s of the default graph are equivalent to the<a name="line.109"></a>
+<span class="sourceLineNo">110</span> * {@link Quad}s in this Dataset which has the {@link Quad#getGraphName()}<a name="line.110"></a>
+<span class="sourceLineNo">111</span> * set to {@link Optional#empty()}.<a name="line.111"></a>
+<span class="sourceLineNo">112</span> * <p><a name="line.112"></a>
+<span class="sourceLineNo">113</span> * It is unspecified if modifications to the returned Graph are reflected in<a name="line.113"></a>
+<span class="sourceLineNo">114</span> * this Dataset.<a name="line.114"></a>
+<span class="sourceLineNo">115</span> * <p><a name="line.115"></a>
+<span class="sourceLineNo">116</span> * The returned graph MAY be empty.<a name="line.116"></a>
+<span class="sourceLineNo">117</span> * <a name="line.117"></a>
+<span class="sourceLineNo">118</span> * @see #getGraph(BlankNodeOrIRI)<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * @return The default graph of this Dataset<a name="line.119"></a>
+<span class="sourceLineNo">120</span> */<a name="line.120"></a>
+<span class="sourceLineNo">121</span> Graph getGraph();<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span> /**<a name="line.123"></a>
+<span class="sourceLineNo">124</span> * Get a named graph in this dataset.<a name="line.124"></a>
+<span class="sourceLineNo">125</span> * <p><a name="line.125"></a>
+<span class="sourceLineNo">126</span> * The {@link Triple}s of the named graph are equivalent to the the Quads of<a name="line.126"></a>
+<span class="sourceLineNo">127</span> * this Dataset which has the {@link Quad#getGraphName()} equal to the<a name="line.127"></a>
+<span class="sourceLineNo">128</span> * provided <code>graphName</code>, or equal to {@link Optional#empty()} if<a name="line.128"></a>
+<span class="sourceLineNo">129</span> * the provided <code>graphName</code> is <code>null</code>.<a name="line.129"></a>
+<span class="sourceLineNo">130</span> * <p><a name="line.130"></a>
+<span class="sourceLineNo">131</span> * It is unspecified if modifications to the returned Graph are reflected in<a name="line.131"></a>
+<span class="sourceLineNo">132</span> * this Dataset.<a name="line.132"></a>
+<span class="sourceLineNo">133</span> * <p><a name="line.133"></a>
+<span class="sourceLineNo">134</span> * It is unspecified if requesting an unknown or empty graph will return<a name="line.134"></a>
+<span class="sourceLineNo">135</span> * {@link Optional#empty()} or create a new empty {@link Graph}.<a name="line.135"></a>
+<span class="sourceLineNo">136</span> * <a name="line.136"></a>
+<span class="sourceLineNo">137</span> * @see #getGraph()<a name="line.137"></a>
+<span class="sourceLineNo">138</span> * @see #getGraphNames()<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * @param graphName<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * The name of the graph, or <code>null</code> for the default<a name="line.140"></a>
+<span class="sourceLineNo">141</span> * graph.<a name="line.141"></a>
+<span class="sourceLineNo">142</span> * @return The named Graph, or {@link Optional#empty()} if the dataset do<a name="line.142"></a>
+<span class="sourceLineNo">143</span> * not contain the named graph.<a name="line.143"></a>
+<span class="sourceLineNo">144</span> */<a name="line.144"></a>
+<span class="sourceLineNo">145</span> Optional<Graph> getGraph(BlankNodeOrIRI graphName);<a name="line.145"></a>
+<span class="sourceLineNo">146</span><a name="line.146"></a>
+<span class="sourceLineNo">147</span> /**<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * Get the graph names in this Dataset.<a name="line.148"></a>
+<span class="sourceLineNo">149</span> * <p><a name="line.149"></a>
+<span class="sourceLineNo">150</span> * The set of returned graph names is equivalent to the set of unique<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * {@link Quad#getGraphName()} of all the {@link #stream()} of this dataset<a name="line.151"></a>
+<span class="sourceLineNo">152</span> * (excluding the default graph).<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * <p><a name="line.153"></a>
+<span class="sourceLineNo">154</span> * The returned {@link Stream} SHOULD NOT contain duplicate graph names.<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * <p><a name="line.155"></a>
+<span class="sourceLineNo">156</span> * The graph names can be used with {@link #getGraph(BlankNodeOrIRI)} to<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * retrieve the corresponding {@link Graph}, however callers should be aware<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * of any concurrent modifications to the Dataset may cause such calls to<a name="line.158"></a>
+<span class="sourceLineNo">159</span> * return {@link Optional#empty()}.<a name="line.159"></a>
+<span class="sourceLineNo">160</span> * <p><a name="line.160"></a>
+<span class="sourceLineNo">161</span> * Note that a Dataset always contains a <strong>default graph</strong><a name="line.161"></a>
+<span class="sourceLineNo">162</span> * which is not named, and thus is not represented in the returned Stream.<a name="line.162"></a>
+<span class="sourceLineNo">163</span> * The default graph is accessible via {@link #getGraph()} or by using<a name="line.163"></a>
+<span class="sourceLineNo">164</span> * {@link Optional#empty()} in the Quad access methods).<a name="line.164"></a>
+<span class="sourceLineNo">165</span> * <a name="line.165"></a>
+<span class="sourceLineNo">166</span> * @return A {@link Stream} of the graph names of this Dataset.<a name="line.166"></a>
+<span class="sourceLineNo">167</span> */<a name="line.167"></a>
+<span class="sourceLineNo">168</span> Stream<BlankNodeOrIRI> getGraphNames();<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> /**<a name="line.170"></a>
+<span class="sourceLineNo">171</span> * Remove a concrete quad from the dataset.<a name="line.171"></a>
+<span class="sourceLineNo">172</span> *<a name="line.172"></a>
+<span class="sourceLineNo">173</span> * @param quad<a name="line.173"></a>
+<span class="sourceLineNo">174</span> * quad to remove<a name="line.174"></a>
+<span class="sourceLineNo">175</span> */<a name="line.175"></a>
+<span class="sourceLineNo">176</span> @Override<a name="line.176"></a>
+<span class="sourceLineNo">177</span> void remove(Quad quad);<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
+<span class="sourceLineNo">180</span> * Remove a concrete pattern of quads from the default graph of the dataset.<a name="line.180"></a>
+<span class="sourceLineNo">181</span> *<a name="line.181"></a>
+<span class="sourceLineNo">182</span> * @param graphName<a name="line.182"></a>
+<span class="sourceLineNo">183</span> * The graph the quad belongs to, wrapped as an {@link Optional}<a name="line.183"></a>
+<span class="sourceLineNo">184</span> * (<code>null</code> is a wildcard, {@link Optional#empty()} is<a name="line.184"></a>
+<span class="sourceLineNo">185</span> * the default graph)<a name="line.185"></a>
+<span class="sourceLineNo">186</span> * @param subject<a name="line.186"></a>
+<span class="sourceLineNo">187</span> * The quad subject (<code>null</code> is a wildcard)<a name="line.187"></a>
+<span class="sourceLineNo">188</span> * @param predicate<a name="line.188"></a>
+<span class="sourceLineNo">189</span> * The quad predicate (<code>null</code> is a wildcard)<a name="line.189"></a>
+<span class="sourceLineNo">190</span> * @param object<a name="line.190"></a>
+<span class="sourceLineNo">191</span> * The quad object (<code>null</code> is a wildcard)<a name="line.191"></a>
+<span class="sourceLineNo">192</span> */<a name="line.192"></a>
+<span class="sourceLineNo">193</span> void remove(Optional<BlankNodeOrIRI> graphName, BlankNodeOrIRI subject, IRI predicate, RDFTerm object);<a name="line.193"></a>
+<span class="sourceLineNo">194</span><a name="line.194"></a>
+<span class="sourceLineNo">195</span> /**<a name="line.195"></a>
+<span class="sourceLineNo">196</span> * Clear the dataset, removing all quads.<a name="line.196"></a>
+<span class="sourceLineNo">197</span> */<a name="line.197"></a>
+<span class="sourceLineNo">198</span> @Override<a name="line.198"></a>
+<span class="sourceLineNo">199</span> void clear();<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span> /**<a name="line.201"></a>
+<span class="sourceLineNo">202</span> * Number of quads contained by the dataset.<a name="line.202"></a>
+<span class="sourceLineNo">203</span> * <p><a name="line.203"></a>
+<span class="sourceLineNo">204</span> * The count of a set does not include duplicates, consistent with the<a name="line.204"></a>
+<span class="sourceLineNo">205</span> * {@link Quad#equals(Object)} equals method for each {@link Quad}.<a name="line.205"></a>
+<span class="sourceLineNo">206</span> *<a name="line.206"></a>
+<span class="sourceLineNo">207</span> * @return The number of quads in the dataset<a name="line.207"></a>
+<span class="sourceLineNo">208</span> */<a name="line.208"></a>
+<span class="sourceLineNo">209</span> @Override<a name="line.209"></a>
+<span class="sourceLineNo">210</span> long size();<a name="line.210"></a>
+<span class="sourceLineNo">211</span><a name="line.211"></a>
+<span class="sourceLineNo">212</span> /**<a name="line.212"></a>
+<span class="sourceLineNo">213</span> * Get all quads contained by the dataset.<br><a name="line.213"></a>
+<span class="sourceLineNo">214</span> * <p><a name="line.214"></a>
+<span class="sourceLineNo">215</span> * The iteration does not contain any duplicate quads, as determined by the<a name="line.215"></a>
+<span class="sourceLineNo">216</span> * {@link Quad#equals(Object)} method for each {@link Quad}.<a name="line.216"></a>
+<span class="sourceLineNo">217</span> * <p><a name="line.217"></a>
+<span class="sourceLineNo">218</span> * The behaviour of the {@link Stream} is not specified if<a name="line.218"></a>
+<span class="sourceLineNo">219</span> * {@link #add(Quad)}, {@link #remove(Quad)} or {@link #clear()} are called<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * on the {@link Dataset} before it terminates.<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * <p><a name="line.221"></a>
+<span class="sourceLineNo">222</span> * Implementations may throw {@link ConcurrentModificationException} from<a name="line.222"></a>
+<span class="sourceLineNo">223</span> * Stream methods if they detect a conflict while the Stream is active.<a name="line.223"></a>
+<span class="sourceLineNo">224</span> *<a name="line.224"></a>
+<span class="sourceLineNo">225</span> * @return A {@link Stream} over all of the quads in the dataset<a name="line.225"></a>
+<span class="sourceLineNo">226</span> */<a name="line.226"></a>
+<span class="sourceLineNo">227</span> @Override<a name="line.227"></a>
+<span class="sourceLineNo">228</span> Stream<? extends Quad> stream();<a name="line.228"></a>
+<span class="sourceLineNo">229</span><a name="line.229"></a>
+<span class="sourceLineNo">230</span> /**<a name="line.230"></a>
+<span class="sourceLineNo">231</span> * Get all quads contained by the dataset matched with the pattern.<a name="line.231"></a>
+<span class="sourceLineNo">232</span> * <p><a name="line.232"></a>
+<span class="sourceLineNo">233</span> * The iteration does not contain any duplicate quads, as determined by the<a name="line.233"></a>
+<span class="sourceLineNo">234</span> * {@link Quad#equals(Object)} method for each {@link Quad}.<a name="line.234"></a>
+<span class="sourceLineNo">235</span> * <p><a name="line.235"></a>
+<span class="sourceLineNo">236</span> * The behaviour of the {@link Stream} is not specified if<a name="line.236"></a>
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+<span class="sourceLineNo">257</span><a name="line.257"></a>
+<span class="sourceLineNo">258</span> /**<a name="line.258"></a>
+<span class="sourceLineNo">259</span> * Get an Iterable for iterating over all quads in the dataset.<a name="line.259"></a>
+<span class="sourceLineNo">260</span> * <p><a name="line.260"></a>
+<span class="sourceLineNo">261</span> * This method is meant to be used with a Java for-each loop, e.g.:<a name="line.261"></a>
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+<span class="sourceLineNo">267</span> * </pre><a name="line.267"></a>
+<span class="sourceLineNo">268</span> * <a name="line.268"></a>
+<span class="sourceLineNo">269</span> * The behaviour of the iterator is not specified if {@link #add(Quad)},<a name="line.269"></a>
+<span class="sourceLineNo">270</span> * {@link #remove(Quad)} or {@link #clear()}, are called on the<a name="line.270"></a>
+<span class="sourceLineNo">271</span> * {@link Dataset} before it terminates. It is undefined if the returned<a name="line.271"></a>
+<span class="sourceLineNo">272</span> * {@link Iterator} supports the {@link Iterator#remove()} method.<a name="line.272"></a>
+<span class="sourceLineNo">273</span> * <p><a name="line.273"></a>
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+<span class="sourceLineNo">275</span> * Iterator methods if they detect a concurrency conflict while the Iterator<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * is active.<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * <p><a name="line.277"></a>
+<span class="sourceLineNo">278</span> * The {@link Iterable#iterator()} must only be called once, that is the<a name="line.278"></a>
+<span class="sourceLineNo">279</span> * Iterable must only be iterated over once. A {@link IllegalStateException}<a name="line.279"></a>
+<span class="sourceLineNo">280</span> * may be thrown on attempt to reuse the Iterable.<a name="line.280"></a>
+<span class="sourceLineNo">281</span> * <p><a name="line.281"></a>
+<span class="sourceLineNo">282</span> * The default implementation of this method will call {@link #stream()} to<a name="line.282"></a>
+<span class="sourceLineNo">283</span> * return its {@link Stream#iterator()}.<a name="line.283"></a>
+<span class="sourceLineNo">284</span> *<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * @return A {@link Iterable} that returns {@link Iterator} over all of the<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * quads in the dataset<a name="line.286"></a>
+<span class="sourceLineNo">287</span> * @throws IllegalStateException<a name="line.287"></a>
+<span class="sourceLineNo">288</span> * if the {@link Iterable} has been reused<a name="line.288"></a>
+<span class="sourceLineNo">289</span> * @throws ConcurrentModificationException<a name="line.289"></a>
+<span class="sourceLineNo">290</span> * if a concurrency conflict occurs while the Iterator is<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * active.<a name="line.291"></a>
+<span class="sourceLineNo">292</span> */<a name="line.292"></a>
+<span class="sourceLineNo">293</span> @Override<a name="line.293"></a>
+<span class="sourceLineNo">294</span> @SuppressWarnings("unchecked")<a name="line.294"></a>
+<span class="sourceLineNo">295</span> default Iterable<Quad> iterate() throws ConcurrentModificationException, IllegalStateException {<a name="line.295"></a>
+<span class="sourceLineNo">296</span> return ((Stream<Quad>) stream())::iterator;<a name="line.296"></a>
+<span class="sourceLineNo">297</span> }<a name="line.297"></a>
+<span class="sourceLineNo">298</span><a name="line.298"></a>
+<span class="sourceLineNo">299</span> /**<a name="line.299"></a>
+<span class="sourceLineNo">300</span> * Get an Iterable for iterating over the quads in the dataset that match<a name="line.300"></a>
+<span class="sourceLineNo">301</span> * the pattern.<a name="line.301"></a>
+<span class="sourceLineNo">302</span> * <p><a name="line.302"></a>
+<span class="sourceLineNo">303</span> * This method is meant to be used with a Java for-each loop, e.g.:<a name="line.303"></a>
+<span class="sourceLineNo">304</span> * <a name="line.304"></a>
+<span class="sourceLineNo">305</span> * <pre><a name="line.305"></a>
+<span class="sourceLineNo">306</span> * IRI alice = factory.createIRI("http://example.com/alice");<a name="line.306"></a>
+<span class="sourceLineNo">307</span> * IRI knows = factory.createIRI("http://xmlns.com/foaf/0.1/");<a name="line.307"></a>
+<span class="sourceLineNo">308</span> * for (Quad t : dataset.iterate(null, alice, knows, null)) {<a name="line.308"></a>
+<span class="sourceLineNo">309</span> * System.out.println(t.getGraphName());<a name="line.309"></a>
+<span class="sourceLineNo">310</span> * System.out.println(t.getObject());<a name="line.310"></a>
+<span class="sourceLineNo">311</span> * }<a name="line.311"></a>
+<span class="sourceLineNo">312</span> * </pre><a name="line.312"></a>
+<span class="sourceLineNo">313</span> * <p><a name="line.313"></a>
+<span class="sourceLineNo">314</span> * The behaviour of the iterator is not specified if {@link #add(Quad)},<a name="line.314"></a>
+<span class="sourceLineNo">315</span> * {@link #remove(Quad)} or {@link #clear()}, are called on the<a name="line.315"></a>
+<span class="sourceLineNo">316</span> * {@link Dataset} before it terminates. It is undefined if the returned<a name="line.316"></a>
+<span class="sourceLineNo">317</span> * {@link Iterator} supports the {@link Iterator#remove()} method.<a name="line.317"></a>
+<span class="sourceLineNo">318</span> * <p><a name="line.318"></a>
+<span class="sourceLineNo">319</span> * Implementations may throw {@link ConcurrentModificationException} from<a name="line.319"></a>
+<span class="sourceLineNo">320</span> * Iterator methods if they detect a concurrency conflict while the Iterator<a name="line.320"></a>
+<span class="sourceLineNo">321</span> * is active.<a name="line.321"></a>
+<span class="sourceLineNo">322</span> * <p><a name="line.322"></a>
+<span class="sourceLineNo">323</span> * The {@link Iterable#iterator()} must only be called once, that is the<a name="line.323"></a>
+<span class="sourceLineNo">324</span> * Iterable must only be iterated over once. A {@link IllegalStateException}<a name="line.324"></a>
+<span class="sourceLineNo">325</span> * may be thrown on attempt to reuse the Iterable.<a name="line.325"></a>
+<span class="sourceLineNo">326</span> * <p><a name="line.326"></a>
+<span class="sourceLineNo">327</span> * The default implementation of this method will call<a name="line.327"></a>
+<span class="sourceLineNo">328</span> * {@link #stream(Optional, BlankNodeOrIRI, IRI, RDFTerm)} to return its<a name="line.328"></a>
+<span class="sourceLineNo">329</span> * {@link Stream#iterator()}.<a name="line.329"></a>
+<span class="sourceLineNo">330</span> *<a name="line.330"></a>
+<span class="sourceLineNo">331</span> * @param graphName<a name="line.331"></a>
+<span class="sourceLineNo">332</span> * The graph the quad belongs to, wrapped as an {@link Optional}<a name="line.332"></a>
+<span class="sourceLineNo">333</span> * (<code>null</code> is a wildcard, {@link Optional#empty()} is<a name="line.333"></a>
+<span class="sourceLineNo">334</span> * the default graph)<a name="line.334"></a>
+<span class="sourceLineNo">335</span> * @param subject<a name="line.335"></a>
+<span class="sourceLineNo">336</span> * The quad subject (<code>null</code> is a wildcard)<a name="line.336"></a>
+<span class="sourceLineNo">337</span> * @param predicate<a name="line.337"></a>
+<span class="sourceLineNo">338</span> * The quad predicate (<code>null</code> is a wildcard)<a name="line.338"></a>
+<span class="sourceLineNo">339</span> * @param object<a name="line.339"></a>
+<span class="sourceLineNo">340</span> * The quad object (<code>null</code> is a wildcard)<a name="line.340"></a>
+<span class="sourceLineNo">341</span> * @return A {@link Iterable} that returns {@link Iterator} over the<a name="line.341"></a>
+<span class="sourceLineNo">342</span> * matching quads in the dataset<a name="line.342"></a>
+<span class="sourceLineNo">343</span> * @throws IllegalStateException<a name="line.343"></a>
+<span class="sourceLineNo">344</span> * if the {@link Iterable} has been reused<a name="line.344"></a>
+<span class="sourceLineNo">345</span> * @throws ConcurrentModificationException<a name="line.345"></a>
+<span class="sourceLineNo">346</span> * if a concurrency conflict occurs while the Iterator is<a name="line.346"></a>
+<span class="sourceLineNo">347</span> * active.<a name="line.347"></a>
+<span class="sourceLineNo">348</span> */<a name="line.348"></a>
+<span class="sourceLineNo">349</span> @SuppressWarnings("unchecked")<a name="line.349"></a>
+<span class="sourceLineNo">350</span> default Iterable<Quad> iterate(final Optional<BlankNodeOrIRI> graphName, final BlankNodeOrIRI subject, final IRI predicate,<a name="line.350"></a>
+<span class="sourceLineNo">351</span> final RDFTerm object) throws ConcurrentModificationException, IllegalStateException {<a name="line.351"></a>
+<span class="sourceLineNo">352</span> return ((Stream<Quad>) stream(graphName, subject, predicate, object))::iterator;<a name="line.352"></a>
+<span class="sourceLineNo">353</span> }<a name="line.353"></a>
+<span class="sourceLineNo">354</span>}<a name="line.354"></a>
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+</div>
+</body>
+</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.api;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.util.ConcurrentModificationException;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.Iterator;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.stream.Stream;<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> * An <a href="http://www.w3.org/TR/rdf11-concepts/#section-rdf-graph"> RDF 1.1<a name="line.25"></a>
+<span class="sourceLineNo">026</span> * Graph</a>, a set of RDF triples, as defined by<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * <a href="http://www.w3.org/TR/rdf11-concepts/" >RDF-1.1 Concepts and Abstract<a name="line.27"></a>
+<span class="sourceLineNo">028</span> * Syntax</a>, a W3C Recommendation published on 25 February 2014.<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * <a name="line.29"></a>
+<span class="sourceLineNo">030</span> * @see RDF#createGraph()<a name="line.30"></a>
+<span class="sourceLineNo">031</span> */<a name="line.31"></a>
+<span class="sourceLineNo">032</span>public interface Graph extends AutoCloseable, GraphLike<Triple> {<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span> /**<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * Add a triple to the graph, possibly mapping any of the components of the<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * Triple to those supported by this Graph.<a name="line.36"></a>
+<span class="sourceLineNo">037</span> *<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * @param triple<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * The triple to add<a name="line.39"></a>
+<span class="sourceLineNo">040</span> */<a name="line.40"></a>
+<span class="sourceLineNo">041</span> @Override<a name="line.41"></a>
+<span class="sourceLineNo">042</span> void add(Triple triple);<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
+<span class="sourceLineNo">044</span> /**<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * Add a triple to the graph, possibly mapping any of the components to<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * those supported by this Graph.<a name="line.46"></a>
+<span class="sourceLineNo">047</span> *<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * @param subject<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * The triple subject<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * @param predicate<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * The triple predicate<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * @param object<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * The triple object<a name="line.53"></a>
+<span class="sourceLineNo">054</span> */<a name="line.54"></a>
+<span class="sourceLineNo">055</span> void add(BlankNodeOrIRI subject, IRI predicate, RDFTerm object);<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> * Check if graph contains triple.<a name="line.58"></a>
+<span class="sourceLineNo">059</span> *<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * @param triple<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * The triple to check.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * @return True if the Graph contains the given Triple.<a name="line.62"></a>
+<span class="sourceLineNo">063</span> */<a name="line.63"></a>
+<span class="sourceLineNo">064</span> @Override<a name="line.64"></a>
+<span class="sourceLineNo">065</span> boolean contains(Triple triple);<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> /**<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * Check if graph contains a pattern of triples.<a name="line.68"></a>
+<span class="sourceLineNo">069</span> *<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * @param subject<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * The triple subject (null is a wildcard)<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * @param predicate<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * The triple predicate (null is a wildcard)<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * @param object<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * The triple object (null is a wildcard)<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * @return True if the Graph contains any Triples that match the given<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * pattern.<a name="line.77"></a>
+<span class="sourceLineNo">078</span> */<a name="line.78"></a>
+<span class="sourceLineNo">079</span> boolean contains(BlankNodeOrIRI subject, IRI predicate, RDFTerm object);<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span> /**<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * Close the graph, relinquishing any underlying resources.<a name="line.82"></a>
+<span class="sourceLineNo">083</span> * <p><a name="line.83"></a>
+<span class="sourceLineNo">084</span> * For example, this would close any open file and network streams and free<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * database locks held by the Graph implementation.<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * <p><a name="line.86"></a>
+<span class="sourceLineNo">087</span> * The behaviour of the other Graph methods are undefined after closing the<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * graph.<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * <p><a name="line.89"></a>
+<span class="sourceLineNo">090</span> * Implementations might not need {@link #close()}, hence the default<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * implementation does nothing.<a name="line.91"></a>
+<span class="sourceLineNo">092</span> */<a name="line.92"></a>
+<span class="sourceLineNo">093</span> @Override<a name="line.93"></a>
+<span class="sourceLineNo">094</span> default void close() throws Exception {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> }<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span> /**<a name="line.97"></a>
+<span class="sourceLineNo">098</span> * Remove a concrete triple from the graph.<a name="line.98"></a>
+<span class="sourceLineNo">099</span> *<a name="line.99"></a>
+<span class="sourceLineNo">100</span> * @param triple<a name="line.100"></a>
+<span class="sourceLineNo">101</span> * triple to remove<a name="line.101"></a>
+<span class="sourceLineNo">102</span> */<a name="line.102"></a>
+<span class="sourceLineNo">103</span> @Override<a name="line.103"></a>
+<span class="sourceLineNo">104</span> void remove(Triple triple);<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> /**<a name="line.106"></a>
+<span class="sourceLineNo">107</span> * Remove a concrete pattern of triples from the graph.<a name="line.107"></a>
+<span class="sourceLineNo">108</span> *<a name="line.108"></a>
+<span class="sourceLineNo">109</span> * @param subject<a name="line.109"></a>
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+<span class="sourceLineNo">207</span> /**<a name="line.207"></a>
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+<span class="sourceLineNo">211</span> * <a name="line.211"></a>
+<span class="sourceLineNo">212</span> * <pre><a name="line.212"></a>
+<span class="sourceLineNo">213</span> * for (Triple t : graph.iterate()) {<a name="line.213"></a>
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+<span class="sourceLineNo">226</span> * <p><a name="line.226"></a>
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+<span class="sourceLineNo">228</span> * Iterable must only be iterated over once. A {@link IllegalStateException}<a name="line.228"></a>
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+<span class="sourceLineNo">230</span> * <p><a name="line.230"></a>
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+<span class="sourceLineNo">232</span> * its {@link Stream#iterator()}.<a name="line.232"></a>
+<span class="sourceLineNo">233</span> *<a name="line.233"></a>
+<span class="sourceLineNo">234</span> * @return A {@link Iterable} that returns {@link Iterator} over all of the<a name="line.234"></a>
+<span class="sourceLineNo">235</span> * triples in the graph<a name="line.235"></a>
+<span class="sourceLineNo">236</span> * @throws IllegalStateException<a name="line.236"></a>
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+<span class="sourceLineNo">242</span> @Override<a name="line.242"></a>
+<span class="sourceLineNo">243</span> @SuppressWarnings("unchecked")<a name="line.243"></a>
+<span class="sourceLineNo">244</span> default Iterable<Triple> iterate() throws ConcurrentModificationException, IllegalStateException {<a name="line.244"></a>
+<span class="sourceLineNo">245</span> return ((Stream<Triple>) stream())::iterator;<a name="line.245"></a>
+<span class="sourceLineNo">246</span> }<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span> /**<a name="line.248"></a>
+<span class="sourceLineNo">249</span> * Get an Iterable for iterating over the triples in the graph that match<a name="line.249"></a>
+<span class="sourceLineNo">250</span> * the pattern.<a name="line.250"></a>
+<span class="sourceLineNo">251</span> * <p><a name="line.251"></a>
+<span class="sourceLineNo">252</span> * This method is meant to be used with a Java for-each loop, e.g.:<a name="line.252"></a>
+<span class="sourceLineNo">253</span> * <a name="line.253"></a>
+<span class="sourceLineNo">254</span> * <pre><a name="line.254"></a>
+<span class="sourceLineNo">255</span> * IRI alice = factory.createIRI("http://example.com/alice");<a name="line.255"></a>
+<span class="sourceLineNo">256</span> * IRI knows = factory.createIRI("http://xmlns.com/foaf/0.1/");<a name="line.256"></a>
+<span class="sourceLineNo">257</span> * for (Triple t : graph.iterate(alice, knows, null)) {<a name="line.257"></a>
+<span class="sourceLineNo">258</span> * System.out.println(t.getObject());<a name="line.258"></a>
+<span class="sourceLineNo">259</span> * }<a name="line.259"></a>
+<span class="sourceLineNo">260</span> * </pre><a name="line.260"></a>
+<span class="sourceLineNo">261</span> * <p><a name="line.261"></a>
+<span class="sourceLineNo">262</span> * The behaviour of the iterator is not specified if {@link #add(Triple)},<a name="line.262"></a>
+<span class="sourceLineNo">263</span> * {@link #remove(Triple)} or {@link #clear()}, are called on the<a name="line.263"></a>
+<span class="sourceLineNo">264</span> * {@link Graph} before it terminates. It is undefined if the returned<a name="line.264"></a>
+<span class="sourceLineNo">265</span> * {@link Iterator} supports the {@link Iterator#remove()} method.<a name="line.265"></a>
+<span class="sourceLineNo">266</span> * <p><a name="line.266"></a>
+<span class="sourceLineNo">267</span> * Implementations may throw {@link ConcurrentModificationException} from<a name="line.267"></a>
+<span class="sourceLineNo">268</span> * Iterator methods if they detect a concurrency conflict while the Iterator<a name="line.268"></a>
+<span class="sourceLineNo">269</span> * is active.<a name="line.269"></a>
+<span class="sourceLineNo">270</span> * <p><a name="line.270"></a>
+<span class="sourceLineNo">271</span> * The {@link Iterable#iterator()} must only be called once, that is the<a name="line.271"></a>
+<span class="sourceLineNo">272</span> * Iterable must only be iterated over once. A {@link IllegalStateException}<a name="line.272"></a>
+<span class="sourceLineNo">273</span> * may be thrown on attempt to reuse the Iterable.<a name="line.273"></a>
+<span class="sourceLineNo">274</span> * <p><a name="line.274"></a>
+<span class="sourceLineNo">275</span> * The default implementation of this method will call<a name="line.275"></a>
+<span class="sourceLineNo">276</span> * {@link #stream(BlankNodeOrIRI, IRI, RDFTerm)} to return its<a name="line.276"></a>
+<span class="sourceLineNo">277</span> * {@link Stream#iterator()}.<a name="line.277"></a>
+<span class="sourceLineNo">278</span> *<a name="line.278"></a>
+<span class="sourceLineNo">279</span> * @param subject<a name="line.279"></a>
+<span class="sourceLineNo">280</span> * The triple subject (null is a wildcard)<a name="line.280"></a>
+<span class="sourceLineNo">281</span> * @param predicate<a name="line.281"></a>
+<span class="sourceLineNo">282</span> * The triple predicate (null is a wildcard)<a name="line.282"></a>
+<span class="sourceLineNo">283</span> * @param object<a name="line.283"></a>
+<span class="sourceLineNo">284</span> * The triple object (null is a wildcard)<a name="line.284"></a>
+<span class="sourceLineNo">285</span> * @return A {@link Iterable} that returns {@link Iterator} over the<a name="line.285"></a>
+<span class="sourceLineNo">286</span> * matching triples in the graph<a name="line.286"></a>
+<span class="sourceLineNo">287</span> * @throws IllegalStateException<a name="line.287"></a>
+<span class="sourceLineNo">288</span> * if the {@link Iterable} has been reused<a name="line.288"></a>
+<span class="sourceLineNo">289</span> * @throws ConcurrentModificationException<a name="line.289"></a>
+<span class="sourceLineNo">290</span> * if a concurrency conflict occurs while the Iterator is<a name="line.290"></a>
+<span class="sourceLineNo">291</span> * active.<a name="line.291"></a>
+<span class="sourceLineNo">292</span> */<a name="line.292"></a>
+<span class="sourceLineNo">293</span> @SuppressWarnings("unchecked")<a name="line.293"></a>
+<span class="sourceLineNo">294</span> default Iterable<Triple> iterate(final BlankNodeOrIRI subject, final IRI predicate, final RDFTerm object)<a name="line.294"></a>
+<span class="sourceLineNo">295</span> throws ConcurrentModificationException, IllegalStateException {<a name="line.295"></a>
+<span class="sourceLineNo">296</span> return ((Stream<Triple>) stream(subject, predicate, object))::iterator;<a name="line.296"></a>
+<span class="sourceLineNo">297</span> }<a name="line.297"></a>
+<span class="sourceLineNo">298</span>}<a name="line.298"></a>
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+</div>
+</body>
+</html>
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+<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.api;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.util.ConcurrentModificationException;<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>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * A "graph-like" interface that contains {@link TripleLike} statements.<a name="line.24"></a>
+<span class="sourceLineNo">025</span> * <p><a name="line.25"></a>
+<span class="sourceLineNo">026</span> * Extended by {@link Graph} (for {@link Triple}) and {@link Dataset} (for<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * {@link Quad}).<a name="line.27"></a>
+<span class="sourceLineNo">028</span> * <p><a name="line.28"></a>
+<span class="sourceLineNo">029</span> * Unlike {@link Graph} and {@link Dataset}, this interface can support<a name="line.29"></a>
+<span class="sourceLineNo">030</span> * generalised {@link TripleLike} or {@link QuadLike} statements, but does not<a name="line.30"></a>
+<span class="sourceLineNo">031</span> * imply semantics like {@link #size()} or the requirement of mapping<a name="line.31"></a>
+<span class="sourceLineNo">032</span> * {@link RDFTerm} instances from different implementations.<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * <p><a name="line.33"></a>
+<span class="sourceLineNo">034</span> * As {@link TripleLike} do not have a specific {@link Object#equals(Object)}<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * semantics, the behaviour of methods like {@link #contains(TripleLike)} and<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * {@link #remove(TripleLike)} is undefined for arguments that are not object<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * identical to previously added or returned {@link TripleLike} statements.<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * <a name="line.38"></a>
+<span class="sourceLineNo">039</span> * @param <T><a name="line.39"></a>
+<span class="sourceLineNo">040</span> * A {@link TripleLike} type used by the graph methods, typically<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * {@link Triple} or {@link Quad}<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * <a name="line.42"></a>
+<span class="sourceLineNo">043</span> * @since 0.3.0-incubating<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * @see Graph<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * @see Dataset<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * @see TripleLike<a name="line.46"></a>
+<span class="sourceLineNo">047</span> */<a name="line.47"></a>
+<span class="sourceLineNo">048</span>public interface GraphLike<T extends TripleLike> {<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span> /**<a name="line.50"></a>
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+<span class="sourceLineNo">053</span> * @param statement<a name="line.53"></a>
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+<span class="sourceLineNo">086</span><a name="line.86"></a>
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+<span class="sourceLineNo">092</span> Stream<? extends T> stream();<a name="line.92"></a>
+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span> /**<a name="line.94"></a>
+<span class="sourceLineNo">095</span> * Iterate over contained statements.<a name="line.95"></a>
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+<span class="sourceLineNo">098</span> * @throws IllegalStateException<a name="line.98"></a>
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+<span class="sourceLineNo">100</span> * @throws ConcurrentModificationException<a name="line.100"></a>
+<span class="sourceLineNo">101</span> * if a concurrency conflict occurs while the Iterator is<a name="line.101"></a>
+<span class="sourceLineNo">102</span> * active.<a name="line.102"></a>
+<span class="sourceLineNo">103</span> */<a name="line.103"></a>
+<span class="sourceLineNo">104</span> Iterable<T> iterate() throws ConcurrentModificationException, IllegalStateException;<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span>}<a name="line.106"></a>
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+</pre>
+</div>
+</body>
+</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.api;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>/**<a name="line.20"></a>
+<span class="sourceLineNo">021</span> * An <a href= "http://www.w3.org/TR/rdf11-concepts/#dfn-iri" >RDF-1.1 IRI</a>,<a name="line.21"></a>
+<span class="sourceLineNo">022</span> * as defined by <a href= "http://www.w3.org/TR/rdf11-concepts/" >RDF-1.1<a name="line.22"></a>
+<span class="sourceLineNo">023</span> * Concepts and Abstract Syntax</a>, a W3C Recommendation published on 25<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * February 2014.<a name="line.24"></a>
+<span class="sourceLineNo">025</span> * <a name="line.25"></a>
+<span class="sourceLineNo">026</span> * @see RDF#createIRI(String)<a name="line.26"></a>
+<span class="sourceLineNo">027</span> */<a name="line.27"></a>
+<span class="sourceLineNo">028</span>public interface IRI extends BlankNodeOrIRI {<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> * Return the IRI encoded as a native Unicode String.<br><a name="line.31"></a>
+<span class="sourceLineNo">032</span> *<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * The returned string must not include URL-encoding to escape non-ASCII<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * characters.<a name="line.34"></a>
+<span class="sourceLineNo">035</span> *<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * @return The IRI encoded as a native Unicode String.<a name="line.36"></a>
+<span class="sourceLineNo">037</span> */<a name="line.37"></a>
+<span class="sourceLineNo">038</span> String getIRIString();<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span> /**<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * Check it this IRI is equal to another IRI. <blockquote><a name="line.41"></a>
+<span class="sourceLineNo">042</span> * <a href="http://www.w3.org/TR/rdf11-concepts/#section-IRIs">IRI<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * equality</a>: Two IRIs are equal if and only if they are equivalent under<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * Simple String Comparison according to section 5.1 of [RFC3987]. Further<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * normalization MUST NOT be performed when comparing IRIs for equality.<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * </blockquote><a name="line.46"></a>
+<span class="sourceLineNo">047</span> *<a name="line.47"></a>
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+<span class="sourceLineNo">051</span> * Implementations MUST also override {@link #hashCode()} so that two equal<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * IRIs produce the same hash code.<a name="line.52"></a>
+<span class="sourceLineNo">053</span> *<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * @param other<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * Another object<a name="line.55"></a>
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+<span class="sourceLineNo">058</span> */<a name="line.58"></a>
+<span class="sourceLineNo">059</span> @Override<a name="line.59"></a>
+<span class="sourceLineNo">060</span> public boolean equals(Object other);<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span> /**<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Calculate a hash code for this IRI.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * <p><a name="line.64"></a>
+<span class="sourceLineNo">065</span> * The returned hash code MUST be equal to the {@link String#hashCode()} of<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * the {@link #getIRIString()}.<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * <p><a name="line.67"></a>
+<span class="sourceLineNo">068</span> * This method MUST be implemented in conjunction with<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * {@link #equals(Object)} so that two equal IRIs produce the same hash<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * code.<a name="line.70"></a>
+<span class="sourceLineNo">071</span> *<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * @return a hash code value for this IRI.<a name="line.72"></a>
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+<span class="sourceLineNo">075</span> @Override<a name="line.75"></a>
+<span class="sourceLineNo">076</span> public int hashCode();<a name="line.76"></a>
+<span class="sourceLineNo">077</span>}<a name="line.77"></a>
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+</pre>
+</div>
+</body>
+</html>
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