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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 [37/41] - 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/xref/org/apache/commons/rdf/api/Dataset.html
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--- websites/production/commonsrdf/content/commons-rdf-parent/xref/org/apache/commons/rdf/api/Dataset.html (added)
+++ websites/production/commonsrdf/content/commons-rdf-parent/xref/org/apache/commons/rdf/api/Dataset.html Thu Nov 17 14:45:34 2016
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head><meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>Dataset xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../apidocs/org/apache/commons/rdf/api/Dataset.html">View Javadoc</a></div><pre>
+<a class="jxr_linenumber" name="L1" href="#L1">1</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L2" href="#L2">2</a>   <em class="jxr_javadoccomment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
+<a class="jxr_linenumber" name="L3" href="#L3">3</a>   <em class="jxr_javadoccomment"> * or more contributor license agreements. See the NOTICE file</em>
+<a class="jxr_linenumber" name="L4" href="#L4">4</a>   <em class="jxr_javadoccomment"> * distributed with this work for additional information</em>
+<a class="jxr_linenumber" name="L5" href="#L5">5</a>   <em class="jxr_javadoccomment"> * regarding copyright ownership. The ASF licenses this file</em>
+<a class="jxr_linenumber" name="L6" href="#L6">6</a>   <em class="jxr_javadoccomment"> * to you under the Apache License, Version 2.0 (the</em>
+<a class="jxr_linenumber" name="L7" href="#L7">7</a>   <em class="jxr_javadoccomment"> * "License"); you may not use this file except in compliance</em>
+<a class="jxr_linenumber" name="L8" href="#L8">8</a>   <em class="jxr_javadoccomment"> * with the License.  You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="L9" href="#L9">9</a>   <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L10" href="#L10">10</a>  <em class="jxr_javadoccomment"> *     <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
+<a class="jxr_linenumber" name="L11" href="#L11">11</a>  <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L12" href="#L12">12</a>  <em class="jxr_javadoccomment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a class="jxr_linenumber" name="L13" href="#L13">13</a>  <em class="jxr_javadoccomment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a class="jxr_linenumber" name="L14" href="#L14">14</a>  <em class="jxr_javadoccomment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a class="jxr_linenumber" name="L15" href="#L15">15</a>  <em class="jxr_javadoccomment"> * See the License for the specific language governing permissions and</em>
+<a class="jxr_linenumber" name="L16" href="#L16">16</a>  <em class="jxr_javadoccomment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="L17" href="#L17">17</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L18" href="#L18">18</a>  <strong class="jxr_keyword">package</strong> org.apache.commons.rdf.api;
+<a class="jxr_linenumber" name="L19" href="#L19">19</a>  
+<a class="jxr_linenumber" name="L20" href="#L20">20</a>  <strong class="jxr_keyword">import</strong> java.util.ConcurrentModificationException;
+<a class="jxr_linenumber" name="L21" href="#L21">21</a>  <strong class="jxr_keyword">import</strong> java.util.Iterator;
+<a class="jxr_linenumber" name="L22" href="#L22">22</a>  <strong class="jxr_keyword">import</strong> java.util.Optional;
+<a class="jxr_linenumber" name="L23" href="#L23">23</a>  <strong class="jxr_keyword">import</strong> java.util.stream.Stream;
+<a class="jxr_linenumber" name="L24" href="#L24">24</a>  
+<a class="jxr_linenumber" name="L25" href="#L25">25</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L26" href="#L26">26</a>  <em class="jxr_javadoccomment"> * An &lt;a href="<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>#section-rdf-dataset"&gt; RDF</em>
+<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <em class="jxr_javadoccomment"> * 1.1 dataset&lt;/a&gt;, a set of RDF quads, as defined by</em>
+<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <em class="jxr_javadoccomment"> * &lt;a href="<a href="http://www.w3.org/TR/rdf11-concepts/" target="alexandria_uri">http://www.w3.org/TR/rdf11-concepts/</a>" &gt;RDF-1.1 Concepts and Abstract</em>
+<a class="jxr_linenumber" name="L29" href="#L29">29</a>  <em class="jxr_javadoccomment"> * Syntax&lt;/a&gt;, a W3C Recommendation published on 25 February 2014.</em>
+<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <em class="jxr_javadoccomment"> * </em>
+<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <em class="jxr_javadoccomment"> * @since 0.3.0-incubating</em>
+<a class="jxr_linenumber" name="L32" href="#L32">32</a>  <em class="jxr_javadoccomment"> * @see RDF#createDataset()</em>
+<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> <a href="../../../../../org/apache/commons/rdf/api/Dataset.html">Dataset</a> <strong class="jxr_keyword">extends</strong> AutoCloseable, GraphLike&lt;Quad&gt; {
+<a class="jxr_linenumber" name="L35" href="#L35">35</a>  
+<a class="jxr_linenumber" name="L36" href="#L36">36</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L37" href="#L37">37</a>  <em class="jxr_javadoccomment">     * Add a quad to the dataset, possibly mapping any of the components of the</em>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <em class="jxr_javadoccomment">     * Quad to those supported by this dataset.</em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a>  <em class="jxr_javadoccomment">     * @param quad</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_javadoccomment">     *            The quad to add</em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a>      @Override
+<a class="jxr_linenumber" name="L44" href="#L44">44</a>      <strong class="jxr_keyword">void</strong> add(<a href="../../../../../org/apache/commons/rdf/api/Quad.html">Quad</a> quad);
+<a class="jxr_linenumber" name="L45" href="#L45">45</a>  
+<a class="jxr_linenumber" name="L46" href="#L46">46</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a>  <em class="jxr_javadoccomment">     * Add a quad to the dataset, possibly mapping any of the components to</em>
+<a class="jxr_linenumber" name="L48" href="#L48">48</a>  <em class="jxr_javadoccomment">     * those supported by this dataset.</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a>  <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L50" href="#L50">50</a>  <em class="jxr_javadoccomment">     * @param graphName</em>
+<a class="jxr_linenumber" name="L51" href="#L51">51</a>  <em class="jxr_javadoccomment">     *            The graph the quad belongs to, or &lt;code&gt;null&lt;/code&gt; for the</em>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a>  <em class="jxr_javadoccomment">     *            default graph</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a>  <em class="jxr_javadoccomment">     * @param subject</em>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a>  <em class="jxr_javadoccomment">     *            The quad subject</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a>  <em class="jxr_javadoccomment">     * @param predicate</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a>  <em class="jxr_javadoccomment">     *            The quad predicate</em>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a>  <em class="jxr_javadoccomment">     * @param object</em>
+<a class="jxr_linenumber" name="L58" href="#L58">58</a>  <em class="jxr_javadoccomment">     *            The quad object</em>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a>      <strong class="jxr_keyword">void</strong> add(<a href="../../../../../org/apache/commons/rdf/api/BlankNodeOrIRI.html">BlankNodeOrIRI</a> graphName, <a href="../../../../../org/apache/commons/rdf/api/BlankNodeOrIRI.html">BlankNodeOrIRI</a> subject, <a href="../../../../../org/apache/commons/rdf/api/IRI.html">IRI</a> predicate, <a href="../../../../../org/apache/commons/rdf/api/RDFTerm.html">RDFTerm</a> object);
+<a class="jxr_linenumber" name="L61" href="#L61">61</a>  
+<a class="jxr_linenumber" name="L62" href="#L62">62</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a>  <em class="jxr_javadoccomment">     * Check if dataset contains quad.</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a>  <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a>  <em class="jxr_javadoccomment">     * @param quad</em>
+<a class="jxr_linenumber" name="L66" href="#L66">66</a>  <em class="jxr_javadoccomment">     *            The quad to check.</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a>  <em class="jxr_javadoccomment">     * @return True if the dataset contains the given Quad.</em>
+<a class="jxr_linenumber" name="L68" href="#L68">68</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a>      @Override
+<a class="jxr_linenumber" name="L70" href="#L70">70</a>      <strong class="jxr_keyword">boolean</strong> contains(<a href="../../../../../org/apache/commons/rdf/api/Quad.html">Quad</a> quad);
+<a class="jxr_linenumber" name="L71" href="#L71">71</a>  
+<a class="jxr_linenumber" name="L72" href="#L72">72</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a>  <em class="jxr_javadoccomment">     * Check if dataset contains a pattern of quads.</em>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a>  <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L75" href="#L75">75</a>  <em class="jxr_javadoccomment">     * @param graphName</em>
+<a class="jxr_linenumber" name="L76" href="#L76">76</a>  <em class="jxr_javadoccomment">     *            The graph the quad belongs to, wrapped as an {@link Optional}</em>
+<a class="jxr_linenumber" name="L77" href="#L77">77</a>  <em class="jxr_javadoccomment">     *            (&lt;code&gt;null&lt;/code&gt; is a wildcard, {@link Optional#empty()} is</em>
+<a class="jxr_linenumber" name="L78" href="#L78">78</a>  <em class="jxr_javadoccomment">     *            the default graph)</em>
+<a class="jxr_linenumber" name="L79" href="#L79">79</a>  <em class="jxr_javadoccomment">     * @param subject</em>
+<a class="jxr_linenumber" name="L80" href="#L80">80</a>  <em class="jxr_javadoccomment">     *            The quad subject (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L81" href="#L81">81</a>  <em class="jxr_javadoccomment">     * @param predicate</em>
+<a class="jxr_linenumber" name="L82" href="#L82">82</a>  <em class="jxr_javadoccomment">     *            The quad predicate (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L83" href="#L83">83</a>  <em class="jxr_javadoccomment">     * @param object</em>
+<a class="jxr_linenumber" name="L84" href="#L84">84</a>  <em class="jxr_javadoccomment">     *            The quad object (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L85" href="#L85">85</a>  <em class="jxr_javadoccomment">     * @return True if the dataset contains any quads that match the given</em>
+<a class="jxr_linenumber" name="L86" href="#L86">86</a>  <em class="jxr_javadoccomment">     *         pattern.</em>
+<a class="jxr_linenumber" name="L87" href="#L87">87</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L88" href="#L88">88</a>      <strong class="jxr_keyword">boolean</strong> contains(Optional&lt;BlankNodeOrIRI&gt; graphName, <a href="../../../../../org/apache/commons/rdf/api/BlankNodeOrIRI.html">BlankNodeOrIRI</a> subject, <a href="../../../../../org/apache/commons/rdf/api/IRI.html">IRI</a> predicate, <a href="../../../../../org/apache/commons/rdf/api/RDFTerm.html">RDFTerm</a> object);
+<a class="jxr_linenumber" name="L89" href="#L89">89</a>  
+<a class="jxr_linenumber" name="L90" href="#L90">90</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L91" href="#L91">91</a>  <em class="jxr_javadoccomment">     * Close the dataset, relinquishing any underlying resources.</em>
+<a class="jxr_linenumber" name="L92" href="#L92">92</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L93" href="#L93">93</a>  <em class="jxr_javadoccomment">     * For example, this would close any open file and network streams and free</em>
+<a class="jxr_linenumber" name="L94" href="#L94">94</a>  <em class="jxr_javadoccomment">     * database locks held by the dataset implementation.</em>
+<a class="jxr_linenumber" name="L95" href="#L95">95</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L96" href="#L96">96</a>  <em class="jxr_javadoccomment">     * The behaviour of the other dataset methods are undefined after closing</em>
+<a class="jxr_linenumber" name="L97" href="#L97">97</a>  <em class="jxr_javadoccomment">     * the dataset.</em>
+<a class="jxr_linenumber" name="L98" href="#L98">98</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L99" href="#L99">99</a>  <em class="jxr_javadoccomment">     * Implementations might not need {@link #close()}, hence the default</em>
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment">     * implementation does nothing.</em>
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L102" href="#L102">102</a>     @Override
+<a class="jxr_linenumber" name="L103" href="#L103">103</a>     <strong class="jxr_keyword">default</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="L104" href="#L104">104</a>     }
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> 
+<a class="jxr_linenumber" name="L106" href="#L106">106</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment">     * Get the default graph of this dataset.</em>
+<a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment">     * The {@link Triple}s of the default graph are equivalent to the</em>
+<a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment">     * {@link Quad}s in this Dataset which has the {@link Quad#getGraphName()}</em>
+<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment">     * set to {@link Optional#empty()}.</em>
+<a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment">     * It is unspecified if modifications to the returned Graph are reflected in</em>
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment">     * this Dataset.</em>
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment">     * The returned graph MAY be empty.</em>
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">     * </em>
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment">     * @see #getGraph(BlankNodeOrIRI)</em>
+<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment">     * @return The default graph of this Dataset</em>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L121" href="#L121">121</a>     <a href="../../../../../org/apache/commons/rdf/api/Graph.html">Graph</a> getGraph();
+<a class="jxr_linenumber" name="L122" href="#L122">122</a> 
+<a class="jxr_linenumber" name="L123" href="#L123">123</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment">     * Get a named graph in this dataset.</em>
+<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment">     * The {@link Triple}s of the named graph are equivalent to the the Quads of</em>
+<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment">     * this Dataset which has the {@link Quad#getGraphName()} equal to the</em>
+<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment">     * provided &lt;code&gt;graphName&lt;/code&gt;, or equal to {@link Optional#empty()} if</em>
+<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment">     * the provided &lt;code&gt;graphName&lt;/code&gt; is &lt;code&gt;null&lt;/code&gt;.</em>
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment">     * It is unspecified if modifications to the returned Graph are reflected in</em>
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment">     * this Dataset.</em>
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment">     * It is unspecified if requesting an unknown or empty graph will return</em>
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment">     * {@link Optional#empty()} or create a new empty {@link Graph}.</em>
+<a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment">     * </em>
+<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment">     * @see #getGraph()</em>
+<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment">     * @see #getGraphNames()</em>
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment">     * @param graphName</em>
+<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em class="jxr_javadoccomment">     *            The name of the graph, or &lt;code&gt;null&lt;/code&gt; for the default</em>
+<a class="jxr_linenumber" name="L141" href="#L141">141</a> <em class="jxr_javadoccomment">     *            graph.</em>
+<a class="jxr_linenumber" name="L142" href="#L142">142</a> <em class="jxr_javadoccomment">     * @return The named Graph, or {@link Optional#empty()} if the dataset do</em>
+<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment">     *         not contain the named graph.</em>
+<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L145" href="#L145">145</a>     Optional&lt;Graph&gt; getGraph(<a href="../../../../../org/apache/commons/rdf/api/BlankNodeOrIRI.html">BlankNodeOrIRI</a> graphName);
+<a class="jxr_linenumber" name="L146" href="#L146">146</a> 
+<a class="jxr_linenumber" name="L147" href="#L147">147</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em class="jxr_javadoccomment">     * Get the graph names in this Dataset.</em>
+<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_javadoccomment">     * The set of returned graph names is equivalent to the set of unique</em>
+<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_javadoccomment">     * {@link Quad#getGraphName()} of all the {@link #stream()} of this dataset</em>
+<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_javadoccomment">     * (excluding the default graph).</em>
+<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment">     * The returned {@link Stream} SHOULD NOT contain duplicate graph names.</em>
+<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> <em class="jxr_javadoccomment">     * The graph names can be used with {@link #getGraph(BlankNodeOrIRI)} to</em>
+<a class="jxr_linenumber" name="L157" href="#L157">157</a> <em class="jxr_javadoccomment">     * retrieve the corresponding {@link Graph}, however callers should be aware</em>
+<a class="jxr_linenumber" name="L158" href="#L158">158</a> <em class="jxr_javadoccomment">     * of any concurrent modifications to the Dataset may cause such calls to</em>
+<a class="jxr_linenumber" name="L159" href="#L159">159</a> <em class="jxr_javadoccomment">     * return {@link Optional#empty()}.</em>
+<a class="jxr_linenumber" name="L160" href="#L160">160</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L161" href="#L161">161</a> <em class="jxr_javadoccomment">     * Note that a Dataset always contains a &lt;strong&gt;default graph&lt;/strong&gt;</em>
+<a class="jxr_linenumber" name="L162" href="#L162">162</a> <em class="jxr_javadoccomment">     * which is not named, and thus is not represented in the returned Stream.</em>
+<a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment">     * The default graph is accessible via {@link #getGraph()} or by using</em>
+<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_javadoccomment">     * {@link Optional#empty()} in the Quad access methods).</em>
+<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em class="jxr_javadoccomment">     * </em>
+<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em class="jxr_javadoccomment">     * @return A {@link Stream} of the graph names of this Dataset.</em>
+<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L168" href="#L168">168</a>     Stream&lt;BlankNodeOrIRI&gt; getGraphNames();
+<a class="jxr_linenumber" name="L169" href="#L169">169</a> 
+<a class="jxr_linenumber" name="L170" href="#L170">170</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment">     * Remove a concrete quad from the dataset.</em>
+<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_javadoccomment">     * @param quad</em>
+<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_javadoccomment">     *            quad to remove</em>
+<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L176" href="#L176">176</a>     @Override
+<a class="jxr_linenumber" name="L177" href="#L177">177</a>     <strong class="jxr_keyword">void</strong> remove(<a href="../../../../../org/apache/commons/rdf/api/Quad.html">Quad</a> quad);
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> 
+<a class="jxr_linenumber" name="L179" href="#L179">179</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_javadoccomment">     * Remove a concrete pattern of quads from the default graph of the dataset.</em>
+<a class="jxr_linenumber" name="L181" href="#L181">181</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L182" href="#L182">182</a> <em class="jxr_javadoccomment">     * @param graphName</em>
+<a class="jxr_linenumber" name="L183" href="#L183">183</a> <em class="jxr_javadoccomment">     *            The graph the quad belongs to, wrapped as an {@link Optional}</em>
+<a class="jxr_linenumber" name="L184" href="#L184">184</a> <em class="jxr_javadoccomment">     *            (&lt;code&gt;null&lt;/code&gt; is a wildcard, {@link Optional#empty()} is</em>
+<a class="jxr_linenumber" name="L185" href="#L185">185</a> <em class="jxr_javadoccomment">     *            the default graph)</em>
+<a class="jxr_linenumber" name="L186" href="#L186">186</a> <em class="jxr_javadoccomment">     * @param subject</em>
+<a class="jxr_linenumber" name="L187" href="#L187">187</a> <em class="jxr_javadoccomment">     *            The quad subject (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_javadoccomment">     * @param predicate</em>
+<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_javadoccomment">     *            The quad predicate (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_javadoccomment">     * @param object</em>
+<a class="jxr_linenumber" name="L191" href="#L191">191</a> <em class="jxr_javadoccomment">     *            The quad object (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L192" href="#L192">192</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L193" href="#L193">193</a>     <strong class="jxr_keyword">void</strong> remove(Optional&lt;BlankNodeOrIRI&gt; graphName, <a href="../../../../../org/apache/commons/rdf/api/BlankNodeOrIRI.html">BlankNodeOrIRI</a> subject, <a href="../../../../../org/apache/commons/rdf/api/IRI.html">IRI</a> predicate, <a href="../../../../../org/apache/commons/rdf/api/RDFTerm.html">RDFTerm</a> object);
+<a class="jxr_linenumber" name="L194" href="#L194">194</a> 
+<a class="jxr_linenumber" name="L195" href="#L195">195</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_javadoccomment">     * Clear the dataset, removing all quads.</em>
+<a class="jxr_linenumber" name="L197" href="#L197">197</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L198" href="#L198">198</a>     @Override
+<a class="jxr_linenumber" name="L199" href="#L199">199</a>     <strong class="jxr_keyword">void</strong> clear();
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> 
+<a class="jxr_linenumber" name="L201" href="#L201">201</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L202" href="#L202">202</a> <em class="jxr_javadoccomment">     * Number of quads contained by the dataset.</em>
+<a class="jxr_linenumber" name="L203" href="#L203">203</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em class="jxr_javadoccomment">     * The count of a set does not include duplicates, consistent with the</em>
+<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em class="jxr_javadoccomment">     * {@link Quad#equals(Object)} equals method for each {@link Quad}.</em>
+<a class="jxr_linenumber" name="L206" href="#L206">206</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L207" href="#L207">207</a> <em class="jxr_javadoccomment">     * @return The number of quads in the dataset</em>
+<a class="jxr_linenumber" name="L208" href="#L208">208</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L209" href="#L209">209</a>     @Override
+<a class="jxr_linenumber" name="L210" href="#L210">210</a>     <strong class="jxr_keyword">long</strong> size();
+<a class="jxr_linenumber" name="L211" href="#L211">211</a> 
+<a class="jxr_linenumber" name="L212" href="#L212">212</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L213" href="#L213">213</a> <em class="jxr_javadoccomment">     * Get all quads contained by the dataset.&lt;br&gt;</em>
+<a class="jxr_linenumber" name="L214" href="#L214">214</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L215" href="#L215">215</a> <em class="jxr_javadoccomment">     * The iteration does not contain any duplicate quads, as determined by the</em>
+<a class="jxr_linenumber" name="L216" href="#L216">216</a> <em class="jxr_javadoccomment">     * {@link Quad#equals(Object)} method for each {@link Quad}.</em>
+<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L218" href="#L218">218</a> <em class="jxr_javadoccomment">     * The behaviour of the {@link Stream} is not specified if</em>
+<a class="jxr_linenumber" name="L219" href="#L219">219</a> <em class="jxr_javadoccomment">     * {@link #add(Quad)}, {@link #remove(Quad)} or {@link #clear()} are called</em>
+<a class="jxr_linenumber" name="L220" href="#L220">220</a> <em class="jxr_javadoccomment">     * on the {@link Dataset} before it terminates.</em>
+<a class="jxr_linenumber" name="L221" href="#L221">221</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L222" href="#L222">222</a> <em class="jxr_javadoccomment">     * Implementations may throw {@link ConcurrentModificationException} from</em>
+<a class="jxr_linenumber" name="L223" href="#L223">223</a> <em class="jxr_javadoccomment">     * Stream methods if they detect a conflict while the Stream is active.</em>
+<a class="jxr_linenumber" name="L224" href="#L224">224</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L225" href="#L225">225</a> <em class="jxr_javadoccomment">     * @return A {@link Stream} over all of the quads in the dataset</em>
+<a class="jxr_linenumber" name="L226" href="#L226">226</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L227" href="#L227">227</a>     @Override
+<a class="jxr_linenumber" name="L228" href="#L228">228</a>     Stream&lt;? <strong class="jxr_keyword">extends</strong> Quad&gt; stream();
+<a class="jxr_linenumber" name="L229" href="#L229">229</a> 
+<a class="jxr_linenumber" name="L230" href="#L230">230</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L231" href="#L231">231</a> <em class="jxr_javadoccomment">     * Get all quads contained by the dataset matched with the pattern.</em>
+<a class="jxr_linenumber" name="L232" href="#L232">232</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L233" href="#L233">233</a> <em class="jxr_javadoccomment">     * The iteration does not contain any duplicate quads, as determined by the</em>
+<a class="jxr_linenumber" name="L234" href="#L234">234</a> <em class="jxr_javadoccomment">     * {@link Quad#equals(Object)} method for each {@link Quad}.</em>
+<a class="jxr_linenumber" name="L235" href="#L235">235</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L236" href="#L236">236</a> <em class="jxr_javadoccomment">     * The behaviour of the {@link Stream} is not specified if</em>
+<a class="jxr_linenumber" name="L237" href="#L237">237</a> <em class="jxr_javadoccomment">     * {@link #add(Quad)}, {@link #remove(Quad)} or {@link #clear()} are called</em>
+<a class="jxr_linenumber" name="L238" href="#L238">238</a> <em class="jxr_javadoccomment">     * on the {@link Dataset} before it terminates.</em>
+<a class="jxr_linenumber" name="L239" href="#L239">239</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L240" href="#L240">240</a> <em class="jxr_javadoccomment">     * Implementations may throw {@link ConcurrentModificationException} from</em>
+<a class="jxr_linenumber" name="L241" href="#L241">241</a> <em class="jxr_javadoccomment">     * Stream methods if they detect a conflict while the Stream is active.</em>
+<a class="jxr_linenumber" name="L242" href="#L242">242</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em class="jxr_javadoccomment">     * @param graphName</em>
+<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em class="jxr_javadoccomment">     *            The graph the quad belongs to, wrapped as an {@link Optional}</em>
+<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment">     *            (&lt;code&gt;null&lt;/code&gt; is a wildcard, {@link Optional#empty()} is</em>
+<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment">     *            the default graph)</em>
+<a class="jxr_linenumber" name="L247" href="#L247">247</a> <em class="jxr_javadoccomment">     * @param subject</em>
+<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em class="jxr_javadoccomment">     *            The quad subject (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L249" href="#L249">249</a> <em class="jxr_javadoccomment">     * @param predicate</em>
+<a class="jxr_linenumber" name="L250" href="#L250">250</a> <em class="jxr_javadoccomment">     *            The quad predicate (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L251" href="#L251">251</a> <em class="jxr_javadoccomment">     * @param object</em>
+<a class="jxr_linenumber" name="L252" href="#L252">252</a> <em class="jxr_javadoccomment">     *            The quad object (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L253" href="#L253">253</a> <em class="jxr_javadoccomment">     * @return A {@link Stream} over the matched quads.</em>
+<a class="jxr_linenumber" name="L254" href="#L254">254</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L255" href="#L255">255</a>     Stream&lt;? <strong class="jxr_keyword">extends</strong> Quad&gt; stream(Optional&lt;BlankNodeOrIRI&gt; graphName, <a href="../../../../../org/apache/commons/rdf/api/BlankNodeOrIRI.html">BlankNodeOrIRI</a> subject, <a href="../../../../../org/apache/commons/rdf/api/IRI.html">IRI</a> predicate,
+<a class="jxr_linenumber" name="L256" href="#L256">256</a>             <a href="../../../../../org/apache/commons/rdf/api/RDFTerm.html">RDFTerm</a> object);
+<a class="jxr_linenumber" name="L257" href="#L257">257</a> 
+<a class="jxr_linenumber" name="L258" href="#L258">258</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment">     * Get an Iterable for iterating over all quads in the dataset.</em>
+<a class="jxr_linenumber" name="L260" href="#L260">260</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L261" href="#L261">261</a> <em class="jxr_javadoccomment">     * This method is meant to be used with a Java for-each loop, e.g.:</em>
+<a class="jxr_linenumber" name="L262" href="#L262">262</a> <em class="jxr_javadoccomment">     * </em>
+<a class="jxr_linenumber" name="L263" href="#L263">263</a> <em class="jxr_javadoccomment">     * &lt;pre&gt;</em>
+<a class="jxr_linenumber" name="L264" href="#L264">264</a> <em class="jxr_javadoccomment">     * for (Quad t : dataset.iterate()) {</em>
+<a class="jxr_linenumber" name="L265" href="#L265">265</a> <em class="jxr_javadoccomment">     *     System.out.println(t);</em>
+<a class="jxr_linenumber" name="L266" href="#L266">266</a> <em class="jxr_javadoccomment">     * }</em>
+<a class="jxr_linenumber" name="L267" href="#L267">267</a> <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
+<a class="jxr_linenumber" name="L268" href="#L268">268</a> <em class="jxr_javadoccomment">     * </em>
+<a class="jxr_linenumber" name="L269" href="#L269">269</a> <em class="jxr_javadoccomment">     * The behaviour of the iterator is not specified if {@link #add(Quad)},</em>
+<a class="jxr_linenumber" name="L270" href="#L270">270</a> <em class="jxr_javadoccomment">     * {@link #remove(Quad)} or {@link #clear()}, are called on the</em>
+<a class="jxr_linenumber" name="L271" href="#L271">271</a> <em class="jxr_javadoccomment">     * {@link Dataset} before it terminates. It is undefined if the returned</em>
+<a class="jxr_linenumber" name="L272" href="#L272">272</a> <em class="jxr_javadoccomment">     * {@link Iterator} supports the {@link Iterator#remove()} method.</em>
+<a class="jxr_linenumber" name="L273" href="#L273">273</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_javadoccomment">     * Implementations may throw {@link ConcurrentModificationException} from</em>
+<a class="jxr_linenumber" name="L275" href="#L275">275</a> <em class="jxr_javadoccomment">     * Iterator methods if they detect a concurrency conflict while the Iterator</em>
+<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_javadoccomment">     * is active.</em>
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment">     * The {@link Iterable#iterator()} must only be called once, that is the</em>
+<a class="jxr_linenumber" name="L279" href="#L279">279</a> <em class="jxr_javadoccomment">     * Iterable must only be iterated over once. A {@link IllegalStateException}</em>
+<a class="jxr_linenumber" name="L280" href="#L280">280</a> <em class="jxr_javadoccomment">     * may be thrown on attempt to reuse the Iterable.</em>
+<a class="jxr_linenumber" name="L281" href="#L281">281</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L282" href="#L282">282</a> <em class="jxr_javadoccomment">     * The default implementation of this method will call {@link #stream()} to</em>
+<a class="jxr_linenumber" name="L283" href="#L283">283</a> <em class="jxr_javadoccomment">     * return its {@link Stream#iterator()}.</em>
+<a class="jxr_linenumber" name="L284" href="#L284">284</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L285" href="#L285">285</a> <em class="jxr_javadoccomment">     * @return A {@link Iterable} that returns {@link Iterator} over all of the</em>
+<a class="jxr_linenumber" name="L286" href="#L286">286</a> <em class="jxr_javadoccomment">     *         quads in the dataset</em>
+<a class="jxr_linenumber" name="L287" href="#L287">287</a> <em class="jxr_javadoccomment">     * @throws IllegalStateException</em>
+<a class="jxr_linenumber" name="L288" href="#L288">288</a> <em class="jxr_javadoccomment">     *             if the {@link Iterable} has been reused</em>
+<a class="jxr_linenumber" name="L289" href="#L289">289</a> <em class="jxr_javadoccomment">     * @throws ConcurrentModificationException</em>
+<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_javadoccomment">     *             if a concurrency conflict occurs while the Iterator is</em>
+<a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_javadoccomment">     *             active.</em>
+<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L293" href="#L293">293</a>     @Override
+<a class="jxr_linenumber" name="L294" href="#L294">294</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="L295" href="#L295">295</a>     <strong class="jxr_keyword">default</strong> Iterable&lt;Quad&gt; iterate() <strong class="jxr_keyword">throws</strong> ConcurrentModificationException, IllegalStateException {
+<a class="jxr_linenumber" name="L296" href="#L296">296</a>         <strong class="jxr_keyword">return</strong> ((Stream&lt;Quad&gt;) stream())::iterator;
+<a class="jxr_linenumber" name="L297" href="#L297">297</a>     }
+<a class="jxr_linenumber" name="L298" href="#L298">298</a> 
+<a class="jxr_linenumber" name="L299" href="#L299">299</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L300" href="#L300">300</a> <em class="jxr_javadoccomment">     * Get an Iterable for iterating over the quads in the dataset that match</em>
+<a class="jxr_linenumber" name="L301" href="#L301">301</a> <em class="jxr_javadoccomment">     * the pattern.</em>
+<a class="jxr_linenumber" name="L302" href="#L302">302</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em class="jxr_javadoccomment">     * This method is meant to be used with a Java for-each loop, e.g.:</em>
+<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_javadoccomment">     * </em>
+<a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_javadoccomment">     * &lt;pre&gt;</em>
+<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_javadoccomment">     * IRI alice = factory.createIRI("<a href="http://example.com/alice" target="alexandria_uri">http://example.com/alice</a>");</em>
+<a class="jxr_linenumber" name="L307" href="#L307">307</a> <em class="jxr_javadoccomment">     * IRI knows = factory.createIRI("<a href="http://xmlns.com/foaf/0.1/" target="alexandria_uri">http://xmlns.com/foaf/0.1/</a>");</em>
+<a class="jxr_linenumber" name="L308" href="#L308">308</a> <em class="jxr_javadoccomment">     * for (Quad t : dataset.iterate(null, alice, knows, null)) {</em>
+<a class="jxr_linenumber" name="L309" href="#L309">309</a> <em class="jxr_javadoccomment">     *     System.out.println(t.getGraphName());</em>
+<a class="jxr_linenumber" name="L310" href="#L310">310</a> <em class="jxr_javadoccomment">     *     System.out.println(t.getObject());</em>
+<a class="jxr_linenumber" name="L311" href="#L311">311</a> <em class="jxr_javadoccomment">     * }</em>
+<a class="jxr_linenumber" name="L312" href="#L312">312</a> <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
+<a class="jxr_linenumber" name="L313" href="#L313">313</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L314" href="#L314">314</a> <em class="jxr_javadoccomment">     * The behaviour of the iterator is not specified if {@link #add(Quad)},</em>
+<a class="jxr_linenumber" name="L315" href="#L315">315</a> <em class="jxr_javadoccomment">     * {@link #remove(Quad)} or {@link #clear()}, are called on the</em>
+<a class="jxr_linenumber" name="L316" href="#L316">316</a> <em class="jxr_javadoccomment">     * {@link Dataset} before it terminates. It is undefined if the returned</em>
+<a class="jxr_linenumber" name="L317" href="#L317">317</a> <em class="jxr_javadoccomment">     * {@link Iterator} supports the {@link Iterator#remove()} method.</em>
+<a class="jxr_linenumber" name="L318" href="#L318">318</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L319" href="#L319">319</a> <em class="jxr_javadoccomment">     * Implementations may throw {@link ConcurrentModificationException} from</em>
+<a class="jxr_linenumber" name="L320" href="#L320">320</a> <em class="jxr_javadoccomment">     * Iterator methods if they detect a concurrency conflict while the Iterator</em>
+<a class="jxr_linenumber" name="L321" href="#L321">321</a> <em class="jxr_javadoccomment">     * is active.</em>
+<a class="jxr_linenumber" name="L322" href="#L322">322</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L323" href="#L323">323</a> <em class="jxr_javadoccomment">     * The {@link Iterable#iterator()} must only be called once, that is the</em>
+<a class="jxr_linenumber" name="L324" href="#L324">324</a> <em class="jxr_javadoccomment">     * Iterable must only be iterated over once. A {@link IllegalStateException}</em>
+<a class="jxr_linenumber" name="L325" href="#L325">325</a> <em class="jxr_javadoccomment">     * may be thrown on attempt to reuse the Iterable.</em>
+<a class="jxr_linenumber" name="L326" href="#L326">326</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L327" href="#L327">327</a> <em class="jxr_javadoccomment">     * The default implementation of this method will call</em>
+<a class="jxr_linenumber" name="L328" href="#L328">328</a> <em class="jxr_javadoccomment">     * {@link #stream(Optional, BlankNodeOrIRI, IRI, RDFTerm)} to return its</em>
+<a class="jxr_linenumber" name="L329" href="#L329">329</a> <em class="jxr_javadoccomment">     * {@link Stream#iterator()}.</em>
+<a class="jxr_linenumber" name="L330" href="#L330">330</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L331" href="#L331">331</a> <em class="jxr_javadoccomment">     * @param graphName</em>
+<a class="jxr_linenumber" name="L332" href="#L332">332</a> <em class="jxr_javadoccomment">     *            The graph the quad belongs to, wrapped as an {@link Optional}</em>
+<a class="jxr_linenumber" name="L333" href="#L333">333</a> <em class="jxr_javadoccomment">     *            (&lt;code&gt;null&lt;/code&gt; is a wildcard, {@link Optional#empty()} is</em>
+<a class="jxr_linenumber" name="L334" href="#L334">334</a> <em class="jxr_javadoccomment">     *            the default graph)</em>
+<a class="jxr_linenumber" name="L335" href="#L335">335</a> <em class="jxr_javadoccomment">     * @param subject</em>
+<a class="jxr_linenumber" name="L336" href="#L336">336</a> <em class="jxr_javadoccomment">     *            The quad subject (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L337" href="#L337">337</a> <em class="jxr_javadoccomment">     * @param predicate</em>
+<a class="jxr_linenumber" name="L338" href="#L338">338</a> <em class="jxr_javadoccomment">     *            The quad predicate (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L339" href="#L339">339</a> <em class="jxr_javadoccomment">     * @param object</em>
+<a class="jxr_linenumber" name="L340" href="#L340">340</a> <em class="jxr_javadoccomment">     *            The quad object (&lt;code&gt;null&lt;/code&gt; is a wildcard)</em>
+<a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_javadoccomment">     * @return A {@link Iterable} that returns {@link Iterator} over the</em>
+<a class="jxr_linenumber" name="L342" href="#L342">342</a> <em class="jxr_javadoccomment">     *         matching quads in the dataset</em>
+<a class="jxr_linenumber" name="L343" href="#L343">343</a> <em class="jxr_javadoccomment">     * @throws IllegalStateException</em>
+<a class="jxr_linenumber" name="L344" href="#L344">344</a> <em class="jxr_javadoccomment">     *             if the {@link Iterable} has been reused</em>
+<a class="jxr_linenumber" name="L345" href="#L345">345</a> <em class="jxr_javadoccomment">     * @throws ConcurrentModificationException</em>
+<a class="jxr_linenumber" name="L346" href="#L346">346</a> <em class="jxr_javadoccomment">     *             if a concurrency conflict occurs while the Iterator is</em>
+<a class="jxr_linenumber" name="L347" href="#L347">347</a> <em class="jxr_javadoccomment">     *             active.</em>
+<a class="jxr_linenumber" name="L348" href="#L348">348</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L349" href="#L349">349</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="L350" href="#L350">350</a>     <strong class="jxr_keyword">default</strong> Iterable&lt;Quad&gt; iterate(<strong class="jxr_keyword">final</strong> Optional&lt;BlankNodeOrIRI&gt; graphName, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/rdf/api/BlankNodeOrIRI.html">BlankNodeOrIRI</a> subject, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/rdf/api/IRI.html">IRI</a> predicate,
+<a class="jxr_linenumber" name="L351" href="#L351">351</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/rdf/api/RDFTerm.html">RDFTerm</a> object) <strong class="jxr_keyword">throws</strong> ConcurrentModificationException, IllegalStateException {
+<a class="jxr_linenumber" name="L352" href="#L352">352</a>         <strong class="jxr_keyword">return</strong> ((Stream&lt;Quad&gt;) stream(graphName, subject, predicate, object))::iterator;
+<a class="jxr_linenumber" name="L353" href="#L353">353</a>     }
+<a class="jxr_linenumber" name="L354" href="#L354">354</a> }
+</pre>
+<hr/>
+<div id="footer">Copyright &#169; 2015&#x2013;2016 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</div>
+</body>
+</html>
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