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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li><li class="navelem"><a class="el" href="dir_37f05c718b2ac0c918080dddfde08e1d.html">high-level</a></li> </ul>
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<div class="title">vertices_builder.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * distributed with this work for additional information</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * &quot;License&quot;); you may not use this file except in compliance</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * with the License. You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * software distributed under the License is distributed on an</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * KIND, either express or implied. See the License for the</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * specific language governing permissions and limitations</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * under the License.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;any&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;cstddef&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;unordered_map&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &lt;unordered_set&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &quot;graphar/arrow/chunk_writer.h&quot;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &quot;graphar/fwd.h&quot;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#include &quot;graphar/graph_info.h&quot;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#include &quot;graphar/result.h&quot;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor">#include &quot;graphar/status.h&quot;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#include &quot;graphar/types.h&quot;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor">#include &quot;graphar/writer_util.h&quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment">// forward declaration</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">namespace </span>arrow {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword">class </span>Array;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">class </span>Table;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;} <span class="comment">// namespace arrow</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="keyword">namespace </span>graphar::builder {</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html"> 52</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgraphar_1_1builder_1_1_vertex.html">Vertex</a> {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <a class="code" href="classgraphar_1_1builder_1_1_vertex.html">Vertex</a>() : empty_(<span class="keyword">true</span>) {}</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html#ad4b0c92a74322ce0be53523fd254382f"> 61</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#ad4b0c92a74322ce0be53523fd254382f">Vertex</a>(IdType <span class="keywordtype">id</span>) : id_(id), empty_(false) {}</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html#a2779cc7a62e888d2d768edcfd04e75bb"> 68</a></span>&#160; <span class="keyword">inline</span> IdType <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#a2779cc7a62e888d2d768edcfd04e75bb">GetId</a>() const noexcept { <span class="keywordflow">return</span> id_; }</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html#a0e9a9b63017733934286cd99507d7268"> 75</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#a0e9a9b63017733934286cd99507d7268">SetId</a>(IdType <span class="keywordtype">id</span>) { id_ = id; }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html#aa548fa2b39a652afd6a85ac6b51b9547"> 82</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#aa548fa2b39a652afd6a85ac6b51b9547">Empty</a>() const noexcept { <span class="keywordflow">return</span> empty_; }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="comment">// TODO(@acezen): Enable the property to be a vector(list).</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html#a32f5e971b9d675f3f1b8154189994226"> 91</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#a32f5e971b9d675f3f1b8154189994226">AddProperty</a>(<span class="keyword">const</span> std::string&amp; name, <span class="keyword">const</span> std::any&amp; val) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; empty_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; properties_[name] = val;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#a32f5e971b9d675f3f1b8154189994226">AddProperty</a>(<span class="keyword">const</span> Cardinality cardinality,</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">const</span> std::string&amp; name, <span class="keyword">const</span> std::any&amp; val) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">if</span> (cardinality == Cardinality::SINGLE) {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; cardinalities_[name] = Cardinality::SINGLE;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#a32f5e971b9d675f3f1b8154189994226">AddProperty</a>(name, val);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; empty_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">if</span> (cardinalities_.find(name) != cardinalities_.end()) {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">if</span> (cardinalities_[name] != cardinality) {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Cardinality mismatch for property: &quot;</span> + name);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; }</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">auto</span> property_value_list =</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; std::any_cast&lt;std::vector&lt;std::any&gt;&gt;(properties_[name]);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; property_value_list.push_back(val);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; properties_[name] = property_value_list;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">auto</span> property_value_list = std::vector&lt;std::any&gt;();</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; property_value_list.push_back(val);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; properties_[name] = property_value_list;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; cardinalities_[name] = cardinality;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; </div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html#a25721d8da028bae7459aef802f0964ed"> 126</a></span>&#160; <span class="keyword">inline</span> <span class="keyword">const</span> std::any&amp; <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#a25721d8da028bae7459aef802f0964ed">GetProperty</a>(<span class="keyword">const</span> std::string&amp; property)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">return</span> properties_.at(property);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; </div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html#acf252d94df3623e8fde2c86d446ebb88"> 135</a></span>&#160; <span class="keyword">inline</span> <span class="keyword">const</span> std::unordered_map&lt;std::string, std::any&gt;&amp; <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#acf252d94df3623e8fde2c86d446ebb88">GetProperties</a>()<span class="keyword"></span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">return</span> properties_;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; </div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertex.html#aa5a0b6642af081eea1faebe3f87d4170"> 146</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classgraphar_1_1builder_1_1_vertex.html#aa5a0b6642af081eea1faebe3f87d4170">ContainProperty</a>(<span class="keyword">const</span> std::string&amp; property) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">return</span> (properties_.find(property) != properties_.end());</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keyword">inline</span> <span class="keywordtype">bool</span> IsMultiProperty(<span class="keyword">const</span> std::string&amp; property)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">return</span> (cardinalities_.find(property) != cardinalities_.end() &amp;&amp;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; cardinalities_.at(property) != Cardinality::SINGLE);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <a class="code" href="classgraphar_1_1_status.html">Status</a> ValidatePropertyType(<span class="keyword">const</span> std::string&amp; property,</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keyword">const</span> Cardinality cardinality)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">if</span> (cardinality == Cardinality::SINGLE &amp;&amp; IsMultiProperty(property)) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="stringliteral">&quot;Invalid data cardinality for property &quot;</span>, property,</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="stringliteral">&quot;, defined as SINGLE but got &quot;</span>,</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; cardinalities_.at(property) == Cardinality::LIST ? <span class="stringliteral">&quot;LIST&quot;</span> : <span class="stringliteral">&quot;SET&quot;</span>);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">if</span> (IsMultiProperty(property) &amp;&amp;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; (cardinality == Cardinality::SET ||</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; cardinalities_.at(property) == Cardinality::SET)) {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; GAR_RETURN_NOT_OK(ValidateMultiPropertySet&lt;T&gt;(property));</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">if</span> (IsMultiProperty(property)) {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keyword">auto</span> value_list =</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; std::any_cast&lt;std::vector&lt;std::any&gt;&gt;(properties_.at(property));</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> value : value_list) {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keyword">auto</span>&amp; value_type = value.type();</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keywordflow">if</span> (value_type != <span class="keyword">typeid</span>(T)) {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(<span class="stringliteral">&quot;Invalid data type for property &quot;</span>, property,</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="stringliteral">&quot;, defined as &quot;</span>, <span class="keyword">typeid</span>(T).name(),</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="stringliteral">&quot;, but got &quot;</span>, value_type.name());</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keyword">auto</span>&amp; value_type = properties_.at(property).type();</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keywordflow">if</span> (value_type != <span class="keyword">typeid</span>(T)) {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(<span class="stringliteral">&quot;Invalid data type for property &quot;</span>, property,</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="stringliteral">&quot;, defined as &quot;</span>, <span class="keyword">typeid</span>(T).name(),</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="stringliteral">&quot;, but got &quot;</span>, value_type.name());</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; }</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; Status ValidateMultiProperty(<span class="keyword">const</span> std::string&amp; property)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordflow">if</span> (IsMultiProperty(property) &amp;&amp;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; cardinalities_.at(property) == Cardinality::SET) {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; GAR_RETURN_NOT_OK(ValidateMultiPropertySet&lt;T&gt;(property));</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; Status ValidateMultiPropertySet(<span class="keyword">const</span> std::string&amp; property)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keyword">auto</span> vec = std::any_cast&lt;std::vector&lt;std::any&gt;&gt;(properties_.at(property));</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; std::unordered_set&lt;T&gt; seen;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; item : vec) {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordflow">if</span> (!seen.insert(std::any_cast&lt;T&gt;(item)).second) {</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="stringliteral">&quot;Duplicate values exist in set type multi-property key: &quot;</span>, property,</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="stringliteral">&quot; value: &quot;</span>, std::any_cast&lt;T&gt;(item));</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; }</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; IdType id_;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="keywordtype">bool</span> empty_;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; std::unordered_map&lt;std::string, std::any&gt; properties_;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; std::unordered_map&lt;std::string, Cardinality&gt; cardinalities_;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;};</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html"> 226</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html">VerticesBuilder</a> {</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#acc85e675bdcdf0e0633a7871bf79bb57"> 241</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#acc85e675bdcdf0e0633a7871bf79bb57">VerticesBuilder</a>(</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="keyword">const</span> std::shared_ptr&lt;VertexInfo&gt;&amp; vertex_info, <span class="keyword">const</span> std::string&amp; prefix,</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; IdType start_vertex_index = 0,</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; std::shared_ptr&lt;WriterOptions&gt; writerOptions = <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <span class="keyword">const</span> ValidateLevel&amp; validate_level = ValidateLevel::no_validate)</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; : vertex_info_(std::move(vertex_info)),</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; prefix_(prefix),</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; start_vertex_index_(start_vertex_index),</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; writer_options_(writerOptions),</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; validate_level_(validate_level) {</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="keywordflow">if</span> (validate_level_ == ValidateLevel::default_validate) {</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <span class="keywordflow">throw</span> std::runtime_error(</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="stringliteral">&quot;default_validate is not allowed to be set as the global validate &quot;</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="stringliteral">&quot;level for VerticesBuilder&quot;</span>);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; }</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; vertices_.clear();</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; num_vertices_ = 0;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; is_saved_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; }</div>
<div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#a2f1f8f6a1a913448f1cfad5c77a752ef"> 263</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a2f1f8f6a1a913448f1cfad5c77a752ef">Clear</a>() {</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; vertices_.clear();</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; num_vertices_ = 0;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; is_saved_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; </div>
<div class="line"><a name="l00275"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#a71995d500d250dcde4a720fc7784b4c4"> 275</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a71995d500d250dcde4a720fc7784b4c4">SetWriterOptions</a>(std::shared_ptr&lt;WriterOptions&gt; writer_options) {</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; this-&gt;writer_options_ = writer_options;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; }</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; </div>
<div class="line"><a name="l00285"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#ac53141acf10d53d62cb29ddde271c37a"> 285</a></span>&#160; <span class="keyword">inline</span> std::shared_ptr&lt;WriterOptions&gt; <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#ac53141acf10d53d62cb29ddde271c37a">GetWriterOptions</a>() {</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <span class="keywordflow">return</span> this-&gt;writer_options_;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; }</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; </div>
<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#a02529b3a8cb157af616a10f546e812e3"> 294</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a02529b3a8cb157af616a10f546e812e3">SetValidateLevel</a>(<span class="keyword">const</span> ValidateLevel&amp; validate_level) {</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate) {</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; }</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; validate_level_ = validate_level;</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; }</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; </div>
<div class="line"><a name="l00306"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#ac34074a92e9d48a3060a645d0b58f068"> 306</a></span>&#160; <span class="keyword">inline</span> ValidateLevel <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#ac34074a92e9d48a3060a645d0b58f068">GetValidateLevel</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> validate_level_; }</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; </div>
<div class="line"><a name="l00330"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#a6ea4ec6528ca89d08e9c413dea1a06ca"> 330</a></span>&#160; <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a6ea4ec6528ca89d08e9c413dea1a06ca">AddVertex</a>(</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; <a class="code" href="classgraphar_1_1builder_1_1_vertex.html">Vertex</a>&amp; v, IdType index = -1, <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; ValidateLevel validate_level = ValidateLevel::default_validate) {</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <span class="comment">// validate</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; GAR_RETURN_NOT_OK(validate(v, index, validate_level));</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; <span class="comment">// add a vertex</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="keywordflow">if</span> (index == -1) {</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; v.<a class="code" href="classgraphar_1_1builder_1_1_vertex.html#a0e9a9b63017733934286cd99507d7268">SetId</a>(vertices_.size());</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; vertices_.push_back(v);</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; v.<a class="code" href="classgraphar_1_1builder_1_1_vertex.html#a0e9a9b63017733934286cd99507d7268">SetId</a>(index);</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="keywordflow">if</span> (index &gt;= <span class="keyword">static_cast&lt;</span>IdType<span class="keyword">&gt;</span>(vertices_.size()))</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; vertices_.resize(index + 1);</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; vertices_[index] = v;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; }</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; num_vertices_++;</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; }</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; </div>
<div class="line"><a name="l00354"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#abbfa8e3626d4ba178eb242e31567b1f7"> 354</a></span>&#160; IdType <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#abbfa8e3626d4ba178eb242e31567b1f7">GetNum</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> num_vertices_; }</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; </div>
<div class="line"><a name="l00361"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#acd303f1b1cba9b0c4e249695dd3b5fe9"> 361</a></span>&#160; <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#acd303f1b1cba9b0c4e249695dd3b5fe9">Dump</a>() {</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="comment">// construct the writer</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; <a class="code" href="classgraphar_1_1_vertex_property_writer.html">VertexPropertyWriter</a> writer(vertex_info_, prefix_, writer_options_,</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; validate_level_);</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; IdType start_chunk_index =</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; start_vertex_index_ / vertex_info_-&gt;GetChunkSize();</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; <span class="comment">// convert to table</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> input_table, convertToTable());</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; <span class="comment">// write table</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; GAR_RETURN_NOT_OK(writer.<a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(input_table, start_chunk_index));</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; GAR_RETURN_NOT_OK(</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; writer.<a class="code" href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">WriteVerticesNum</a>(num_vertices_ + start_vertex_index_));</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; is_saved_ = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; vertices_.clear();</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; }</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; </div>
<div class="line"><a name="l00389"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#a8ae83bcc25a18c4caf4774c02292ca73"> 389</a></span>&#160; <span class="keyword">static</span> Result&lt;std::shared_ptr&lt;VerticesBuilder&gt;&gt; <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a8ae83bcc25a18c4caf4774c02292ca73">Make</a>(</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; <span class="keyword">const</span> std::shared_ptr&lt;VertexInfo&gt;&amp; vertex_info, <span class="keyword">const</span> std::string&amp; prefix,</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; std::shared_ptr&lt;WriterOptions&gt; writer_options,</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; IdType start_vertex_index = 0,</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; <span class="keyword">const</span> ValidateLevel&amp; validate_level = ValidateLevel::no_validate) {</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; <span class="keywordflow">return</span> std::make_shared&lt;VerticesBuilder&gt;(vertex_info, prefix,</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; start_vertex_index, writer_options,</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; validate_level);</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; }</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; </div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="keyword">static</span> Result&lt;std::shared_ptr&lt;VerticesBuilder&gt;&gt; <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a8ae83bcc25a18c4caf4774c02292ca73">Make</a>(</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; <span class="keyword">const</span> std::shared_ptr&lt;VertexInfo&gt;&amp; vertex_info, <span class="keyword">const</span> std::string&amp; prefix,</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; IdType start_vertex_index = 0,</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; <span class="keyword">const</span> ValidateLevel&amp; validate_level = ValidateLevel::no_validate) {</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; <span class="keywordflow">return</span> std::make_shared&lt;VerticesBuilder&gt;(</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; vertex_info, prefix, start_vertex_index, <span class="keyword">nullptr</span>, validate_level);</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; }</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; </div>
<div class="line"><a name="l00418"></a><span class="lineno"><a class="line" href="classgraphar_1_1builder_1_1_vertices_builder.html#ad110ed27ea89b51c297fdf5dc022a232"> 418</a></span>&#160; <span class="keyword">static</span> Result&lt;std::shared_ptr&lt;VerticesBuilder&gt;&gt; <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#ad110ed27ea89b51c297fdf5dc022a232">Make</a>(</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160; <span class="keyword">const</span> std::shared_ptr&lt;GraphInfo&gt;&amp; graph_info, <span class="keyword">const</span> std::string&amp; type,</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; std::shared_ptr&lt;WriterOptions&gt; writer_options,</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; IdType start_vertex_index = 0,</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; <span class="keyword">const</span> ValidateLevel&amp; validate_level = ValidateLevel::no_validate) {</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> vertex_info = graph_info-&gt;GetVertexInfo(type);</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; <span class="keywordflow">if</span> (!vertex_info) {</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">&quot;The vertex type &quot;</span>, type,</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; <span class="stringliteral">&quot; doesn&#39;t exist in graph &quot;</span>, graph_info-&gt;GetName(),</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="stringliteral">&quot;.&quot;</span>);</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; }</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a8ae83bcc25a18c4caf4774c02292ca73">Make</a>(vertex_info, graph_info-&gt;GetPrefix(), writer_options,</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; start_vertex_index, validate_level);</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; </div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; <span class="keyword">static</span> Result&lt;std::shared_ptr&lt;VerticesBuilder&gt;&gt; <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a8ae83bcc25a18c4caf4774c02292ca73">Make</a>(</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; <span class="keyword">const</span> std::shared_ptr&lt;GraphInfo&gt;&amp; graph_info, <span class="keyword">const</span> std::string&amp; type,</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; IdType start_vertex_index = 0,</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; <span class="keyword">const</span> ValidateLevel&amp; validate_level = ValidateLevel::no_validate) {</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> vertex_info = graph_info-&gt;GetVertexInfo(type);</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160; <span class="keywordflow">if</span> (!vertex_info) {</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">&quot;The vertex type &quot;</span>, type,</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160; <span class="stringliteral">&quot; doesn&#39;t exist in graph &quot;</span>, graph_info-&gt;GetName(),</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160; <span class="stringliteral">&quot;.&quot;</span>);</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160; }</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1builder_1_1_vertices_builder.html#a8ae83bcc25a18c4caf4774c02292ca73">Make</a>(vertex_info, graph_info-&gt;GetPrefix(), <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160; start_vertex_index, validate_level);</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>&#160; }</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>&#160; </div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160; Status validate(<span class="keyword">const</span> Vertex&amp; v, IdType index,</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#160; ValidateLevel validate_level) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160; </div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>&#160; Status appendToArray(<span class="keyword">const</span> std::shared_ptr&lt;DataType&gt;&amp; type,</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>&#160; <span class="keyword">const</span> std::string&amp; property_name,</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>&#160; std::shared_ptr&lt;arrow::Array&gt;&amp; array); <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>&#160; </div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>&#160; <span class="keyword">template</span> &lt;Type type&gt;</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>&#160; Status tryToAppend(<span class="keyword">const</span> std::string&amp; property_name,</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>&#160; std::shared_ptr&lt;arrow::Array&gt;&amp; array); <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>&#160; </div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>&#160; Result&lt;std::shared_ptr&lt;arrow::Table&gt;&gt; convertToTable();</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>&#160; </div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>&#160; std::shared_ptr&lt;VertexInfo&gt; vertex_info_;</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>&#160; std::string prefix_;</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>&#160; std::vector&lt;Vertex&gt; vertices_;</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>&#160; IdType start_vertex_index_;</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>&#160; IdType num_vertices_;</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>&#160; <span class="keywordtype">bool</span> is_saved_;</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>&#160; std::shared_ptr&lt;WriterOptions&gt; writer_options_;</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>&#160; ValidateLevel validate_level_;</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>&#160;};</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>&#160; </div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>&#160;} <span class="comment">// namespace graphar::builder</span></div>
<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a3335cf4bf5cd222d5e29b01fe95e919a"><div class="ttname"><a href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">graphar::Status::TypeError</a></div><div class="ttdeci">static Status TypeError(Args &amp;&amp;... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00178">status.h:178</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a4ee4924ddadfc2c1effc055572084d71"><div class="ttname"><a href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">graphar::Status::KeyError</a></div><div class="ttdeci">static Status KeyError(Args &amp;&amp;... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00172">status.h:172</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_ad92f5c41a661d4f468390e39da90f881"><div class="ttname"><a href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">graphar::Status::OK</a></div><div class="ttdeci">static Status OK()</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00157">status.h:157</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></div><div class="ttdoc">The writer for vertex property group chunks.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8h_source.html#l00057">chunk_writer.h:57</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_addf40fb82fe987af091278e01995b87a"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">graphar::VertexPropertyWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &amp;count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8cc_source.html#l00216">chunk_writer.cc:216</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_adea3f0326fad64bc061bc5b01790ab47"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">graphar::VertexPropertyWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr&lt; arrow::Table &gt; &amp;input_table, const std::shared_ptr&lt; PropertyGroup &gt; &amp;property_group, IdType start_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write a single property group for multiple vertex chunks to corresponding files.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8cc_source.html#l00286">chunk_writer.cc:286</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html">graphar::builder::Vertex</a></div><div class="ttdoc">Vertex is designed for constructing vertices builder.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00052">vertices_builder.h:52</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html_a0e9a9b63017733934286cd99507d7268"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html#a0e9a9b63017733934286cd99507d7268">graphar::builder::Vertex::SetId</a></div><div class="ttdeci">void SetId(IdType id)</div><div class="ttdoc">Set id of the vertex.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00075">vertices_builder.h:75</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html_a25721d8da028bae7459aef802f0964ed"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html#a25721d8da028bae7459aef802f0964ed">graphar::builder::Vertex::GetProperty</a></div><div class="ttdeci">const std::any &amp; GetProperty(const std::string &amp;property) const</div><div class="ttdoc">Get a property of the vertex.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00126">vertices_builder.h:126</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html_a2779cc7a62e888d2d768edcfd04e75bb"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html#a2779cc7a62e888d2d768edcfd04e75bb">graphar::builder::Vertex::GetId</a></div><div class="ttdeci">IdType GetId() const noexcept</div><div class="ttdoc">Get id of the vertex.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00068">vertices_builder.h:68</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html_a32f5e971b9d675f3f1b8154189994226"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html#a32f5e971b9d675f3f1b8154189994226">graphar::builder::Vertex::AddProperty</a></div><div class="ttdeci">void AddProperty(const std::string &amp;name, const std::any &amp;val)</div><div class="ttdoc">Add a property to the vertex.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00091">vertices_builder.h:91</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html_aa548fa2b39a652afd6a85ac6b51b9547"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html#aa548fa2b39a652afd6a85ac6b51b9547">graphar::builder::Vertex::Empty</a></div><div class="ttdeci">bool Empty() const noexcept</div><div class="ttdoc">Check if the vertex is empty.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00082">vertices_builder.h:82</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html_aa5a0b6642af081eea1faebe3f87d4170"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html#aa5a0b6642af081eea1faebe3f87d4170">graphar::builder::Vertex::ContainProperty</a></div><div class="ttdeci">bool ContainProperty(const std::string &amp;property)</div><div class="ttdoc">Check if the vertex contains a property.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00146">vertices_builder.h:146</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html_acf252d94df3623e8fde2c86d446ebb88"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html#acf252d94df3623e8fde2c86d446ebb88">graphar::builder::Vertex::GetProperties</a></div><div class="ttdeci">const std::unordered_map&lt; std::string, std::any &gt; &amp; GetProperties() const</div><div class="ttdoc">Get all properties of the vertex.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00135">vertices_builder.h:135</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertex_html_ad4b0c92a74322ce0be53523fd254382f"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertex.html#ad4b0c92a74322ce0be53523fd254382f">graphar::builder::Vertex::Vertex</a></div><div class="ttdeci">Vertex(IdType id)</div><div class="ttdoc">Initialize the vertex with a given id.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00061">vertices_builder.h:61</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html">graphar::builder::VerticesBuilder</a></div><div class="ttdoc">VertexBuilder is designed for building and writing a collection of vertices.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00226">vertices_builder.h:226</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_a02529b3a8cb157af616a10f546e812e3"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#a02529b3a8cb157af616a10f546e812e3">graphar::builder::VerticesBuilder::SetValidateLevel</a></div><div class="ttdeci">void SetValidateLevel(const ValidateLevel &amp;validate_level)</div><div class="ttdoc">Set the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00294">vertices_builder.h:294</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_a2f1f8f6a1a913448f1cfad5c77a752ef"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#a2f1f8f6a1a913448f1cfad5c77a752ef">graphar::builder::VerticesBuilder::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdoc">Clear the vertices in this VerciesBuilder.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00263">vertices_builder.h:263</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_a6ea4ec6528ca89d08e9c413dea1a06ca"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#a6ea4ec6528ca89d08e9c413dea1a06ca">graphar::builder::VerticesBuilder::AddVertex</a></div><div class="ttdeci">Status AddVertex(Vertex &amp;v, IdType index=-1, ValidateLevel validate_level=ValidateLevel::default_validate)</div><div class="ttdoc">Add a vertex with the given index.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00330">vertices_builder.h:330</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_a71995d500d250dcde4a720fc7784b4c4"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#a71995d500d250dcde4a720fc7784b4c4">graphar::builder::VerticesBuilder::SetWriterOptions</a></div><div class="ttdeci">void SetWriterOptions(std::shared_ptr&lt; WriterOptions &gt; writer_options)</div><div class="ttdoc">Set the writerOptions.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00275">vertices_builder.h:275</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_a8ae83bcc25a18c4caf4774c02292ca73"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#a8ae83bcc25a18c4caf4774c02292ca73">graphar::builder::VerticesBuilder::Make</a></div><div class="ttdeci">static Result&lt; std::shared_ptr&lt; VerticesBuilder &gt; &gt; Make(const std::shared_ptr&lt; VertexInfo &gt; &amp;vertex_info, const std::string &amp;prefix, std::shared_ptr&lt; WriterOptions &gt; writer_options, IdType start_vertex_index=0, const ValidateLevel &amp;validate_level=ValidateLevel::no_validate)</div><div class="ttdoc">Construct a VertexBuilder from vertex info.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00389">vertices_builder.h:389</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_abbfa8e3626d4ba178eb242e31567b1f7"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#abbfa8e3626d4ba178eb242e31567b1f7">graphar::builder::VerticesBuilder::GetNum</a></div><div class="ttdeci">IdType GetNum() const</div><div class="ttdoc">Get the current number of vertices in the collection.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00354">vertices_builder.h:354</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_ac34074a92e9d48a3060a645d0b58f068"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#ac34074a92e9d48a3060a645d0b58f068">graphar::builder::VerticesBuilder::GetValidateLevel</a></div><div class="ttdeci">ValidateLevel GetValidateLevel() const</div><div class="ttdoc">Get the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00306">vertices_builder.h:306</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_ac53141acf10d53d62cb29ddde271c37a"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#ac53141acf10d53d62cb29ddde271c37a">graphar::builder::VerticesBuilder::GetWriterOptions</a></div><div class="ttdeci">std::shared_ptr&lt; WriterOptions &gt; GetWriterOptions()</div><div class="ttdoc">Set the writerOptions.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00285">vertices_builder.h:285</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_acc85e675bdcdf0e0633a7871bf79bb57"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#acc85e675bdcdf0e0633a7871bf79bb57">graphar::builder::VerticesBuilder::VerticesBuilder</a></div><div class="ttdeci">VerticesBuilder(const std::shared_ptr&lt; VertexInfo &gt; &amp;vertex_info, const std::string &amp;prefix, IdType start_vertex_index=0, std::shared_ptr&lt; WriterOptions &gt; writerOptions=nullptr, const ValidateLevel &amp;validate_level=ValidateLevel::no_validate)</div><div class="ttdoc">Initialize the VerticesBuilder.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00241">vertices_builder.h:241</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_acd303f1b1cba9b0c4e249695dd3b5fe9"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#acd303f1b1cba9b0c4e249695dd3b5fe9">graphar::builder::VerticesBuilder::Dump</a></div><div class="ttdeci">Status Dump()</div><div class="ttdoc">Dump the collection into files.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00361">vertices_builder.h:361</a></div></div>
<div class="ttc" id="aclassgraphar_1_1builder_1_1_vertices_builder_html_ad110ed27ea89b51c297fdf5dc022a232"><div class="ttname"><a href="classgraphar_1_1builder_1_1_vertices_builder.html#ad110ed27ea89b51c297fdf5dc022a232">graphar::builder::VerticesBuilder::Make</a></div><div class="ttdeci">static Result&lt; std::shared_ptr&lt; VerticesBuilder &gt; &gt; Make(const std::shared_ptr&lt; GraphInfo &gt; &amp;graph_info, const std::string &amp;type, std::shared_ptr&lt; WriterOptions &gt; writer_options, IdType start_vertex_index=0, const ValidateLevel &amp;validate_level=ValidateLevel::no_validate)</div><div class="ttdoc">Construct a VertexBuilder from graph info and vertex type.</div><div class="ttdef"><b>Definition:</b> <a href="vertices__builder_8h_source.html#l00418">vertices_builder.h:418</a></div></div>
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