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<p class="MsoNormal"><span style="font-size:11.0pt">It is good point that information about thisClass and superClass should be implicitly forwarded to the class hierarchy resolution for thisClass build.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thank you,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Adam</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Øystein Myhre Andersen <o.myhre@gmail.com><br>
<b>Date: </b>Monday, 29 April 2024 at 15:23<br>
<b>To: </b>liangchenblue@gmail.com <liangchenblue@gmail.com><br>
<b>Cc: </b>Adam Sotona <adam.sotona@oracle.com>, classfile-api-dev@openjdk.org <classfile-api-dev@openjdk.org><br>
<b>Subject: </b>[External] : Re: Got: IllegalArgumentException: Could not resolve class</span></p>
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<p class="MsoNormal">Proposal:</p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal">I defined a utility class:</p>
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<p class="MsoNormal"> </p>
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<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">public</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">abstract</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">class</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black"> ClassHierarchy {</span></p>
<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">private</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">static</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black"> Map<ClassDesc, ClassDesc>
</span><i><span style="font-size:10.0pt;font-family:Consolas;color:#0000C0">classToSuperClass</span></i><span style="font-size:10.0pt;font-family:Consolas;color:black"> =
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">new</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black"> HashMap<ClassDesc, ClassDesc>();</span></p>
<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">private</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">static</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black"> Collection<ClassDesc>
</span><i><span style="font-size:10.0pt;font-family:Consolas;color:#0000C0">interfaces</span></i><span style="font-size:10.0pt;font-family:Consolas;color:black"> =
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">new</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black"> Vector<ClassDesc>();</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black"> </span></p>
<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">public</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">static</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black"> ClassHierarchyResolver getResolver() {</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">ClassHierarchyResolver
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">res</span><span style="font-size:10.0pt;font-family:Consolas;color:black"> = ClassHierarchyResolver.<i>defaultResolver</i>()</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">.orElse(ClassHierarchyResolver.<i>of</i>(</span><i><span style="font-size:10.0pt;font-family:Consolas;color:#0000C0">interfaces</span></i><span style="font-size:10.0pt;font-family:Consolas;color:black">,
</span><i><span style="font-size:10.0pt;font-family:Consolas;color:#0000C0">classToSuperClass</span></i><span style="font-size:10.0pt;font-family:Consolas;color:black">));</span></p>
<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">return</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">res</span><span style="font-size:10.0pt;font-family:Consolas;color:black">;</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">}</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black"> </span></p>
<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">public</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">static</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">void</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black"> addClassToSuperClass(ClassDesc
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">cld</span><span style="font-size:10.0pt;font-family:Consolas;color:black">, ClassDesc
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">sup</span><span style="font-size:10.0pt;font-family:Consolas;color:black">) {</span></p>
<p style="margin:0in"><i><span style="font-size:10.0pt;font-family:Consolas;color:#0000C0">classToSuperClass</span></i><span style="font-size:10.0pt;font-family:Consolas;color:black">.put(</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">cld</span><span style="font-size:10.0pt;font-family:Consolas;color:black">,
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">sup</span><span style="font-size:10.0pt;font-family:Consolas;color:black">);</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">}</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">}</span></p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal"> And built my class files with a method like:</p>
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<p class="MsoNormal"> </p>
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<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">public</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">
</span><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">byte</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">[] buildClassFile() {</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">ClassDesc
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_ThisClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black"> = ...</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">ClassDesc
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_SuperClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black"> = ...</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">ClassHierarchy.<i>addClassToSuperClass</i>(</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_ThisClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black">,
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_SuperClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black">);</span></p>
<p style="margin:0in"><b><span style="font-size:10.0pt;font-family:Consolas;color:#7F0055">byte</span></b><span style="font-size:10.0pt;font-family:Consolas;color:black">[]
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">bytes</span><span style="font-size:10.0pt;font-family:Consolas;color:black"> = ClassFile.<i>of</i>(ClassFile.ClassHierarchyResolverOption</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">.<i>of</i>(ClassHierarchy.<i>getResolver</i>())).build(</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_ThisClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black">,</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">classBuilder</span><span style="font-size:10.0pt;font-family:Consolas;color:black"> -> {</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">classBuilder</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">.withSuperclass(</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_SuperClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black">);</span></p>
<p style="margin:0in"><span style="font-size:10.0pt;font-family:Consolas;color:black">... ...</span></p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal">This could perhaps have been done internally by letting <span style="font-size:10.0pt;font-family:Consolas;color:black">.withSuperclass(</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_SuperClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black">);</span> </p>
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<p class="MsoNormal">make a call ala <span style="font-size:10.0pt;font-family:Consolas;color:black">ClassHierarchy.<i>addClassToSuperClass</i>(</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_ThisClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black">,
</span><span style="font-size:10.0pt;font-family:Consolas;color:#6A3E3E">CD_SuperClass</span><span style="font-size:10.0pt;font-family:Consolas;color:black">);</span></p>
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<p class="MsoNormal"> </p>
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