uTools-Manuals/docs/java/javax/lang/model/util/AbstractElementVisitor6.html

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     javax.lang.model.util 
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<h2 class="title" title="Class AbstractElementVisitor6">Class AbstractElementVisitor6&lt;R,P&gt;</h2>
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<li><a href="../../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<li>javax.lang.model.util.AbstractElementVisitor6&lt;R,P&gt;</li>
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<span class="paramLabel">参数类型</span>
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<span><code>R</code> - 这个访问者的方法的返回类型。</span>
<span>对不需要返回结果的访问者使用<a href="../../../../java/lang/Void.html" title="java.lang中的类"><code>Void</code></a> 。</span>
</dd>
<dd>
<span><code>P</code> - 访问者方法的附加参数的类型。</span>
<span>对不需要<code>Void</code>的访问者使用Void。</span>
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<dt>
         All Implemented Interfaces: 
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<dd>
<span><a href="../../../../javax/lang/model/element/ElementVisitor.html" title="javax.lang.model.element中的接口">ElementVisitor</a> &lt;R，P&gt;</span>
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<dl>
<dt>
        已知直接子类：
       </dt>
<dd>
<span><a href="../../../../javax/lang/model/util/AbstractElementVisitor7.html" title="javax.lang.model.util中的类">AbstractElementVisitor7</a> ， <a href="../../../../javax/lang/model/util/ElementScanner6.html" title="javax.lang.model.util中的类">ElementScanner6</a> ， <a href="../../../../javax/lang/model/util/SimpleElementVisitor6.html" title="javax.lang.model.util中的类">SimpleElementVisitor6</a></span>
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<hr/> <br/> <pre><a href="../../../../javax/annotation/processing/SupportedSourceVersion.html" title="annotation in javax.annotation.processing">@SupportedSourceVersion</a>(<a href="../../../../javax/annotation/processing/SupportedSourceVersion.html#value--">value</a>=<a href="../../../../javax/lang/model/SourceVersion.html#RELEASE_6">RELEASE_6</a>)
public abstract class <span class="typeNameLabel">AbstractElementVisitor6&lt;R,P&gt;</span>
extends <a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a>
implements <a href="../../../../javax/lang/model/element/ElementVisitor.html" title="interface in javax.lang.model.element">ElementVisitor</a>&lt;R,P&gt;</pre>
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<span>具有适用于<a href="../../../../javax/lang/model/SourceVersion.html#RELEASE_6"><code>RELEASE_6</code></a>源版本的默认行为的程序元素的骨架访问者。</span>
<p> <span><b>警告：</b> <code>ElementVisitor</code>实现的ElementVisitor接口可能会在以后添加方法，以适应未来版本的Java编程语言中添加的新的，当前未知的语言结构。</span> <span>因此，以<code>"visit"</code>开头的<code>"visit"</code>可能会在以后添加到这个类中;</span> <span>为了避免不兼容，扩展此类的类不应声明任何以<code>"visit"</code>实例方法。</span> </p>
<p> <span>当添加这种新的访问方法时，该类中的默认实现将是调用<a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html#visitUnknown-javax.lang.model.element.Element-P-"><code>visitUnknown</code></a>方法。</span> <span>还将引入一个新的抽象元素访问者类来对应于新的语言级别;</span> <span>该访问者对于访问方法将具有不同的默认行为。</span> <span>当新访客被介绍时，全部或部分访问者可能会被弃用。</span> </p>
<p> <span>请注意，在访问者类中添加新的访问方法的默认实现将发生，而不是直接在访问者界面中添加<em>默认方法</em> ，因为Java SE 8语言功能不能用于此版本的API，因为此版本需要可以在Java SE 7实现中运行。</span> <span>仅在Java SE 8及更高版本上运行的API的未来版本可能会在这种情况下利用默认方法。</span> </p>
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<span class="simpleTagLabel">从以下版本开始：</span>
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<dd>
         1.6 
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<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../../../javax/lang/model/util/AbstractElementVisitor7.html" title="javax.lang.model.util中的类"><code>AbstractElementVisitor7</code></a> ， <a href="../../../../javax/lang/model/util/AbstractElementVisitor8.html" title="javax.lang.model.util中的类"><code>AbstractElementVisitor8</code></a></span>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<!-- --> </a> <h3>构造方法摘要</h3>
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<span>构造方法</span>
<span class="tabEnd"> </span>
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<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html#AbstractElementVisitor6--">AbstractElementVisitor6</a></span>()</code>
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              具体子类调用的构造方法。 
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html#visit-javax.lang.model.element.Element-">visit</a></span>(<a href="../../../../javax/lang/model/element/Element.html" title="interface in javax.lang.model.element">Element</a> e)</code>
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              访问任何程序元素，就像将其自身传递给该元素的 
             <a href="../../../../javax/lang/model/element/Element.html#accept-javax.lang.model.element.ElementVisitor-P-"><code>accept</code></a>方法，并传递 
             <code>null</code>参数的null。 
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<td class="colFirst"><code><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html#visit-javax.lang.model.element.Element-P-">visit</a></span>(<a href="../../../../javax/lang/model/element/Element.html" title="interface in javax.lang.model.element">Element</a> e, <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">P</a> p)</code>
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              访问任何程序元素，就像将其自身传递给该元素的 
             <a href="../../../../javax/lang/model/element/Element.html#accept-javax.lang.model.element.ElementVisitor-P-"><code>accept</code></a>方法一样。 
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<td class="colFirst"><code><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html#visitUnknown-javax.lang.model.element.Element-P-">visitUnknown</a></span>(<a href="../../../../javax/lang/model/element/Element.html" title="interface in javax.lang.model.element">Element</a> e, <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">P</a> p)</code>
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              访问一种未知的元素。 
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<!-- --> </a> <h3>Methods inherited from class java.lang.<a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a></h3> <code><a href="../../../../java/lang/Object.html#clone--">clone</a>, <a href="../../../../java/lang/Object.html#equals-java.lang.Object-">equals</a>, <a href="../../../../java/lang/Object.html#finalize--">finalize</a>, <a href="../../../../java/lang/Object.html#getClass--">getClass</a>, <a href="../../../../java/lang/Object.html#hashCode--">hashCode</a>, <a href="../../../../java/lang/Object.html#notify--">notify</a>, <a href="../../../../java/lang/Object.html#notifyAll--">notifyAll</a>, <a href="../../../../java/lang/Object.html#toString--">toString</a>, <a href="../../../../java/lang/Object.html#wait--">wait</a>, <a href="../../../../java/lang/Object.html#wait-long-">wait</a>, <a href="../../../../java/lang/Object.html#wait-long-int-">wait</a></code></li>
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<!-- --> </a> <h3>Methods inherited from interface javax.lang.model.element.<a href="../../../../javax/lang/model/element/ElementVisitor.html" title="interface in javax.lang.model.element">ElementVisitor</a></h3> <code><a href="../../../../javax/lang/model/element/ElementVisitor.html#visitExecutable-javax.lang.model.element.ExecutableElement-P-">visitExecutable</a>, <a href="../../../../javax/lang/model/element/ElementVisitor.html#visitPackage-javax.lang.model.element.PackageElement-P-">visitPackage</a>, <a href="../../../../javax/lang/model/element/ElementVisitor.html#visitType-javax.lang.model.element.TypeElement-P-">visitType</a>, <a href="../../../../javax/lang/model/element/ElementVisitor.html#visitTypeParameter-javax.lang.model.element.TypeParameterElement-P-">visitTypeParameter</a>, <a href="../../../../javax/lang/model/element/ElementVisitor.html#visitVariable-javax.lang.model.element.VariableElement-P-">visitVariable</a></code></li>
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<li class="blockList"> <h4>AbstractElementVisitor6</h4> <pre>protected AbstractElementVisitor6()</pre>
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            具体子类调用的构造方法。 
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<li class="blockList"> <h4>visit</h4> <pre>public final <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a> visit(<a href="../../../../javax/lang/model/element/Element.html" title="interface in javax.lang.model.element">Element</a> e,
                     <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">P</a> p)</pre>
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<span>访问任何程序元素，就像将其自身传递给该元素的<a href="../../../../javax/lang/model/element/Element.html#accept-javax.lang.model.element.ElementVisitor-P-"><code>accept</code></a>方法一样。</span>
<span>调用<code>v.visit(elem)</code>相当于<code>elem.accept(v, p)</code> 。</span>
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/lang/model/element/ElementVisitor.html#visit-javax.lang.model.element.Element-P-">visit</a></code>在接口 
            <code><a href="../../../../javax/lang/model/element/ElementVisitor.html" title="interface in javax.lang.model.element">ElementVisitor</a>&lt;<a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a>,<a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">P</a>&gt;</code>
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<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 要访问的元素 
           </dd>
<dd>
<code>p</code> - 访客指定的参数 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             访客指定的结果 
           </dd>
</dl> </li>
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<li class="blockList"> <h4>visit</h4> <pre>public final <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a> visit(<a href="../../../../javax/lang/model/element/Element.html" title="interface in javax.lang.model.element">Element</a> e)</pre>
<div class="block">
<span>访问任何程序元素，就像将其自身传递给该元素的<a href="../../../../javax/lang/model/element/Element.html#accept-javax.lang.model.element.ElementVisitor-P-"><code>accept</code></a>方法一样，并传递<code>null</code>作为附加参数。</span>
<span>调用<code>v.visit(elem)</code>相当于<code>elem.accept(v, null)</code> 。</span>
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/lang/model/element/ElementVisitor.html#visit-javax.lang.model.element.Element-">visit</a></code>中的 
            <code><a href="../../../../javax/lang/model/element/ElementVisitor.html" title="interface in javax.lang.model.element">ElementVisitor</a>&lt;<a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a>,<a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">P</a>&gt;</code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 要访问的元素 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             访客指定的结果 
           </dd>
</dl> </li>
</ul> <a name="visitUnknown-javax.lang.model.element.Element-java.lang.Object-">
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<li class="blockList"> <h4>visitUnknown</h4> <pre>public <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a> visitUnknown(<a href="../../../../javax/lang/model/element/Element.html" title="interface in javax.lang.model.element">Element</a> e,
                      <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">P</a> p)</pre>
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<span>访问一种未知的元素。</span>
<span>如果语言发展，并且将新类型的元素添加到<code>Element</code>层次结构中，则可能会发生这种情况。</span>
<p> <span>这种方法的默认实现<code>AbstractElementVisitor6</code>总会抛出<code>UnknownElementException</code> 。</span> <span>这个行为不是一个子类所必需的。</span> </p>
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../../javax/lang/model/element/ElementVisitor.html#visitUnknown-javax.lang.model.element.Element-P-">visitUnknown</a></code>在接口 
            <code><a href="../../../../javax/lang/model/element/ElementVisitor.html" title="interface in javax.lang.model.element">ElementVisitor</a>&lt;<a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">R</a>,<a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="type parameter in AbstractElementVisitor6">P</a>&gt;</code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 要访问的元素 
           </dd>
<dd>
<code>p</code> - 访客指定的参数 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             访客指定的结果 
           </dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../javax/lang/model/element/UnknownElementException.html" title="class in javax.lang.model.element">UnknownElementException</a></code> - 访问者实现可以可选地抛出该异常 
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