uTools-Manuals/docs/java/javax/lang/model/util/AbstractElementVisitor7.html

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     javax.lang.model.util 
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<h2 class="title" title="Class AbstractElementVisitor7">Class AbstractElementVisitor7&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><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="class in javax.lang.model.util">javax.lang.model.util.AbstractElementVisitor6</a>&lt;R,P&gt;</li>
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<li>javax.lang.model.util.AbstractElementVisitor7&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>
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<span><code>P</code> - 此访问者方法的附加参数类型。</span>
<span>对不需要<code>Void</code>的访问者使用Void。</span>
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         All Implemented Interfaces: 
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<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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        已知直接子类：
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<span><a href="../../../../javax/lang/model/util/AbstractElementVisitor8.html" title="javax.lang.model.util中的类">AbstractElementVisitor8</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_7">RELEASE_7</a>)
public abstract class <span class="typeNameLabel">AbstractElementVisitor7&lt;R,P&gt;</span>
extends <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="class in javax.lang.model.util">AbstractElementVisitor6</a>&lt;R,P&gt;</pre>
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<span>具有适用于<a href="../../../../javax/lang/model/SourceVersion.html#RELEASE_7"><code>RELEASE_7</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>开头的方法<code>"visit"</code>可以添加到这个类中;</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>当添加这样一个新的访问方法时，这个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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         1.7 
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<span class="seeLabel">另请参见：</span>
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<span><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="javax.lang.model.util中的类"><code>AbstractElementVisitor6</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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<span>构造方法</span>
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<th class="colFirst" scope="col">Modifier</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/AbstractElementVisitor7.html#AbstractElementVisitor7--">AbstractElementVisitor7</a></span>()</code>
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              具体子类调用的构造方法。 
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<!-- --> </a> <h3>Methods inherited from class javax.lang.model.util.<a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html" title="class in javax.lang.model.util">AbstractElementVisitor6</a></h3> <code><a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html#visit-javax.lang.model.element.Element-">visit</a>, <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html#visit-javax.lang.model.element.Element-P-">visit</a>, <a href="../../../../javax/lang/model/util/AbstractElementVisitor6.html#visitUnknown-javax.lang.model.element.Element-P-">visitUnknown</a></code></li>
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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>AbstractElementVisitor7</h4> <pre>protected AbstractElementVisitor7()</pre>
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            具体子类调用的构造方法。 
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