uTools-Manuals/docs/java/javax/sql/RowSetReader.html

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<h2 class="title" title="Interface RowSetReader">Interface RowSetReader</h2>
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         All Known Subinterfaces: 
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<span><a href="../../javax/sql/rowset/spi/XmlReader.html" title="javax.sql.rowset.spi中的接口">XmlReader</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">RowSetReader</span></pre>
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<span>断开连接的<code>RowSet</code>对象调用的工具将自己填充数据行。</span>
<span>读取器（一个对象实现<code>RowSetReader</code>接口）可以与被注册<code>RowSet</code>支持读/写器模式对象。</span>
<span>当<code>RowSet</code>对象的<code>execute</code>方法被调用时，它又调用读者的<code>readData</code>方法。</span>
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         1.4 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/sql/RowSetReader.html#readData-javax.sql.RowSetInternal-">readData</a></span>(<a href="../../javax/sql/RowSetInternal.html" title="interface in javax.sql">RowSetInternal</a> caller)</code>
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              读取调用 
             <code>RowSet</code>对象的新内容。 
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<li class="blockList"> <h4>readData</h4> <pre>void readData(<a href="../../javax/sql/RowSetInternal.html" title="interface in javax.sql">RowSetInternal</a> caller)
       throws <a href="../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
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<span>读取调用<code>RowSet</code>对象的新内容。</span>
<span>为了调用此方法，一个<code>RowSet</code>对象必须已经实现了<code>RowSetInternal</code>接口，并将此<code>RowSetReader</code>对象注册为其读卡器。</span>
<span>该<code>readData</code>方法在内部被调用的<code>RowSet.execute</code>方法用于支持读/写器模式行集。</span>
<p> <span><code>readData</code>方法向调用者添加行。</span> <span>它可以以各种各样的方式实现，甚至可以使用来自非关系数据源的行填充调用者。</span> <span>一般来说，读者可以调用任何行集的方法，但有一个例外。</span> <span>调用方法<code>execute</code>将导致<code>SQLException</code>被抛出，因为<code>execute</code>可能不会被递归调用。</span> <span>此外，当读者调用<code>RowSet</code>方法时，不会收到听众;</span> <span>也就是说，没有<code>RowSetEvent</code>对象，并且没有<code>RowSetListener</code>方法被调用。</span> <span>这是真的，因为听众已经通过方法<code>execute</code>被通知。</span> </p>
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<code>caller</code> -所述 
            <code>RowSet</code>对象（1），其已经实现了 
            <code>RowSetInternal</code>接口，（2）与此读出器被注册，和（3），其 
            <code>execute</code>方法调用此读者 
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<code><a href="../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - if a database access error occurs or this method invokes the 
            <code>RowSet.execute</code> method 
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