uTools-Manuals/docs/java/javax/sql/rowset/spi/TransactionalWriter.html

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     javax.sql.rowset.spi 
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<h2 class="title" title="Interface TransactionalWriter">Interface TransactionalWriter</h2>
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         All Superinterfaces: 
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<span><a href="../../../../javax/sql/RowSetWriter.html" title="javax.sql中的接口">RowSetWriter</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">TransactionalWriter</span>
extends <a href="../../../../javax/sql/RowSetWriter.html" title="interface in javax.sql">RowSetWriter</a></pre>
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<span>一个专门的界面，有助于扩展标准的<code>SyncProvider</code>抽象类，使其具有更细粒度的事务控制。</span>
<p> <span>如果一个或多个断开的<code>RowSet</code>对象正在参与全局事务，则他们可能希望协调其同步提交以保持数据完整性并减少同步异常的数量。</span> <span>如果是这种情况，应用程序应将<code>CachedRowSet</code>常量<code>COMMIT_ON_ACCEPT_CHANGES</code>设置为<code>false</code> ，并使用此<code>commit</code>定义的<code>commit</code>和<code>rollback</code>方法来管理事务边界。</span> </p>
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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="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/spi/TransactionalWriter.html#commit--">commit</a></span>()</code>
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              自 
             <code>commit</code>或 
             <code>rollback</code>方法自上次调用以来，永久性完成 
             <code>acceptChanges</code>方法执行的所有更改。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/spi/TransactionalWriter.html#rollback--">rollback</a></span>()</code>
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              撤消在当前事务中所做的所有更改。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/sql/rowset/spi/TransactionalWriter.html#rollback-java.sql.Savepoint-">rollback</a></span>(<a href="../../../../java/sql/Savepoint.html" title="interface in java.sql">Savepoint</a> s)</code>
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              撤销在给定的 
             <code>Savepoint</code>对象之前进行的当前交易中所做的所有更改。 
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<!-- --> </a> <h3>Methods inherited from interface javax.sql.<a href="../../../../javax/sql/RowSetWriter.html" title="interface in javax.sql">RowSetWriter</a></h3> <code><a href="../../../../javax/sql/RowSetWriter.html#writeData-javax.sql.RowSetInternal-">writeData</a></code></li>
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<li class="blockList"> <h4>commit</h4> <pre>void commit()
     throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
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<span>使自<code>acceptChanges</code>方法自<code>commit</code>或<code>rollback</code>方法最后一次调用以来执行的所有更改都将<code>commit</code> 。</span>
<span>只有当自动提交模式被禁用时，才应该使用此方法。</span>
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<span class="throwsLabel">异常</span>
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<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果发生数据库访问错误或此 
            <code>Connection</code>对象中的 
            <code>CachedRowSet</code>对象处于自动提交模式 
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<li class="blockList"> <h4>rollback</h4> <pre>void rollback()
       throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
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<span>撤消在当前事务中所做的所有更改。</span>
<span>只有当自动提交模式被禁用时，才应该使用此方法。</span>
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<span class="throwsLabel">异常</span>
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<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果发生数据库访问错误或此 
            <code>Connection</code>对象内的 
            <code>CachedRowSet</code>对象处于自动提交模式 
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<li class="blockList"> <h4>rollback</h4> <pre>void rollback(<a href="../../../../java/sql/Savepoint.html" title="interface in java.sql">Savepoint</a> s)
       throws <a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></pre>
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<span>取消在给定的<code>Savepoint</code>对象之前进行的当前交易中所做的所有更改。</span>
<span>只有当自动提交模式被禁用时，才应该使用此方法。</span>
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<span class="paramLabel">参数</span>
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<span><code>s</code> - 在当前事务中标记一个保存点的<code>Savepoint</code>对象。</span>
<span>所有在设置之前进行<i>的</i>更改都将被撤销。</span>
<span><i>S</i>为之后进行的更改将永久生效。</span>
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<span class="throwsLabel">异常</span>
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<code><a href="../../../../java/sql/SQLException.html" title="class in java.sql">SQLException</a></code> - 如果发生数据库访问错误或此 
            <code>Connection</code>对象内的 
            <code>CachedRowSet</code>对象处于自动提交模式 
           </dd>
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