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<div class="header">
<div class="subTitle">
org.omg.PortableServer
</div>
<h2 class="title" title="Class ServantLocatorPOA">Class ServantLocatorPOA</h2>
</div><div class="contentContainer">
<ul class="inheritance">
<li><a href="../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../org/omg/PortableServer/Servant.html" title="class in org.omg.PortableServer">org.omg.PortableServer.Servant</a></li>
<li>
<ul class="inheritance">
<li>org.omg.PortableServer.ServantLocatorPOA</li>
</ul> </li>
</ul> </li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>
All Implemented Interfaces:
</dt>
<dd>
<span><a href="../../../org/omg/CORBA/portable/InvokeHandler.html" title="界面在org.omg.CORBA.portable中">InvokeHandler</a> ， <a href="../../../org/omg/PortableServer/ServantLocatorOperations.html" title="org.omg.PortableServer中的接口">ServantLocatorOperations</a> ， <a href="../../../org/omg/PortableServer/ServantManagerOperations.html" title="org.omg.PortableServer中的接口">ServantManagerOperations</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">ServantLocatorPOA</span>
extends <a href="../../../org/omg/PortableServer/Servant.html" title="class in org.omg.PortableServer">Servant</a>
implements <a href="../../../org/omg/PortableServer/ServantLocatorOperations.html" title="interface in org.omg.PortableServer">ServantLocatorOperations</a>, <a href="../../../org/omg/CORBA/portable/InvokeHandler.html" title="interface in org.omg.CORBA.portable">InvokeHandler</a></pre>
<div class="block">
<span>当POA具有NON_RETAIN策略时，它使用ServantLocator的servant管理器。</span>
<span>因为POA知道这位仆人经理返回的仆人只能用于一个请求，它可以为仆人经理的业务提供额外的信息，仆人经理的一对操作可能会合作做一些不同于ServantActivator的事情。</span>
<span>当POA使用ServantLocator接口时，在对preinvoke返回的servant进行操作调用后，POA将在servant管理器上调用postinvoke，传递ObjectId值和Servant值作为参数（等等）。</span>
<span>此功能可用于强制与POA关联的对象的所有请求都由仆人管理器进行调解。</span>
</div> </li>
</ul>
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<div class="summary">
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<li class="blockList"><a name="constructor.summary">
<!-- --> </a> <h3>构造方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/omg/PortableServer/ServantLocatorPOA.html#ServantLocatorPOA--">ServantLocatorPOA</a></span>()</code> </td>
</tr>
</tbody>
</table> </li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method.summary">
<!-- --> </a> <h3>方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<caption>
<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>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code><a href="../../../java/lang/String.html" title="class in java.lang">String</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/omg/PortableServer/ServantLocatorPOA.html#Z:Z_all_interfaces-org.omg.PortableServer.POA-byte:A-">_all_interfaces</a></span>(<a href="../../../org/omg/PortableServer/POA.html" title="interface in org.omg.PortableServer">POA</a> poa, byte[] objectId)</code>
<div class="block">
由ORB用于从仆人获取完整的类型信息。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code><a href="../../../org/omg/CORBA/portable/OutputStream.html" title="class in org.omg.CORBA.portable">OutputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/omg/PortableServer/ServantLocatorPOA.html#Z:Z_invoke-java.lang.String-org.omg.CORBA.portable.InputStream-org.omg.CORBA.portable.ResponseHandler-">_invoke</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> $method, <a href="../../../org/omg/CORBA/portable/InputStream.html" title="class in org.omg.CORBA.portable">InputStream</a> in, <a href="../../../org/omg/CORBA/portable/ResponseHandler.html" title="interface in org.omg.CORBA.portable">ResponseHandler</a> $rh)</code>
<div class="block">
由ORB调用，向仆人发出请求。
</div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code><a href="../../../org/omg/PortableServer/ServantLocator.html" title="interface in org.omg.PortableServer">ServantLocator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/omg/PortableServer/ServantLocatorPOA.html#Z:Z_this--">_this</a></span>()</code> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code><a href="../../../org/omg/PortableServer/ServantLocator.html" title="interface in org.omg.PortableServer">ServantLocator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/omg/PortableServer/ServantLocatorPOA.html#Z:Z_this-org.omg.CORBA.ORB-">_this</a></span>(<a href="../../../org/omg/CORBA/ORB.html" title="class in org.omg.CORBA">ORB</a> orb)</code> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.omg.PortableServer.Servant">
<!-- --> </a> <h3>Methods inherited from class org.omg.PortableServer.<a href="../../../org/omg/PortableServer/Servant.html" title="class in org.omg.PortableServer">Servant</a></h3> <code><a href="../../../org/omg/PortableServer/Servant.html#Z:Z_default_POA--">_default_POA</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_get_delegate--">_get_delegate</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_get_interface_def--">_get_interface_def</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_is_a-java.lang.String-">_is_a</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_non_existent--">_non_existent</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_object_id--">_object_id</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_orb--">_orb</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_poa--">_poa</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_set_delegate-org.omg.PortableServer.portable.Delegate-">_set_delegate</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_this_object--">_this_object</a>, <a href="../../../org/omg/PortableServer/Servant.html#Z:Z_this_object-org.omg.CORBA.ORB-">_this_object</a></code></li>
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<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- --> </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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<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.omg.PortableServer.ServantLocatorOperations">
<!-- --> </a> <h3>Methods inherited from interface org.omg.PortableServer.<a href="../../../org/omg/PortableServer/ServantLocatorOperations.html" title="interface in org.omg.PortableServer">ServantLocatorOperations</a></h3> <code><a href="../../../org/omg/PortableServer/ServantLocatorOperations.html#postinvoke-byte:A-org.omg.PortableServer.POA-java.lang.String-java.lang.Object-org.omg.PortableServer.Servant-">postinvoke</a>, <a href="../../../org/omg/PortableServer/ServantLocatorOperations.html#preinvoke-byte:A-org.omg.PortableServer.POA-java.lang.String-org.omg.PortableServer.ServantLocatorPackage.CookieHolder-">preinvoke</a></code></li>
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<div class="details">
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<li class="blockList"><a name="constructor.detail">
<!-- --> </a> <h3>构造方法详细信息</h3> <a name="ServantLocatorPOA--">
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<ul class="blockListLast">
<li class="blockList"> <h4>ServantLocatorPOA</h4> <pre>public ServantLocatorPOA()</pre> </li>
</ul> </li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- --> </a> <h3>方法详细信息</h3> <a name="Z:Z_invoke-java.lang.String-org.omg.CORBA.portable.InputStream-org.omg.CORBA.portable.ResponseHandler-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>_invoke</h4> <pre>public <a href="../../../org/omg/CORBA/portable/OutputStream.html" title="class in org.omg.CORBA.portable">OutputStream</a> _invoke(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> $method,
<a href="../../../org/omg/CORBA/portable/InputStream.html" title="class in org.omg.CORBA.portable">InputStream</a> in,
<a href="../../../org/omg/CORBA/portable/ResponseHandler.html" title="interface in org.omg.CORBA.portable">ResponseHandler</a> $rh)</pre>
<div class="block">
<span class="descfrmTypeLabel">说明从界面： <code><a href="../../../org/omg/CORBA/portable/InvokeHandler.html#Z:Z_invoke-java.lang.String-org.omg.CORBA.portable.InputStream-org.omg.CORBA.portable.ResponseHandler-">InvokeHandler</a></code>复制</span>
</div>
<div class="block">
<span>由ORB调用，向仆人发出请求。</span>
<span>ORB传递方法名称，包含编组参数的InputStream，以及仆人用于构造正确答复的ResponseHandler。</span>
<span>此方法只能抛出CORBA SystemException。</span>
<span>该方法必须返回由包含编组答复的ResponseHandler创建的OutputStream。</span>
<span>仆人在方法调用的生命周期之前不能保留对ResponseHandler的引用。</span>
<span>仆人行为定义如下：</span>
<p> <span>1.确定正确的方法，并从InputStream中解组参数。</span> </p>
<p> <span>2.调用方法实现。</span> </p>
<p> <span>3.如果没有用户异常，请使用ResponseHandler创建正常回复。</span> </p>
<p> <span>4.如果发生用户异常，请使用ResponseHandler创建异常回复。</span> </p>
<p> <span>5.Massars回复ResponseHandler返回的OutputStream。</span> </p>
<p> <span>6.将OutputStream返回给ORB。</span> </p>
<p></p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../org/omg/CORBA/portable/InvokeHandler.html#Z:Z_invoke-java.lang.String-org.omg.CORBA.portable.InputStream-org.omg.CORBA.portable.ResponseHandler-">_invoke</a></code>在界面
<code><a href="../../../org/omg/CORBA/portable/InvokeHandler.html" title="interface in org.omg.CORBA.portable">InvokeHandler</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>$method</code> - 方法名称。
</dd>
<dd>
<code>in</code> - 包含
<code>InputStream</code>参数的InputStream。
</dd>
<dd>
<code>$rh</code> -该
<code>ResponseHandler</code> servant用来构造正确答复
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
由
<code>OutputStream</code>创建的包含编组答复的OutputStream
</dd>
</dl> </li>
</ul> <a name="Z:Z_all_interfaces-org.omg.PortableServer.POA-byte:A-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>_all_interfaces</h4> <pre>public <a href="../../../java/lang/String.html" title="class in java.lang">String</a>[] _all_interfaces(<a href="../../../org/omg/PortableServer/POA.html" title="interface in org.omg.PortableServer">POA</a> poa,
byte[] objectId)</pre>
<div class="block">
<span class="descfrmTypeLabel">描述从类别复制： <code><a href="../../../org/omg/PortableServer/Servant.html#Z:Z_all_interfaces-org.omg.PortableServer.POA-byte:A-">Servant</a></code></span>
</div>
<div class="block">
由ORB用于从仆人获取完整的类型信息。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../org/omg/PortableServer/Servant.html#Z:Z_all_interfaces-org.omg.PortableServer.POA-byte:A-">_all_interfaces</a></code>在类别
<code><a href="../../../org/omg/PortableServer/Servant.html" title="class in org.omg.PortableServer">Servant</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>poa</code> - 与仆人关联的POA。
</dd>
<dd>
<code>objectId</code> - 是与该服务对象相关联的对象的ID。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
对象的类型信息列表。
</dd>
</dl> </li>
</ul> <a name="Z:Z_this--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>_this</h4> <pre>public <a href="../../../org/omg/PortableServer/ServantLocator.html" title="interface in org.omg.PortableServer">ServantLocator</a> _this()</pre> </li>
</ul> <a name="Z:Z_this-org.omg.CORBA.ORB-">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>_this</h4> <pre>public <a href="../../../org/omg/PortableServer/ServantLocator.html" title="interface in org.omg.PortableServer">ServantLocator</a> _this(<a href="../../../org/omg/CORBA/ORB.html" title="class in org.omg.CORBA">ORB</a> orb)</pre> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>
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