a00566.html

opendds 1.2 最新版 面向分布式实时网络编程

          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Data sample received for this instance. 
<p>

</div>
</div><p>
<a class="anchor" name="2ac8e479cff1f62dca2bc91857e258e8"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::dispose_was_received" ref="2ac8e479cff1f62dca2bc91857e258e8" args="(const PublicationId &amp;writer_id)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void OpenDDS::DCPS::InstanceState::dispose_was_received           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="a00552.html">PublicationId</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>writer_id</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
DISPOSE message received for this instance. 
<p>

</div>
</div><p>
<a class="anchor" name="df91687970275dab0965f3becd39d6ac"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::disposed_generation_count" ref="df91687970275dab0965f3becd39d6ac" args="() const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">ACE_INLINE size_t OpenDDS::DCPS::InstanceState::disposed_generation_count           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Access disposed generation count. 
<p>

</div>
</div><p>
<a class="anchor" name="55b5c27e489fccfaf54c2e38c5a0f350"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::empty" ref="55b5c27e489fccfaf54c2e38c5a0f350" args="(bool value)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">ACE_INLINE void OpenDDS::DCPS::InstanceState::empty           </td>
          <td>(</td>
          <td class="paramtype">bool&nbsp;</td>
          <td class="paramname"> <em>value</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
DataReader has become empty. 
<p>

</div>
</div><p>
<a class="anchor" name="9b57b4dd0b0abe19736f6aa9b82623f2"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::instance_state" ref="9b57b4dd0b0abe19736f6aa9b82623f2" args="() const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">ACE_INLINE <a class="el" href="a01300.html#f496592aa1f1bf9a88c12a4a7193be51">DDS::InstanceStateKind</a> OpenDDS::DCPS::InstanceState::instance_state           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Access instance state. 
<p>

</div>
</div><p>
<a class="anchor" name="e251f0986e1e29889b5d316a2a28c528"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::lively" ref="e251f0986e1e29889b5d316a2a28c528" args="(const PublicationId &amp;writer_id)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">ACE_INLINE void OpenDDS::DCPS::InstanceState::lively           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="a00552.html">PublicationId</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>writer_id</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
LIVELINESS message received for this DataWriter. 
<p>

</div>
</div><p>
<a class="anchor" name="ca9263607030e0ed7a5d13bd667ccfa9"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::most_recent_generation" ref="ca9263607030e0ed7a5d13bd667ccfa9" args="(ReceivedDataElement *item) const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">ACE_INLINE bool OpenDDS::DCPS::InstanceState::most_recent_generation           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="a00645.html">ReceivedDataElement</a> *&nbsp;</td>
          <td class="paramname"> <em>item</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>

</div>
</div><p>
<a class="anchor" name="bb99318cf732657d62a97f046df38abe"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::no_writers_generation_count" ref="bb99318cf732657d62a97f046df38abe" args="() const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">ACE_INLINE size_t OpenDDS::DCPS::InstanceState::no_writers_generation_count           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const</td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Access no writers generation count. 
<p>

</div>
</div><p>
<a class="anchor" name="63908de713b24cadf0d51580f512399c"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::release_if_empty" ref="63908de713b24cadf0d51580f512399c" args="()" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void OpenDDS::DCPS::InstanceState::release_if_empty           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Remove the instance if it's instance has no samples and no writers. 
</div>
</div><p>
<a class="anchor" name="354390f83fcc2c1b611714f597b44f99"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::sample_info" ref="354390f83fcc2c1b611714f597b44f99" args="(::DDS::SampleInfo &amp;si, const ReceivedDataElement *de)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">ACE_INLINE void OpenDDS::DCPS::InstanceState::sample_info           </td>
          <td>(</td>
          <td class="paramtype">::<a class="el" href="a00667.html">DDS::SampleInfo</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>si</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="a00645.html">ReceivedDataElement</a> *&nbsp;</td>
          <td class="paramname"> <em>de</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Populate the SampleInfo structure. 
<p>

</div>
</div><p>
<a class="anchor" name="a4fd412daf5e9da240acc88e4d5e4164"></a><!-- doxytag: member="OpenDDS::DCPS::InstanceState::unregister_was_received" ref="a4fd412daf5e9da240acc88e4d5e4164" args="(const PublicationId &amp;writer_id)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void OpenDDS::DCPS::InstanceState::unregister_was_received           </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="a00552.html">PublicationId</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>writer_id</em>          </td>
          <td>&nbsp;)&nbsp;</td>