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-Class CloseHook</H2>
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- <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.solr.core.CloseHook</B>
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-<DT><PRE>public abstract class <B>CloseHook</B><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
-</PRE>
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-<P>
-Used to request notification when the core is closed.
- <p/>
- Call <A HREF="../../../../org/apache/solr/core/SolrCore.html#addCloseHook(org.apache.solr.core.CloseHook)"><CODE>SolrCore.addCloseHook(org.apache.solr.core.CloseHook)</CODE></A> during the <A HREF="../../../../org/apache/solr/util/plugin/SolrCoreAware.html#inform(org.apache.solr.core.SolrCore)"><CODE>SolrCoreAware.inform(SolrCore)</CODE></A> method to
- add a close hook to your object.
- <p/>
- The close hook can be useful for releasing objects related to the request handler (for instance, if you have a JDBC DataSource or something like that)
-<P>
-
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-<TD><CODE><B><A HREF="../../../../org/apache/solr/core/CloseHook.html#CloseHook()">CloseHook</A></B>()</CODE>
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-<CODE>abstract void</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../../org/apache/solr/core/CloseHook.html#postClose(org.apache.solr.core.SolrCore)">postClose</A></B>(<A HREF="../../../../org/apache/solr/core/SolrCore.html" title="class in org.apache.solr.core">SolrCore</A> core)</CODE>
-
-<BR>
- Method called when the given SolrCore object has been shut down and update handlers and searchers are closed
- <br/>
- Use this method for post-close clean up operations e.g.</TD>
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-<CODE>abstract void</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../../org/apache/solr/core/CloseHook.html#preClose(org.apache.solr.core.SolrCore)">preClose</A></B>(<A HREF="../../../../org/apache/solr/core/SolrCore.html" title="class in org.apache.solr.core">SolrCore</A> core)</CODE>
-
-<BR>
- Method called when the given SolrCore object is closing / shutting down but before the update handler and
- searcher(s) are actually closed
- <br />
- <b>Important:</b> Keep the method implementation as short as possible.</TD>
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-<A NAME="CloseHook()"><!-- --></A><H3>
-CloseHook</H3>
-<PRE>
-public <B>CloseHook</B>()</PRE>
-<DL>
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-<A NAME="preClose(org.apache.solr.core.SolrCore)"><!-- --></A><H3>
-preClose</H3>
-<PRE>
-public abstract void <B>preClose</B>(<A HREF="../../../../org/apache/solr/core/SolrCore.html" title="class in org.apache.solr.core">SolrCore</A> core)</PRE>
-<DL>
-<DD>Method called when the given SolrCore object is closing / shutting down but before the update handler and
- searcher(s) are actually closed
- <br />
- <b>Important:</b> Keep the method implementation as short as possible. If it were to use any heavy i/o , network connections -
- it might be a better idea to launch in a separate Thread so as to not to block the process of
- shutting down a given SolrCore instance.
-<P>
-<DD><DL>
-<DT><B>Parameters:</B><DD><CODE>core</CODE> - SolrCore object that is shutting down / closing</DL>
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-postClose</H3>
-<PRE>
-public abstract void <B>postClose</B>(<A HREF="../../../../org/apache/solr/core/SolrCore.html" title="class in org.apache.solr.core">SolrCore</A> core)</PRE>
-<DL>
-<DD>Method called when the given SolrCore object has been shut down and update handlers and searchers are closed
- <br/>
- Use this method for post-close clean up operations e.g. deleting the index from disk.
- <br/>
- <b>The core's passed to the method is already closed and therefore, it's update handler or searcher should *NOT* be used</b>
-
- <b>Important:</b> Keep the method implementation as short as possible. If it were to use any heavy i/o , network connections -
- it might be a better idea to launch in a separate Thread so as to not to block the process of
- shutting down a given SolrCore instance.
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