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DataCacheManager (OpenJPA 1.2.0 API)
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org.apache.openjpa.datacache</FONT>
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Interface DataCacheManager</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManagerImpl.html" title="class in org.apache.openjpa.datacache">DataCacheManagerImpl</A></DD>
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<DT><PRE>public interface <B>DataCacheManager</B></DL>
</PRE>
<P>
Manages the system's data and query caches. You can
retrieve the data cache manager from the <A HREF="../../../../org/apache/openjpa/conf/OpenJPAConfiguration.html" title="interface in org.apache.openjpa.conf"><CODE>OpenJPAConfiguration</CODE></A>.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Abe White, Patrick Linskey</DD>
</DL>
<HR>
<P>
<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManager.html#close()">close</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Close all caches.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManager.html#getDataCache(java.lang.String)">getDataCache</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the named data cache, or null if it does not exist.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManager.html#getDataCache(java.lang.String, boolean)">getDataCache</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name,
boolean&nbsp;create)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the named data cache.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/openjpa/datacache/DataCacheScheduler.html" title="class in org.apache.openjpa.datacache">DataCacheScheduler</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManager.html#getDataCacheScheduler()">getDataCacheScheduler</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the runnable which schedules evictions.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/openjpa/datacache/DataCachePCDataGenerator.html" title="class in org.apache.openjpa.datacache">DataCachePCDataGenerator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManager.html#getPCDataGenerator()">getPCDataGenerator</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the PCData generator if configured.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManager.html#getSystemDataCache()">getSystemDataCache</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the system-wide data cache, or null if caching is not enabled.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../org/apache/openjpa/datacache/QueryCache.html" title="interface in org.apache.openjpa.datacache">QueryCache</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManager.html#getSystemQueryCache()">getSystemQueryCache</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the system query cache, or null if not configured.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/DataCacheManager.html#initialize(org.apache.openjpa.conf.OpenJPAConfiguration, org.apache.openjpa.lib.conf.ObjectValue, org.apache.openjpa.lib.conf.ObjectValue)">initialize</A></B>(<A HREF="../../../../org/apache/openjpa/conf/OpenJPAConfiguration.html" title="interface in org.apache.openjpa.conf">OpenJPAConfiguration</A>&nbsp;conf,
<A HREF="../../../../org/apache/openjpa/lib/conf/ObjectValue.html" title="class in org.apache.openjpa.lib.conf">ObjectValue</A>&nbsp;dataCache,
<A HREF="../../../../org/apache/openjpa/lib/conf/ObjectValue.html" title="class in org.apache.openjpa.lib.conf">ObjectValue</A>&nbsp;queryCache)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Initialize the manager, supplying the cache configuration.</TD>
</TR>
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&nbsp;
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<A NAME="initialize(org.apache.openjpa.conf.OpenJPAConfiguration, org.apache.openjpa.lib.conf.ObjectValue, org.apache.openjpa.lib.conf.ObjectValue)"><!-- --></A><H3>
initialize</H3>
<PRE>
void <B>initialize</B>(<A HREF="../../../../org/apache/openjpa/conf/OpenJPAConfiguration.html" title="interface in org.apache.openjpa.conf">OpenJPAConfiguration</A>&nbsp;conf,
<A HREF="../../../../org/apache/openjpa/lib/conf/ObjectValue.html" title="class in org.apache.openjpa.lib.conf">ObjectValue</A>&nbsp;dataCache,
<A HREF="../../../../org/apache/openjpa/lib/conf/ObjectValue.html" title="class in org.apache.openjpa.lib.conf">ObjectValue</A>&nbsp;queryCache)</PRE>
<DL>
<DD>Initialize the manager, supplying the cache configuration.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getSystemDataCache()"><!-- --></A><H3>
getSystemDataCache</H3>
<PRE>
<A HREF="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</A> <B>getSystemDataCache</B>()</PRE>
<DL>
<DD>Return the system-wide data cache, or null if caching is not enabled.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getDataCache(java.lang.String)"><!-- --></A><H3>
getDataCache</H3>
<PRE>
<A HREF="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</A> <B>getDataCache</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name)</PRE>
<DL>
<DD>Return the named data cache, or null if it does not exist.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getDataCache(java.lang.String, boolean)"><!-- --></A><H3>
getDataCache</H3>
<PRE>
<A HREF="../../../../org/apache/openjpa/datacache/DataCache.html" title="interface in org.apache.openjpa.datacache">DataCache</A> <B>getDataCache</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name,
boolean&nbsp;create)</PRE>
<DL>
<DD>Return the named data cache. If the given name is null, the default
data cache is returned.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>create</CODE> - if true, the cache will be created if it does
not already exist</DL>
</DD>
</DL>
<HR>
<A NAME="getSystemQueryCache()"><!-- --></A><H3>
getSystemQueryCache</H3>
<PRE>
<A HREF="../../../../org/apache/openjpa/datacache/QueryCache.html" title="interface in org.apache.openjpa.datacache">QueryCache</A> <B>getSystemQueryCache</B>()</PRE>
<DL>
<DD>Return the system query cache, or null if not configured.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getPCDataGenerator()"><!-- --></A><H3>
getPCDataGenerator</H3>
<PRE>
<A HREF="../../../../org/apache/openjpa/datacache/DataCachePCDataGenerator.html" title="class in org.apache.openjpa.datacache">DataCachePCDataGenerator</A> <B>getPCDataGenerator</B>()</PRE>
<DL>
<DD>Return the PCData generator if configured.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getDataCacheScheduler()"><!-- --></A><H3>
getDataCacheScheduler</H3>
<PRE>
<A HREF="../../../../org/apache/openjpa/datacache/DataCacheScheduler.html" title="class in org.apache.openjpa.datacache">DataCacheScheduler</A> <B>getDataCacheScheduler</B>()</PRE>
<DL>
<DD>Return the runnable which schedules evictions.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
void <B>close</B>()</PRE>
<DL>
<DD>Close all caches.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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