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TypeBasedCacheDistributionPolicy (OpenJPA Parent POM 2.0.1 API)
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org.apache.openjpa.datacache</FONT>
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Class TypeBasedCacheDistributionPolicy</H2>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/openjpa/datacache/DefaultCacheDistributionPolicy.html" title="class in org.apache.openjpa.datacache">org.apache.openjpa.datacache.DefaultCacheDistributionPolicy</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.openjpa.datacache.TypeBasedCacheDistributionPolicy</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/apache/openjpa/datacache/CacheDistributionPolicy.html" title="interface in org.apache.openjpa.datacache">CacheDistributionPolicy</A>, <A HREF="../../../../org/apache/openjpa/lib/conf/Configurable.html" title="interface in org.apache.openjpa.lib.conf">Configurable</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>TypeBasedCacheDistributionPolicy</B><DT>extends <A HREF="../../../../org/apache/openjpa/datacache/DefaultCacheDistributionPolicy.html" title="class in org.apache.openjpa.datacache">DefaultCacheDistributionPolicy</A><DT>implements <A HREF="../../../../org/apache/openjpa/datacache/CacheDistributionPolicy.html" title="interface in org.apache.openjpa.datacache">CacheDistributionPolicy</A></DL>
</PRE>
<P>
A cache distribution policy based on the type of the managed objects.
<br>
The policy is configured by specifying list of included or excluded types.
The lists are specified as fully-qualified persistence class names separated by semicolon.
<br>
The policy checks for the given instance by its type whether the class name appears in
exclusion or inclusion lists. If the class name appears in exclusion list then the
instance is not cached. Otherwise, if an inclusion list exists and the class name appears in inclusion list
or @DataCache annotation is specified on the class meta data, then the instance is cached.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Pinaki Poddar</DD>
</DL>
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<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/TypeBasedCacheDistributionPolicy.html#TypeBasedCacheDistributionPolicy()">TypeBasedCacheDistributionPolicy</A></B>()</CODE>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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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;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/TypeBasedCacheDistributionPolicy.html#getExcludedTypes()">getExcludedTypes</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the excluded types, if configured.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/TypeBasedCacheDistributionPolicy.html#getIncludedTypes()">getIncludedTypes</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the included types, if configured.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/TypeBasedCacheDistributionPolicy.html#selectCache(org.apache.openjpa.kernel.OpenJPAStateManager, java.lang.Object)">selectCache</A></B>(<A HREF="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</A>&nbsp;sm,
<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;context)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Selects the name of the cache where the given managed proxy object state be cached.</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/TypeBasedCacheDistributionPolicy.html#setExcludedTypes(java.lang.String)">setExcludedTypes</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;types)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets excluded types from a semicolon separated list of type names.</TD>
</TR>
<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/TypeBasedCacheDistributionPolicy.html#setIncludedTypes(java.lang.String)">setIncludedTypes</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;types)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets included types from a semicolon separated list of type names.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.openjpa.datacache.DefaultCacheDistributionPolicy"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.openjpa.datacache.<A HREF="../../../../org/apache/openjpa/datacache/DefaultCacheDistributionPolicy.html" title="class in org.apache.openjpa.datacache">DefaultCacheDistributionPolicy</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/openjpa/datacache/DefaultCacheDistributionPolicy.html#endConfiguration()">endConfiguration</A>, <A HREF="../../../../org/apache/openjpa/datacache/DefaultCacheDistributionPolicy.html#setConfiguration(org.apache.openjpa.lib.conf.Configuration)">setConfiguration</A>, <A HREF="../../../../org/apache/openjpa/datacache/DefaultCacheDistributionPolicy.html#startConfiguration()">startConfiguration</A></CODE></TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
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<TH ALIGN="left"><B>Methods inherited from interface org.apache.openjpa.lib.conf.<A HREF="../../../../org/apache/openjpa/lib/conf/Configurable.html" title="interface in org.apache.openjpa.lib.conf">Configurable</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<A NAME="TypeBasedCacheDistributionPolicy()"><!-- --></A><H3>
TypeBasedCacheDistributionPolicy</H3>
<PRE>
public <B>TypeBasedCacheDistributionPolicy</B>()</PRE>
<DL>
</DL>
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<A NAME="getExcludedTypes()"><!-- --></A><H3>
getExcludedTypes</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&gt; <B>getExcludedTypes</B>()</PRE>
<DL>
<DD>Gets the excluded types, if configured.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setExcludedTypes(java.lang.String)"><!-- --></A><H3>
setExcludedTypes</H3>
<PRE>
public void <B>setExcludedTypes</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;types)</PRE>
<DL>
<DD>Sets excluded types from a semicolon separated list of type names.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getIncludedTypes()"><!-- --></A><H3>
getIncludedTypes</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&gt; <B>getIncludedTypes</B>()</PRE>
<DL>
<DD>Gets the included types, if configured.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setIncludedTypes(java.lang.String)"><!-- --></A><H3>
setIncludedTypes</H3>
<PRE>
public void <B>setIncludedTypes</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;types)</PRE>
<DL>
<DD>Sets included types from a semicolon separated list of type names.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="selectCache(org.apache.openjpa.kernel.OpenJPAStateManager, java.lang.Object)"><!-- --></A><H3>
selectCache</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>selectCache</B>(<A HREF="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</A>&nbsp;sm,
<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;context)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/openjpa/datacache/CacheDistributionPolicy.html#selectCache(org.apache.openjpa.kernel.OpenJPAStateManager, java.lang.Object)">CacheDistributionPolicy</A></CODE></B></DD>
<DD>Selects the name of the cache where the given managed proxy object state be cached.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/openjpa/datacache/CacheDistributionPolicy.html#selectCache(org.apache.openjpa.kernel.OpenJPAStateManager, java.lang.Object)">selectCache</A></CODE> in interface <CODE><A HREF="../../../../org/apache/openjpa/datacache/CacheDistributionPolicy.html" title="interface in org.apache.openjpa.datacache">CacheDistributionPolicy</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/openjpa/datacache/DefaultCacheDistributionPolicy.html#selectCache(org.apache.openjpa.kernel.OpenJPAStateManager, java.lang.Object)">selectCache</A></CODE> in class <CODE><A HREF="../../../../org/apache/openjpa/datacache/DefaultCacheDistributionPolicy.html" title="class in org.apache.openjpa.datacache">DefaultCacheDistributionPolicy</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>sm</CODE> - the managed proxy object to be cached. The actual managed instance can be accessed from the proxy
instance simply as <code>sm.getManagedInstance()</code>.<DD><CODE>context</CODE> - the context of invocation. No specific semantics is attributed currently. Can be null.
<DT><B>Returns:</B><DD>name of the cache or null, implying that that the instance should not be cached.</DL>
</DD>
</DL>
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