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| SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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| DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD> |
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| <H2> |
| <FONT SIZE="-1"> |
| org.apache.openjpa.datacache</FONT> |
| <BR> |
| Interface CacheStatistics</H2> |
| <DL> |
| <DT><B>All Superinterfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DD> |
| </DL> |
| <DL> |
| <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.Default.html" title="class in org.apache.openjpa.datacache">CacheStatistics.Default</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public interface <B>CacheStatistics</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DL> |
| </PRE> |
| |
| <P> |
| Counts number of read/write requests and hit ratio for a cache in total and |
| per-class basis. |
| |
| All methods with Class as input argument treats null as |
| <code>java.lang.Object</code>. All per-class statistics depends on |
| determining the runtime type of the instance being cached. If it is not |
| possible to determine the runtime type from the given context, the statistics |
| is registered under generic <code>java.lang.Object</code>. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>1.3.0</DD> |
| <DT><B>Author:</B></DT> |
| <DD>Pinaki Poddar</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| |
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| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Nested Class Summary</B></FONT></TH> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static class</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.Default.html" title="class in org.apache.openjpa.datacache">CacheStatistics.Default</A></B></CODE> |
| |
| <BR> |
| A default implementation.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getHitCount()">getHitCount</A></B>()</CODE> |
| |
| <BR> |
| Gets number of total read requests that has been found in cache since |
| last reset.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getHitCount(java.lang.Class)">getHitCount</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</CODE> |
| |
| <BR> |
| Gets number of total read requests that has been found in cache for the |
| given class since last reset.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getReadCount()">getReadCount</A></B>()</CODE> |
| |
| <BR> |
| Gets number of total read requests since last reset.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getReadCount(java.lang.Class)">getReadCount</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</CODE> |
| |
| <BR> |
| Gets number of total read requests for the given class since last reset.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getTotalHitCount()">getTotalHitCount</A></B>()</CODE> |
| |
| <BR> |
| Gets number of total read requests that has been found in cache since |
| start.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getTotalHitCount(java.lang.Class)">getTotalHitCount</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</CODE> |
| |
| <BR> |
| Gets number of total read requests that has been found in cache for the |
| given class since start.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getTotalReadCount()">getTotalReadCount</A></B>()</CODE> |
| |
| <BR> |
| Gets number of total read requests since start.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getTotalReadCount(java.lang.Class)">getTotalReadCount</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</CODE> |
| |
| <BR> |
| Gets number of total read requests for the given class since start.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getTotalWriteCount()">getTotalWriteCount</A></B>()</CODE> |
| |
| <BR> |
| Gets number of total write requests since start.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getTotalWriteCount(java.lang.Class)">getTotalWriteCount</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</CODE> |
| |
| <BR> |
| Gets number of total write requests for the given class since start.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getWriteCount()">getWriteCount</A></B>()</CODE> |
| |
| <BR> |
| Gets number of total write requests since last reset.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> long</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#getWriteCount(java.lang.Class)">getWriteCount</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</CODE> |
| |
| <BR> |
| Gets number of total write requests for the given class since last reset.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#isEnabled()">isEnabled</A></B>()</CODE> |
| |
| <BR> |
| Returns whether or not statistics will be collected.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#reset()">reset</A></B>()</CODE> |
| |
| <BR> |
| Clears all accumulated statistics.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#since()">since</A></B>()</CODE> |
| |
| <BR> |
| Gets the time of last reset.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/datacache/CacheStatistics.html#start()">start</A></B>()</CODE> |
| |
| <BR> |
| Gets the time of start.</TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="getReadCount()"><!-- --></A><H3> |
| getReadCount</H3> |
| <PRE> |
| long <B>getReadCount</B>()</PRE> |
| <DL> |
| <DD>Gets number of total read requests since last reset. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getHitCount()"><!-- --></A><H3> |
| getHitCount</H3> |
| <PRE> |
| long <B>getHitCount</B>()</PRE> |
| <DL> |
| <DD>Gets number of total read requests that has been found in cache since |
| last reset. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getWriteCount()"><!-- --></A><H3> |
| getWriteCount</H3> |
| <PRE> |
| long <B>getWriteCount</B>()</PRE> |
| <DL> |
| <DD>Gets number of total write requests since last reset. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getTotalReadCount()"><!-- --></A><H3> |
| getTotalReadCount</H3> |
| <PRE> |
| long <B>getTotalReadCount</B>()</PRE> |
| <DL> |
| <DD>Gets number of total read requests since start. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getTotalHitCount()"><!-- --></A><H3> |
| getTotalHitCount</H3> |
| <PRE> |
| long <B>getTotalHitCount</B>()</PRE> |
| <DL> |
| <DD>Gets number of total read requests that has been found in cache since |
| start. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getTotalWriteCount()"><!-- --></A><H3> |
| getTotalWriteCount</H3> |
| <PRE> |
| long <B>getTotalWriteCount</B>()</PRE> |
| <DL> |
| <DD>Gets number of total write requests since start. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getReadCount(java.lang.Class)"><!-- --></A><H3> |
| getReadCount</H3> |
| <PRE> |
| long <B>getReadCount</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</PRE> |
| <DL> |
| <DD>Gets number of total read requests for the given class since last reset. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getHitCount(java.lang.Class)"><!-- --></A><H3> |
| getHitCount</H3> |
| <PRE> |
| long <B>getHitCount</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</PRE> |
| <DL> |
| <DD>Gets number of total read requests that has been found in cache for the |
| given class since last reset. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getWriteCount(java.lang.Class)"><!-- --></A><H3> |
| getWriteCount</H3> |
| <PRE> |
| long <B>getWriteCount</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</PRE> |
| <DL> |
| <DD>Gets number of total write requests for the given class since last reset. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getTotalReadCount(java.lang.Class)"><!-- --></A><H3> |
| getTotalReadCount</H3> |
| <PRE> |
| long <B>getTotalReadCount</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</PRE> |
| <DL> |
| <DD>Gets number of total read requests for the given class since start. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getTotalHitCount(java.lang.Class)"><!-- --></A><H3> |
| getTotalHitCount</H3> |
| <PRE> |
| long <B>getTotalHitCount</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</PRE> |
| <DL> |
| <DD>Gets number of total read requests that has been found in cache for the |
| given class since start. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getTotalWriteCount(java.lang.Class)"><!-- --></A><H3> |
| getTotalWriteCount</H3> |
| <PRE> |
| long <B>getTotalWriteCount</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> c)</PRE> |
| <DL> |
| <DD>Gets number of total write requests for the given class since start. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="since()"><!-- --></A><H3> |
| since</H3> |
| <PRE> |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</A> <B>since</B>()</PRE> |
| <DL> |
| <DD>Gets the time of last reset. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="start()"><!-- --></A><H3> |
| start</H3> |
| <PRE> |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</A> <B>start</B>()</PRE> |
| <DL> |
| <DD>Gets the time of start. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="reset()"><!-- --></A><H3> |
| reset</H3> |
| <PRE> |
| void <B>reset</B>()</PRE> |
| <DL> |
| <DD>Clears all accumulated statistics. |
| <P> |
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