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| org.apache.cayenne.cache</FONT> |
| <BR> |
| Class MapQueryCache</H2> |
| <PRE> |
| <A HREF="http://java.sun.com/javase/6/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 "><B>org.apache.cayenne.cache.MapQueryCache</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A>, <A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public class <B>MapQueryCache</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DL> |
| </PRE> |
| |
| <P> |
| A default implementation of the <A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache"><CODE>QueryCache</CODE></A> interface that stores data in a |
| non-expiring LRUMap. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>3.0</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.apache.cayenne.cache.MapQueryCache">Serialized Form</A></DL> |
| <HR> |
| |
| <P> |
| <!-- =========== FIELD SUMMARY =========== --> |
| |
| <A NAME="field_summary"><!-- --></A> |
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| <B>Field 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 int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/cache/MapQueryCache.html#DEFAULT_CACHE_SIZE">DEFAULT_CACHE_SIZE</A></B></CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,org.apache.cayenne.cache.MapQueryCache.CacheEntry></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/cache/MapQueryCache.html#map">map</A></B></CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_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>Constructor Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/cache/MapQueryCache.html#MapQueryCache()">MapQueryCache</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/cache/MapQueryCache.html#MapQueryCache(int)">MapQueryCache</A></B>(int maxSize)</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
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| <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> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/cache/MapQueryCache.html#clear()">clear</A></B>()</CODE> |
| |
| <BR> |
| Clears all cache entries.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/cache/MapQueryCache.html#get(org.apache.cayenne.query.QueryMetadata)">get</A></B>(<A HREF="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</A> metadata)</CODE> |
| |
| <BR> |
| Returns a cached query result for the given QueryMetadata or null if the result is |
| not cached or is expired.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/cache/MapQueryCache.html#get(org.apache.cayenne.query.QueryMetadata, org.apache.cayenne.cache.QueryCacheEntryFactory)">get</A></B>(<A HREF="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</A> metadata, |
| <A HREF="../../../../org/apache/cayenne/cache/QueryCacheEntryFactory.html" title="interface in org.apache.cayenne.cache">QueryCacheEntryFactory</A> factory)</CODE> |
| |
| <BR> |
| Returns a non-null cached value.</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/cayenne/cache/MapQueryCache.html#put(org.apache.cayenne.query.QueryMetadata, java.util.List)">put</A></B>(<A HREF="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</A> metadata, |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A> results)</CODE> |
| |
| <BR> |
| </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/cayenne/cache/MapQueryCache.html#remove(java.lang.String)">remove</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> key)</CODE> |
| |
| <BR> |
| Removes a single entry from cache.</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/cayenne/cache/MapQueryCache.html#removeGroup(java.lang.String)">removeGroup</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> groupKey)</CODE> |
| |
| <BR> |
| Removes a group of entries identified by group key.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/cache/MapQueryCache.html#size()">size</A></B>()</CODE> |
| |
| <BR> |
| Returns the number of entries currently in the cache, including expired but not |
| removed entries.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_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>Field Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="DEFAULT_CACHE_SIZE"><!-- --></A><H3> |
| DEFAULT_CACHE_SIZE</H3> |
| <PRE> |
| public static final int <B>DEFAULT_CACHE_SIZE</B></PRE> |
| <DL> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.cayenne.cache.MapQueryCache.DEFAULT_CACHE_SIZE">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="map"><!-- --></A><H3> |
| map</H3> |
| <PRE> |
| protected <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,org.apache.cayenne.cache.MapQueryCache.CacheEntry> <B>map</B></PRE> |
| <DL> |
| <DL> |
| </DL> |
| </DL> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_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>Constructor Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="MapQueryCache()"><!-- --></A><H3> |
| MapQueryCache</H3> |
| <PRE> |
| public <B>MapQueryCache</B>()</PRE> |
| <DL> |
| </DL> |
| <HR> |
| |
| <A NAME="MapQueryCache(int)"><!-- --></A><H3> |
| MapQueryCache</H3> |
| <PRE> |
| public <B>MapQueryCache</B>(int maxSize)</PRE> |
| <DL> |
| </DL> |
| |
| <!-- ============ 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="get(org.apache.cayenne.query.QueryMetadata)"><!-- --></A><H3> |
| get</H3> |
| <PRE> |
| public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A> <B>get</B>(<A HREF="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</A> metadata)</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#get(org.apache.cayenne.query.QueryMetadata)">QueryCache</A></CODE></B></DD> |
| <DD>Returns a cached query result for the given QueryMetadata or null if the result is |
| not cached or is expired. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#get(org.apache.cayenne.query.QueryMetadata)">get</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="get(org.apache.cayenne.query.QueryMetadata, org.apache.cayenne.cache.QueryCacheEntryFactory)"><!-- --></A><H3> |
| get</H3> |
| <PRE> |
| public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A> <B>get</B>(<A HREF="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</A> metadata, |
| <A HREF="../../../../org/apache/cayenne/cache/QueryCacheEntryFactory.html" title="interface in org.apache.cayenne.cache">QueryCacheEntryFactory</A> factory)</PRE> |
| <DL> |
| <DD>Returns a non-null cached value. If it is not present in the cache, it is obtained |
| by calling <A HREF="../../../../org/apache/cayenne/cache/QueryCacheEntryFactory.html#createObject()"><CODE>QueryCacheEntryFactory.createObject()</CODE></A> without blocking the cache. As |
| a result there is a potential of multiple threads to be updating cache in parallel - |
| this wouldn't lead to corruption of the cache, but can be suboptimal. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#get(org.apache.cayenne.query.QueryMetadata, org.apache.cayenne.cache.QueryCacheEntryFactory)">get</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="put(org.apache.cayenne.query.QueryMetadata, java.util.List)"><!-- --></A><H3> |
| put</H3> |
| <PRE> |
| public void <B>put</B>(<A HREF="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</A> metadata, |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A> results)</PRE> |
| <DL> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#put(org.apache.cayenne.query.QueryMetadata, java.util.List)">put</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="remove(java.lang.String)"><!-- --></A><H3> |
| remove</H3> |
| <PRE> |
| public void <B>remove</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> key)</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#remove(java.lang.String)">QueryCache</A></CODE></B></DD> |
| <DD>Removes a single entry from cache. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#remove(java.lang.String)">remove</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="removeGroup(java.lang.String)"><!-- --></A><H3> |
| removeGroup</H3> |
| <PRE> |
| public void <B>removeGroup</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> groupKey)</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#removeGroup(java.lang.String)">QueryCache</A></CODE></B></DD> |
| <DD>Removes a group of entries identified by group key. Note that depending on |
| implementation this method may either actively remove the entries belonging to the |
| group or just mark them as expired, so that they are refreshed on the next access. |
| In the former case the cache size would shrink, but in the later the cache size |
| will not change after calling this method. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#removeGroup(java.lang.String)">removeGroup</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="clear()"><!-- --></A><H3> |
| clear</H3> |
| <PRE> |
| public void <B>clear</B>()</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#clear()">QueryCache</A></CODE></B></DD> |
| <DD>Clears all cache entries. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#clear()">clear</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="size()"><!-- --></A><H3> |
| size</H3> |
| <PRE> |
| public int <B>size</B>()</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#size()">QueryCache</A></CODE></B></DD> |
| <DD>Returns the number of entries currently in the cache, including expired but not |
| removed entries. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html#size()">size</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/cache/QueryCache.html" title="interface in org.apache.cayenne.cache">QueryCache</A></CODE></DL> |
| </DD> |
| <DD><DL> |
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