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| <H2> |
| <FONT SIZE="-1"> |
| org.apache.http.impl.client.cache.ehcache</FONT> |
| <BR> |
| Class EhcacheHttpCacheStorage</H2> |
| <PRE> |
| <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.http.impl.client.cache.ehcache.EhcacheHttpCacheStorage</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html" title="interface in org.apache.http.client.cache">HttpCacheStorage</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public class <B>EhcacheHttpCacheStorage</B><DT>extends <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html" title="interface in org.apache.http.client.cache">HttpCacheStorage</A></DL> |
| </PRE> |
| |
| <P> |
| <p>This class is a storage backend for cache entries that uses the |
| popular <a href="http://ehcache.org">Ehcache</a> cache implementation. |
| In particular, this backend allows for spillover to disk, where the |
| cache can be effectively larger than memory, and cached responses are |
| paged into and out of memory from disk as needed.</p> |
| |
| <p><b>N.B.</b> Since the Ehcache is configured ahead of time with a |
| maximum number of cache entries, this effectively ignores the |
| <A HREF="../../../../../../../org/apache/http/impl/client/cache/CacheConfig.html#setMaxCacheEntries(int)"><CODE>maximum cache entries</CODE></A> |
| specified by a provided <A HREF="../../../../../../../org/apache/http/impl/client/cache/CacheConfig.html" title="class in org.apache.http.impl.client.cache"><CODE>CacheConfig</CODE></A>.</p> |
| |
| <p>Please refer to the <a href="http://ehcache.org/documentation/index.html"> |
| Ehcache documentation</a> for details on how to configure the Ehcache |
| itself.</p> |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>4.1</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| |
| <!-- ======== 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/http/impl/client/cache/ehcache/EhcacheHttpCacheStorage.html#EhcacheHttpCacheStorage(net.sf.ehcache.Ehcache)">EhcacheHttpCacheStorage</A></B>(net.sf.ehcache.Ehcache cache)</CODE> |
| |
| <BR> |
| Constructs a storage backend using the provided Ehcache |
| with default configuration options.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../../../../org/apache/http/impl/client/cache/ehcache/EhcacheHttpCacheStorage.html#EhcacheHttpCacheStorage(net.sf.ehcache.Ehcache, org.apache.http.impl.client.cache.CacheConfig)">EhcacheHttpCacheStorage</A></B>(net.sf.ehcache.Ehcache cache, |
| <A HREF="../../../../../../../org/apache/http/impl/client/cache/CacheConfig.html" title="class in org.apache.http.impl.client.cache">CacheConfig</A> config)</CODE> |
| |
| <BR> |
| Constructs a storage backend using the provided Ehcache |
| with the given configuration options.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../../../../org/apache/http/impl/client/cache/ehcache/EhcacheHttpCacheStorage.html#EhcacheHttpCacheStorage(net.sf.ehcache.Ehcache, org.apache.http.impl.client.cache.CacheConfig, org.apache.http.client.cache.HttpCacheEntrySerializer)">EhcacheHttpCacheStorage</A></B>(net.sf.ehcache.Ehcache cache, |
| <A HREF="../../../../../../../org/apache/http/impl/client/cache/CacheConfig.html" title="class in org.apache.http.impl.client.cache">CacheConfig</A> config, |
| <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheEntrySerializer.html" title="interface in org.apache.http.client.cache">HttpCacheEntrySerializer</A> serializer)</CODE> |
| |
| <BR> |
| Constructs a storage backend using the provided Ehcache |
| with the given configuration options, but using an alternative |
| cache entry serialization strategy.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
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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> <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheEntry.html" title="class in org.apache.http.client.cache">HttpCacheEntry</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../../org/apache/http/impl/client/cache/ehcache/EhcacheHttpCacheStorage.html#getEntry(java.lang.String)">getEntry</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> key)</CODE> |
| |
| <BR> |
| Retrieves the cache entry stored under the given key |
| or null if no entry exists under that key.</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/http/impl/client/cache/ehcache/EhcacheHttpCacheStorage.html#putEntry(java.lang.String, org.apache.http.client.cache.HttpCacheEntry)">putEntry</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> key, |
| <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheEntry.html" title="class in org.apache.http.client.cache">HttpCacheEntry</A> entry)</CODE> |
| |
| <BR> |
| Store a given cache entry under the given key.</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/http/impl/client/cache/ehcache/EhcacheHttpCacheStorage.html#removeEntry(java.lang.String)">removeEntry</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> key)</CODE> |
| |
| <BR> |
| Deletes/invalidates/removes any cache entries currently |
| stored under the given key.</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/http/impl/client/cache/ehcache/EhcacheHttpCacheStorage.html#updateEntry(java.lang.String, org.apache.http.client.cache.HttpCacheUpdateCallback)">updateEntry</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> key, |
| <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheUpdateCallback.html" title="interface in org.apache.http.client.cache">HttpCacheUpdateCallback</A> callback)</CODE> |
| |
| <BR> |
| Atomically applies the given callback to update an existing cache |
| entry under a given key.</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://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ========= 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="EhcacheHttpCacheStorage(net.sf.ehcache.Ehcache)"><!-- --></A><H3> |
| EhcacheHttpCacheStorage</H3> |
| <PRE> |
| public <B>EhcacheHttpCacheStorage</B>(net.sf.ehcache.Ehcache cache)</PRE> |
| <DL> |
| <DD>Constructs a storage backend using the provided Ehcache |
| with default configuration options. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>cache</CODE> - where to store cached origin responses</DL> |
| </DL> |
| <HR> |
| |
| <A NAME="EhcacheHttpCacheStorage(net.sf.ehcache.Ehcache, org.apache.http.impl.client.cache.CacheConfig)"><!-- --></A><H3> |
| EhcacheHttpCacheStorage</H3> |
| <PRE> |
| public <B>EhcacheHttpCacheStorage</B>(net.sf.ehcache.Ehcache cache, |
| <A HREF="../../../../../../../org/apache/http/impl/client/cache/CacheConfig.html" title="class in org.apache.http.impl.client.cache">CacheConfig</A> config)</PRE> |
| <DL> |
| <DD>Constructs a storage backend using the provided Ehcache |
| with the given configuration options. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>cache</CODE> - where to store cached origin responses<DD><CODE>config</CODE> - cache storage configuration options - note that |
| the setting for max object size <b>will be ignored</b> and |
| should be configured in the Ehcache instead.</DL> |
| </DL> |
| <HR> |
| |
| <A NAME="EhcacheHttpCacheStorage(net.sf.ehcache.Ehcache, org.apache.http.impl.client.cache.CacheConfig, org.apache.http.client.cache.HttpCacheEntrySerializer)"><!-- --></A><H3> |
| EhcacheHttpCacheStorage</H3> |
| <PRE> |
| public <B>EhcacheHttpCacheStorage</B>(net.sf.ehcache.Ehcache cache, |
| <A HREF="../../../../../../../org/apache/http/impl/client/cache/CacheConfig.html" title="class in org.apache.http.impl.client.cache">CacheConfig</A> config, |
| <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheEntrySerializer.html" title="interface in org.apache.http.client.cache">HttpCacheEntrySerializer</A> serializer)</PRE> |
| <DL> |
| <DD>Constructs a storage backend using the provided Ehcache |
| with the given configuration options, but using an alternative |
| cache entry serialization strategy. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>cache</CODE> - where to store cached origin responses<DD><CODE>config</CODE> - cache storage configuration options - note that |
| the setting for max object size <b>will be ignored</b> and |
| should be configured in the Ehcache instead.<DD><CODE>serializer</CODE> - alternative serialization mechanism</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="putEntry(java.lang.String, org.apache.http.client.cache.HttpCacheEntry)"><!-- --></A><H3> |
| putEntry</H3> |
| <PRE> |
| public void <B>putEntry</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> key, |
| <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheEntry.html" title="class in org.apache.http.client.cache">HttpCacheEntry</A> entry) |
| throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html#putEntry(java.lang.String, org.apache.http.client.cache.HttpCacheEntry)">HttpCacheStorage</A></CODE></B></DD> |
| <DD>Store a given cache entry under the given key. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html#putEntry(java.lang.String, org.apache.http.client.cache.HttpCacheEntry)">putEntry</A></CODE> in interface <CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html" title="interface in org.apache.http.client.cache">HttpCacheStorage</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>key</CODE> - where in the cache to store the entry<DD><CODE>entry</CODE> - cached response to store |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getEntry(java.lang.String)"><!-- --></A><H3> |
| getEntry</H3> |
| <PRE> |
| public <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheEntry.html" title="class in org.apache.http.client.cache">HttpCacheEntry</A> <B>getEntry</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> key) |
| throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html#getEntry(java.lang.String)">HttpCacheStorage</A></CODE></B></DD> |
| <DD>Retrieves the cache entry stored under the given key |
| or null if no entry exists under that key. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html#getEntry(java.lang.String)">getEntry</A></CODE> in interface <CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html" title="interface in org.apache.http.client.cache">HttpCacheStorage</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>key</CODE> - cache key |
| <DT><B>Returns:</B><DD>an <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheEntry.html" title="class in org.apache.http.client.cache"><CODE>HttpCacheEntry</CODE></A> or <code>null</code> if no |
| entry exists |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="removeEntry(java.lang.String)"><!-- --></A><H3> |
| removeEntry</H3> |
| <PRE> |
| public void <B>removeEntry</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> key)</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html#removeEntry(java.lang.String)">HttpCacheStorage</A></CODE></B></DD> |
| <DD>Deletes/invalidates/removes any cache entries currently |
| stored under the given key. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html#removeEntry(java.lang.String)">removeEntry</A></CODE> in interface <CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html" title="interface in org.apache.http.client.cache">HttpCacheStorage</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="updateEntry(java.lang.String, org.apache.http.client.cache.HttpCacheUpdateCallback)"><!-- --></A><H3> |
| updateEntry</H3> |
| <PRE> |
| public void <B>updateEntry</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> key, |
| <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheUpdateCallback.html" title="interface in org.apache.http.client.cache">HttpCacheUpdateCallback</A> callback) |
| throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A>, |
| <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheUpdateException.html" title="class in org.apache.http.client.cache">HttpCacheUpdateException</A></PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html#updateEntry(java.lang.String, org.apache.http.client.cache.HttpCacheUpdateCallback)">HttpCacheStorage</A></CODE></B></DD> |
| <DD>Atomically applies the given callback to update an existing cache |
| entry under a given key. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html#updateEntry(java.lang.String, org.apache.http.client.cache.HttpCacheUpdateCallback)">updateEntry</A></CODE> in interface <CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheStorage.html" title="interface in org.apache.http.client.cache">HttpCacheStorage</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>key</CODE> - indicates which entry to modify<DD><CODE>callback</CODE> - performs the update; see |
| <A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheUpdateCallback.html" title="interface in org.apache.http.client.cache"><CODE>HttpCacheUpdateCallback</CODE></A> for details, but roughly the |
| callback expects to be handed the current entry and will return |
| the new value for the entry. |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> |
| <DD><CODE><A HREF="../../../../../../../org/apache/http/client/cache/HttpCacheUpdateException.html" title="class in org.apache.http.client.cache">HttpCacheUpdateException</A></CODE></DL> |
| </DD> |
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