arminw 2005/03/11 17:07:25
Modified: src/doc/forrest/src/documentation/content/xdocs/docu/guides
Tag: OJB_1_0_RELEASE objectcache.xml
Log:
fix typo
minor changes
Revision Changes Path
No revision
No revision
1.1.2.4 +16 -15
db-ojb/src/doc/forrest/src/documentation/content/xdocs/docu/guides/objectcache.xml
Index: objectcache.xml
===================================================================
RCS file:
/home/cvs/db-ojb/src/doc/forrest/src/documentation/content/xdocs/docu/guides/objectcache.xml,v
retrieving revision 1.1.2.3
retrieving revision 1.1.2.4
diff -u -r1.1.2.3 -r1.1.2.4
--- objectcache.xml 7 Feb 2005 20:43:08 -0000 1.1.2.3
+++ objectcache.xml 12 Mar 2005 01:07:25 -0000 1.1.2.4
@@ -476,17 +476,16 @@
<p>
<link
href="ext:api/cache-two-level">ObjectCacheTwoLevelImpl</link> is a two level
<link href="ext:api/cache-interface">ObjectCache</link>
implementation with a transactional
- session- and an shared application-cache part.
+ session- and a shared application-cache part.
</p>
<p>
The first level is a transactional session
- cache which cache objects till
+ cache that cache objects till
<link
href="ext:api/persistence-broker">PersistenceBroker</link>#close()
or if a PB-tx is running till
<code>#abortTransaction()</code> or
- <code>#commitTransaction()</code>.
+ <code>#commitTransaction()</code> was called.
<br/>
- On commit all objects from the session cache will be
pushed to the application cache
- (more precisely, only objects written to database till
the PB-tx).
+ On commit all objects reside in the session cache will
be pushed to the application cache.
<br/>
If objects be new materialized from the database (e.g.
when achieve a query), the full materialized
objects will be pushed immediately to the application
cache (more precisely, if the application
@@ -495,19 +494,21 @@
<p>
The second level cache can be specified with the
<em>applicationCache</em> property. Properties of
the specified application cache are allowed too. Here is
an example how to use the two level
- cache with <code>ObjectCacheDefaultImpl</code> as second
level cache.
+ cache with <link
href="#defaultImpl"><code>ObjectCacheDefaultImpl</code></link> as second level
cache.
</p>
<source><![CDATA[
<object-cache class="org.apache.ojb.broker.cache.ObjectCacheTwoLevelImpl">
+ <!-- meaning of attributes, please see docs section "Caching" -->
+ <!-- common attributes -->
<attribute attribute-name="cacheExcludes" attribute-value=""/>
- <attribute attribute-name="applicationCache" attribute-value=
-"org.apache.ojb.broker.cache.ObjectCacheDefaultImpl"/>
- <attribute attribute-name="copyStrategy" attribute-value=
-"org.apache.ojb.broker.cache.ObjectCacheTwoLevelImpl.CopyStrategyImpl"/>
-
- <!-- properties for used application cache - ObjectCacheDefaultImpl -->
+ <!-- ObjectCacheTwoLevelImpl attributes -->
+ <attribute attribute-name="applicationCache"
+
attribute-value="org.apache.ojb.broker.cache.ObjectCacheDefaultImpl"/>
+ <attribute attribute-name="copyStrategy"
+
attribute-value="org.apache.ojb.broker.cache.ObjectCacheTwoLevelImpl$CopyStrategyImpl"/>
+ <!-- ObjectCacheDefaultImpl attributes -->
<attribute attribute-name="timeout" attribute-value="900"/>
- <attribute attribute-name="autoSync" attribute-value="false"/>
+ <attribute attribute-name="autoSync" attribute-value="true"/>
<attribute attribute-name="cachingKeyType" attribute-value="0"/>
<attribute attribute-name="useSoftReferences" attribute-value="true"/>
</object-cache>]]></source>
@@ -515,7 +516,7 @@
The most important characteristic of the two-level cache
is that all objects put to or read from
the application cache are copies of the target object,
so the cached objects never could be
corrupted by the user when changing fields, because all
operations done on copies of
- objects cached in application cache (in contrast to
+ objects cached in the application cache (in contrast to
<link href="#defaultImpl">ObjectCacheDefaultImpl</link>).
</p>
<p>
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