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From kahat...@apache.org
Subject svn commit: r573196 - /db/derby/code/trunk/java/engine/org/apache/derby/iapi/services/cache/CacheManager.java
Date Thu, 06 Sep 2007 09:25:14 GMT
Author: kahatlen
Date: Thu Sep  6 02:25:14 2007
New Revision: 573196

URL: http://svn.apache.org/viewvc?rev=573196&view=rev
DERBY-2911 (partial)
Improved some javadoc comments in the CacheManager interface and made
them match what's actually implemented.


Modified: db/derby/code/trunk/java/engine/org/apache/derby/iapi/services/cache/CacheManager.java
URL: http://svn.apache.org/viewvc/db/derby/code/trunk/java/engine/org/apache/derby/iapi/services/cache/CacheManager.java?rev=573196&r1=573195&r2=573196&view=diff
--- db/derby/code/trunk/java/engine/org/apache/derby/iapi/services/cache/CacheManager.java
+++ db/derby/code/trunk/java/engine/org/apache/derby/iapi/services/cache/CacheManager.java
Thu Sep  6 02:25:14 2007
@@ -141,9 +141,12 @@
 	public Cacheable create(Object key, Object createParameter) throws StandardException;
-		Release a Cacheable object previously found with find() or findCached().
+		Release a <code>Cacheable</code> object previously found with
+		<code>find()</code> or <code>findCached()</code>, or created with
+		<code>create()</code>, and which is still kept by the caller.
 		After this call the caller must throw away the reference to item.
+		@param entry the cached object to release
 	public void release(Cacheable entry);
@@ -152,7 +155,9 @@
 		to provide synchronization of some form that ensures that only one caller
 		executes remove() on a cached object.
-		The object must have previously been found with find() or findCached().
+		The object must previously have been found with <code>find()</code> or
+		<code>findCached()</code>, or created with <code>create()</code>,
+		it must still be kept by the caller.
 		The item will be placed into the NoIdentity
 		state through clean(true) (if required) and clearIdentity(). The removal of the
 		object will be delayed until it is not kept by anyone. Objects that are in the
@@ -162,6 +167,8 @@
 		After this call the caller must throw away the reference to item.
+		@param entry the object to remove from the cache
 		@exception StandardException Standard Derby error policy.
 	public void remove(Cacheable entry) throws StandardException;
@@ -212,7 +219,8 @@
 		Shutdown the cache. This call stops the cache returning
-		any more valid references on a find() or findCached() call,
+		any more valid references on a <code>find()</code>,
+		<code>findCached()</code> or <code>create()</code> call,
 		and then cleanAll() and ageOut() are called. The cache remains
 		in existence until the last kept object has been unkept.
@@ -252,6 +260,9 @@
 	 * Return a Collection of the Cacheables currently in the
 	 * cache. The Collection should be a copy so that external
 	 * synchronization isn't required.
+	 *
+	 * <p>
+	 * This method should only be used for diagnostic purposes.
 	 * @return a Collection of all the elements in the cache

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