[Jboss-svn-commits] JBL Code SVN: r1046 - trunk/jira-extensions/cache/src/java/pl/net/mamut/jira

[<jbo...@li...>]

Author: adamw
Date: 2005-09-05 17:45:40 -0400 (Mon, 05 Sep 2005)
New Revision: 1046

Modified:
   trunk/jira-extensions/cache/src/java/pl/net/mamut/jira/Cache.java
Log:
Cache with timeouts


Modified: trunk/jira-extensions/cache/src/java/pl/net/mamut/jira/Cache.java
===================================================================
--- trunk/jira-extensions/cache/src/java/pl/net/mamut/jira/Cache.java	2005-09-05 16:33:01 UTC (rev 1045)
+++ trunk/jira-extensions/cache/src/java/pl/net/mamut/jira/Cache.java	2005-09-05 21:45:40 UTC (rev 1046)
@@ -1,10 +1,31 @@
 package pl.net.mamut.jira;
 
 import java.lang.ref.SoftReference;
+import java.util.Calendar;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
+class ObjectWithTime {
+	private Object o;
+	private long time;
+	
+	private final static int TIMEOUT = 24*60*60*1000;
+	
+	public ObjectWithTime(Object o) {
+		this.o = o;
+		time = Calendar.getInstance().getTimeInMillis();
+	}
+	
+	public Object get() {
+		long now = Calendar.getInstance().getTimeInMillis();
+		if (now - time > TIMEOUT)
+			return null;
+		
+		return o;
+	}
+}
+
 /**
  * @author adamw
  * A simple SoftReference-based cache.
@@ -25,8 +46,13 @@
 		Object o = cache.get(key);
 		if (o == null)
 			return o;
-		else
-			return ((SoftReference) o).get();
+		else {
+			o = ((SoftReference) o).get();
+			if (o == null)
+				return o;
+			
+			return ((ObjectWithTime) o).get();
+		}
 	}
 	
 	/**
@@ -35,7 +61,7 @@
 	 * @param o Value to put.
 	 */
 	public static void put(String key, Object o) {
-		cache.put(key, new SoftReference(o));
+		cache.put(key, new SoftReference(new ObjectWithTime(o)));
 	}
 	
 	/**