/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test;
import org.jboss.util.TimedCachePolicy;
/** Tests of the TimedCachePolicy class.
@see org.jboss.util.TimedCachePolicy
@author Scott.Stark@jboss.org
@version $Revision: 58707 $
*/
public class TstTimedCache
{
static class Refreshable implements TimedCachePolicy.TimedEntry
{
int refreshes;
long expirationTime;
Object value;
Refreshable(long lifetime, Object value, int refreshes)
{
this.expirationTime = 1000 * lifetime;
this.value = value;
this.refreshes = refreshes;
}
public void init(long now)
{
expirationTime += now;
System.out.println(value+".init("+now+"), expirationTime="+expirationTime);
}
public boolean isCurrent(long now)
{
System.out.println(value+".isCurrent("+now+") = "+(expirationTime > now));
return expirationTime > now;
}
public boolean refresh()
{
refreshes --;
System.out.println(value+".refresh() = "+(refreshes > 0));
return refreshes > 0;
}
public void destroy()
{
System.out.println(value+".destroy()");
}
public Object getValue()
{
return value;
}
}
/**
* @param args the command line arguments
*/
public static void main(String args[])
{
TimedCachePolicy cache = new TimedCachePolicy(20, false, 1);
cache.create();
cache.start();
cache.insert("1", new Refreshable(5, "value1", 4));
cache.insert("2", new Refreshable(3, "value2", 10));
cache.insert("3", "value3");
long start = System.currentTimeMillis();
// Loop until the longest lived value is gone
while( cache.peek("2") != null )
{
long now = System.currentTimeMillis();
System.out.println("Elapsed: "+(now - start) / 1000);
System.out.println("get(1) -> "+cache.get("1"));
System.out.println("get(2) -> "+cache.get("2"));
System.out.println("get(3) -> "+cache.get("3"));
try
{
Thread.currentThread().sleep(3*1000);
}
catch(InterruptedException e)
{
}
}
long now = System.currentTimeMillis();
System.out.println("End, elapsed: "+(now - start) / 1000);
System.out.println("get(1) -> "+cache.get("1"));
System.out.println("get(2) -> "+cache.get("2"));
System.out.println("get(3) -> "+cache.get("3"));
}
}