package org.jboss.cache.util;
import org.jboss.cache.Cache;
import org.jboss.cache.CacheSPI;
import org.jboss.cache.DataContainerImpl;
import org.jboss.cache.interceptors.base.CommandInterceptor;
import org.jboss.cache.invocation.CacheInvocationDelegate;
/**
* Helper that prints the contents of a {@link org.jboss.cache.Cache} to a string.
*
* @author <a href="mailto:manik@jboss.org">Manik Surtani</a>
* @since 2.0.0
*/
public class CachePrinter
{
/**
* Prints the contents of the cache (nodes + data) to a string
*
* @param c cache to print
* @return a String representation of the cache
*/
public static String printCacheDetails(Cache c)
{
// internal cast
DataContainerImpl ci = (DataContainerImpl) ((CacheInvocationDelegate) c).getDataContainer();
return ci.printDetails();
}
/**
* Prints the status of locks in the cache (nodes + locks) to a string
*
* @param c cache to print
* @return a String representation of the cache
*/
public static String printCacheLockingInfo(Cache c)
{
// internal cast
DataContainerImpl cd = (DataContainerImpl) ((CacheInvocationDelegate) c).getDataContainer();
return cd.printLockInfo();
}
public static String printCacheInterceptors(CacheSPI<?, ?> cache)
{
StringBuilder b = new StringBuilder();
int index = 0;
b.append("\n");
for (CommandInterceptor i : cache.getInterceptorChain())
{
b.append("# ");
b.append(index);
b.append(" : ");
b.append(i);
b.append("\n");
index++;
}
return b.toString();
}
public static String printInterceptorChain(CommandInterceptor i)
{
StringBuilder sb = new StringBuilder();
if (i != null)
{
if (i.getNext() != null)
{
sb.append(printInterceptorChain(i.getNext())).append("\n");
}
sb.append("\t>> ");
sb.append(i.getClass().getName());
}
return sb.toString();
}
}