Hibernate example source code file (ItemValueExtractor.java)

This example Hibernate source code file (ItemValueExtractor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

abstractreadwriteehcacheaccessstrategy, entry, entry, illegalargumentexception, item, itemvalueextractor, itemvalueextractor, object, object, settings, t, t

The Hibernate ItemValueExtractor.java source code

package org.hibernate.cache.ehcache.internal.strategy;

import org.hibernate.cache.ehcache.internal.regions.EhcacheTransactionalDataRegion;
import org.hibernate.cache.ehcache.internal.strategy.AbstractReadWriteEhcacheAccessStrategy;
import org.hibernate.cfg.Settings;


/**
 * @author Alex Snaps
 */
public class ItemValueExtractor extends AbstractReadWriteEhcacheAccessStrategy {


	/**
	 * Creates a read/write cache access strategy around the given cache region.
	 */
	public ItemValueExtractor(EhcacheTransactionalDataRegion region, Settings settings) {
		super(region, settings);
	}


	public static <T> T getValue(final Object entry) {
		if(!(entry instanceof Item)) {
			throw new IllegalArgumentException("Entry needs to be of type " + Item.class.getName());
		}
		return (T)((Item)entry).getValue();
	}
}