transactionwithquerywrapper.java

来自「Java mulitplayer strategy game. Adaptati」· Java 代码 · 共 33 行

package net.sf.jawp.gf.persistence;

import java.util.Date;

import org.prevayler.TransactionWithQuery;
/**
 * 
 * @author jarek
 * @version $Revision: 1.4 $
 *
 * @param <RETURNTYPE> type of object this transaction returns - may be Void
 * @param <SYSTEM> the type of persistens object (prevalent system)
 * @param <UNMODIFIABLE> the type of unmodifiable view of system
 */
public class TransactionWithQueryWrapper<RETURNTYPE, SYSTEM extends PersistentSystem<UNMODIFIABLE>, UNMODIFIABLE> 
implements TransactionWithQuery
{
	private static final long serialVersionUID = 1L;
	
    private final Command<RETURNTYPE, SYSTEM, UNMODIFIABLE> cmd;

	public TransactionWithQueryWrapper( final Command<RETURNTYPE, SYSTEM, UNMODIFIABLE > cmd)
	{
		this.cmd = cmd;
	}
	
	@SuppressWarnings("unchecked")
	public Object executeAndQuery(final Object arg0, final Date arg1)
	{
		return cmd.perform((SYSTEM) arg0, arg1);
	}
}