package org.prevayler.demos.demo2.business.transactions; import java.util.Date; import org.prevayler.demos.demo2.business.*; public class Withdrawal extends AccountTransaction { private static final long serialVersionUID = -4227641889302816129L; protected long _amount; private Withdrawal() {} //Necessary for Skaringa XML serialization public Withdrawal(Account account, long amount) { super(account); _amount = amount; } public void executeAndQuery(Account account, Date timestamp) throws Account.InvalidAmount { account.withdraw(_amount, timestamp); } }