BankTransaction.java

package org.prevayler.demos.demo2.business.transactions;
import java.util.Date;
import org.prevayler.TransactionWithQuery;
import org.prevayler.demos.demo2.business.Bank;

public abstract class BankTransaction implements TransactionWithQuery {
  public Object executeAndQuery(  Object bank,  Date timestamp) throws Exception {
    return executeAndQuery((Bank)bank,timestamp);
  }
  protected abstract Object executeAndQuery(  Bank bank,  Date timestamp) throws Exception ;
}