tapestry/tapestry-examples/VlibBeans/src/java/org/apache/tapestry/vlib/ejb/IEntityBean.java

// Copyright 2004, 2005 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.apache.tapestry.vlib.ejb;

import java.rmi.RemoteException;
import java.util.Map;

import javax.ejb.EJBObject;

/**
 * Defines the remove interface for an entity which can download and upload a
 * subset of its properties as a {@link Map}.
 * 
 * @author Howard Lewis Ship
 */

public interface IEntityBean extends EJBObject
{

    /**
     * Returns the simple attributes of the entity as a Map.
     */

    Map getEntityAttributes()
        throws RemoteException;

    /**
     * Updates some or all of the properties of the entity.
     */

    void updateEntityAttributes(Map data)
        throws RemoteException;
}