ClientPersistentFieldStorage.java :  » Library » Tapestry » org » apache » tapestry » internal » services » Java Open Source

// Copyright 2007 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.internal.services;

import org.apache.tapestry.Link;
import org.apache.tapestry.services.PersistentFieldChange;
import org.apache.tapestry.services.PersistentFieldStrategy;

/**
 * Describes an object that can store {@link PersistentFieldChange}s, and manage a query parameter
 * stored into a {@link Link} to maining this data across requests.
 */
public interface ClientPersistentFieldStorage extends PersistentFieldStrategy
{
    /**
     * Updates a link, adding a query parameter to it (if necessary) to store
     * 
     * @param link
     */
    void updateLink(Link link);
}