3.0.4/examples/Vlib/src/org/apache/tapestry/vlib/pages/Home.java

//  Copyright 2004 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.pages;

import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.html.BasePage;
import org.apache.tapestry.vlib.IErrorProperty;
import org.apache.tapestry.vlib.IMessageProperty;
import org.apache.tapestry.vlib.ejb.MasterQueryParameters;

/**
 *  The home page for the application, it's primary purpose is
 *  to provide a book search form.
 *
 *  @author Howard Lewis Ship
 *  @version $Id$
 **/

public abstract class Home extends BasePage implements IErrorProperty, IMessageProperty
{

    public abstract String getTitle();

    public abstract String getAuthor();

    public abstract Integer getPublisherId();

    public abstract Integer getOwnerId();

    /**
     *  Invokes {@link BookMatches#performQuery(MasterQueryParameters, IRequestCycle)}.
     * 
     **/

    public void search(IRequestCycle cycle)
    {
        BookMatches matches = (BookMatches) cycle.getPage("BookMatches");

        MasterQueryParameters parameters =
            new MasterQueryParameters(getTitle(), getAuthor(), getOwnerId(), getPublisherId());

        matches.performQuery(parameters, cycle);
    }

}