framework/src/java/org/apache/tapestry/IAction.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;

/**
 * A particular type of component usuable with the action service.
 * 
 * @author Howard Lewis Ship
 * @since 1.0.1
 * @deprecated To be removed in 4.1 with no replacement.
 */

public interface IAction extends IComponent
{
    /**
     * Returns true if the component requires an existing, not new,
     * {@link javax.servlet.http.HttpSession} to operate. Components who are not dependant on page
     * state (or the visit object) are non-stateful and can return false.
     */

    public boolean getRequiresSession();
}