    001// Copyright 2011 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007// http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014package org.apache.tapestry5.internal.services;
    015
    016import org.apache.tapestry5.commons.services.InvalidationEventHub;
    017import org.apache.tapestry5.commons.services.InvalidationListener;
    018import org.apache.tapestry5.services.ComponentClassResolver;
    019
    020/**
    021 * Split-out implementation of {@link InvalidationEventHub} that separates it from {@link ComponentInstantiatorSource}.
    022 * This was necessary due to some refactoring that made {@link ComponentClassResolver} and ComponentInstantiatorSource
    023 * mutually dependent.
    024 *
    025 * @since 5.3
    026 */
    027public interface InternalComponentInvalidationEventHub extends InvalidationEventHub
    028{
    029    /**
    030     * Invoked when the {@link ComponentInstantiatorSource} notices that
    031     * a class file within any of the controlled packages has changed. Fires the
    032     * {@link InvalidationListener#objectWasInvalidated()} notification.
    033     */
    034    void classInControlledPackageHasChanged();
    035}