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- /*
- * Copyright 2000-2018 Vaadin Ltd.
- *
- * 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 com.vaadin.server;
-
- import java.io.Serializable;
-
- /**
- * Listener that gets notified when the {@link VaadinService} to which it has
- * been registered is destroyed.
- *
- * @see VaadinService#addServiceDestroyListener(ServiceDestroyListener)
- * @see VaadinService#removeServiceDestroyListener(ServiceDestroyListener)
- *
- * @since 7.2
- * @author Vaadin Ltd
- */
- @FunctionalInterface
- public interface ServiceDestroyListener extends Serializable {
- /**
- * Invoked when a service is destroyed.
- *
- * @param event
- * the event
- */
- public void serviceDestroy(ServiceDestroyEvent event);
- }
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