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- /*
- * Copyright 2000-2016 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.data.provider;
-
- import java.io.Serializable;
-
- /**
- * Interface for listening for a data change events fired by a
- * {@link DataProvider}.
- *
- * @author Vaadin Ltd
- * @since 8.0
- */
- @FunctionalInterface
- public interface DataProviderListener extends Serializable {
-
- /**
- * Invoked when this listener receives a data change event from a data
- * source to which it has been added.
- * <p>
- * This event is fired when something has changed in the underlying data. It
- * doesn't allow to distinguish different kind of events
- * (add/remove/update). It means that the method implementation normally
- * just reloads the whole data to refresh.
- *
- * @param event
- * the received event, not null
- */
- void onDataChange(DataChangeEvent event);
- }
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