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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.data;
-
- import com.vaadin.event.SerializableEventListener;
-
- /**
- * Handler for {@link BinderValidationStatus} changes.
- * <p>
- * {@link Binder#setValidationStatusHandler(BinderValidationStatusHandler)
- * Register} an instance of this class to be able to customize validation status
- * handling.
- * <p>
- * The default handler will show
- * {@link com.vaadin.ui.AbstractComponent#setComponentError(com.vaadin.server.ErrorMessage)
- * an error message} for failed field validations. For bean level validation
- * errors it will display the first error message in
- * {@link Binder#setStatusLabel(com.vaadin.ui.Label) status label}, if one has
- * been set.
- *
- * @author Vaadin Ltd
- *
- * @see BinderValidationStatus
- * @see Binder#validate()
- * @see BindingValidationStatus
- *
- * @param <BEAN>
- * the bean type of binder
- *
- * @since 8.0
- */
- @FunctionalInterface
- public interface BinderValidationStatusHandler<BEAN>
- extends SerializableEventListener {
-
- /**
- * Invoked when the validation status has changed in binder.
- *
- * @param statusChange
- * the changed status
- */
- void statusChange(BinderValidationStatus<BEAN> statusChange);
- }
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