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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.data.Binder.BindingBuilder;
import com.vaadin.event.SerializableEventListener;
/**
* Handler for {@link BindingValidationStatus} changes.
* <p>
* {@link BindingBuilder#withValidationStatusHandler(BindingValidationStatusHandler)}
* Register} an instance of this class to be able to override the default
* handling, which is to show
* {@link com.vaadin.ui.AbstractComponent#setComponentError(com.vaadin.server.ErrorMessage)
* an error message} for failed field validations.
*
* @author Vaadin Ltd
*
* @see BindingBuilder#withValidationStatusHandler(BindingValidationStatusHandler)
* @see BindingValidationStatus
*
* @since 8.0
*
*/
@FunctionalInterface
public interface BindingValidationStatusHandler
extends SerializableEventListener {
/**
* Invoked when the validation status has changed in a binding.
*
* @param statusChange
* the changed status
*/
public void statusChange(BindingValidationStatus<?> statusChange);
}
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