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Cayenne Object Persistence Framework
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* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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,
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package org.apache.cayenne.validation;
import java.io.Serializable;
/**
* Definea a single failure during the validation process. Implementing classes may
* store any extra information to help callers to identify the source and reasons
* for the failure.
*
* @see BeanValidationFailure
* @author Fabricio Voznika
* @since 1.1
*/
public interface ValidationFailure extends Serializable {
/**
* Returns the object that has generated the failure. For example, if a Person
* must have a name and a ValidationFailure
is created when the
* user attempts to save it, the Person
object would be the failure source.
*
* @return the failure's source or null in case a source cannot be defined.
*/
public Object getSource();
/**
* Returns an user defined error object.
*/
public Object getError();
/**
* Returns a String representation of the error object.
* This is used in log messages and exceptions.
*/
public String getDescription();
}
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