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 *  to you under the Apache License, Version 2.0 (the
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne;

import org.apache.cayenne.validation.ValidationResult;

/**
 * Defines a number of callback methods that allow an object to be validated before safe.
 * Entity class can implement this interface and its methods will be called automatically.
 * 
 * @since 3.0
 */
public interface Validating {

    /**
     * Performs property validation of the NEW object, appending any validation failures
     * to the provided validationResult object. This method is invoked by ObjectContext
     * before committing a NEW object to the database.
     */
    public void validateForInsert(ValidationResult validationResult);

    /**
     * Performs property validation of the MODIFIED object, appending any validation
     * failures to the provided validationResult object. This method is invoked by
     * ObjectContext before committing a MODIFIED object to the database.
     */
    public void validateForUpdate(ValidationResult validationResult);

    /**
     * Performs property validation of the DELETED object, appending any validation
     * failures to the provided validationResult object. This method is invoked by
     * ObjectContext before committing a DELETED object to the database.
     */
    public void validateForDelete(ValidationResult validationResult);
}




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