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19 package org.apache.cayenne;
20
21 import org.apache.cayenne.validation.ValidationResult;
22
23 /**
24  * Defines a number of callback methods that allow an object to be validated before safe.
25  * Entity class can implement this interface and its methods will be called automatically.
26  *
27  * @since 3.0
28  * @author Andrus Adamchik
29  */
30 public interface Validating {
31
32     /**
33      * Performs property validation of the NEW object, appending any validation failures
34      * to the provided validationResult object. This method is invoked by ObjectContext
35      * before committing a NEW object to the database.
36      */
37     public void validateForInsert(ValidationResult validationResult);
38
39     /**
40      * Performs property validation of the MODIFIED object, appending any validation
41      * failures to the provided validationResult object. This method is invoked by
42      * ObjectContext before committing a MODIFIED object to the database.
43      */
44     public void validateForUpdate(ValidationResult validationResult);
45
46     /**
47      * Performs property validation of the DELETED object, appending any validation
48      * failures to the provided validationResult object. This method is invoked by
49      * ObjectContext before committing a DELETED object to the database.
50      */
51     public void validateForDelete(ValidationResult validationResult);
52 }
53
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