Examples of com.sleepycat.persist.evolve.Deleter

com.sleepycat.persist.evolve.Deleter
old class. Version 0 is implied. // {@literal @Entity}class Person { String name; String favoriteColors; } // The new class. A new version number must be assigned. // {@literal @Entity(version=1)}class Person { String name; } // Add the mutation for deleting a field. // Mutations mutations = new Mutations(); mutations.addDeleter(new Deleter(Person.class.getName(), 0, "favoriteColors"); // Configure the mutations as described {@link Mutations here}.
To delete an entity class:
```
 package my.package; // The old class.  Version 0 is implied. // {@literal @Entity}class Statistics { ... } // Add the mutation for deleting a class. // Mutations mutations = new Mutations(); mutations.addDeleter(new Deleter("my.package.Statistics", 0)); // Configure the mutations as described  {@link Mutations here}.
```
@see com.sleepycat.persist.evolve Class Evolution @author Mark Hayes


        /* Get class mutations. */
        String oldName = oldFormat.getClassName();
        int oldVersion = oldFormat.getVersion();
        Renamer renamer = mutations.getRenamer(oldName, oldVersion, null);
        Deleter deleter = mutations.getDeleter(oldName, oldVersion, null);
        Converter converter =
            mutations.getConverter(oldName, oldVersion, null);
        if (deleter != null && (converter != null || renamer != null)) {
            addInvalidMutation
                (oldFormat, null, deleter,

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                 FIELD_LABEL);
            return EVOLVE_FAILURE;
        }


        /* Check field mutations.  Only a Renamer is allowed. */
        Deleter deleter = mutations.getDeleter
            (oldParent.getClassName(), oldParent.getVersion(), oldName);
        if (deleter != null) {
            addInvalidMutation
                (oldParent, newParent, deleter,
                 "Deleter is not allowed for a " + FIELD_LABEL);

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Related Classes of com.sleepycat.persist.evolve.Deleter

com.sleepycat.persist.impl.ComplexFormat

com.sleepycat.persist.impl.Evolver

com.sleepycat.persist.test.EvolveClasses$AllowChangeKeyMetadata

com.sleepycat.persist.test.EvolveClasses$AllowFieldAddDelete

com.sleepycat.persist.test.EvolveClasses$DeletedEntity2_ClassRemoved_WithDeleter

com.sleepycat.persist.test.EvolveClasses$DeletedEntity4_AnnotRemoved_WithDeleter

com.sleepycat.persist.test.EvolveClasses$DeletedEntity6_EntityToPersist_WithDeleter

com.sleepycat.persist.test.EvolveClasses$DeletedPersist1_ClassRemoved_NoMutation

com.sleepycat.persist.test.EvolveClasses$DeletedPersist2_ClassRemoved_WithDeleter

com.sleepycat.persist.test.EvolveClasses$DeletedPersist3_AnnotRemoved_NoMutation

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