Examples of com.sleepycat.persist.evolve.Converter

com.sleepycat.persist.evolve.Converter
old class. Version 0 is implied. // {@literal @Entity}class Person { // ... } // The new class. A new version number must be assigned. // {@literal @Entity(version=1)}class Person { // Incompatible changes were made here... } // Add a converter mutation. // Mutations mutations = new Mutations(); mutations.addConverter(new Converter(Person.class.getName(), 0, new MyConversion())); // Configure the mutations as described {@link Mutations here}.
See {@link Conversion} for more information.
@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,
                 "Class Deleter not allowed along with a Renamer or " +

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            addInvalidMutation
                (oldParent, newParent, deleter,
                 "Deleter is not allowed for a " + FIELD_LABEL);
            return EVOLVE_FAILURE;
        }
        Converter converter = mutations.getConverter
            (oldParent.getClassName(), oldParent.getVersion(), oldName);
        if (converter != null) {
            addInvalidMutation
                (oldParent, newParent, converter,
                 "Converter is not allowed for a " + FIELD_LABEL);

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         * below.
         */
        for (ComplexFormat oldSuper = getComplexSuper();
             oldSuper != null;
             oldSuper = oldSuper.getComplexSuper()) {
            Converter converter = mutations.getConverter
                (oldSuper.getClassName(), oldSuper.getVersion(), null);
            if (converter != null) {
                evolver.addMissingMutation
                    (this, newFormatParam,
                     "Converter is required for this subclass when a " +

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            /* Get field mutations. */
            Renamer renamer = mutations.getRenamer
                (getClassName(), getVersion(), oldName);
            Deleter deleter = mutations.getDeleter
                (getClassName(), getVersion(), oldName);
            Converter converter = mutations.getConverter
                (getClassName(), getVersion(), oldName);
            if (deleter != null && (converter != null || renamer != null)) {
                evolver.addInvalidMutation
                    (this, newFormat, deleter,
                     "Field Deleter is not allowed along with a Renamer or " +

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        /* 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,
                 "Class Deleter not allowed along with a Renamer or " +

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            addInvalidMutation
                (oldParent, newParent, deleter,
                 "Deleter is not allowed for a " + FIELD_LABEL);
            return EVOLVE_FAILURE;
        }
        Converter converter = mutations.getConverter
            (oldParent.getClassName(), oldParent.getVersion(), oldName);
        if (converter != null) {
            addInvalidMutation
                (oldParent, newParent, converter,
                 "Converter is not allowed for a " + FIELD_LABEL);

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        ConvertExample3_Address address;


        @Override
        Mutations getMutations() {
            Mutations m = new Mutations();
            Converter converter = new Converter
                (ConvertExample3_Person.class.getName(), 0,
                 new ConvertExample3_Conversion());
            m.addConverter(converter);
            return m;
        }

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        ConvertExample4_A embed;


        @Override
        Mutations getMutations() {
            Mutations m = new Mutations();
            Converter converter = new Converter
                (ConvertExample4_A.class.getName(), 0,
                 new Example4_Conversion());
            m.addConverter(converter);
            return m;
        }

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        ConvertExample5_Dog dog;


        @Override
        Mutations getMutations() {
            Mutations m = new Mutations();
            Converter converter = new Converter
                (ConvertExample5_Pet.class.getName(), 0,
                 new ConvertExample5_Conversion());
            m.addConverter(converter);
            return m;
        }

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        private String f4 = "4"; // new field


        @Override
        Mutations getMutations() {
            Mutations m = new Mutations();
            m.addConverter(new Converter(NAME, 0, "f1", new IntToString()));
            m.addConverter(new Converter(NAME, 0, "f3", new IntToString()));
            return m;
        }

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

com.sleepycat.persist.impl.ComplexFormat

com.sleepycat.persist.impl.Evolver

com.sleepycat.persist.test.EvolveClasses$AllowFieldTypeChanges

com.sleepycat.persist.test.EvolveClasses$ConvertExample1_Entity

com.sleepycat.persist.test.EvolveClasses$ConvertExample2_Person

com.sleepycat.persist.test.EvolveClasses$ConvertExample3_Person

com.sleepycat.persist.test.EvolveClasses$ConvertExample4_Entity

com.sleepycat.persist.test.EvolveClasses$ConvertExample5_Entity

com.sleepycat.persist.test.EvolveClasses$FieldAddAndConvert

java.lang.reflect.Method

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