Examples of com.sleepycat.persist.impl.PersistKeyBinding

com.sleepycat.persist.impl.PersistKeyBinding
A persistence key binding for a given key class. @author Mark Hayes


        ClassMetadata classMeta =
            model.getClassMetadata(UseComparableKey.class.getName());
        assertNotNull(classMeta);


        PersistKeyBinding binding = new PersistKeyBinding
            (catalog, ComparableKey.class.getName(), false);


        PersistComparator comparator = new PersistComparator
            (ComparableKey.class.getName(),
             classMeta.getCompositeKeyFields(),

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        entityBinding.objectToKey(entity, keyEntry);
        Object entity2 = entityBinding.entryToObject(keyEntry, dataEntry);
        entity.validate(entity2);


        /* Read back the primary key and validate it. */
        PersistKeyBinding keyBinding =
            new PersistKeyBinding(catalog, keyCls.getName(), false);
        Object priKey2 = keyBinding.entryToObject(keyEntry);
        assertEquals(priKey, priKey2);
        keyBinding.objectToEntry(priKey2, keyEntry2);
        assertEquals(keyEntry, keyEntry2);


        /* Check raw entity binding. */
        PersistEntityBinding rawEntityBinding =
            new PersistEntityBinding(catalog, entityCls.getName(), true);
        RawObject rawEntity =
            (RawObject) rawEntityBinding.entryToObject(keyEntry, dataEntry);
        rawEntityBinding.objectToKey(rawEntity, keyEntry2);
        rawEntityBinding.objectToData(rawEntity, dataEntry2);
        entity2 = entityBinding.entryToObject(keyEntry2, dataEntry2);
        entity.validate(entity2);
        RawObject rawEntity2 =
            (RawObject) rawEntityBinding.entryToObject(keyEntry2, dataEntry2);
        assertEquals(rawEntity, rawEntity2);
        assertEquals(dataEntry, dataEntry2);
        assertEquals(keyEntry, keyEntry2);


        /* Check that raw entity can be converted to a regular entity. */
        entity2 = catalog.convertRawObject(rawEntity, null);
        entity.validate(entity2);


        /* Check raw key binding. */
        PersistKeyBinding rawKeyBinding =
            new PersistKeyBinding(catalog, keyCls.getName(), true);
        Object rawKey = rawKeyBinding.entryToObject(keyEntry);
        rawKeyBinding.objectToEntry(rawKey, keyEntry2);
        priKey2 = keyBinding.entryToObject(keyEntry2);
        assertEquals(priKey, priKey2);
        assertEquals(keyEntry, keyEntry2);
    }

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        boolean isKeyPresent = keyCreator.createSecondaryKey
            (null, keyEntry, dataEntry, secKeyEntry);
        assertEquals(keyValue != null, isKeyPresent);


        /* Convert secondary key bytes back to an object. */
        PersistKeyBinding keyBinding =
            new PersistKeyBinding(catalog, keyCls.getName(), false);
        if (isKeyPresent) {
            Object keyValue2 = keyBinding.entryToObject(secKeyEntry);
            assertEquals(keyValue, keyValue2);
            DatabaseEntry secKeyEntry2 = new DatabaseEntry();
            keyBinding.objectToEntry(keyValue2, secKeyEntry2);
            assertEquals(secKeyEntry, secKeyEntry2);
        }
    }

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        keyCreator.createSecondaryKeys
            (null, keyEntry, dataEntry, results);
        assertEquals(keyValues.size(), results.size());


        /* Convert secondary key bytes back to objects. */
        PersistKeyBinding keyBinding =
            new PersistKeyBinding(catalog, keyCls.getName(), false);
        Set keyValues2 = new HashSet();
        for (DatabaseEntry secKeyEntry : results) {
            Object keyValue2 = keyBinding.entryToObject(secKeyEntry);
            keyValues2.add(keyValue2);
        }
        assertEquals(keyValues, keyValues2);
    }

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            new PersistEntityBinding(catalog, entityCls.getName(), false);
        entityBinding.objectToData(entity, dataEntry);
        entityBinding.objectToKey(entity, keyEntry);


        /* Convert secondary key to bytes. */
        PersistKeyBinding keyBinding =
            new PersistKeyBinding(catalog, keyCls.getName(), false);
        DatabaseEntry secKeyEntry = new DatabaseEntry();
        if (keyValue != null) {
            keyBinding.objectToEntry(keyValue, secKeyEntry);
        }


        /* Nullify secondary key bytes within entity bytes. */
        boolean isKeyPresent = keyNullifier.nullifyForeignKey
            (null, keyEntry, dataEntry, secKeyEntry);

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            new PersistEntityBinding(catalog, entityCls.getName(), false);
        entityBinding.objectToData(entity, dataEntry);
        entityBinding.objectToKey(entity, keyEntry);


        /* Get secondary key binding. */
        PersistKeyBinding keyBinding =
            new PersistKeyBinding(catalog, keyCls.getName(), false);
        DatabaseEntry secKeyEntry = new DatabaseEntry();


        /* Nullify one key value at a time until all of them are gone. */
        while (true) {
            Object fieldObj = getField(entity, keyName);

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Related Classes of com.sleepycat.persist.impl.PersistKeyBinding

com.sleepycat.persist.test.BindingTest

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