Java 类io.realm.exceptions.RealmPrimaryKeyConstraintException 实例源码

@Test
public void createObject_duplicatedNullPrimaryKeyThrows() throws NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException {
    addPrimaryKeyObjectToTestRealm(realm);

    realm.beginTransaction();
    try {
        realm.createObject(testClazz, null);
        fail("Null value as primary key already exists.");
    } catch (RealmPrimaryKeyConstraintException expected) {
        assertTrue("Exception message is: " + expected.getMessage(),
                expected.getMessage().contains("Primary key value already exists: 'null' ."));
    } finally {
        realm.cancelTransaction();
    }
}

@Test
public void copyToRealm_duplicatedNullPrimaryKeyThrows() {
    final String[] PRIMARY_KEY_TYPES = {"String", "BoxedByte", "BoxedShort", "BoxedInteger", "BoxedLong"};

    TestHelper.addStringPrimaryKeyObjectToTestRealm(realm, (String) null, 0);
    TestHelper.addBytePrimaryKeyObjectToTestRealm(realm, (Byte) null, (String) null);
    TestHelper.addShortPrimaryKeyObjectToTestRealm(realm, (Short) null, (String) null);
    TestHelper.addIntegerPrimaryKeyObjectToTestRealm(realm, (Integer) null, (String) null);
    TestHelper.addLongPrimaryKeyObjectToTestRealm(realm, (Long) null, (String) null);

    for (String className : PRIMARY_KEY_TYPES) {
        try {
            realm.beginTransaction();
            switch (className) {
                case "String":
                    realm.copyToRealm(new PrimaryKeyAsString());
                    break;
                case "BoxedByte":
                    realm.copyToRealm(new PrimaryKeyAsBoxedByte());
                    break;
                case "BoxedShort":
                    realm.copyToRealm(new PrimaryKeyAsBoxedShort());
                    break;
                case "BoxedInteger":
                    realm.copyToRealm(new PrimaryKeyAsBoxedInteger());
                    break;
                case "BoxedLong":
                    realm.copyToRealm(new PrimaryKeyAsBoxedLong());
                    break;
                default:
            }
            fail("Null value as primary key already exists.");
        } catch (RealmPrimaryKeyConstraintException expected) {
            assertTrue("Exception message is: " + expected.getMessage(),
                    expected.getMessage().contains("Primary key value already exists: 'null' ."));
        } finally {
            realm.cancelTransaction();
        }
    }
}

@Test
public void createObjectWithPrimaryKey_valueAlreadyExists() {
    realm.beginTransaction();
    realm.createObject(AllJavaTypes.class, 42);
    try {
        realm.createObject(AllJavaTypes.class, 42);
        fail();
    } catch (RealmPrimaryKeyConstraintException ignored) {
    }
}

@Test
public void primaryKey_checkPrimaryKeyOnCreate() {
    realm.beginTransaction();
    try {
        realm.createObject(AnnotationTypes.class, 0);
        fail("Two empty objects cannot be created on the same table if a primary key is defined");
    } catch (RealmPrimaryKeyConstraintException ignored) {
    } finally {
        realm.cancelTransaction();
    }
}

@Test
public void primaryKey_errorOnInsertingSameObject() {
    try {
        realm.beginTransaction();
        realm.createObject(AnnotationTypes.class, 1);
        realm.createObject(AnnotationTypes.class, 1);
        fail("Inserting two objects with same primary key should fail");
    } catch (RealmPrimaryKeyConstraintException ignored) {
    } finally {
        realm.cancelTransaction();
    }
}

public int create(Friend friend) {

        mRealm.beginTransaction();

        try {


        } catch (IllegalArgumentException | RealmPrimaryKeyConstraintException e) {

            mRealm.cancelTransaction();
            throw e;
        }

        mRealm.commitTransaction();

        return SUCCESS_OPERATION;
    }

public int create(Product product) {

        mRealm.beginTransaction();

        try {


        } catch (IllegalArgumentException | RealmPrimaryKeyConstraintException e) {

            mRealm.cancelTransaction();
            throw e;
        }

        mRealm.commitTransaction();

        return SUCCESS_OPERATION;
    }

/**
 * Throws a properly formatted exception when multiple objects with the same primary key
 * value is detected.
 *
 * @param value the primary key value.
 */
public static void throwDuplicatePrimaryKeyException(Object value) {
    throw new RealmPrimaryKeyConstraintException("Value already exists: " + value);
}