Realm Wrappers

Wrappers.java

public interface RealmWrapper {
    Observable<Realm> asObservable();

    <E extends RealmModel> void createAllFromJson(Class<E> clazz, JSONArray json);

    <E extends RealmModel> void createOrUpdateAllFromJson(Class<E> clazz, JSONArray json);

    <E extends RealmModel> void createAllFromJson(Class<E> clazz, String json);

    <E extends RealmModel> void createOrUpdateAllFromJson(Class<E> clazz, String json);

    <E extends RealmModel> void createAllFromJson(Class<E> clazz, InputStream inputStream) throws IOException;

    <E extends RealmModel> void createOrUpdateAllFromJson(Class<E> clazz, InputStream in) throws IOException;

    <E extends RealmModel> E createObjectFromJson(Class<E> clazz, JSONObject json);

    <E extends RealmModel> E createOrUpdateObjectFromJson(Class<E> clazz, JSONObject json);

    <E extends RealmModel> E createObjectFromJson(Class<E> clazz, String json);

    <E extends RealmModel> E createOrUpdateObjectFromJson(Class<E> clazz, String json);

    <E extends RealmModel> E createObjectFromJson(Class<E> clazz, InputStream inputStream) throws IOException;

    <E extends RealmModel> E createOrUpdateObjectFromJson(Class<E> clazz, InputStream in) throws IOException;

    <E extends RealmModel> E createObject(Class<E> clazz);

    <E extends RealmModel> E createObject(Class<E> clazz, Object primaryKeyValue);

    <E extends RealmModel> E copyToRealm(E object);

    <E extends RealmModel> E copyToRealmOrUpdate(E object);

    <E extends RealmModel> List<E> copyToRealm(Iterable<E> objects);

    void insert(Collection<? extends RealmModel> objects);

    void insert(RealmModel object);

    void insertOrUpdate(Collection<? extends RealmModel> objects);

    void insertOrUpdate(RealmModel object);

    <E extends RealmModel> List<E> copyToRealmOrUpdate(Iterable<E> objects);

    <E extends RealmModel> List<E> copyFromRealm(Iterable<E> realmObjects);

    <E extends RealmModel> List<E> copyFromRealm(Iterable<E> realmObjects, int maxDepth);

    <E extends RealmModel> E copyFromRealm(E realmObject);

    <E extends RealmModel> E copyFromRealm(E realmObject, int maxDepth);

    <E extends RealmModel> RealmQueryWrapper<E> where(Class<E> clazz);

    void addChangeListener(RealmChangeListener<Realm> listener);

    void executeTransaction(Realm.Transaction transaction);

    RealmAsyncTask executeTransactionAsync(final Realm.Transaction transaction);

    RealmAsyncTask executeTransactionAsync(final Realm.Transaction transaction, final Realm.Transaction.OnSuccess onSuccess);

    RealmAsyncTask executeTransactionAsync(final Realm.Transaction transaction, final Realm.Transaction.OnError onError);

    RealmAsyncTask executeTransactionAsync(final Realm.Transaction transaction, final Realm.Transaction.OnSuccess onSuccess, final Realm.Transaction.OnError onError);

    void delete(Class<? extends RealmModel> clazz);

    void beginTransaction();

    void commitTransaction();
}

public interface RealmResultsWrapper<E extends RealmModel> {
    int size();

    E get(int i);
}

public interface RealmQueryWrapper<E extends RealmModel> {
    RealmResultsWrapper<E> findAll();

    RealmQueryWrapper<E> equalTo(String fieldName, String value);

    E findFirst();
}

This snippet created for the sake of the demo. There are missing API in listed interfaces above.