How do I create a helper method which accepts unknown class types and return the correct object

[Luke Alvin Madzedze]

I have the following line of code for ORMLITE to create a dao (Data access object). I am trying to avoid repeating myself for ALL entities by writing the same statement for different database tables/entities.

Dao<Entity, String> entityDao = DaoManager.createDao(connectionSource,Entity.class);

How can i create a method which accepts ANY Entity that i have and return the correct entityDao object.

Such that I can combine the logic

Dao<UserEntity, String> userEntityDao = DaoManager.createDao(connectionSource,UserEntity.class);

and

Dao<AccountEntity, String> accountEntityDao = DaoManager.createDao(connectionSource,AccountEntity.class);

I have tried the following method:

  private Dao<?, String> createDAO(Class<?> dataClass) throws SQLException{
        // instantiate the dao
        return DaoManager.createDao(connectionSource, dataClass);
    }

[Gray Watson]

This should work:

private <T, ID> Dao<T, ID> createDAO(Class<T> dataClass) throws SQLException {
...

See the DoaManager createDao(...) code:

https://github.com/j256/ormlite-core/blob/master/src/main/java/com/j256/ormlite/dao/DaoManager.java#L41

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