DBAccess.java

package in.partake.model.access;

import in.partake.app.PartakeApp;
import in.partake.base.PartakeException;
import in.partake.model.IPartakeDAOs;
import in.partake.model.dao.DAOException;
import in.partake.model.dao.PartakeConnection;
import in.partake.service.IDBService;

public abstract class DBAccess<T> {
    public final T execute() throws DAOException, PartakeException {
        IDBService dbService = PartakeApp.getDBService();

        PartakeConnection con = dbService.getConnection();
        try {
            return doExecute(con, dbService.getDAOs());
        } finally {
            con.invalidate();
        }
    }

    protected abstract T doExecute(PartakeConnection con, IPartakeDAOs daos) throws DAOException, PartakeException;
}