/*
* Copyright (C) 2013 Jan Pokorsky
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cas.lib.proarc.common.dao.empiredb;
import cz.cas.lib.proarc.common.dao.Dao;
import cz.cas.lib.proarc.common.dao.Transaction;
import java.sql.Connection;
/**
*
* @author Jan Pokorsky
*/
public abstract class EmpireDao implements Dao {
protected final ProarcDatabase db;
protected SqlTransaction tx;
public EmpireDao(ProarcDatabase db) {
this.db = db;
}
public final void setTransaction(SqlTransaction tx) {
if (tx == null) {
throw new NullPointerException("tx");
}
this.tx = tx;
}
public final void setTransaction(Transaction tx) {
if (tx instanceof SqlTransaction) {
setTransaction((SqlTransaction) tx);
} else if (tx == null) {
throw new NullPointerException("tx");
} else {
throw new IllegalArgumentException(tx.getClass().toString());
}
}
protected final Connection getConnection() {
return tx.getConnection();
}
}