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/*
 * Copyright (C) 2004 - 2014 Brian McCallister
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.skife.jdbi.v2;

import org.skife.jdbi.v2.exceptions.NoResultsException;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

abstract class QueryResultSetMunger implements QueryResultMunger
{
    private BaseStatement stmt;

    QueryResultSetMunger(final BaseStatement stmt)
    {
        this.stmt = stmt;
    }

    @Override
    public final T munge(Statement results)
            throws SQLException
    {
        ResultSet rs = results.getResultSet();
        if (rs == null) {
            throw new NoResultsException("Query did not have a result set, perhaps you meant update?", stmt.getContext());
        }

        stmt.addCleanable(Cleanables.forResultSet(rs));
        return munge(rs);
    }

    protected abstract T munge(ResultSet rs)
            throws SQLException;
}