RemoteConnectionServer.java

/*
 *  Copyright 2007-2010 Brian S O'Neill
 *
 *  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.cojen.dirmi.jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.cojen.dirmi.util.Wrapper;

/**
 * 
 *
 * @author Brian S O'Neill
 */
public abstract class RemoteConnectionServer implements RemoteConnection {
    private static final Wrapper<RemoteConnectionServer, Connection> wrapper =
        Wrapper.from(RemoteConnectionServer.class, Connection.class);

    public static RemoteConnectionServer from(Connection con) {
        return wrapper.wrap(con);
    }

    private final Connection mConnection;

    protected RemoteConnectionServer(Connection con) {
        mConnection = con;
    }

    public RemoteStatement createStatement() throws SQLException {
        return RemoteStatementServer.from(mConnection.createStatement());
    }

    public RemoteStatement createStatement(int resultSetType, int resultSetConcurrency) 
        throws SQLException
    {
        return RemoteStatementServer.from
            (mConnection.createStatement(resultSetType,
                                         resultSetConcurrency));
    }

    public RemoteStatement createStatement(int resultSetType, int resultSetConcurrency, 
                                           int resultSetHoldability)
        throws SQLException
    {
        return RemoteStatementServer.from
            (mConnection.createStatement(resultSetType,
                                         resultSetConcurrency,
                                         resultSetHoldability));
    }

    public RemotePreparedStatement prepareStatement(String sql)
        throws SQLException
    {
        return RemotePreparedStatementServer.from(mConnection.prepareStatement(sql));
    }

    public RemotePreparedStatement prepareStatement(String sql, int resultSetType, 
                                                    int resultSetConcurrency)
        throws SQLException
    {
        return RemotePreparedStatementServer.from
            (mConnection.prepareStatement(sql, resultSetType, resultSetConcurrency));
    }

    public RemotePreparedStatement prepareStatement(String sql, int resultSetType, 
                                                    int resultSetConcurrency,
                                                    int resultSetHoldability)
        throws SQLException
    {
        return RemotePreparedStatementServer.from
            (mConnection.prepareStatement
             (sql, resultSetType, resultSetConcurrency, resultSetHoldability));
    }

    public RemotePreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
        throws SQLException
    {
        return RemotePreparedStatementServer.from
            (mConnection.prepareStatement(sql, autoGeneratedKeys));
    }

    public RemotePreparedStatement prepareStatement(String sql, int columnIndexes[])
        throws SQLException
    {
        return RemotePreparedStatementServer.from
            (mConnection.prepareStatement(sql, columnIndexes));
    }

    public RemotePreparedStatement prepareStatement(String sql, String columnNames[])
        throws SQLException
    {
        return RemotePreparedStatementServer.from(mConnection.prepareStatement(sql, columnNames));
    }

    public RemoteDatabaseMetaData getMetaData() throws SQLException {
        return RemoteDatabaseMetaDataServer.from(mConnection.getMetaData());
    }

    public int getHoldability() throws SQLException {
        try {
            return mConnection.getHoldability();
        } catch (SQLException e) {
            // Driver workaround. Assume safe answer.
            return ResultSet.CLOSE_CURSORS_AT_COMMIT;
        }
    }
}