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package com.sun.gjc.spi.jdbc30;

import com.sun.gjc.spi.base.CallableStatementWrapper;

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


/**
 * Wrapper for JDBC 3.0 CallableStatement
 */
public class CallableStatementWrapper30 extends CallableStatementWrapper {

    /**
     * Creates a new instance of CallableStatement wrapper for JDBC 3.0

     *
     * @param con       ConnectionWrapper

     * @param statement CallableStatement that is wrapped

     */
    public CallableStatementWrapper30(Connection con, CallableStatement statement,
                                      boolean enableCaching)  throws SQLException{
        super(con, statement, enableCaching);
    }

    /**
     * Executes the SQL query in this PreparedStatement object
     * and returns the ResultSet object generated by the query.
     *
     * @return a ResultSet object that contains the data produced by the
     *         query; never null
     * @throws java.sql.SQLException if a database access error occurs or the SQL
     *                               statement does not return a ResultSet object
     */
    public java.sql.ResultSet executeQuery() throws java.sql.SQLException {
        ResultSet rs = callableStatement.executeQuery();
        return new ResultSetWrapper30(this, rs);
    }

    /**
     * Executes the given SQL statement, which returns a single
     * ResultSet object.
     *
     * @param sql an SQL statement to be sent to the database, typically a
     *            static SQL SELECT statement
     * @return a ResultSet object that contains the data produced
     *         by the given query; never null
     * @throws SQLException if a database access error occurs or the given
     *                      SQL statement produces anything other than a single
     *                      ResultSet object
     */
    public java.sql.ResultSet executeQuery(String sql) throws
            java.sql.SQLException {
        ResultSet rs = callableStatement.executeQuery(sql);
        return new ResultSetWrapper30(this, rs);
    }

    /**
     * Retrieves any auto-generated keys created as a result of executing this
     * Statement object. If this Statement object did
     * not generate any keys, an empty ResultSet
     * object is returned.
     *
     * @return a ResultSet object containing the auto-generated key(s)
     *         generated by the execution of this Statement object
     * @throws SQLException if a database access error occurs
     * @since 1.4
     */
    public java.sql.ResultSet getGeneratedKeys() throws java.sql.SQLException {
        ResultSet rs = callableStatement.getGeneratedKeys();
        if (rs == null)
            return null;
        return new ResultSetWrapper30(this, rs);
    }

    /**
     * Retrieves the current result as a ResultSet object.
     * This method should be called only once per result.
     *
     * @return the current result as a ResultSet object or
     *         null if the result is an update count or there are no more results
     * @throws SQLException if a database access error occurs
     * @see #execute
     */
    public java.sql.ResultSet getResultSet() throws java.sql.SQLException {
        ResultSet rs = callableStatement.getResultSet();
        if (rs == null)
            return null;
        return new ResultSetWrapper30(this, rs);
    }


}