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PreparedStatementWrapper.java

/*
 Copyright (C) 2002-2007 MySQL AB

 This program is free software; you can redistribute it and/or modify
 it under the terms of version 2 of the GNU General Public License as 
 published by the Free Software Foundation.

 There are special exceptions to the terms and conditions of the GPL 
 as it is applied to this software. View the full text of the 
 exception in file EXCEPTIONS-CONNECTOR-J in the directory of this 
 software distribution.

 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, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



 */
package com.mysql.jdbc.jdbc2.optional;

import com.mysql.jdbc.SQLError;
import com.mysql.jdbc.Util;
import com.mysql.jdbc.exceptions.NotYetImplementedException;

import java.io.InputStream;
import java.io.Reader;

import java.lang.reflect.Constructor;
import java.math.BigDecimal;

import java.net.URL;

import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
//import java.sql.NClob;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.Statement;
//import java.sql.RowId;
import java.sql.SQLException;
//import java.sql.SQLXML;
import java.sql.Time;
import java.sql.Timestamp;

import java.util.Calendar;

/**
 * Wraps prepared statements so that errors can be reported correctly to
 * ConnectionEventListeners.
 * 
 * @author Mark Matthews
 * 
 * @version $Id: PreparedStatementWrapper.java,v 1.1.2.1 2005/05/13 18:58:38
 *          mmatthews Exp $
 */
00067 public class PreparedStatementWrapper extends StatementWrapper implements
            PreparedStatement {
      private static final Constructor JDBC_4_PREPARED_STATEMENT_WRAPPER_CTOR;
      
      static {
            if (Util.isJdbc4()) {
                  try {
                        JDBC_4_PREPARED_STATEMENT_WRAPPER_CTOR = Class.forName(
                                    "com.mysql.jdbc.jdbc2.optional.JDBC4PreparedStatementWrapper").getConstructor(
                                    new Class[] { ConnectionWrapper.class, 
                                                MysqlPooledConnection.class, 
                                                PreparedStatement.class });
                  } catch (SecurityException e) {
                        throw new RuntimeException(e);
                  } catch (NoSuchMethodException e) {
                        throw new RuntimeException(e);
                  } catch (ClassNotFoundException e) {
                        throw new RuntimeException(e);
                  }
            } else {
                  JDBC_4_PREPARED_STATEMENT_WRAPPER_CTOR = null;
            }
      }
      
      protected static PreparedStatementWrapper getInstance(ConnectionWrapper c, 
                  MysqlPooledConnection conn,
                  PreparedStatement toWrap) throws SQLException {
            if (!Util.isJdbc4()) {
                  return new PreparedStatementWrapper(c, 
                              conn, toWrap);
            }

            return (PreparedStatementWrapper) Util.handleNewInstance(
                        JDBC_4_PREPARED_STATEMENT_WRAPPER_CTOR,
                        new Object[] {c, 
                                    conn, toWrap });
      }
      
      PreparedStatementWrapper(ConnectionWrapper c, MysqlPooledConnection conn,
                  PreparedStatement toWrap) {
            super(c, conn, toWrap);
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setArray(int, java.sql.Array)
       */
00115       public void setArray(int parameterIndex, Array x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setArray(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setAsciiStream(int, java.io.InputStream,
       *      int)
       */
00136       public void setAsciiStream(int parameterIndex, InputStream x, int length)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setAsciiStream(
                                    parameterIndex, x, length);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBigDecimal(int, java.math.BigDecimal)
       */
00157       public void setBigDecimal(int parameterIndex, BigDecimal x)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setBigDecimal(
                                    parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBinaryStream(int, java.io.InputStream,
       *      int)
       */
00179       public void setBinaryStream(int parameterIndex, InputStream x, int length)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setBinaryStream(
                                    parameterIndex, x, length);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBlob(int, java.sql.Blob)
       */
      public void setBlob(int parameterIndex, Blob x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setBlob(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBoolean(int, boolean)
       */
00220       public void setBoolean(int parameterIndex, boolean x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setBoolean(
                                    parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setByte(int, byte)
       */
00240       public void setByte(int parameterIndex, byte x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setByte(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBytes(int, byte[])
       */
00260       public void setBytes(int parameterIndex, byte[] x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setBytes(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setCharacterStream(int, java.io.Reader,
       *      int)
       */
      public void setCharacterStream(int parameterIndex, Reader reader, int length)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setCharacterStream(
                                    parameterIndex, reader, length);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setClob(int, java.sql.Clob)
       */
      public void setClob(int parameterIndex, Clob x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setClob(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setDate(int, java.sql.Date)
       */
      public void setDate(int parameterIndex, Date x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setDate(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setDate(int, java.sql.Date,
       *      java.util.Calendar)
       */
      public void setDate(int parameterIndex, Date x, Calendar cal)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setDate(parameterIndex,
                                    x, cal);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setDouble(int, double)
       */
00364       public void setDouble(int parameterIndex, double x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setDouble(
                                    parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setFloat(int, float)
       */
00384       public void setFloat(int parameterIndex, float x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setFloat(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setInt(int, int)
       */
00404       public void setInt(int parameterIndex, int x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt)
                                    .setInt(parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setLong(int, long)
       */
00424       public void setLong(int parameterIndex, long x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setLong(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#getMetaData()
       */
00444       public ResultSetMetaData getMetaData() throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        return ((PreparedStatement) this.wrappedStmt).getMetaData();
                  }

                  throw SQLError.createSQLException(
                              "No operations allowed after statement closed",
                              SQLError.SQL_STATE_GENERAL_ERROR);
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }

            return null;
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setNull(int, int)
       */
00465       public void setNull(int parameterIndex, int sqlType) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setNull(parameterIndex,
                                    sqlType);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setNull(int, int, java.lang.String)
       */
00485       public void setNull(int parameterIndex, int sqlType, String typeName)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setNull(parameterIndex,
                                    sqlType, typeName);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setObject(int, java.lang.Object)
       */
00506       public void setObject(int parameterIndex, Object x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setObject(
                                    parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setObject(int, java.lang.Object, int)
       */
00526       public void setObject(int parameterIndex, Object x, int targetSqlType)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setObject(
                                    parameterIndex, x, targetSqlType);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setObject(int, java.lang.Object, int,
       *      int)
       */
00548       public void setObject(int parameterIndex, Object x, int targetSqlType,
                  int scale) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setObject(
                                    parameterIndex, x, targetSqlType, scale);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#getParameterMetaData()
       */
00569       public ParameterMetaData getParameterMetaData() throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        return ((PreparedStatement) this.wrappedStmt)
                                    .getParameterMetaData();
                  }

                  throw SQLError.createSQLException(
                              "No operations allowed after statement closed",
                              SQLError.SQL_STATE_GENERAL_ERROR);
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }

            return null;
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setRef(int, java.sql.Ref)
       */
00591       public void setRef(int parameterIndex, Ref x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt)
                                    .setRef(parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setShort(int, short)
       */
00611       public void setShort(int parameterIndex, short x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setShort(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setString(int, java.lang.String)
       */
00631       public void setString(int parameterIndex, String x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setString(
                                    parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setTime(int, java.sql.Time)
       */
00651       public void setTime(int parameterIndex, Time x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setTime(parameterIndex,
                                    x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setTime(int, java.sql.Time,
       *      java.util.Calendar)
       */
      public void setTime(int parameterIndex, Time x, Calendar cal)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setTime(parameterIndex,
                                    x, cal);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setTimestamp(int, java.sql.Timestamp)
       */
00693       public void setTimestamp(int parameterIndex, Timestamp x)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setTimestamp(
                                    parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setTimestamp(int, java.sql.Timestamp,
       *      java.util.Calendar)
       */
      public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setTimestamp(
                                    parameterIndex, x, cal);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setURL(int, java.net.URL)
       */
00736       public void setURL(int parameterIndex, URL x) throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt)
                                    .setURL(parameterIndex, x);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /**
       * DOCUMENT ME!
       * 
       * @param parameterIndex
       *            DOCUMENT ME!
       * @param x
       *            DOCUMENT ME!
       * @param length
       *            DOCUMENT ME!
       * 
       * @throws SQLException
       *             DOCUMENT ME!
       * 
       * @see java.sql.PreparedStatement#setUnicodeStream(int,
       *      java.io.InputStream, int)
       * @deprecated
       */
00768       public void setUnicodeStream(int parameterIndex, InputStream x, int length)
                  throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).setUnicodeStream(
                                    parameterIndex, x, length);
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#addBatch()
       */
00789       public void addBatch() throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).addBatch();
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#clearParameters()
       */
00808       public void clearParameters() throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ((PreparedStatement) this.wrappedStmt).clearParameters();
                  } else {
                        throw SQLError.createSQLException(
                                    "No operations allowed after statement closed",
                                    SQLError.SQL_STATE_GENERAL_ERROR);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#execute()
       */
00827       public boolean execute() throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        return ((PreparedStatement) this.wrappedStmt).execute();
                  }

                  throw SQLError.createSQLException(
                              "No operations allowed after statement closed",
                              SQLError.SQL_STATE_GENERAL_ERROR);
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }

            return false; // we actually never get here, but the compiler can't
            // figure

            // that out
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#executeQuery()
       */
00851       public ResultSet executeQuery() throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        ResultSet rs = ((PreparedStatement) this.wrappedStmt)
                                    .executeQuery();

                        ((com.mysql.jdbc.ResultSetInternalMethods) rs).setWrapperStatement(this);

                        return rs;
                  }

                  throw SQLError.createSQLException(
                              "No operations allowed after statement closed",
                              SQLError.SQL_STATE_GENERAL_ERROR);
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }

            return null; // we actually never get here, but the compiler can't
            // figure

            // that out
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#executeUpdate()
       */
00880       public int executeUpdate() throws SQLException {
            try {
                  if (this.wrappedStmt != null) {
                        return ((PreparedStatement) this.wrappedStmt).executeUpdate();
                  }

                  throw SQLError.createSQLException(
                              "No operations allowed after statement closed",
                              SQLError.SQL_STATE_GENERAL_ERROR);
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }

            return -1; // we actually never get here, but the compiler can't figure

            // that out
      }
//
//    public void setAsciiStream(int parameterIndex, InputStream x)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setAsciiStream(
//                                  parameterIndex, x);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setAsciiStream(int parameterIndex, InputStream x, long length)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setAsciiStream(
//                                  parameterIndex, x, length);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setBinaryStream(int parameterIndex, InputStream x)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setBinaryStream(
//                                  parameterIndex, x);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setBinaryStream(int parameterIndex, InputStream x, long length)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setBinaryStream(
//                                  parameterIndex, x, length);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setBlob(int parameterIndex, InputStream inputStream)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setBlob(parameterIndex,
//                                  inputStream);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setBlob(int parameterIndex, InputStream inputStream, long length)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setBlob(parameterIndex,
//                                  inputStream, length);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setCharacterStream(int parameterIndex, Reader reader)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setCharacterStream(
//                                  parameterIndex, reader);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setCharacterStream(int parameterIndex, Reader reader,
//                long length) throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setCharacterStream(
//                                  parameterIndex, reader, length);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setClob(int parameterIndex, Reader reader) throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setClob(parameterIndex,
//                                  reader);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setClob(int parameterIndex, Reader reader, long length)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setClob(parameterIndex,
//                                  reader, length);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setNCharacterStream(int parameterIndex, Reader value)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setNCharacterStream(
//                                  parameterIndex, value);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setNCharacterStream(int parameterIndex, Reader value,
//                long length) throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setNCharacterStream(
//                                  parameterIndex, value, length);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setNClob(int parameterIndex, NClob value) throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setNClob(parameterIndex,
//                                  value);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setNClob(int parameterIndex, Reader reader) throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setNClob(parameterIndex,
//                                  reader);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setNClob(int parameterIndex, Reader reader, long length)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setNClob(parameterIndex,
//                                  reader, length);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setNString(int parameterIndex, String value)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setNString(
//                                  parameterIndex, value);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setRowId(int parameterIndex, RowId x) throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setRowId(parameterIndex,
//                                  x);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public void setSQLXML(int parameterIndex, SQLXML xmlObject)
//                throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setSQLXML(
//                                  parameterIndex, xmlObject);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public boolean isClosed() throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      return ((PreparedStatement) this.wrappedStmt).isClosed();
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//
//          return true;
//    }
//
//    public boolean isPoolable() throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      return ((PreparedStatement) this.wrappedStmt).isPoolable();
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//
//          return false;
//    }
//
//    public void setPoolable(boolean poolable) throws SQLException {
//          try {
//                if (this.wrappedStmt != null) {
//                      ((PreparedStatement) this.wrappedStmt).setPoolable(poolable);
//                } else {
//                      throw SQLError.createSQLException(
//                                  "No operations allowed after statement closed",
//                                  SQLError.SQL_STATE_GENERAL_ERROR);
//                }
//          } catch (SQLException sqlEx) {
//                checkAndFireConnectionError(sqlEx);
//          }
//    }
//
//    public boolean isWrapperFor(Class arg0) throws SQLException {
//          throw new NotYetImplementedException();
//    }
//
//    public Object unwrap(Class arg0) throws SQLException {
//          throw new NotYetImplementedException();
//    }
}

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