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PreparedStatementWrapper.java

/*
 Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
 

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  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; version 2
  of the License.

  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., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA



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

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.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;

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

/**
 * 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 $
 */
00059 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 }, conn.getExceptionInterceptor());
      }
      
      PreparedStatementWrapper(ConnectionWrapper c, MysqlPooledConnection conn,
                  PreparedStatement toWrap) {
            super(c, conn, toWrap);
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setArray(int, java.sql.Array)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setAsciiStream(int, java.io.InputStream,
       *      int)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBigDecimal(int, java.math.BigDecimal)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBinaryStream(int, java.io.InputStream,
       *      int)
       */
      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, this.exceptionInterceptor);
                  }
            } 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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBoolean(int, boolean)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setByte(int, byte)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setBytes(int, byte[])
       */
      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, this.exceptionInterceptor);
                  }
            } 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, this.exceptionInterceptor);
                  }
            } 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, this.exceptionInterceptor);
                  }
            } 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, this.exceptionInterceptor);
                  }
            } 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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setDouble(int, double)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setFloat(int, float)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setInt(int, int)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setLong(int, long)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#getMetaData()
       */
      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, this.exceptionInterceptor);
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }

            return null;
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setNull(int, int)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setNull(int, int, java.lang.String)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setObject(int, java.lang.Object)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setObject(int, java.lang.Object, int)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setObject(int, java.lang.Object, int,
       *      int)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#getParameterMetaData()
       */
      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, this.exceptionInterceptor);
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }

            return null;
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setRef(int, java.sql.Ref)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setShort(int, short)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setString(int, java.lang.String)
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setTime(int, java.sql.Time)
       */
      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, this.exceptionInterceptor);
                  }
            } 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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setTimestamp(int, java.sql.Timestamp)
       */
      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, this.exceptionInterceptor);
                  }
            } 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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#setURL(int, java.net.URL)
       */
      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, this.exceptionInterceptor);
                  }
            } 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
       */
00760       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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#addBatch()
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#clearParameters()
       */
      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, this.exceptionInterceptor);
                  }
            } catch (SQLException sqlEx) {
                  checkAndFireConnectionError(sqlEx);
            }
      }

      /*
       * (non-Javadoc)
       * 
       * @see java.sql.PreparedStatement#execute()
       */
      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, this.exceptionInterceptor);
            } 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()
       */
      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, this.exceptionInterceptor);
            } 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()
       */
      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, this.exceptionInterceptor);
            } 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 SQLError.notImplemented();
//    }
//
//    public Object unwrap(Class arg0) throws SQLException {
//          throw SQLError.notImplemented();
//    }
}

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