content: // Copyright (C) 2017 Red Hat, Inc. and individual contributors as indicated by the @author tags.
  // You may not use this file except in compliance with the Apache License, Version 2.0.
  
  package io.agroal.pool.wrapper;
  
  import io.agroal.pool.util.AutoCloseableElement;
  
  import java.io.InputStream;
  import java.io.Reader;
  import java.lang.reflect.InvocationHandler;
  import java.lang.reflect.Method;
  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.RowId;
  import java.sql.SQLException;
  import java.sql.SQLType;
  import java.sql.SQLXML;
  import java.sql.Time;
  import java.sql.Timestamp;
  import java.util.Calendar;
  
  import static java.lang.reflect.Proxy.newProxyInstance;
  
  /**
   * @author <a href="lbarreiro@redhat.com">Luis Barreiro</a>
   * @author <a href="jesper.pedersen@redhat.com">Jesper Pedersen</a>
   */
  public final class PreparedStatementWrapper extends StatementWrapper implements PreparedStatement {
  
      static final String CLOSED_PREPARED_STATEMENT_STRING = PreparedStatementWrapper.class.getSimpleName() + ".CLOSED_STATEMENT";
  
      private static final InvocationHandler CLOSED_HANDLER = new InvocationHandler() {
          @Override
          public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
              switch ( method.getName() ) {
                  case "close":
                      return Void.TYPE;
                  case "isClosed":
                      return Boolean.TRUE;
                  case "toString":
                      return CLOSED_PREPARED_STATEMENT_STRING;
                  default:
                      throw new SQLException( "PreparedStatement is closed" );
              }
          }
      };
  
      private static final PreparedStatement CLOSED_STATEMENT = (PreparedStatement) newProxyInstance( PreparedStatement.class.getClassLoader(), new Class[]{PreparedStatement.class}, CLOSED_HANDLER );
  
      // --- //
  
      private PreparedStatement wrappedStatement;
  
      public PreparedStatementWrapper(ConnectionWrapper connectionWrapper, PreparedStatement statement, boolean trackJdbcResources, AutoCloseableElement head) {
          super( connectionWrapper, statement, trackJdbcResources, head );
          wrappedStatement = statement;
      }
  
      @Override
      public void close() throws SQLException {
          wrappedStatement = CLOSED_STATEMENT;
          super.close();
      }
  
      // --- //
  
      @Override
      public ResultSet executeQuery() throws SQLException {
          try {
              return trackResultSet( wrappedStatement.executeQuery() );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public int executeUpdate() throws SQLException {
          try {
              return wrappedStatement.executeUpdate();
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setNull(int parameterIndex, int sqlType) throws SQLException {
          try {
              wrappedStatement.setNull( parameterIndex, sqlType );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBoolean(int parameterIndex, boolean x) throws SQLException {
          try {
              wrappedStatement.setBoolean( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setByte(int parameterIndex, byte x) throws SQLException {
          try {
              wrappedStatement.setByte( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setShort(int parameterIndex, short x) throws SQLException {
          try {
              wrappedStatement.setShort( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setInt(int parameterIndex, int x) throws SQLException {
          try {
              wrappedStatement.setInt( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setLong(int parameterIndex, long x) throws SQLException {
          try {
              wrappedStatement.setLong( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setFloat(int parameterIndex, float x) throws SQLException {
          try {
              wrappedStatement.setFloat( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setDouble(int parameterIndex, double x) throws SQLException {
          try {
              wrappedStatement.setDouble( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
          try {
              wrappedStatement.setBigDecimal( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setString(int parameterIndex, String x) throws SQLException {
          try {
              wrappedStatement.setString( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBytes(int parameterIndex, byte[] x) throws SQLException {
          try {
              wrappedStatement.setBytes( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setDate(int parameterIndex, Date x) throws SQLException {
          try {
              wrappedStatement.setDate( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setTime(int parameterIndex, Time x) throws SQLException {
          try {
              wrappedStatement.setTime( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException {
          try {
              wrappedStatement.setTimestamp( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException {
          try {
              wrappedStatement.setAsciiStream( parameterIndex, x, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      @SuppressWarnings( "deprecation" )
      public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException {
          try {
              wrappedStatement.setUnicodeStream( parameterIndex, x, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException {
          try {
              wrappedStatement.setBinaryStream( parameterIndex, x, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void clearParameters() throws SQLException {
          try {
              wrappedStatement.clearParameters();
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException {
          try {
              wrappedStatement.setObject( parameterIndex, x, targetSqlType );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setObject(int parameterIndex, Object x) throws SQLException {
          try {
              wrappedStatement.setObject( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public boolean execute() throws SQLException {
          try {
              return wrappedStatement.execute();
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void addBatch() throws SQLException {
          try {
              wrappedStatement.addBatch();
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setCharacterStream(int parameterIndex, Reader reader, int length) throws SQLException {
          try {
              wrappedStatement.setCharacterStream( parameterIndex, reader, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setRef(int parameterIndex, Ref x) throws SQLException {
          try {
              wrappedStatement.setRef( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBlob(int parameterIndex, Blob x) throws SQLException {
          try {
              wrappedStatement.setBlob( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setClob(int parameterIndex, Clob x) throws SQLException {
          try {
              wrappedStatement.setClob( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setArray(int parameterIndex, Array x) throws SQLException {
          try {
              wrappedStatement.setArray( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public ResultSetMetaData getMetaData() throws SQLException {
          try {
              return wrappedStatement.getMetaData();
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
          try {
              wrappedStatement.setDate( parameterIndex, x, cal );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
          try {
              wrappedStatement.setTime( parameterIndex, x, cal );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
          try {
              wrappedStatement.setTimestamp( parameterIndex, x, cal );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setNull(int parameterIndex, int sqlType, String typeName) throws SQLException {
          try {
              wrappedStatement.setNull( parameterIndex, sqlType, typeName );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setURL(int parameterIndex, URL x) throws SQLException {
          try {
              wrappedStatement.setURL( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public ParameterMetaData getParameterMetaData() throws SQLException {
          try {
              return wrappedStatement.getParameterMetaData();
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setRowId(int parameterIndex, RowId x) throws SQLException {
          try {
              wrappedStatement.setRowId( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setNString(int parameterIndex, String value) throws SQLException {
          try {
              wrappedStatement.setNString( parameterIndex, value );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException {
          try {
              wrappedStatement.setNCharacterStream( parameterIndex, value, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setNClob(int parameterIndex, NClob value) throws SQLException {
          try {
              wrappedStatement.setNClob( parameterIndex, value );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setClob(int parameterIndex, Reader reader, long length) throws SQLException {
          try {
              wrappedStatement.setClob( parameterIndex, reader, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBlob(int parameterIndex, InputStream inputStream, long length) throws SQLException {
          try {
              wrappedStatement.setBlob( parameterIndex, inputStream, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
          try {
              wrappedStatement.setNClob( parameterIndex, reader, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException {
          try {
              wrappedStatement.setSQLXML( parameterIndex, xmlObject );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength) throws SQLException {
          try {
              wrappedStatement.setObject( parameterIndex, x, targetSqlType, scaleOrLength );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
          try {
              wrappedStatement.setAsciiStream( parameterIndex, x, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
          try {
              wrappedStatement.setBinaryStream( parameterIndex, x, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setCharacterStream(int parameterIndex, Reader reader, long length) throws SQLException {
          try {
              wrappedStatement.setCharacterStream( parameterIndex, reader, length );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
          try {
              wrappedStatement.setAsciiStream( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
          try {
              wrappedStatement.setBinaryStream( parameterIndex, x );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
          try {
              wrappedStatement.setCharacterStream( parameterIndex, reader );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
          try {
              wrappedStatement.setNCharacterStream( parameterIndex, value );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setClob(int parameterIndex, Reader reader) throws SQLException {
          try {
              wrappedStatement.setClob( parameterIndex, reader );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
          try {
              wrappedStatement.setBlob( parameterIndex, inputStream );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setNClob(int parameterIndex, Reader reader) throws SQLException {
          try {
              wrappedStatement.setNClob( parameterIndex, reader );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      // --- JDBC 4.2 //
  
      @Override
      public void setObject(int parameterIndex, Object x, SQLType targetSqlType, int scaleOrLength) throws SQLException {
          try {
              wrappedStatement.setObject( parameterIndex, x, targetSqlType, scaleOrLength );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public void setObject(int parameterIndex, Object x, SQLType targetSqlType) throws SQLException {
          try {
              wrappedStatement.setObject( parameterIndex, x, targetSqlType );
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  
      @Override
      public long executeLargeUpdate() throws SQLException {
          try {
              return wrappedStatement.executeLargeUpdate();
          } catch ( SQLException se ) {
              connection.getHandler().setFlushOnly( se );
              throw se;
          }
      }
  }
  