2回答

• 

  Henizyang

  2017-03-02 22:12:51

  package org.apache.ibatis.executor.statement;

  
  

  import java.sql.*;

  import java.util.List;

  import org.apache.ibatis.cursor.Cursor;

  import org.apache.ibatis.executor.Executor;

  import org.apache.ibatis.executor.ExecutorException;

  import org.apache.ibatis.executor.parameter.ParameterHandler;

  import org.apache.ibatis.mapping.*;

  import org.apache.ibatis.session.ResultHandler;

  import org.apache.ibatis.session.RowBounds;

  
  

  // Referenced classes of package org.apache.ibatis.executor.statement:

  //            StatementHandler, SimpleStatementHandler, PreparedStatementHandler, CallableStatementHandler

  
  

  public class RoutingStatementHandler

      implements StatementHandler

  {

  
  

      public RoutingStatementHandler(Executor executor, MappedStatement ms, Object parameter, RowBounds rowBounds, ResultHandler resultHandler, BoundSql boundSql)

      {

          static class _cls1

          {

  
  

              static final int $SwitchMap$org$apache$ibatis$mapping$StatementType[];

  
  

              static 

              {

                  $SwitchMap$org$apache$ibatis$mapping$StatementType = new int[StatementType.values().length];

                  try

                  {

                      $SwitchMap$org$apache$ibatis$mapping$StatementType[StatementType.STATEMENT.ordinal()] = 1;

                  }

                  catch(NoSuchFieldError nosuchfielderror) { }

                  try

                  {

                      $SwitchMap$org$apache$ibatis$mapping$StatementType[StatementType.PREPARED.ordinal()] = 2;

                  }

                  catch(NoSuchFieldError nosuchfielderror1) { }

                  try

                  {

                      $SwitchMap$org$apache$ibatis$mapping$StatementType[StatementType.CALLABLE.ordinal()] = 3;

                  }

                  catch(NoSuchFieldError nosuchfielderror2) { }

              }

          }

  
  

          switch(_cls1..SwitchMap.org.apache.ibatis.mapping.StatementType[ms.getStatementType().ordinal()])

          {

          case 1: // '\001'

              _flddelegate = new SimpleStatementHandler(executor, ms, parameter, rowBounds, resultHandler, boundSql);

              break;

  
  

          case 2: // '\002'

              _flddelegate = new PreparedStatementHandler(executor, ms, parameter, rowBounds, resultHandler, boundSql);

              break;

  
  

          case 3: // '\003'

              _flddelegate = new CallableStatementHandler(executor, ms, parameter, rowBounds, resultHandler, boundSql);

              break;

  
  

          default:

              throw new ExecutorException((new StringBuilder()).append("Unknown statement type: ").append(ms.getStatementType()).toString());

          }

      }

  
  

      public Statement prepare(Connection connection, Integer transactionTimeout)

          throws SQLException

      {

          return _flddelegate.prepare(connection, transactionTimeout);

      }

  
  

      public void parameterize(Statement statement)

          throws SQLException

      {

          _flddelegate.parameterize(statement);

      }

  
  

      public void batch(Statement statement)

          throws SQLException

      {

          _flddelegate.batch(statement);

      }

  
  

      public int update(Statement statement)

          throws SQLException

      {

          return _flddelegate.update(statement);

      }

  
  

      public List query(Statement statement, ResultHandler resultHandler)

          throws SQLException

      {

          return _flddelegate.query(statement, resultHandler);

      }

  
  

      public Cursor queryCursor(Statement statement)

          throws SQLException

      {

          return _flddelegate.queryCursor(statement);

      }

  
  

      public BoundSql getBoundSql()

      {

          return _flddelegate.getBoundSql();

      }

  
  

      public ParameterHandler getParameterHandler()

      {

          return _flddelegate.getParameterHandler();

      }

  
  

      private final StatementHandler _flddelegate;

  }

  而且名字在最后了

  0 0
• 

  youmendongsun

  2017-03-01 18:58:58

  我练习时使用的是3.4.1，该版本中还是delegate，不知道你说的新版是哪个版本？

  public class RoutingStatementHandler implements StatementHandler {

    private final StatementHandler delegate;

  
  

  1 0

  Henizy...

  我用的3.4.2 但的确他改名了啊= =

  2017-03-02 21:58:26

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