Coverage Report - org.mule.transport.jdbc.sqlstrategy.SimpleUpdateSqlStatementStrategy
 
Classes in this File Line Coverage Branch Coverage Complexity
SimpleUpdateSqlStatementStrategy
0%
0/27
0%
0/8
4
 
 1  
 /*
 2  
  * $Id: SimpleUpdateSqlStatementStrategy.java 20319 2010-11-24 14:53:41Z dfeist $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.transport.jdbc.sqlstrategy;
 12  
 
 13  
 import org.mule.DefaultMuleMessage;
 14  
 import org.mule.api.MuleEvent;
 15  
 import org.mule.api.MuleMessage;
 16  
 import org.mule.api.endpoint.ImmutableEndpoint;
 17  
 import org.mule.api.transaction.Transaction;
 18  
 import org.mule.transaction.TransactionCoordination;
 19  
 import org.mule.transport.jdbc.JdbcConnector;
 20  
 import org.mule.transport.jdbc.JdbcUtils;
 21  
 import org.mule.util.ArrayUtils;
 22  
 
 23  
 import java.sql.Connection;
 24  
 import java.util.ArrayList;
 25  
 import java.util.List;
 26  
 
 27  
 import org.apache.log4j.Logger;
 28  
 /**
 29  
  * Implements strategy for handling individual insert, update, and delete statements
 30  
  *
 31  
  */
 32  0
 public  class SimpleUpdateSqlStatementStrategy implements SqlStatementStrategy
 33  
 {
 34  0
     protected transient Logger logger = Logger.getLogger(getClass());
 35  
     
 36  
     public MuleMessage executeStatement(JdbcConnector connector,
 37  
             ImmutableEndpoint endpoint, MuleEvent event,long timeout) throws Exception
 38  
     {
 39  
         //Unparsed SQL statement (with #[foo] format parameters)
 40  0
         String statement = connector.getStatement(endpoint);
 41  
 
 42  
         //Storage for parameters
 43  0
         List paramNames = new ArrayList();
 44  
         
 45  
         //Parsed SQL statement (with ? placeholders instead of #[foo] params)
 46  0
         String sql = connector.parseStatement(statement, paramNames);
 47  
         
 48  
         //Optionally escape or further manipulate SQL statement.  Used in subclasses.
 49  0
         sql = escapeStatement(sql);
 50  
         
 51  
         //Get parameter values from message
 52  0
         MuleMessage message = event.getMessage();
 53  0
         Object[] paramValues = connector.getParams(endpoint, paramNames, new DefaultMuleMessage(
 54  
             event.getMessage().getPayload(), message, event.getMuleContext()), endpoint.getEndpointURI().getAddress());
 55  
 
 56  0
         Transaction tx = TransactionCoordination.getInstance().getTransaction();
 57  0
         Connection con = null;
 58  
             
 59  
         try
 60  
         {
 61  0
             con = connector.getConnection();
 62  
             
 63  
             
 64  0
             if (logger.isDebugEnabled())
 65  
             {
 66  0
                 logger.debug("SQL UPDATE: " + sql + ", params = " + ArrayUtils.toString(paramValues));
 67  
             }
 68  
             
 69  0
             int nbRows = connector.getQueryRunnerFor(endpoint).update(con, sql, paramValues);
 70  0
             if (logger.isInfoEnabled())
 71  
             {
 72  0
                 logger.info("Executing SQL statement: " + nbRows + " row(s) updated");
 73  
             }
 74  
             
 75  
             // TODO Why should it always be 1?  Can't we update more than one row at a time with
 76  
             // an update statement?  Or no rows depending on the contents of the table and/or 
 77  
             // parameters?
 78  
             //if (nbRows != 1)
 79  
             //{
 80  
             //    logger.warn("Row count for write should be 1 and not " + nbRows);
 81  
             //}
 82  0
             if (tx == null)
 83  
             {
 84  0
                 JdbcUtils.commitAndClose(con);
 85  
             }
 86  0
             logger.debug("MuleEvent dispatched succesfuly");
 87  
         }
 88  0
         catch (Exception e)
 89  
         {
 90  0
             logger.debug("Error dispatching event: " + e.getMessage(), e);
 91  0
             if (tx == null)
 92  
             {
 93  0
                 JdbcUtils.rollbackAndClose(con);
 94  
             }
 95  0
             throw e;
 96  0
         }
 97  
         
 98  0
         return event.getMessage();
 99  
     }
 100  
     
 101  
     protected String escapeStatement(String statement)
 102  
     {
 103  
         //no escaping needed for normal SQL statement
 104  0
         return statement;
 105  
     }
 106  
 }