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