1
2
3
4
5
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
26
27
28 public class SimpleUpdateSqlStatementStrategy implements SqlStatementStrategy
29 {
30 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
36 String statement = connector.getStatement(endpoint);
37
38
39 List paramNames = new ArrayList();
40
41
42 String sql = connector.parseStatement(statement, paramNames);
43
44
45 sql = escapeStatement(sql);
46
47
48 MuleMessage message = event.getMessage();
49 Object[] paramValues = connector.getParams(endpoint, paramNames, new DefaultMuleMessage(
50 event.getMessage().getPayload(), message, event.getMuleContext()), endpoint.getEndpointURI().getAddress());
51
52 Transaction tx = TransactionCoordination.getInstance().getTransaction();
53 Connection con = null;
54
55 try
56 {
57 con = connector.getConnection();
58
59
60 if (logger.isDebugEnabled())
61 {
62 logger.debug("SQL UPDATE: " + sql + ", params = " + ArrayUtils.toString(paramValues));
63 }
64
65 int nbRows = connector.getQueryRunnerFor(endpoint).update(con, sql, paramValues);
66 if (logger.isInfoEnabled())
67 {
68 logger.info("Executing SQL statement: " + nbRows + " row(s) updated");
69 }
70
71
72
73
74
75
76
77
78 if (tx == null)
79 {
80 JdbcUtils.commitAndClose(con);
81 }
82 logger.debug("MuleEvent dispatched succesfuly");
83 }
84 catch (Exception e)
85 {
86 logger.debug("Error dispatching event: " + e.getMessage(), e);
87 if (tx == null)
88 {
89 JdbcUtils.rollbackAndClose(con);
90 }
91 throw e;
92 }
93
94 return event.getMessage();
95 }
96
97 protected String escapeStatement(String statement)
98 {
99
100 return statement;
101 }
102 }