| <?xml version="1.0" encoding="ISO-8859-1" ?> |
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| |
| <document> |
| <properties> |
| <title>Apache Synapse - Sample 652</title> |
| </properties> |
| <body> |
| <section name="Sample 652: Distributed transaction management"> |
| <div class="xmlConf"><definitions xmlns="http://ws.apache.org/ns/synapse"> |
| |
| <sequence name="myFaultHandler"> |
| <log level="custom"> |
| <property name="text" value="** Rollback Transaction**"/> |
| </log> |
| <transaction action="rollback"/> |
| <send/> |
| </sequence> |
| |
| <sequence name="main" onError="myFaultHandler"> |
| <in> |
| <send> |
| <endpoint> |
| <address uri="http://localhost:9000/services/SimpleStockQuoteService"/> |
| </endpoint> |
| </send> |
| </in> |
| |
| <out> |
| <transaction action="new"/> |
| |
| <log level="custom"> |
| <property name="text" value="** Reporting to the Database esbdb**"/> |
| </log> |
| <dbreport useTransaction="true" xmlns="http://ws.apache.org/ns/synapse"> |
| <connection> |
| <pool> |
| <dsName>java:jdbc/XADerbyDS</dsName> |
| <icClass>org.jnp.interfaces.NamingContextFactory</icClass> |
| <url>localhost:1099</url> |
| <user>synapse</user> |
| <password>synapse</password> |
| </pool> |
| </connection> |
| <statement> |
| <sql>delete from company where name =?</sql> |
| <parameter expression="//m0:return/m1:symbol/child::text()" |
| xmlns:m0="http://services.samples" xmlns:m1="http://services.samples/xsd" |
| type="VARCHAR"/> |
| </statement> |
| </dbreport> |
| |
| <log level="custom"> |
| <property name="text" value="** Reporting to the Database esbdb1**"/> |
| </log> |
| <dbreport useTransaction="true" xmlns="http://ws.apache.org/ns/synapse"> |
| <connection> |
| <pool> |
| <dsName>java:jdbc/XADerbyDS1</dsName> |
| <icClass>org.jnp.interfaces.NamingContextFactory</icClass> |
| <url>localhost:1099</url> |
| <user>synapse</user> |
| <password>synapse</password> |
| </pool> |
| </connection> |
| <statement> |
| <sql> INSERT into company values ('IBM','c4',12.0)</sql> |
| </statement> |
| </dbreport> |
| <transaction action="commit"/> |
| <send/> |
| </out> |
| </sequence> |
| </definitions></div> |
| <subsection name="Objective"> |
| <p> |
| Demonstrate the use of the transaction mediator in a distributed transaction |
| </p> |
| </subsection> |
| <subsection name="Pre-requisites"> |
| <p> |
| <ul> |
| <li> |
| Deploy the SimpleStockQuoteService in the sample Axis2 server and start Axis2 |
| <p>To run this sample it is required to deploy synpase on JBoss application server(This is only tested with JBoss application sever), you |
| can use the war distribution to deploy synapse on JBoss application server. Use the synpase_sample_652.xml as the synapse confiuration |
| file and start JBoss with that synpase configuration file. Also you need to define two XA datasources for above two datasources. |
| You'll need to refer JBoss documentation to see how to do this.</p> |
| <p> |
| It also required to have two database instances, this will be used by the two XA datasources. |
| Refer the <a href="setup/db.html#derby">Sample Setup Guide </a> to see how you can set up the derby database server. |
| </p> |
| <p> |
| In this sample a record is delete from one database and it is added into the second database. |
| If either of the operations(deleting from the 1st database and adding into the second database) |
| fails everything will be roll backed. The records will be untoched. |
| </p> |
| </li> |
| <li> |
| Start Synapse using the configuration numbered 652 (repository/conf/sample/synapse_sample_652.xml) |
| <div class="command"> |
| Unix/Linux: sh synapse.sh -sample 652<br/> |
| Windows: synapse.bat -sample 652 |
| </div> |
| </li> |
| </ul> |
| </p> |
| </subsection> |
| <subsection name="Executing the Client"> |
| <div class="command">ant stockquote -Daddurl=http://localhost:9000/services/SimpleStockQuoteService -Dtrpurl=http://localhost:8280/</div> |
| |
| <div class="consoleOutput">Sat Nov 18 21:01:23 IST 2006 SimpleStockQuoteService :: Generating quote for : IBM</div> |
| |
| <div class="consoleOutput">Standard :: Stock price = $95.26454380258552</div> |
| </subsection> |
| </section> |
| <p><a href="../samples.html">Back to Catalog</a></p> |
| </body> |
| </document> |
