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Store variables in DB?
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created by <a href="https://community.jboss.org/people/nt2005">nt2005</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/649727#649727">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hey Guys,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The 'problem' I have is a bit difficultly to describe, but I will give my best:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I use jBPM 5.2 in a Web-Application at an JBoss 6 AS with a PostgreSQL (just for info).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I start a process in an Seam bean like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>public</b></font> <font color="navy"><b>void</b></font> startProcess() <font color="navy">{</font>
    
        EntityManagerFactory emf = entityManager.getEntityManagerFactory();
        TransactionManagerService tms = <font color="navy"><b>new</b></font> TransactionManagerService();
               
        Environment env = KnowledgeBaseFactory.newEnvironment();
        env.set(EnvironmentName.ENTITY_MANAGER_FACTORY, emf);
        env.set(EnvironmentName.TRANSACTION_MANAGER, tms.getTransactionManager());
       
        Properties properties = <font color="navy"><b>new</b></font> Properties();
        properties.put(<font color="red">"drools.processInstanceManagerFactory"</font>,<font color="red">"org.jbpm.persistence.processinstance.JPAProcessInstanceManagerFactory"</font>);
        properties.put(<font color="red">"drools.processSignalManagerFactory"</font>,<font color="red">"org.jbpm.persistence.processinstance.JPASignalManagerFactory"</font>);
        KnowledgeSessionConfiguration config = KnowledgeBaseFactory.newKnowledgeSessionConfiguration(properties);
   
        <font color="darkgreen">// load up the knowledge base</font>
        KnowledgeBase kbase = readKnowledgeBase(processid);
       
        StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, config, env);
 
        JPAWorkingMemoryDbLogger logger = <font color="navy"><b>new</b></font> JPAWorkingMemoryDbLogger(ksession);
       
        ksession.getWorkItemManager().registerWorkItemHandler(LoadDataWorkItem.NAME, <font color="navy"><b>new</b></font> LoadDataWorkItem());
        ksession.getWorkItemManager().registerWorkItemHandler(TextOutputWorkItem.NAME, <font color="navy"><b>new</b></font> TextOutputWorkItem());
        ksession.getWorkItemManager().registerWorkItemHandler(ImageOutputWorkItem.NAME, <font color="navy"><b>new</b></font> ImageOutputWorkItem());
       
        String id = <font color="red">"blackdata"</font>;
        Map<String, Object> params = <font color="navy"><b>new</b></font> HashMap<String, Object>();
        params.put(<font color="red">"id"</font>, id);
 
        process = ksession.startProcess(<font color="red">"de.toni.new"</font>, params);
 
        logger.dispose();
    <font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My jBPM-Process only contains my own WorkItems. The process works great and all.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>In my process I have some process variables like:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-xml"><span class="jive-xml-tag"><property id="image" itemSubjectRef="_imageItem"/></span>
<span class="jive-xml-tag"><property id="text" itemSubjectRef="_textItem"/></span>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>That I read and edit in my WorkItems:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java">String text = (String) workItem.getParameter(<font color="red">"text"</font>);
 
Map<String, Object> results = <font color="navy"><b>new</b></font> HashMap<String, Object>();
results.put(<font color="red">"text"</font>, text);
manager.completeWorkItem(workItem.getId(), results);
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The problem is, that these variables are in the process and not in the database. I thought, the persistence and serializable of all would save these in my db.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="text-decoration: underline;">So my question to you:</span></p><p>How can I get these variables out of the process in a db?</p><p>I hope you understand what I mean, if not, just ask. <span> :) </span></p></div>
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<p style="margin: 0;">Reply to this message by <a href="https://community.jboss.org/message/649727#649727">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
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