Sample spring activiti configuration

activiti-extensions-serviceTask.xml

<!-- invoker spring bean with process variables -->
<serviceTask id="updateCustomerBalance" 
  activiti:expression="#{customerService.updateBalance(customerId, balance)}"/>
<!-- invoke java class implementing JavaDelegate interface -->
<serviceTask id="calculateBalance" 
  activiti:class="pl.touk.process.BalanceCalculator"/>

activiti-spring.xml

<bean id="processEngineConfiguration" 
  class="org.activiti.spring.SpringProcessEngineConfiguration">
  <property name="databaseType" value="h2"/>
  <property name="dataSource" ref="dataSource"/>
  <property name="transactionManager" ref="transactionManager"/>

  <property name="jobExecutorActivate" value="false"/>
  <property name="deploymentResources" value="classpath*:/process/*.bpmn20.xml"/>
</bean>

<bean id="processEngine" class="org.activiti.spring.ProcessEngineFactoryBean">
  <property name="processEngineConfiguration" ref="processEngineConfiguration"/>
</bean>

bpmn20.xml

<process id="nonInterruptingOnConcurrentTasks">
  <startEvent id="theStart" />
  <sequenceFlow id="flow1" sourceRef="theStart" targetRef="fork" />
  <parallelGateway id="fork" />

di-example.xml

<bpmndi:BPMNPlane bpmnElement="startTimerEventExample" 
  id="startTimerEventExample_di">
  <bpmndi:BPMNShape bpmnElement="theStart" id="theStart_di">
    <omgdc:Bounds height="30.0" width="30.0" x="114.0" y="185.0"/>
  </bpmndi:BPMNShape>

processDefinition.json

{
  "id": "217",
  "processDefinitionId": "financialReport:1:1700",
  "activityNames": ["writeReportTask"],
  "ended": true
}

tasks.xml

<userTask id="theTask" name="my task" activiti:formKey="/tasks/task1.form"
      activiti:candidateGroups="manag