engine.xml

<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
  xmlns:tx="http://www.springframework.org/schema/tx"
  xsi:schemaLocation="
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd                         
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
        ">

  <!-- bind the process engine service as Spring Bean -->
  <bean name="processEngineService" class="org.camunda.bpm.BpmPlatform"
    factory-method="getProcessEngineService" />

  <!-- bind the default process engine as Spring Bean -->
  <bean name="defaultProcessEngine" factory-bean="processEngineService"
    factory-method="getDefaultProcessEngine" />

  <bean id="repositoryService" factory-bean="defaultProcessEngine"
    factory-method="getRepositoryService" />
  <bean id="runtimeService" factory-bean="defaultProcessEngine"
    factory-method="getRuntimeService" />
  <bean id="taskService" factory-bean="defaultProcessEngine"
    factory-method="getTaskService" />
  <bean id="historyService" factory-bean="defaultProcessEngine"
    factory-method="getHistoryService" />
  <bean id="managementService" factory-bean="defaultProcessEngine"
    factory-method="getManagementService" />

</beans>