Examples of org.camunda.bpm.engine.rest.spi.ProcessEngineProvider

org.camunda.bpm.engine.rest.spi.ProcessEngineProvider
A simple provider SPI used to locate a process engine object. @author Daniel Meyer

    ServiceLoader<ProcessEngineProvider> serviceLoader = ServiceLoader
        .load(ProcessEngineProvider.class);
    Iterator<ProcessEngineProvider> iterator = serviceLoader.iterator();


    if (iterator.hasNext()) {
      ProcessEngineProvider provider = iterator.next();
      return provider.getProcessEngine(name);
    } else {
      throw new ProcessEngineException("No provider found");
    }
  }

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  }


  @GET
  @Produces(MediaType.APPLICATION_JSON)
  public List<ProcessEngineDto> getProcessEngineNames() {
    ProcessEngineProvider provider = getProcessEngineProvider();
    Set<String> engineNames = provider.getProcessEngineNames();


    List<ProcessEngineDto> results = new ArrayList<ProcessEngineDto>();
    for (String engineName : engineNames) {
      ProcessEngineDto dto = new ProcessEngineDto();
      dto.setName(engineName);

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  protected ProcessEngineProvider getProcessEngineProvider() {
    ServiceLoader<ProcessEngineProvider> serviceLoader = ServiceLoader.load(ProcessEngineProvider.class);
    Iterator<ProcessEngineProvider> iterator = serviceLoader.iterator();


    if(iterator.hasNext()) {
      ProcessEngineProvider provider = iterator.next();
      return provider;
    } else {
      throw new RestException(Status.INTERNAL_SERVER_ERROR, "No process engine provider found");
    }
  }

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    ServiceLoader<ProcessEngineProvider> serviceLoader = ServiceLoader.load(ProcessEngineProvider.class);
    Iterator<ProcessEngineProvider> iterator = serviceLoader.iterator();


    if(iterator.hasNext()) {
      ProcessEngineProvider provider = iterator.next();
      if (engineName == null) {
        return provider.getDefaultProcessEngine();
      } else {
        return provider.getProcessEngine(engineName);
      }
    } else {
      throw new RestException(Status.INTERNAL_SERVER_ERROR, "Could not find an implementation of the "+ProcessEngineProvider.class+"- SPI");
    }
  }

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Related Classes of org.camunda.bpm.engine.rest.spi.ProcessEngineProvider

org.camunda.bpm.engine.rest.AbstractRestServiceTest

org.camunda.bpm.engine.rest.impl.NamedProcessEngineRestServiceImpl

org.camunda.bpm.engine.rest.util.EngineUtil

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