Package org.apache.hadoop.service

Examples of org.apache.hadoop.service.Service

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        ServiceB.class, Service.class);
    final AuxServices aux = new AuxServices();
    aux.init(conf);
    aux.start();

    Service s = aux.getServices().iterator().next();
    s.stop();
    assertEquals("Auxiliary service stopped, but AuxService unaffected.",
        STOPPED, aux.getServiceState());
    assertTrue(aux.getServices().isEmpty());
  }
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    }
  }

  protected void addIfService(Object object, boolean addDispatcher) {
    if (object instanceof Service) {
      Service service = (Service) object;
      ServiceWithDependency sd = new ServiceWithDependency(service);
      services.put(service, sd);
      if(addDispatcher) {
        addIfServiceDependency(service, dispatcher);
      }
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    }
  }

  protected void addIfServiceDependency(Object object, Object dependency) {
    if (object instanceof Service && dependency instanceof Service) {
      Service service = (Service) object;
      Service dependencyService = (Service) dependency;
      ServiceWithDependency sd = services.get(service);
      sd.dependencies.add(dependencyService);
      dependencyService.registerServiceListener(sd);
    }
  }
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    for (ServiceWithDependency sd : services.values()) {
      serviceList.add(sd.service);
    }
    Exception firstException = null;
    for (int i = services.size() - 1; i >= 0; i--) {
      Service service = serviceList.get(i);
      if (LOG.isDebugEnabled()) {
        LOG.debug("Stopping service : " + service);
      }
      Exception ex = ServiceOperations.stopQuietly(LOG, service);
      if (ex != null && firstException == null) {
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    }
  }

  protected void addIfService(Object object, boolean addDispatcher) {
    if (object instanceof Service) {
      Service service = (Service) object;
      ServiceWithDependency sd = new ServiceWithDependency(service);
      services.put(service, sd);
      if(addDispatcher) {
        addIfServiceDependency(service, dispatcher);
      }
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    }
  }

  protected void addIfServiceDependency(Object object, Object dependency) {
    if (object instanceof Service && dependency instanceof Service) {
      Service service = (Service) object;
      Service dependencyService = (Service) dependency;
      ServiceWithDependency sd = services.get(service);
      sd.dependencies.add(dependencyService);
      dependencyService.registerServiceListener(sd);
    }
  }
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    for (ServiceWithDependency sd : services.values()) {
      serviceList.add(sd.service);
    }
    Exception firstException = null;
    for (int i = services.size() - 1; i >= 0; i--) {
      Service service = serviceList.get(i);
      if (LOG.isDebugEnabled()) {
        LOG.debug("Stopping service : " + service);
      }
      Exception ex = ServiceOperations.stopQuietly(LOG, service);
      if (ex != null && firstException == null) {
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Related Classes of org.apache.hadoop.service.Service

  • org.apache.hadoop.service.TestServiceLifecycle
  • org.apache.hadoop.yarn.server.nodemanager.containermanager.TestAuxServices
  • org.apache.hadoop.yarn.util.TestCompositeService
  • org.apache.slider.core.main.ServiceLauncher
  • org.apache.slider.core.main.ServiceShutdownHook
  • org.apache.slider.providers.AbstractProviderService
  • org.apache.slider.providers.accumulo.AccumuloProviderService
  • org.apache.slider.server.services.utility.SequenceService
  • org.apache.slider.server.services.workflow.TestWorkflowCompositeService
  • org.apache.slider.server.services.workflow.WorkflowSequenceService
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