Github user aledsage commented on a diff in the pull request:

    https://github.com/apache/incubator-brooklyn/pull/542#discussion_r26207695
  
    --- Diff: 
software/base/src/main/java/brooklyn/entity/brooklynnode/BrooklynNodeImpl.java 
---
    @@ -153,17 +158,41 @@ protected void preStopConfirmCustom() {
         @Override
         protected void preStop() {
             super.preStop();
    +        if 
(MachineLifecycleEffectorTasks.canStop(getStopProcessModeParam(), this)) {
    +            shutdownGracefully();
    +        }
    +    }
    +
    +    private StopMode getStopProcessModeParam() {
    +        ConfigBag parameters = 
BrooklynTaskTags.getCurrentEffectorParameters();
    +        if (parameters != null) {
    +            return 
parameters.get(StopSoftwareParameters.STOP_PROCESS_MODE);
    +        } else {
    +            return 
StopSoftwareParameters.STOP_PROCESS_MODE.getDefaultValue();
    +        }
    +    }
     
    +    @Override
    +    protected void preRestart() {
    +        super.preRestart();
    +        shutdownGracefully();
    --- End diff --
    
    Deserves a comment to say why doing shutdown here


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