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From olegz <...@git.apache.org>
Subject [GitHub] nifi pull request: NIFI-1164 decreased the chances of race conditi...
Date Mon, 16 Nov 2015 20:13:51 GMT
Github user olegz commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/126#discussion_r44976221
  
    --- Diff: nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/service/StandardControllerServiceProvider.java
---
    @@ -545,23 +546,16 @@ public void enableReferencingServices(final ControllerServiceNode
serviceNode) {
         }
     
         private void enableReferencingServices(final ControllerServiceNode serviceNode, final
List<ControllerServiceNode> recursiveReferences) {
    -        if (serviceNode.getState() != ControllerServiceState.ENABLED && serviceNode.getState()
!= ControllerServiceState.ENABLING) {
    +        if (serviceNode.getState() != ControllerServiceState.ENABLING && serviceNode.getState()
!= ControllerServiceState.ENABLED) {
                 serviceNode.verifyCanEnable(new HashSet<>(recursiveReferences));
             }
     
             final Set<ControllerServiceNode> ifEnabled = new HashSet<>();
    -        final List<ControllerServiceNode> toEnable = findRecursiveReferences(serviceNode,
ControllerServiceNode.class);
    -        for (final ControllerServiceNode nodeToEnable : toEnable) {
    +        for (final ControllerServiceNode nodeToEnable : recursiveReferences) {
                 final ControllerServiceState state = nodeToEnable.getState();
    -            if (state != ControllerServiceState.ENABLED && state != ControllerServiceState.ENABLING)
{
    +            if (state != ControllerServiceState.ENABLING && state != ControllerServiceState.ENABLED)
{
                     nodeToEnable.verifyCanEnable(ifEnabled);
                     ifEnabled.add(nodeToEnable);
    -            }
    -        }
    -
    -        for (final ControllerServiceNode nodeToEnable : toEnable) {
    --- End diff --
    
    I see your point, let me put it back and I'll document it in code as well


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