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  /*
   *
   *  Copyright 2011 Netflix, Inc.
   *
   *     Licensed under the Apache License, Version 2.0 (the "License");
   *     you may not use this file except in compliance with the License.
   *     You may obtain a copy of the License at
   *
   *         http://www.apache.org/licenses/LICENSE-2.0
  *
  *     Unless required by applicable law or agreed to in writing, software
  *     distributed under the License is distributed on an "AS IS" BASIS,
  *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *     See the License for the specific language governing permissions and
  *     limitations under the License.
  *
  */
 package com.netflix.curator.framework.imps;
 
 import java.util.List;
 
 {
     private final CuratorFrameworkImpl client;
 
     private Backgrounding               backgrounding;
     private Stat                        responseStat;
 
     {
         this. = client;
          = new Backgrounding();
          = null;
     }
 
     @Override
     public Pathable<List<ACL>> inBackground()
     {
          = new Backgrounding(true);
         return this;
     }
 
     @Override
     public Pathable<List<ACL>> inBackground(Object context)
     {
          = new Backgrounding(context);
         return this;
     }
 
     @Override
     public Pathable<List<ACL>> inBackground(BackgroundCallback callback)
     {
          = new Backgrounding(callback);
         return this;
     }
 
     @Override
     public Pathable<List<ACL>> inBackground(BackgroundCallback callbackExecutor executor)
     {
          = new Backgrounding(callbackexecutor);
         return this;
     }
 
     @Override
     public Pathable<List<ACL>> storingStatIn(Stat stat)
     {
          = stat;
         return this;
     }
 
     @Override
     public void performBackgroundOperation(final OperationAndData<StringoperationAndDatathrows Exception
     {
         final TimeTrace             trace = .getZookeeperClient().startTracer("GetACLBuilderImpl-Background");
         AsyncCallback.ACLCallback   callback = new AsyncCallback.ACLCallback()
         {
             @Override
             public void processResult(int rcString pathObject ctxList<ACLaclStat stat)
             {
                 trace.commit();
                 CuratorEventImpl event = new CuratorEventImpl(.rcpathnullctxstatnullnullnullacl);
                 .processBackgroundOperation(operationAndDataevent);
             }
         };
         .getZooKeeper().getACL(operationAndData.getData(), callback.getContext());
     }
 
     @Override
    public List<ACLforPath(String paththrows Exception
    {
        path = .fixForNamespace(path);
        List<ACL>       result = null;
        if ( .inBackground() )
        {
            .processBackgroundOperation(new OperationAndData<String>(thispath.getCallback(), null), null);
        }
        else
        {
            result = pathInForeground(path);
        }
        return result;
    }
    private List<ACLpathInForeground(final String paththrows Exception
    {
        TimeTrace    trace = .getZookeeperClient().startTracer("GetACLBuilderImpl-Foreground");
        List<ACL>    result = RetryLoop.callWithRetry
        (
            .getZookeeperClient(),
            new Callable<List<ACL>>()
            {
                @Override
                public List<ACLcall() throws Exception
                {
                    return .getZooKeeper().getACL(path);
                }
            }
        );
        trace.commit();
        return result;
    }
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