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Copyright (C) 2014 Philip Helger (www.helger.com) philip[at]helger[dot]com 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.helger.appbasics.app.dao.container;
 
 
 
 
 public abstract class AbstractDAOContainer implements IDAOContainer
 {
   protected final ReadWriteLock m_aRWLock = new ReentrantReadWriteLock ();
 
   public boolean isAutoSaveEnabled ()
   {
     .readLock ().lock ();
     try
     {
       for (final IDAO aDAO : getContainedDAOs ())
         if (aDAO != null)
           if (aDAO.isAutoSaveEnabled ())
             return true;
       return false;
     }
     finally
     {
       .readLock ().unlock ();
     }
   }
 
   public final void beginWithoutAutoSave ()
   {
     .writeLock ().lock ();
     try
     {
       for (final IDAO aDAO : getContainedDAOs ())
         if (aDAO != null)
           aDAO.beginWithoutAutoSave ();
     }
     finally
     {
       .writeLock ().unlock ();
     }
   }
 
   public final void endWithoutAutoSave ()
   {
     .writeLock ().lock ();
     try
     {
       for (final IDAO aDAO : getContainedDAOs ())
         if (aDAO != null)
           aDAO.endWithoutAutoSave ();
     }
     finally
     {
       .writeLock ().unlock ();
     }
   }
 
   public final void performWithoutAutoSave (@Nonnull final INonThrowingRunnable aRunnable)
   {
     performWithoutAutoSave (AdapterRunnableToCallable.createAdapter (aRunnable));
   }
 
   @Nullable
   public <RETURNTYPE> RETURNTYPE performWithoutAutoSave (@Nonnull final INonThrowingCallable <RETURNTYPE> aCallable)
   {
     ValueEnforcer.notNull (aCallable"Callable");
 
     beginWithoutAutoSave ();
     try
     {
      return aCallable.call ();
    }
    finally
    {
      endWithoutAutoSave ();
    }
  }
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