// license-header java merge-point
   //
   // Attention: generated code (by MetafacadeLogic.vsl) - do not modify!
   //
   package org.andromda.metafacades.uml14;
   
   import java.util.Collection;
   import java.util.List;
   import org.andromda.core.metafacade.MetafacadeBase;
  import org.andromda.core.metafacade.ModelValidationMessage;
  import org.andromda.metafacades.uml.ActivityGraphFacade;
  import org.andromda.metafacades.uml.PartitionFacade;
  import org.andromda.metafacades.uml.StateVertexFacade;
  import org.apache.log4j.Logger;
  import org.omg.uml.behavioralelements.activitygraphs.Partition;
  
  /**
   * A representation of the model object 'Region'. An orthogonal part of either a composite state or
   * a state machine. It contains states and transitions.
   * MetafacadeLogic for PartitionFacade
   *
   * @see PartitionFacade
   */
  public abstract class PartitionFacadeLogic
      extends ModelElementFacadeLogicImpl
      implements PartitionFacade
  {
      /**
       * The underlying UML object
       * @see Partition
       */
      protected Partition metaObject;
  
      /** Create Metafacade implementation instance using the MetafacadeFactory from the context
       * @param metaObjectIn
       * @param context
       */
      protected PartitionFacadeLogic(Partition metaObjectIn, String context)
      {
          super(metaObjectIn, getContext(context));
          this.metaObject = metaObjectIn;
      }
  
      /**
       * The logger instance.
       */
      private static final Logger logger = Logger.getLogger(PartitionFacadeLogic.class);
  
      /**
       * Gets the context for this metafacade logic instance.
       * @param context String. Set to PartitionFacade if null
       * @return context String
       */
      private static String getContext(String context)
      {
          if (context == null)
          {
              context = "org.andromda.metafacades.uml.PartitionFacade";
          }
          return context;
      }
  
      /** Reset context only for non-root metafacades
       * @param context
       */
      @Override
      public void resetMetafacadeContext(String context)
      {
          if (!this.contextRoot) // reset context only for non-root metafacades
          {
              context = getContext(context);  // to have same value as in original constructor call
              setMetafacadeContext (context);
          }
      }
  
      /**
       * @return boolean true always
       * @see PartitionFacade
       */
      public boolean isPartitionFacadeMetaType()
      {
          return true;
      }
  
      // ------------- associations ------------------
  
      private Collection<StateVertexFacade> __getVertices1r;
      private boolean __getVertices1rSet = false;
  
      /**
       * The partition (if any) to which this vertex belongs.
       * @return (Collection<StateVertexFacade>)handleGetVertices()
       */
      public final Collection<StateVertexFacade> getVertices()
      {
          Collection<StateVertexFacade> getVertices1r = this.__getVertices1r;
          if (!this.__getVertices1rSet)
          {
              // partition has no pre constraints
             Collection result = handleGetVertices();
             List shieldedResult = this.shieldedElements(result);
             try
             {
                 getVertices1r = (Collection<StateVertexFacade>)shieldedResult;
             }
             catch (ClassCastException ex)
             {
                 // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
                 PartitionFacadeLogic.logger.warn("incorrect metafacade cast for PartitionFacadeLogic.getVertices Collection<StateVertexFacade> " + result + ": " + shieldedResult);
             }
             // partition has no post constraints
             this.__getVertices1r = getVertices1r;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__getVertices1rSet = true;
             }
         }
         return getVertices1r;
     }
 
     /**
      * UML Specific type is returned in Collection, transformed by shieldedElements to AndroMDA Metafacade type
      * @return  Collection
      */
     protected abstract Collection handleGetVertices();
 
     /**
      * The set of partitions contained in this activity graph. Partitions are also known as
      * swimlanes in UML.
      * @return (ActivityGraphFacade)handleGetActivityGraph()
      */
     public final ActivityGraphFacade getActivityGraph()
     {
         ActivityGraphFacade getActivityGraph2r = null;
         // partitions has no pre constraints
         Object result = handleGetActivityGraph();
         MetafacadeBase shieldedResult = this.shieldedElement(result);
         try
         {
             getActivityGraph2r = (ActivityGraphFacade)shieldedResult;
         }
         catch (ClassCastException ex)
         {
             // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
             PartitionFacadeLogic.logger.warn("incorrect metafacade cast for PartitionFacadeLogic.getActivityGraph ActivityGraphFacade " + result + ": " + shieldedResult);
         }
         // partitions has no post constraints
         return getActivityGraph2r;
     }
 
     /**
      * UML Specific type is transformed by shieldedElements to AndroMDA Metafacade type
      * @return Object
      */
     protected abstract Object handleGetActivityGraph();
 
     /**
      * @param validationMessages Collection<ModelValidationMessage>
      * @see ModelElementFacadeLogicImpl#validateInvariants(Collection validationMessages)
      */
     @Override
     public void validateInvariants(Collection<ModelValidationMessage> validationMessages)
     {
         super.validateInvariants(validationMessages);
     }
 }