// 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.FrontEndAction;
  import org.andromda.metafacades.uml.FrontEndControllerOperation;
  import org.andromda.metafacades.uml.FrontEndEvent;
  import org.apache.log4j.Logger;
  import org.omg.uml.behavioralelements.statemachines.Event;
  
  /**
   * A front-end event is represented by some kind of even on some kind of front-end (hyperlink,
   * submit button, etc).
   * MetafacadeLogic for FrontEndEvent
   *
   * @see FrontEndEvent
   */
  public abstract class FrontEndEventLogic
      extends EventFacadeLogicImpl
      implements FrontEndEvent
  {
      /**
       * The underlying UML object
       * @see Object
       */
      protected Object metaObject;
  
      /** Create Metafacade implementation instance using the MetafacadeFactory from the context
       * @param metaObjectIn
       * @param context
       */
      protected FrontEndEventLogic(Object metaObjectIn, String context)
      {
          super((Event)metaObjectIn, getContext(context));
          this.metaObject = metaObjectIn;
      }
  
      /**
       * The logger instance.
       */
      private static final Logger logger = Logger.getLogger(FrontEndEventLogic.class);
  
      /**
       * Gets the context for this metafacade logic instance.
       * @param context String. Set to FrontEndEvent if null
       * @return context String
       */
      private static String getContext(String context)
      {
          if (context == null)
          {
              context = "org.andromda.metafacades.uml.FrontEndEvent";
          }
          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 FrontEndEvent
       */
      public boolean isFrontEndEventMetaType()
      {
          return true;
      }
  
      // --------------- attributes ---------------------
  
     /**
      * @see FrontEndEvent#isContainedInFrontEndUseCase()
      * @return boolean
      */
      protected abstract boolean handleIsContainedInFrontEndUseCase();
  
      private boolean __containedInFrontEndUseCase1a;
      private boolean __containedInFrontEndUseCase1aSet = false;
  
      /**
       * Indicates whether or not this front end event is contained within a FrontEndUseCase.
       * @return (boolean)handleIsContainedInFrontEndUseCase()
       */
     public final boolean isContainedInFrontEndUseCase()
     {
         boolean containedInFrontEndUseCase1a = this.__containedInFrontEndUseCase1a;
         if (!this.__containedInFrontEndUseCase1aSet)
         {
             // containedInFrontEndUseCase has no pre constraints
             containedInFrontEndUseCase1a = handleIsContainedInFrontEndUseCase();
             // containedInFrontEndUseCase has no post constraints
             this.__containedInFrontEndUseCase1a = containedInFrontEndUseCase1a;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__containedInFrontEndUseCase1aSet = true;
             }
         }
         return containedInFrontEndUseCase1a;
     }
 
     // ------------- associations ------------------
 
     private FrontEndControllerOperation __getControllerCall1r;
     private boolean __getControllerCall1rSet = false;
 
     /**
      * A front-end event is represented by some kind of even on some kind of front-end (hyperlink,
      * submit
      * button, etc).
      * @return (FrontEndControllerOperation)handleGetControllerCall()
      */
     public final FrontEndControllerOperation getControllerCall()
     {
         FrontEndControllerOperation getControllerCall1r = this.__getControllerCall1r;
         if (!this.__getControllerCall1rSet)
         {
             // frontEndEvent has no pre constraints
             Object result = handleGetControllerCall();
             MetafacadeBase shieldedResult = this.shieldedElement(result);
             try
             {
                 getControllerCall1r = (FrontEndControllerOperation)shieldedResult;
             }
             catch (ClassCastException ex)
             {
                 // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
                 FrontEndEventLogic.logger.warn("incorrect metafacade cast for FrontEndEventLogic.getControllerCall FrontEndControllerOperation " + result + ": " + shieldedResult);
             }
             // frontEndEvent has no post constraints
             this.__getControllerCall1r = getControllerCall1r;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__getControllerCall1rSet = true;
             }
         }
         return getControllerCall1r;
     }
 
     /**
      * UML Specific type is transformed by shieldedElements to AndroMDA Metafacade type
      * @return Object
      */
     protected abstract Object handleGetControllerCall();
 
     private FrontEndAction __getAction2r;
     private boolean __getAction2rSet = false;
 
     /**
      * A front-end event is represented by some kind of even on some kind of front-end (hyperlink,
      * submit
      * button, etc).
      * @return (FrontEndAction)handleGetAction()
      */
     public final FrontEndAction getAction()
     {
         FrontEndAction getAction2r = this.__getAction2r;
         if (!this.__getAction2rSet)
         {
             // frontEndEvent has no pre constraints
             Object result = handleGetAction();
             MetafacadeBase shieldedResult = this.shieldedElement(result);
             try
             {
                 getAction2r = (FrontEndAction)shieldedResult;
             }
             catch (ClassCastException ex)
             {
                 // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
                 FrontEndEventLogic.logger.warn("incorrect metafacade cast for FrontEndEventLogic.getAction FrontEndAction " + result + ": " + shieldedResult);
             }
             // frontEndEvent has no post constraints
             this.__getAction2r = getAction2r;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__getAction2rSet = true;
             }
         }
         return getAction2r;
     }
 
     /**
      * UML Specific type is transformed by shieldedElements to AndroMDA Metafacade type
      * @return Object
      */
     protected abstract Object handleGetAction();
 
     /**
      * A front-end event is represented by some kind of even on some kind of front-end (hyperlink,
      * submit
      * button, etc).
      * @return (List<FrontEndControllerOperation>)handleGetControllerCalls()
      */
     public final List<FrontEndControllerOperation> getControllerCalls()
     {
         List<FrontEndControllerOperation> getControllerCalls3r = null;
         // frontEndEvent has no pre constraints
         List result = handleGetControllerCalls();
         List shieldedResult = this.shieldedElements(result);
         try
         {
             getControllerCalls3r = (List<FrontEndControllerOperation>)shieldedResult;
         }
         catch (ClassCastException ex)
         {
             // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
             FrontEndEventLogic.logger.warn("incorrect metafacade cast for FrontEndEventLogic.getControllerCalls List<FrontEndControllerOperation> " + result + ": " + shieldedResult);
         }
         // frontEndEvent has no post constraints
         return getControllerCalls3r;
     }
 
     /**
      * UML Specific type is returned in Collection, transformed by shieldedElements to AndroMDA Metafacade type
      * @return  List
      */
     protected abstract List handleGetControllerCalls();
 
     /**
      * @param validationMessages Collection<ModelValidationMessage>
      * @see EventFacadeLogicImpl#validateInvariants(Collection validationMessages)
      */
     @Override
     public void validateInvariants(Collection<ModelValidationMessage> validationMessages)
     {
         super.validateInvariants(validationMessages);
     }
 }