// 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.FrontEndActionState;
  import org.andromda.metafacades.uml.FrontEndExceptionHandler;
  import org.andromda.metafacades.uml.FrontEndForward;
  import org.andromda.metafacades.uml.OperationFacade;
  import org.andromda.translation.ocl.validation.OCLCollections;
  import org.andromda.translation.ocl.validation.OCLExpressions;
  import org.andromda.translation.ocl.validation.OCLIntrospector;
  import org.andromda.translation.ocl.validation.OCLResultEnsurer;
  import org.apache.log4j.Logger;
  import org.omg.uml.behavioralelements.activitygraphs.ActionState;
  
  /**
   * Represents an operation on the server called by an action. Optionally may defer operations to the
   * controller.
   * MetafacadeLogic for FrontEndActionState
   *
   * @see FrontEndActionState
   */
  public abstract class FrontEndActionStateLogic
      extends ActionStateFacadeLogicImpl
      implements FrontEndActionState
  {
      /**
       * The underlying UML object
       * @see Object
       */
      protected Object metaObject;
  
      /** Create Metafacade implementation instance using the MetafacadeFactory from the context
       * @param metaObjectIn
       * @param context
       */
      protected FrontEndActionStateLogic(Object metaObjectIn, String context)
      {
          super((ActionState)metaObjectIn, getContext(context));
          this.metaObject = metaObjectIn;
      }
  
      /**
       * The logger instance.
       */
      private static final Logger logger = Logger.getLogger(FrontEndActionStateLogic.class);
  
      /**
       * Gets the context for this metafacade logic instance.
       * @param context String. Set to FrontEndActionState if null
       * @return context String
       */
      private static String getContext(String context)
      {
          if (context == null)
          {
              context = "org.andromda.metafacades.uml.FrontEndActionState";
          }
          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 FrontEndActionState
       */
      public boolean isFrontEndActionStateMetaType()
      {
          return true;
      }
  
      // --------------- attributes ---------------------
  
     /**
      * @see FrontEndActionState#isServerSide()
      * @return boolean
      */
      protected abstract boolean handleIsServerSide();
  
      private boolean __serverSide1a;
     private boolean __serverSide1aSet = false;
 
     /**
      * Indicates whether or not this front end action state is server side. Pages, for example, are
      * also action states but they return control to the client.
      * @return (boolean)handleIsServerSide()
      */
     public final boolean isServerSide()
     {
         boolean serverSide1a = this.__serverSide1a;
         if (!this.__serverSide1aSet)
         {
             // serverSide has no pre constraints
             serverSide1a = handleIsServerSide();
             // serverSide has no post constraints
             this.__serverSide1a = serverSide1a;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__serverSide1aSet = true;
             }
         }
         return serverSide1a;
     }
 
    /**
     * @see FrontEndActionState#isContainedInFrontEndUseCase()
     * @return boolean
     */
     protected abstract boolean handleIsContainedInFrontEndUseCase();
 
     private boolean __containedInFrontEndUseCase2a;
     private boolean __containedInFrontEndUseCase2aSet = false;
 
     /**
      * True if this element is contained in a FrontEndUseCase.
      * @return (boolean)handleIsContainedInFrontEndUseCase()
      */
     public final boolean isContainedInFrontEndUseCase()
     {
         boolean containedInFrontEndUseCase2a = this.__containedInFrontEndUseCase2a;
         if (!this.__containedInFrontEndUseCase2aSet)
         {
             // containedInFrontEndUseCase has no pre constraints
             containedInFrontEndUseCase2a = handleIsContainedInFrontEndUseCase();
             // containedInFrontEndUseCase has no post constraints
             this.__containedInFrontEndUseCase2a = containedInFrontEndUseCase2a;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__containedInFrontEndUseCase2aSet = true;
             }
         }
         return containedInFrontEndUseCase2a;
     }
 
    /**
     * @see FrontEndActionState#getActionMethodName()
     * @return String
     */
     protected abstract String handleGetActionMethodName();
 
     private String __actionMethodName3a;
     private boolean __actionMethodName3aSet = false;
 
     /**
      * The method name representing this action state.
      * @return (String)handleGetActionMethodName()
      */
     public final String getActionMethodName()
     {
         String actionMethodName3a = this.__actionMethodName3a;
         if (!this.__actionMethodName3aSet)
         {
             // actionMethodName has no pre constraints
             actionMethodName3a = handleGetActionMethodName();
             // actionMethodName has no post constraints
             this.__actionMethodName3a = actionMethodName3a;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__actionMethodName3aSet = true;
             }
         }
         return actionMethodName3a;
     }
 
    /**
     * @see FrontEndActionState#getServiceCalls()
     * @return List<OperationFacade>
     */
     protected abstract List<OperationFacade> handleGetServiceCalls();
 
     private List<OperationFacade> __serviceCalls4a;
     private boolean __serviceCalls4aSet = false;
 
     /**
      * All calls deferred to the controller by this action state.
      * @return (List<OperationFacade>)handleGetServiceCalls()
      */
     public final List<OperationFacade> getServiceCalls()
     {
         List<OperationFacade> serviceCalls4a = this.__serviceCalls4a;
         if (!this.__serviceCalls4aSet)
         {
             // serviceCalls has no pre constraints
             serviceCalls4a = handleGetServiceCalls();
             // serviceCalls has no post constraints
             this.__serviceCalls4a = serviceCalls4a;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__serviceCalls4aSet = true;
             }
         }
         return serviceCalls4a;
     }
 
     // ------------- associations ------------------
 
     private List<FrontEndAction> __getContainerActions1r;
     private boolean __getContainerActions1rSet = false;
 
     /**
      * All action states visited by this action.
      * @return (List<FrontEndAction>)handleGetContainerActions()
      */
     public final List<FrontEndAction> getContainerActions()
     {
         List<FrontEndAction> getContainerActions1r = this.__getContainerActions1r;
         if (!this.__getContainerActions1rSet)
         {
             // actionStates has no pre constraints
             List result = handleGetContainerActions();
             List shieldedResult = this.shieldedElements(result);
             try
             {
                 getContainerActions1r = (List<FrontEndAction>)shieldedResult;
             }
             catch (ClassCastException ex)
             {
                 // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
                 FrontEndActionStateLogic.logger.warn("incorrect metafacade cast for FrontEndActionStateLogic.getContainerActions List<FrontEndAction> " + result + ": " + shieldedResult);
             }
             // actionStates has no post constraints
             this.__getContainerActions1r = getContainerActions1r;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__getContainerActions1rSet = true;
             }
         }
         return getContainerActions1r;
     }
 
     /**
      * UML Specific type is returned in Collection, transformed by shieldedElements to AndroMDA Metafacade type
      * @return  List
      */
     protected abstract List handleGetContainerActions();
 
     private List<OperationFacade> __getControllerCalls2r;
     private boolean __getControllerCalls2rSet = false;
 
     /**
      * Represents an operation on the server called by an action. Optionally may defer operations to
      * the
      * controller.
      * @return (List<OperationFacade>)handleGetControllerCalls()
      */
     public final List<OperationFacade> getControllerCalls()
     {
         List<OperationFacade> getControllerCalls2r = this.__getControllerCalls2r;
         if (!this.__getControllerCalls2rSet)
         {
             // frontEndActionState has no pre constraints
             List result = handleGetControllerCalls();
             List shieldedResult = this.shieldedElements(result);
             try
             {
                 getControllerCalls2r = (List<OperationFacade>)shieldedResult;
             }
             catch (ClassCastException ex)
             {
                 // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
                 FrontEndActionStateLogic.logger.warn("incorrect metafacade cast for FrontEndActionStateLogic.getControllerCalls List<OperationFacade> " + result + ": " + shieldedResult);
             }
             // frontEndActionState has no post constraints
             this.__getControllerCalls2r = getControllerCalls2r;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__getControllerCalls2rSet = true;
             }
         }
         return getControllerCalls2r;
     }
 
     /**
      * UML Specific type is returned in Collection, transformed by shieldedElements to AndroMDA Metafacade type
      * @return  List
      */
     protected abstract List handleGetControllerCalls();
 
     private List<FrontEndExceptionHandler> __getExceptions3r;
     private boolean __getExceptions3rSet = false;
 
     /**
      * Represents an operation on the server called by an action. Optionally may defer operations to
      * the
      * controller.
      * @return (List<FrontEndExceptionHandler>)handleGetExceptions()
      */
     public final List<FrontEndExceptionHandler> getExceptions()
     {
         List<FrontEndExceptionHandler> getExceptions3r = this.__getExceptions3r;
         if (!this.__getExceptions3rSet)
         {
             // frontEndActionState has no pre constraints
             List result = handleGetExceptions();
             List shieldedResult = this.shieldedElements(result);
             try
             {
                 getExceptions3r = (List<FrontEndExceptionHandler>)shieldedResult;
             }
             catch (ClassCastException ex)
             {
                 // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
                 FrontEndActionStateLogic.logger.warn("incorrect metafacade cast for FrontEndActionStateLogic.getExceptions List<FrontEndExceptionHandler> " + result + ": " + shieldedResult);
             }
             // frontEndActionState has no post constraints
             this.__getExceptions3r = getExceptions3r;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__getExceptions3rSet = true;
             }
         }
         return getExceptions3r;
     }
 
     /**
      * UML Specific type is returned in Collection, transformed by shieldedElements to AndroMDA Metafacade type
      * @return  List
      */
     protected abstract List handleGetExceptions();
 
     private FrontEndForward __getForward4r;
     private boolean __getForward4rSet = false;
 
     /**
      * Represents an operation on the server called by an action. Optionally may defer operations to
      * the
      * controller.
      * @return (FrontEndForward)handleGetForward()
      */
     public final FrontEndForward getForward()
     {
         FrontEndForward getForward4r = this.__getForward4r;
         if (!this.__getForward4rSet)
         {
             // frontEndActionState has no pre constraints
             Object result = handleGetForward();
             MetafacadeBase shieldedResult = this.shieldedElement(result);
             try
             {
                 getForward4r = (FrontEndForward)shieldedResult;
             }
             catch (ClassCastException ex)
             {
                 // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
                 FrontEndActionStateLogic.logger.warn("incorrect metafacade cast for FrontEndActionStateLogic.getForward FrontEndForward " + result + ": " + shieldedResult);
             }
             // frontEndActionState has no post constraints
             this.__getForward4r = getForward4r;
             if (isMetafacadePropertyCachingEnabled())
             {
                 this.__getForward4rSet = true;
             }
         }
         return getForward4r;
     }
 
     /**
      * UML Specific type is transformed by shieldedElements to AndroMDA Metafacade type
      * @return Object
      */
     protected abstract Object handleGetForward();
 
     /**
      * <p><b>Constraint:</b> org::andromda::metafacades::uml::FrontEndActionState::each front-end action state must have a name</p>
      * <p><b>Error:</b> A "front-end" action state must have a non-empty name.</p>
      * <p><b>OCL:</b> context FrontEndActionState inv: name->notEmpty()</p>
      * <p><b>Constraint:</b> org::andromda::metafacades::uml::FrontEndActionState::front-end action states can have at most one outgoing transition</p>
      * <p><b>Error:</b> A "front-end" action state needs at most one outgoing transition that is not an exception-transition.</p>
      * <p><b>OCL:</b> context FrontEndActionState inv: serverSide implies (exceptions->size() + 1 = outgoings->size() or exceptions->size() = outgoings->size())</p>
      * @param validationMessages Collection<ModelValidationMessage>
      * @see ActionStateFacadeLogicImpl#validateInvariants(Collection validationMessages)
      */
     @Override
     public void validateInvariants(Collection<ModelValidationMessage> validationMessages)
     {
         super.validateInvariants(validationMessages);
         try
         {
             final Object contextElement = this.THIS();
             boolean constraintValid = OCLResultEnsurer.ensure(OCLCollections.notEmpty(OCLIntrospector.invoke(contextElement,"name")));
             if (!constraintValid)
             {
                 validationMessages.add(
                     new ModelValidationMessage(
                         (MetafacadeBase)contextElement ,
                         "org::andromda::metafacades::uml::FrontEndActionState::each front-end action state must have a name",
                         "A \"front-end\" action state must have a non-empty name."));
             }
         }
         catch (Throwable th)
         {
             Throwable cause = th.getCause();
             int depth = 0; // Some throwables have infinite recursion
             while (cause != null && depth < 7)
             {
                 th = cause;
                 depth++;
             }
             logger.error("Error validating constraint 'org::andromda::metafacades::uml::FrontEndActionState::each front-end action state must have a name' ON "
                 + this.THIS().toString() + ": " + th.getMessage(), th);
         }
         try
         {
             final Object contextElement = this.THIS();
             boolean constraintValid = OCLResultEnsurer.ensure((Boolean.valueOf(String.valueOf(OCLIntrospector.invoke(contextElement,"serverSide"))).booleanValue()?(OCLExpressions.equal(OCLCollections.size(OCLIntrospector.invoke(contextElement,"exceptions"))+1,OCLCollections.size(OCLIntrospector.invoke(contextElement,"outgoings")))||OCLExpressions.equal(OCLCollections.size(OCLIntrospector.invoke(contextElement,"exceptions")),OCLCollections.size(OCLIntrospector.invoke(contextElement,"outgoings")))):true));
             if (!constraintValid)
             {
                 validationMessages.add(
                     new ModelValidationMessage(
                         (MetafacadeBase)contextElement ,
                         "org::andromda::metafacades::uml::FrontEndActionState::front-end action states can have at most one outgoing transition",
                         "A \"front-end\" action state needs at most one outgoing transition that is not an exception-transition."));
             }
         }
         catch (Throwable th)
         {
             Throwable cause = th.getCause();
             int depth = 0; // Some throwables have infinite recursion
             while (cause != null && depth < 7)
             {
                 th = cause;
                 depth++;
             }
             logger.error("Error validating constraint 'org::andromda::metafacades::uml::FrontEndActionState::front-end action states can have at most one outgoing transition' ON "
                 + this.THIS().toString() + ": " + th.getMessage(), th);
         }
     }
 }