package org.andromda.cartridges.ejb3.metafacades;
   
   import java.text.MessageFormat;
   import java.util.ArrayList;
   import java.util.Collection;
   import java.util.List;
   import org.andromda.cartridges.ejb3.EJB3Globals;
   import org.andromda.metafacades.uml.DependencyFacade;
   import org.andromda.metafacades.uml.ModelElementFacade;
  import org.apache.commons.collections.CollectionUtils;
  import org.apache.commons.collections.Predicate;
  import org.apache.commons.lang.StringUtils;
  
  /**
   * MetafacadeLogic implementation for org.andromda.cartridges.ejb3.metafacades.EJB3DependencyFacade.
   *
   * @see EJB3DependencyFacade
   */
  public class EJB3DependencyFacadeLogicImpl
      extends EJB3DependencyFacadeLogic
  {
      private static final long serialVersionUID = 34L;
      /**
       * The suffix for the transformation anonymous name.
       */
      private static final String TRANSFORMATION_ANONYMOUS_NAME_SUFFIX = "_TRANSFORMER";
  
      /**
       * The suffix for the transformation to entity method name.
       */
      private static final String TRANSFORMATION_TO_ENTITY_METHOD_NAME_SUFFIX = "ToEntity";
  
      /**
       * The suffix for the value object to entity transformer.
       */
      private static final String VALUE_OBJECT_TO_ENTITY_TRANSFORMER_SUFFIX = "Transformer";
  
      /**
       * @param metaObject
       * @param context
       */
      public EJB3DependencyFacadeLogicImpl(final Object metaObject, final String context)
      {
          super (metaObject, context);
      }
  
      /**
       * @return EJB3Globals.TRANSFORMATION_CONSTANT_PREFIX + this.getName().toUpperCase()
       * @see EJB3DependencyFacade#getTransformationConstantName()
       */
      @Override
      protected String handleGetTransformationConstantName()
      {
          return EJB3Globals.TRANSFORMATION_CONSTANT_PREFIX + this.getName().toUpperCase();
      }
  
      /**
       * @return EJB3Globals.TRANSFORMATION_METHOD_PREFIX + StringUtils.capitalize(getName())
       * @see EJB3DependencyFacade#getTransformationMethodName()
       */
      @Override
      protected String handleGetTransformationMethodName()
      {
          return EJB3Globals.TRANSFORMATION_METHOD_PREFIX + StringUtils.capitalize(this.getName());
      }
  
      /**
       * @see EJB3DependencyFacade#getTransformationAnonymousName()
       */
      @Override
      protected String handleGetTransformationAnonymousName()
      {
          return this.getName().toUpperCase() + TRANSFORMATION_ANONYMOUS_NAME_SUFFIX;
      }
  
      /**
       * @return circularReference
       * @see EJB3DependencyFacade#isCircularReference()
       */
      @Override
      protected boolean handleIsCircularReference()
      {
          boolean circularReference = false;
          final ModelElementFacade sourceElement = this.getSourceElement();
          final ModelElementFacade targetElement = this.getTargetElement();
          final Collection<DependencyFacade> sourceDependencies = targetElement.getSourceDependencies();
          if (sourceDependencies != null && !sourceDependencies.isEmpty())
          {
              circularReference = CollectionUtils.find(sourceDependencies, new Predicate()
              {
                  public boolean evaluate(final Object object)
                  {
                      DependencyFacade dependency = (DependencyFacade)object;
                      return (dependency != null) && dependency.getTargetElement().equals(sourceElement);
                  }
              }) != null;
          }
          return circularReference;
      }
 
     /**
      * @see EJB3DependencyFacade#getTransformationConstantValue()
      */
     @Override
     protected int handleGetTransformationConstantValue()
     {
         int value = 0;
         ModelElementFacade element = this.getSourceElement();
         if (element instanceof EJB3EntityFacade)
         {
             final List<EJB3EntityFacade> hierarchyList = new ArrayList<EJB3EntityFacade>();
             for (EJB3EntityFacade entity = (EJB3EntityFacade)element; entity != null;
                 entity = (EJB3EntityFacade)entity.getGeneralization())
             {
                 hierarchyList.add(entity);
             }
             boolean breakOut = false;
             for (int ctr = hierarchyList.size() - 1; ctr >= 0; ctr--)
             {
                 final EJB3EntityFacade generalization = hierarchyList.get(ctr);
                 for (final Object reference : generalization.getValueObjectReferences())
                 {
                     value++;
                     if (reference.equals(this))
                     {
                         breakOut = true;
                         break;
                     }
                 }
                 if (breakOut)
                 {
                     break;
                 }
             }
         }
         return value;
     }
 
     /**
      * @see EJB3DependencyFacade#getTransformationToCollectionMethodName()
      */
     @Override
     protected String handleGetTransformationToCollectionMethodName()
     {
         return EJB3Globals.TRANSFORMATION_METHOD_PREFIX + StringUtils.capitalize(this.getName()) +
             EJB3Globals.TRANSFORMATION_TO_COLLECTION_METHOD_SUFFIX;
     }
 
     /**
      * @see EJB3DependencyFacade#getDaoName()
      */
     @Override
     protected String handleGetDaoName()
     {
         return MessageFormat.format(
                 this.getDaoNamePattern(),
                 StringUtils.trimToEmpty(this.getName()));
     }
 
     /**
      * Gets the value of the {@link EJB3Globals#DAO_PATTERN}.
      *
      * @return the DAO name pattern.
      */
     private String getDaoNamePattern()
     {
         return String.valueOf(this.getConfiguredProperty(EJB3Globals.DAO_PATTERN));
     }
 
     /**
      * @see EJB3DependencyFacade#getDaoGetterName()
      */
     @Override
     protected String handleGetDaoGetterName()
     {
         return "get" + StringUtils.capitalize(this.getDaoName());
     }
 
     /**
      * @see EJB3DependencyFacade#getDaoSetterName()
      */
     @Override
     protected String handleGetDaoSetterName()
     {
         return "set" + StringUtils.capitalize(this.getDaoName());
     }
 
     /**
      * @see EJB3DependencyFacade#getTransformationToEntityCollectionMethodName()
      */
     @Override
     protected String handleGetTransformationToEntityCollectionMethodName()
     {
         return this.getTransformationToEntityMethodName() + EJB3Globals.TRANSFORMATION_TO_COLLECTION_METHOD_SUFFIX;
     }
 
     /**
      * @see EJB3DependencyFacade#getTransformationToEntityMethodName()
      */
     @Override
     protected String handleGetTransformationToEntityMethodName()
     {
         return this.getName() + TRANSFORMATION_TO_ENTITY_METHOD_NAME_SUFFIX;
     }
 
     /**
      * @see EJB3DependencyFacade#getValueObjectToEntityTransformerName()
      */
     @Override
     protected String handleGetValueObjectToEntityTransformerName()
     {
         return StringUtils.capitalize(this.getTransformationToEntityMethodName()) +
             VALUE_OBJECT_TO_ENTITY_TRANSFORMER_SUFFIX;
     }
 }