package org.trails.engine;

 import java.io.Serializable;

 import org.apache.hivemind.util.Defense;

 import org.trails.descriptor.CollectionDescriptor;

 import org.trails.descriptor.IClassDescriptor;

 import org.trails.page.PageType;

 public class TrailsPagesServiceParameter implements Serializable

 {

         private PageType pageType;

         private IClassDescriptor classDescriptor;

         private Object model;

         private CollectionDescriptor associationDescriptor;

         private Object parent;

         public TrailsPagesServiceParameter(PageType pageType, IClassDescriptor classDescriptor)

         {

                 Defense.notNull(pageType, "pageName");

                 Defense.notNull(classDescriptor, "classDescriptor");

                 this.pageType = pageType;

                 this.classDescriptor = classDescriptor;

         }

         public TrailsPagesServiceParameter(PageType pageType, IClassDescriptor classDescriptor, Object model)

         {

                 this(pageType, classDescriptor);

                 this.model = model;

         }

         public TrailsPagesServiceParameter(PageType pageType, IClassDescriptor classDescriptor, Object model, CollectionDescriptor associationDescriptor, Object parent)

         {

                 this(pageType, classDescriptor, model);

                 this.associationDescriptor = associationDescriptor;

                 this.parent = parent;

         }

         public PageType getPageType()

         {

                 return pageType;

         }

         public IClassDescriptor getClassDescriptor()

         {

                 return classDescriptor;

         }

         public Object getModel()

         {

                 return model;

         }

         public CollectionDescriptor getAssociationDescriptor()

         {

                 return associationDescriptor;

         }

         public Object getParent()

         {

                 return parent;

         }

 }