數據結構與算法(C#實現)系列---廣義樹(二)

Heavenkiller(原創)

         public  override object Key{get{return this.key;}}

         public  override uint Degree{get{return this.degree;}}

         //public  override uint Height{get{return this.height;}}

         public  override bool IsEmpty()// property takes the place of IsEmpty()

         {
              return false;//generaltree won't be empty for ever
         }    
         public  override bool IsLeaf()
         {
              return this.degree==0;//if this tree's degree is zero, it means the tree has no subtrees, so it is leaf certainly

         }

         //overwrite Object.Equals() ---  reference  type   realization

         public override bool Equals(object _obj)

         {

              if( !base.Equals(_obj) )

                   return false;//基類比較不相等，則不相等

              //基類中的一些條目在此可免去

              //在基類中已判定其為GeneralTree類型，故轉型不會失敗

              GeneralTree tmpTree=(GeneralTree)_obj;

              //比較引用成員

              if( !Object.Equals(this.treeList,tmpTree.treeList) )

                   return false;     

              //比較值類型成員

              return true;

         }

     }

}