学步园

       目标

1.       查看支持挖掘的算法信息

2.       查看挖掘结构信息

3.       查看挖掘结构列信息

4.       查看挖掘结构模型信息

实现目标类关系图与详细信息图

 

实现代码

 

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.AnalysisServices.AdomdClient;
using System.Data.Common;
using System.Data;
using System.Windows.Forms;

namespace WinMinnig
{
   public  class MyMinnig
    {
       public MyMinnig()
       { 
       
       }
       public static AdomdConnection GetOpenConnection(string conStr)
       {
           AdomdConnection con = new AdomdConnection();
           con.ConnectionString = conStr;
           if (con.State.Equals(ConnectionState.Closed))
               con.Open();
           return con;
       }
       /// <summary>
       /// 获取挖掘模型信息集合
       /// </summary>
       /// <param name="models"></param>
       /// <returns></returns>
       public static DataTable MiningModels(MiningModelCollection models)
       {
           DataTable table = new DataTable("MiningModels");
           table.Columns.Add("Algorithm");
           table.Columns.Add("Name");
           table.Columns.Add("AllowDrillThrough");          
           table.Columns.Add("Parent");

           DataRow row = null;

           foreach (MiningModel model in models)
           {
               row = table.NewRow();
               row["Algorithm"] = model.Algorithm;
               row["Name"] = model.Name;
               row["AllowDrillThrough"] = model.AllowDrillThrough.ToString();
               row["Parent"] = model.Parent.Name;
               table.Rows.Add(row);
           }
           return table;
       }
      
      /// <summary>
      /// 获取挖掘结构信息集合
      /// </summary>
      /// <param name="structures"></param>
      /// <returns></returns>
       public static DataTable MiningStructures(MiningStructureCollection structures)
       {  
           DataTable table = new DataTable("MiningStructures");
           table.Columns.Add("Name");
           DataRow row = null;
           
           foreach (MiningStructure structure in structures)
           {
               
               row = table.NewRow();

               row["Name"] = structure.Name;
               row["Name"] = structure.Caption;
               row["Name"] = structure.Description;
               row["Name"] = structure;

               table.Rows.Add(row);
           }
           return table;

       }
       /// <summary>
       /// 根据已打开的连接和挖掘结构称称获取挖掘结构实例
       /// </summary>
       /// <param name="openConnection"></param>
       /// <param name="structrueName"></param>
       /// <returns></returns>
       public static MiningStructure GetStructureByName(AdomdConnection openConnection,string structrueName)
       { 
       return openConnection.MiningStructures[structrueName];
       }
       /// <summary>
       /// 获取挖掘结构的挖掘模型
       /// </summary>
       /// <param name="structure"></param>
       /// <returns></returns>
       public static DataTable StructureModels(MiningStructure structure)
       {
           DataTable table = new DataTable("MiningModels");
           table.Columns.Add("Algorithm");
           table.Columns.Add("Name");
           table.Columns.Add("AllowDrillThrough");
           table.Columns.Add("Parent");

           DataRow row = null;
           MiningModelCollection models = structure.MiningModels;

           foreach (MiningModel model in models)
           {
               row = table.NewRow();
               row["Algorithm"] = model.Algorithm;
               row["Name"] = model.Name;
               row["AllowDrillThrough"] = model.AllowDrillThrough.ToString();
               row["Parent"] = model.Parent.Name;
               table.Rows.Add(row);
           }
           return table;
       
       }
       /// <summary>
       /// 获取挖掘结构列信息集合
       /// </summary>
       /// <param name="columns"></param>
       /// <returns></returns>
       public static DataTable StructureColumns(MiningStructureColumnCollection columns)
       {
           DataTable table = new DataTable("StructureColumns");
          
           table.Columns.Add("Name");
           table.Columns.Add("Content");
           table.Columns.Add("Type");
           table.Columns.Add("Description");

           DataRow row = null;

           foreach (MiningStructureColumn column in columns)
           {
               row = table.NewRow();
              
               row["Name"] = column.Name;
               row["Content"] = column.Content;          
               row["Type"] = column.Type.ToString();
               row["Description"] = column.Description;
               table.Rows.Add(row);
               if(column.Columns.Count>0)
               {
                  DataTable table1= StructureColumns(column.Columns);
                  for (int i = 0; i < table1.Rows.Count;i++ )
                  {
                      table.Rows.Add(table1.Rows[i].ItemArray);
                  }
               }
               
               
           }
           return table;
       }
       /// <summary>
       /// 获取多维数据库支持数据挖掘的算法集
       /// </summary>
       /// <param name="servieces"></param>
       /// <returns></returns>
       public static DataTable MiningServices(MiningServiceCollection servieces)
       {

           DataTable table = new DataTable("MiningServices");
           table.Columns.Add("Name");
           table.Columns.Add("DisplayName");
           table.Columns.Add("Descrioption");

           DataRow row = null;

           foreach (MiningService service in servieces)
           {
               row = table.NewRow();

               row["Name"] = service.Name;
               row["DisplayName"] = service.DisplayName;
               row["Descrioption"] = service.Description;

               table.Rows.Add(row);
           }
           return table;
       }
       /// <summary>
       /// 获取多维数据库支持数据挖掘算法信息,以树结点组织信息
       /// </summary>
       /// <param name="servieces"></param>
       /// <returns></returns>
       public static TreeNode BuildMiningServies(MiningServiceCollection servieces)
       {
           TreeNode treeNode = new TreeNode();
           treeNode.Text = "数据挖掘算法";
           treeNode.Name = "$Servieces";
           
           foreach (MiningService service in servieces)
           {
               treeNode.Nodes.Add(service.Name, service.DisplayName).ToolTipText = service.Description;            
             
               
           }
           return treeNode;
           
       }
      /// <summary>
      /// 获取多维数数据库数据挖掘结构集合，以树结点组织信息
      /// </summary>
      /// <param name="structures"></param>
      /// <returns></returns>
       public static TreeNode BuildMiningStructures(MiningStructureCollection structures)
       {
           TreeNode treeNode = new TreeNode();
           treeNode.Text = "挖掘结构";
           treeNode.Name = "$Structures";
           TreeNode node = null;
           foreach( MiningStructure structure in structures)
           {
               node=treeNode.Nodes.Add(structure.Name,structure.Caption);
               node.Nodes.Add(BuildStructureColumns(structure.Columns));
               node.Nodes.Add(BuildStuctureModes(structure.MiningModels));            
               
           }          
           
           return treeNode;
           
       }
       /// <summary>
       /// 获取数据挖掘结构列信息集合，以树结点组织信息
       /// </summary>
       /// <param name="columns"></param>
       /// <returns></returns>
       public static TreeNode BuildStructureColumns(MiningStructureColumnCollection columns)
       { 
        TreeNode treeNode=new TreeNode() ;
        treeNode.Name = "$Columns";
        treeNode.Text = "列";
        
        foreach(MiningStructureColumn column in columns)
        {
            treeNode.Nodes.Add(column.Name,column.Name);
           
            if (column.Columns.Count>0)
                treeNode.Nodes[column.Name].Nodes.Add(BuildStructureColumns(column.Columns));
        }
        return treeNode;
       }
       /// <summary>
       /// 获取数据挖掘模信息集哈，以树点组织信息
       /// </summary>
       /// <param name="models"></param>
       /// <returns></returns>
       public static TreeNode BuildStuctureModes(MiningModelCollection models)
       {
           TreeNode treeNode = new TreeNode();
           treeNode.Text = "挖掘模型";
           treeNode.Name = "$Models";
           TreeNode node = null;
           foreach(MiningModel mode in models)
           {
              node= treeNode.Nodes.Add(mode.Name,mode.Name);
              node.ToolTipText = mode.Algorithm;            
           }
           return treeNode;
       }
        
    }
}

实现效果

 

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