如何在程序中加入规则引擎

 

  这是一段用规则引擎计算加班时间的代码

  1using System;
  2using System.Collections;
  3using System.ComponentModel;
  4using System.Management;
  5using System.Threading;
  6using System.Runtime.InteropServices;
  7using System.IO;
  8using System.Xml;
  9using System.Text;
 10using Muki.Rules;
 11using Muki.Util;
 12
 13namespace Muki.WXF
 14{
 15    public class SniffWindow
 16    {
 17
 18    static   RulesEngine rulesEngine;
 19        static void Main()
 20        {
 21                RulesReader reader = new RulesReader("UID2201A.xml");
 22          rulesEngine = reader.NewRulesEngine;
 23                if (rulesEngine!=null)
 24                {
 25          Personal oPersonal = new Personal();
 26          oPersonal.WorkTime=50;
 27          Variable data = new Variable("this", oPersonal);
 28          rulesEngine.AddVariable(data);
 29            
 30                rulesEngine.RunRule("Calculate");
 31              Console.WriteLine("Work Time="+oPersonal.WorkTime+" OT="+oPersonal.OT);
 32
 33          oPersonal.WorkTime=59;
 34                rulesEngine.RunRule("Calculate");
 35              Console.WriteLine("Work Time="+oPersonal.WorkTime+" OT="+oPersonal.OT);
 36
 37          oPersonal.WorkTime=41;
 38                rulesEngine.RunRule("Calculate");
 39              Console.WriteLine("Work Time="+oPersonal.WorkTime+" OT="+oPersonal.OT);
 40          }
 41        }
 42
 43    public class Personal : IVariableObject
 44    {
 45        private decimal _OT;
 46        public decimal OT
 47        {
 48            get
 49            {
 50                return _OT;
 51            }
 52            set
 53            {
 54                _OT = value;
 55            }
 56        }
 57        private decimal _WorkTime;
 58        public decimal WorkTime
 59        {
 60            get
 61            {
 62                return _WorkTime;
 63            }
 64            set
 65            {
 66                _WorkTime = value;
 67            }
 68        }
 69
 70        IVariableObject Members#region IVariableObject Members
 71
 72        public object getObject(string sAttributeName)
 73        {
 74            if (sAttributeName.CompareTo("OT") == 0)
 75            {
 76                return this.OT;
 77            }
 78            else if (sAttributeName.CompareTo("WorkTime") == 0)
 79            {
 80                return this.WorkTime;
 81            }
 82            else
 83            {
 84                return false;
 85            }
 86        }
 87
 88        public string getValue()
 89        {
 90            return "";
 91        }
 92
 93        public bool HasA(string sAttribute)
 94        {
 95                return true;
 96        }
 97
 98        public bool IsA(string sName)
 99        {
100                return true;
101        }
102
103                public string this[string cName]{
104                get {
105                                return this.getObject(cName).ToString();
106                    }
107                set {
108                                this.setObject(cName,value);
109                      }
110                }
111
112        public void setObject(string sAttributeName, object oObject)
113        {
114            if (sAttributeName.CompareTo("OT") == 0)
115            {
116                    this.OT = XConvert.ToDecimal(oObject);
117            }
118            else if (sAttributeName.CompareTo("WorkTime") == 0)
119            {
120                    this.WorkTime = XConvert.ToDecimal(oObject);
121            }
122        }
123
124        public void setValue(string sValue)
125        {
126            ;
127        }
128
129        public Variable.VariableType VarType
130        {
131            get { return Variable.VariableType.OBJECT; }
132        }
133
134        #endregion
135    }
136    }
137}
138

规则引擎根据工作时间和规则得出加班时间。

/Files/muki/Rule.zip