modification structure svn

1 files changed, 31 insertions, 0 deletions

diff --git a/IvyPPC/IvyBindingAttribute.cs b/IvyPPC/IvyBindingAttribute.cs
new file mode 100644
index 0000000..90c44ce
--- /dev/null
+++ b/IvyPPC/IvyBindingAttribute.cs
@@ -0,0 +1,31 @@
+using System;

+using System.Collections.Generic;

+using System.Text;

+

+namespace IvyBus

+{

+    [AttributeUsage(AttributeTargets.Method,AllowMultiple = true)]

+    public sealed class IvyBindingAttribute : Attribute

+    {

+        private string expression;

+        private string[] args;

+

+        // translate part of expression to object property

+        public string GetExpression(object obj)

+        {

+            if (obj == null) return string.Format(expression);

+            object[] values = new object[args.Length];

+            for (int i = 0; i < args.Length; i++)

+            {

+                values[i] = obj.GetType().GetProperty(args[i]).GetValue(obj,null);

+            }

+            return string.Format(expression,values);

+        }

+

+        public IvyBindingAttribute(string expression, params string[] args)

+        {

+            this.expression = expression;

+            this.args = args;

+        }

+    }

+}