using System;

public class Program

{

    public static void Main()

    {

        TestAuthorAttribute.Test();

​

    }

}

[System.AttributeUsage(System.AttributeTargets.Class |  

                       System.AttributeTargets.Struct)  

]  

public class CouchbaseCollectionAttribute : System.Attribute  

{  

    public string collection;

    public CouchbaseCollectionAttribute(string collection)  

    {  

        this.collection = collection;  

    }  

​

    public string GetCollection()  

    {  

        return collection;  

    }  

}  

​

[System.AttributeUsage(System.AttributeTargets.Class |  

                       System.AttributeTargets.Struct)  

]  

public class CouchbaseScopeAttribute : System.Attribute  

{  

    public string scope;

    public CouchbaseScopeAttribute( string scope)  

    {  

        this.scope = scope;  

    }  

​

    public string GetScope()  

    {  

        return scope;  

    }  

}  

[CouchbaseScope("entity")]

[CouchbaseCollection("firstclass")]

public class FirstClass  

{  

    // ...  

}  

[CouchbaseCollection("secondclass")]

public class SecondClass  

{  

    // ...  

}  

// Class with multiple Author attributes.  

[CouchbaseCollection("thirdclass")]

[CouchbaseScope("entity")]

public class ThirdClass  

{  

    // ...  

}  

public class TestAuthorAttribute  

{  

    public static void Test()  

    {  

        PrintScopeInfo(typeof(FirstClass));

        PrintCollectionInfo(typeof(FirstClass));  

        PrintCollectionInfo(typeof(SecondClass));  

        PrintCollectionInfo(typeof(ThirdClass));  

    }  

    private static void PrintScopeInfo(System.Type t)  

    {   

        // Using reflection.  

        System.Attribute[] attrs = System.Attribute.GetCustomAttributes(t);  // Reflection.  

        // Displaying output.  

        foreach (System.Attribute attr in attrs)  

        {  

            if (attr is CouchbaseScopeAttribute)  

            {  

                CouchbaseScopeAttribute a = (CouchbaseScopeAttribute)attr;  

                System.Console.WriteLine(" Collection: {0}", a.GetScope());                 

            }  

        }  

    }

    private static void PrintCollectionInfo(System.Type t)  

    {   

        // Using reflection.  

        System.Attribute[] attrs = System.Attribute.GetCustomAttributes(t);  // Reflection.  

        // Displaying output.  

        foreach (System.Attribute attr in attrs)  

        {  

            if (attr is CouchbaseCollectionAttribute)  

            {  

                CouchbaseCollectionAttribute a = (CouchbaseCollectionAttribute)attr;  

                System.Console.WriteLine(" Collection: {0}", a.GetCollection());                

            }  

        }  

    }  

}