I want to implement a generic function in c# which takes dictionary of different object types

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I have different objects like :

class Teacher
{
  public int ID {get, set};
  public string Subject {get, set};
  public string Designation {get, set};
}

class School
{
  public int ID {get, set};
  public string Type {get, set};
}

I have two functions FillSchool(dictTeacher) and FillTeacher(dictSchool) as :

FillSchool(Dictionary<string,Teacher> dictTeacher)
{ dicTeacher.ID= 1}

FillTeacher(Dictionary<int, School> dictSchool)
{dictSchool.ID = 2}

Now I want to make a single function ( using generics or some better way) which fills values in these objects.

Posted 4-Aug-14 9:51am

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Sergey Alexandrovich Kryukov · Answer 1 · 2014-08-04T11:59:00

This is really simple. For example:

C#

using System.Collections.Generic;

//...

class SomeClass<KEY_TYPE, VALUE_TYPE> {

    Dictionary<KEY_TYPE, VALUE_TYPE> myDictionary =
        new Dictionary<KEY_TYPE, VALUE_TYPE>();

    // just for example
    internal void Add(KEY_TYPE key, VALUE_TYPE value) {
        //...
        myDictionary.Add(key, value); // may throw exception if the key is already found
    }

    // alternative without exceptions:
    // will return either new or already existing value:
    internal VALUE_TYPE AddOrRetrieve(KEY_TYPE key, VALUE_TYPE value) { 
        if ((myDictionary.TryGetValue(key, out value))
            return value; // already existing value
        myDictionary.Add(key, value); // due to the check above, won't throw exception
                                      // (unless you add in some other thread, too)
        return value; // new value
    }

    // and so on...

}

I hope my comments make this usage clear.

—SA