template method design pattern's implementation - DataProcessor

DataProcessor.cs

public abstract class DataProcessor
{
    public abstract void SetDataSource(string url);
    public abstract bool IsValid();
    public abstract void Parse();
    public abstract void SaveData();
    // template method
    public void GetResult()
    {
        if (IsValid())
        {
            Parse();
            SaveData();
        }
    }
        
}

public class LinkedinDataProcessor
    :DataProcessor
{
    public override void SetDataSource(string url)
    {
        throw new NotImplementedException();
    }

    public override bool IsValid()
    {
        throw new NotImplementedException();
    }

    public override void Parse()
    {
        throw new NotImplementedException();
    }

    public override void SaveData()
    {
        throw new NotImplementedException();
    }
}

public class TwitterDataProcessor
    :DataProcessor
{

    public override void SetDataSource(string url)
    {
        throw new NotImplementedException();
    }

    public override bool IsValid()
    {
        throw new NotImplementedException();
    }

    public override void Parse()
    {
        throw new NotImplementedException();
    }

    public override void SaveData()
    {
        throw new NotImplementedException();
    }
}

public class GithubDataProcessor
    :DataProcessor
{

    public override void SetDataSource(string url)
    {
        throw new NotImplementedException();
    }

    public override bool IsValid()
    {
        throw new NotImplementedException();
    }

    public override void Parse()
    {
        throw new NotImplementedException();
    }

    public override void SaveData()
    {
        throw new NotImplementedException();
    }
}

public class BitbucketDataProcessor
    :DataProcessor
{

    public override void SetDataSource(string url)
    {
        throw new NotImplementedException();
    }

    public override bool IsValid()
    {
        throw new NotImplementedException();
    }

    public override void Parse()
    {
        throw new NotImplementedException();
    }

    public override void SaveData()
    {
        throw new NotImplementedException();
    }
}