LINQ: Passing lambda expression as parameter to be executed and returned by method

Question

So here is the scenario: i have a series of different repository classes that each can use an isolated data context, or a shared context. In the cases where an isolated cont

Answer 1

Something like this:

public IEnumerable ExecuteInContext(
  Expression> predicate)
{
  ... // do your stuff
  //eg
  Table t = GetTable();
  return t.Where(predicate);
}

or

public IEnumerable ExecuteInContext(
   IQueryable src, Expression> predicate)
{
  return src.Where(predicate);
}

Usage:

var r = repo.ExecuteInContext( 
          x => x.SomeProp.Equals(Somevalue));

or

var r = repo.ExecuteInContext(GetTable(), 
          x => x.SomeProp.Equals(Somevalue));

Assumptions:

1. Table can be derived from T, else you will need to pass the source too.
2. You know how to modify the predicate expression if needed.