#ifndef hello_H_ALREADY_INCLUDED
#define hello_H_ALREADY_INCLUDED

#include <cnc/dist_cnc.h>
#include <cnc/debug.h>

// Forward declaration of the context class (also known as graph)
struct hello_context;

// The step classes

struct compute
{
    int execute( const int & t, hello_context & c ) const;
};

// The context class
struct hello_context : public CnC::context< hello_context >
{
    // Item collections
    CnC::item_collection< int, unsigned > hostid;
    CnC::item_collection< int, unsigned > threadid;

    // Tag collections
    CnC::tag_collection< int > tagvalue;

    // The context class constructor
#pragma warning(push)
#pragma warning(disable: 4355)
    hello_context()
        : CnC::context< hello_context >(),
          // Initialize each item collection
          hostid( this ),
          threadid( this ),
          // Initialize each tag collection
          tagvalue( this, true )
    {
        // Prescriptive relations
        prescribe( tagvalue, compute() );
    }
#pragma warning(pop)
};

#endif // hello_H_ALREADY_INCLUDED