Adding Objects to Collections - Teradata Meta Data Services

Adding Objects to Collections

This section shows example code to add objects to collections. The example code uses:

CMetaObject::AddToDestCollection

CMetaObject::AddToOrigCollection

CMetaObject::AddManyToDestCollection

////////////////////////////////////////////////////////////////////

// AddColl function

//

// Example of using the CMetaObject::AddToDestCollection function

////////////////////////////////////////////////////////////////////

HRESULT AddColl(CMetaRepository &repos)

{

	HRESULT result = S_OK;   // return value

	CMetaObject obj2;

	OBJECTID_t

		RelIDCorpHasDiv		= NULLLOID,

		loidBigGuy			= NULLLOID,

		loidAmericanAutos	= NULLLOID;

	// Get the ObjectIds of EuroDivision, Tornado, Hurrican and the

	// DivMakesAutos relationship

	result = repos.GetObjectID(OBJGUID_BigGuyMotors, &loidBigGuy);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(OBJGUID_AmericanAutos, &loidAmericanAutos);

	if (SUCCEEDED(result))

	{

		// Set the local object ObjectID to BigGuy

		obj2.SetObjectID(loidBigGuy);

		// Call AddToDestCollection to add AmericanAutos to the 

		// CorpHasDivisions collection of BigGuy

		result = obj2.AddToDestCollection(loidAmericanAutos, NULLGUID, 

			RelIDCorpHasDiv);

	}

	return (result);

}

//////////////////////////////////////////////////////////////////

// AddOrigColl function

//

// Example of using the CMetaObject::AddToOrigCollection function

//////////////////////////////////////////////////////////////////

HRESULT AddOrigColl(CMetaRepository &repos)

{

	HRESULT result = S_OK;   // return value

	CMetaObject obj;

	OBJECTID_t

		RelIDDivMakesAutos	= NULLLOID,

		RelIDCorpHasDiv		= NULLLOID,

		loidEuroDiv			= NULLLOID,

		loidTurtle			= NULLLOID;

	// Get the ObjectIDs for EuroDivision, Turtle and the DivMakesAutos

	// relationship

	result = repos.GetObjectID(OBJGUID_EuroDivision, &loidEuroDiv);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(RELGUID_DivMakesAutos, 

			&RelIDDivMakesAutos);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(OBJGUID_FarEastMotors, 

			&loidFarEast);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(OBJGUID_LuxuryMotors, &loidLuxuryMotors);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(RELGUID_CorpHasDivisions, 

			&RelIDCorpHasDiv);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(OBJGUID_Turtle, &loidTurtle);

	if (SUCCEEDED(result))

	{

		// Set the local object ObjectID to LuxuryMotors

		obj.SetObjectID(loidLuxuryMotors);

		// Call AddToOrigCollection to add FarEast Motors to the 

		// CorpHasDivisions collection

		result = obj.AddToOrigCollection(loidFarEast, NULLGUID, 

			RelIDCorpHasDiv);

	}

	if (SUCCEEDED(result))

	{

		// Set the local object ObjectID to Turtle

		obj.SetObjectID(loidTurtle);

		// Call AddToOrigCollection to add EuroDivision to the DivMakesAutos

		result = obj.AddToOrigCollection(loidEuroDiv, NULLGUID, 

			RelIDDivMakesAutos);

	}

	return (result);

}

//////////////////////////////////////////////////////////////////////

// AddManyColl function

//

// Example of using the CMetaObject::AddManyToDestCollection function

//////////////////////////////////////////////////////////////////////

HRESULT AddManyColl(CMetaRepository &repos)

{

	LLOBJECTID_t inLoids;   // list of loids to add to a collection

	HRESULT result = S_OK;   // return value

	CMetaObject obj;

	OBJECTID_t

		RelIDDivMakesAutos		= NULLLOID,

		loidAmericanAutos		= NULLLOID,

		loidYearling			= NULLLOID,

		loidTortoise			= NULLLOID;

	// Get the ObjectIDs 

	result = repos.GetObjectID(OBJGUID_AmericanAutos, &loidAmericanAutos);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(OBJGUID_Yearling, &loidYearling);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(OBJGUID_Tortoise, &loidTortoise);

	if (SUCCEEDED(result))

		result = repos.GetObjectID(RELGUID_DivMakesAutos, 

			&RelIDDivMakesAutos);

	if (SUCCEEDED(result))

	{

		// Add the ObjectIDs of Yearling and Tortoise to a list

		inLoids.push_back(loidYearling);

		inLoids.push_back(loidTortoise);

		// Set the local object ObjectID to AmericanAutos

		obj.SetObjectID(loidAmericanAutos);

		// Call AddManyToDestCollection to add Yearling and Tortoise to

		// the DivMakesAutos collection of AmericanAutos

		result = obj.AddManyToDestCollection(inLoids, NULLGUID,

			RelIDDivMakesAutos);

	}

	return result;

}