/// <summary>
/// Adds a new triple to the graph.
/// </summary>
/// <param name="subject">The triple subject.</param>
/// <param name="predicate">The triple predicate.</param>
/// <param name="object">The triple object.</param>
/// <returns>The newly added triple.</returns>
/// <exception cref="ArgumentNullException">Any of the arguments is <see langword="null"/>.</exception>
public Triple AddTriple(PropertyPathEnd subject, TriplePredicate predicate, PropertyPathEnd @object)
{
Triple newTriple = new Triple(subject, predicate, @object);
newTriple.Owner = this;
statements.Add(newTriple);
return(newTriple);
}
internal Triple(PropertyPathEnd subject, TriplePredicate predicate, PropertyPathEnd @object)
{
if (subject == null)
{
throw new ArgumentNullException("subject");
}
if (predicate == null)
{
throw new ArgumentNullException("predicate");
}
if (@object == null)
{
throw new ArgumentNullException("object");
}
this.tripleSubject = subject;
this.triplePredicate = predicate;
this.tripleObject = @object;
}
/// <summary>
/// Adds a new triple, whose subject and object are variable references, to the graph.
/// </summary>
/// <param name="subject">The triple subject.</param>
/// <param name="predicate">The triple predicate.</param>
/// <param name="object">The triple object.</param>
/// <returns>The newly added triple.</returns>
/// <exception cref="ArgumentNullException">Any of the arguments is <see langword="null"/>.</exception>
public Triple AddTriple(Variable subject, TriplePredicate predicate, Variable @object)
{
return(AddTriple(new VariableEnd(subject),
predicate,
new VariableEnd(@object)));
}
/// <summary>
/// Adds a new triple, whose object is a variable reference, to the graph.
/// </summary>
/// <param name="subject">The triple subject.</param>
/// <param name="predicate">The triple predicate.</param>
/// <param name="object">The triple object.</param>
/// <returns>The newly added triple.</returns>
/// <exception cref="ArgumentNullException">Any of the arguments is <see langword="null"/>.</exception>
public Triple AddTriple(PropertyPathEnd subject, TriplePredicate predicate, Variable @object)
{
return(AddTriple(subject,
predicate,
new VariableEnd(@object)));
}
/// <summary>
/// Adds a new triple, whose subject is a variable reference, to the graph.
/// </summary>
/// <param name="subject">The triple subject.</param>
/// <param name="predicate">The triple predicate.</param>
/// <param name="object">The triple object.</param>
/// <returns>The newly added triple.</returns>
/// <exception cref="ArgumentNullException">Any of the arguments is <see langword="null"/>.</exception>
public Triple AddTriple(Variable subject, TriplePredicate predicate, PropertyPathEnd @object)
{
return(AddTriple(new VariableEnd(subject),
predicate,
@object));
}