/// <summary>
/// Checks if the store contains the given quadruple
/// </summary>
public virtual Boolean ContainsQuadruple(RDFQuadruple quadruple)
{
if (quadruple != null)
{
if (quadruple.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPO)
{
return((this.SelectQuadruples((RDFContext)quadruple.Context,
(RDFResource)quadruple.Subject,
(RDFResource)quadruple.Predicate,
(RDFResource)quadruple.Object,
null)).QuadruplesCount > 0);
}
else
{
return((this.SelectQuadruples((RDFContext)quadruple.Context,
(RDFResource)quadruple.Subject,
(RDFResource)quadruple.Predicate,
null,
(RDFLiteral)quadruple.Object)).QuadruplesCount > 0);
}
}
return(false);
}
/// <summary> /// Removes the given quadruples from the store /// </summary> public abstract RDFStore RemoveQuadruple(RDFQuadruple quadruple);
/// <summary> /// Adds the given quadruple to the store, avoiding duplicate insertions /// </summary> public abstract RDFStore AddQuadruple(RDFQuadruple quadruple);
/// <summary>
/// Adds the given quadruple to the CSPOL index
/// </summary>
internal RDFStoreIndex AddIndex(RDFQuadruple quadruple)
{
if (quadruple != null)
{
//Context
if (!this.Contexts.ContainsKey(quadruple.Context.PatternMemberID))
{
this.Contexts.Add(quadruple.Context.PatternMemberID, new HashSet <Int64>()
{
quadruple.QuadrupleID
});
}
else
{
if (!this.Contexts[quadruple.Context.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Contexts[quadruple.Context.PatternMemberID].Add(quadruple.QuadrupleID);
}
}
//Subject
if (!this.Subjects.ContainsKey(quadruple.Subject.PatternMemberID))
{
this.Subjects.Add(quadruple.Subject.PatternMemberID, new HashSet <Int64>()
{
quadruple.QuadrupleID
});
}
else
{
if (!this.Subjects[quadruple.Subject.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Subjects[quadruple.Subject.PatternMemberID].Add(quadruple.QuadrupleID);
}
}
//Predicate
if (!this.Predicates.ContainsKey(quadruple.Predicate.PatternMemberID))
{
this.Predicates.Add(quadruple.Predicate.PatternMemberID, new HashSet <Int64>()
{
quadruple.QuadrupleID
});
}
else
{
if (!this.Predicates[quadruple.Predicate.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Predicates[quadruple.Predicate.PatternMemberID].Add(quadruple.QuadrupleID);
}
}
//Object
if (quadruple.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPO)
{
if (!this.Objects.ContainsKey(quadruple.Object.PatternMemberID))
{
this.Objects.Add(quadruple.Object.PatternMemberID, new HashSet <Int64>()
{
quadruple.QuadrupleID
});
}
else
{
if (!this.Objects[quadruple.Object.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Objects[quadruple.Object.PatternMemberID].Add(quadruple.QuadrupleID);
}
}
}
//Literal
else
{
if (!this.Literals.ContainsKey(quadruple.Object.PatternMemberID))
{
this.Literals.Add(quadruple.Object.PatternMemberID, new HashSet <Int64>()
{
quadruple.QuadrupleID
});
}
else
{
if (!this.Literals[quadruple.Object.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Literals[quadruple.Object.PatternMemberID].Add(quadruple.QuadrupleID);
}
}
}
}
return(this);
}
/// <summary>
/// Removes the given quadruple from the CSPOL index
/// </summary>
internal RDFStoreIndex RemoveIndex(RDFQuadruple quadruple)
{
if (quadruple != null)
{
//Context
if (this.Contexts.ContainsKey(quadruple.Context.PatternMemberID))
{
if (this.Contexts[quadruple.Context.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Contexts[quadruple.Context.PatternMemberID].Remove(quadruple.QuadrupleID);
if (this.Contexts[quadruple.Context.PatternMemberID].Count == 0)
{
this.Contexts.Remove(quadruple.Context.PatternMemberID);
}
}
}
//Subject
if (this.Subjects.ContainsKey(quadruple.Subject.PatternMemberID))
{
if (this.Subjects[quadruple.Subject.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Subjects[quadruple.Subject.PatternMemberID].Remove(quadruple.QuadrupleID);
if (this.Subjects[quadruple.Subject.PatternMemberID].Count == 0)
{
this.Subjects.Remove(quadruple.Subject.PatternMemberID);
}
}
}
//Predicate
if (this.Predicates.ContainsKey(quadruple.Predicate.PatternMemberID))
{
if (this.Predicates[quadruple.Predicate.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Predicates[quadruple.Predicate.PatternMemberID].Remove(quadruple.QuadrupleID);
if (this.Predicates[quadruple.Predicate.PatternMemberID].Count == 0)
{
this.Predicates.Remove(quadruple.Predicate.PatternMemberID);
}
}
}
//Object
if (quadruple.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPO)
{
if (this.Objects.ContainsKey(quadruple.Object.PatternMemberID))
{
if (this.Objects[quadruple.Object.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Objects[quadruple.Object.PatternMemberID].Remove(quadruple.QuadrupleID);
if (this.Objects[quadruple.Object.PatternMemberID].Count == 0)
{
this.Objects.Remove(quadruple.Object.PatternMemberID);
}
}
}
}
//Literal
else
{
if (this.Literals.ContainsKey(quadruple.Object.PatternMemberID))
{
if (this.Literals[quadruple.Object.PatternMemberID].Contains(quadruple.QuadrupleID))
{
this.Literals[quadruple.Object.PatternMemberID].Remove(quadruple.QuadrupleID);
if (this.Literals[quadruple.Object.PatternMemberID].Count == 0)
{
this.Literals.Remove(quadruple.Object.PatternMemberID);
}
}
}
}
}
return(this);
}
/// <summary> /// Checks if the store contains the given quadruple /// </summary> public abstract Boolean ContainsQuadruple(RDFQuadruple quadruple);
