public override State Handle(QueryParser parser, QueryTokenizer tokenizer, Query query)
{
if (Explain)
{
Console.WriteLine("Entering DESCRIBE state");
}
do
{
if (Explain)
{
Console.WriteLine(" tokenizer.TokenText is " + tokenizer.TokenText + " (" + tokenizer.Type + ")");
}
switch (tokenizer.Type)
{
case QueryTokenizer.TokenType.KeywordWhere:
if (tokenizer.MoveNext())
{
if (tokenizer.TokenText.Equals("{"))
{
return(new WhereState());
}
}
break;
case QueryTokenizer.TokenType.QuotedIRIRef:
query.AddDescribeTerm(new UriRef(tokenizer.TokenText));
break;
case QueryTokenizer.TokenType.Variable:
Variable var = new Variable(tokenizer.TokenText);
query.AddVariable(var);
query.AddDescribeTerm(var);
break;
default:
break;
}
} while (tokenizer.MoveNext());
return(this);
}
public void GetHashCodeUsesDescribeTerms()
{
Query query1 = new Query();
Query query2 = new Query();
Query query3 = new Query();
query1.AddDescribeTerm(new Variable("var"));
query2.AddDescribeTerm(new Variable("var"));
query3.AddDescribeTerm(new Variable("other"));
Assert.IsTrue(query1.GetHashCode() == query2.GetHashCode(), "Query1 should have same hash code as query2");
Assert.IsTrue(query1.GetHashCode() != query3.GetHashCode(), "Query1 should not have same hash code as query2");
}
public void EqualsComparesDescribeTerms()
{
Query query1 = new Query();
Query query2 = new Query();
Query query3 = new Query();
query1.AddDescribeTerm(new Variable("var"));
query2.AddDescribeTerm(new Variable("var"));
query3.AddDescribeTerm(new Variable("other"));
Assert.IsTrue(query1.Equals(query2), "Query1 should equal query2");
Assert.IsTrue(!query1.Equals(query3), "Query1 should not equal query3");
}
