public override bool Evaluate(object candidate)
{
candidate = AsAttributeValuesMapValue(candidate);
if (candidate == null && TheObject == null)
{
return(true);
}
if (candidate == null || TheObject == null)
{
return(false);
}
var oid = candidate as OID;
if (oid != null && !IsNative())
{
return(_oid != null && _oid.Equals(oid));
}
if (AttributeValueComparator.IsNumber(candidate) && AttributeValueComparator.IsNumber(TheObject))
{
return(AttributeValueComparator.Compare((IComparable)candidate, (IComparable)TheObject) == 0);
}
return(Equals(candidate, TheObject));
}
public virtual void Test1()
{
AssertEquals(0, AttributeValueComparator.Compare(10, Convert.ToSingle(10)));
AssertEquals(0, AttributeValueComparator.Compare(10, Convert.ToInt64(10)));
AssertEquals(0, AttributeValueComparator.Compare(10, Convert.ToDouble(10)));
AssertEquals(0, AttributeValueComparator.Compare(10, (byte)10));
AssertEquals(0, AttributeValueComparator.Compare(10, 10));
AssertEquals(0, AttributeValueComparator.Compare(10, (short)10));
AssertEquals(1, AttributeValueComparator.Compare(10, (short)9));
AssertEquals(10.CompareTo(9), AttributeValueComparator.Compare(10, (short)9));
}
public override bool Evaluate(object candidate)
{
if (candidate == null && TheObject == null)
{
return(true);
}
candidate = AsAttributeValuesMapValue(candidate);
if (candidate == null)
{
return(false);
}
if (!(candidate is IComparable))
{
throw new OdbRuntimeException(
NDatabaseError.QueryComparableCriteriaAppliedOnNonComparable.AddParameter(
candidate.GetType().FullName));
}
var comparable1 = (IComparable)candidate;
var comparable2 = (IComparable)TheObject;
switch (ComparisonType)
{
case ComparisonConstraint.ComparisonTypeGt:
{
return(AttributeValueComparator.Compare(comparable1, comparable2) > 0);
}
case ComparisonConstraint.ComparisonTypeGe:
{
return(AttributeValueComparator.Compare(comparable1, comparable2) >= 0);
}
case ComparisonConstraint.ComparisonTypeLt:
{
return(AttributeValueComparator.Compare(comparable1, comparable2) < 0);
}
case ComparisonConstraint.ComparisonTypeLe:
{
return(AttributeValueComparator.Compare(comparable1, comparable2) <= 0);
}
}
throw new OdbRuntimeException(NDatabaseError.QueryUnknownOperator.AddParameter(ComparisonType));
}