Example #1
0
        /// <summary>Determines whether two TypedLiteral instances are equal.</summary>
        /// <returns>True if the two TypedLiterals are equal, False otherwise</returns>
        /// <remarks>Two typed literal nodes are equal if their lexical values compare equal character by character and their datatype URI references are equal character by character..</remarks>
        public override bool Equals(object other)
        {
            if (other == null)
            {
                return(false);
            }

            if (this.GetType() != other.GetType())
            {
                return(false);
            }

            if (GetHashCode() != other.GetHashCode())
            {
                return(false);
            }

            TypedLiteral specific = (TypedLiteral)other;

            if (!itsLexicalValue.Equals(specific.itsLexicalValue))
            {
                return(false);
            }

            if (!itsDataTypeUriRef.Equals(specific.itsDataTypeUriRef))
            {
                return(false);
            }

            return(true);
        }
Example #2
0
        public bool EffectiveBooleanValue(object value)
        {
            if (value.Equals(true))
            {
                return(true);
            }
            if (value.Equals(false))
            {
                return(false);
            }

            if (value is TypedLiteral)
            {
                TypedLiteral specific = (TypedLiteral)value;
                if (specific.GetDataType().Equals(XSD_BOOLEAN))
                {
                    return(0 == theComparer.Compare("true", specific.GetLabel()));
                }
                else if (specific.GetDataType().Equals(XSD_STRING))
                {
                    return(0 != specific.GetLabel().Length);
                }
                else if (specific.GetDataType().Equals(XSD_INTEGER))
                {
                    return(0 != Convert.ToInt32(specific.GetLabel()));
                }
                else if (specific.GetDataType().Equals(XSD_DECIMAL))
                {
                    return(0 != Convert.ToDecimal(specific.GetLabel()));
                }
                else if (specific.GetDataType().Equals(XSD_DOUBLE))
                {
                    return(0.0 != Convert.ToDouble(specific.GetLabel()));
                }
                else if (specific.GetDataType().Equals(XSD_FLOAT))
                {
                    return(0.0 != Convert.ToSingle(specific.GetLabel()));
                }
            }
            else if (value is PlainLiteral)
            {
                return(0 != ((PlainLiteral)value).GetLabel().Length);
            }
            return(false);
        }
Example #3
0
 public virtual Statement MakeStatement(BlankNode subject, UriRef predicate, TypedLiteral value)
 {
     return(new Statement(subject, predicate, value));
 }