/// <summary>
/// Determines whether the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>.
/// </summary>
/// <param name="obj">The <see cref="T:System.Object"/> to compare with the current <see cref="T:System.Object"/>.</param>
/// <returns>
/// true if the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>; otherwise, false.
/// </returns>
/// <exception cref="T:System.NullReferenceException">
/// The <paramref name="obj"/> parameter is null.
/// </exception>
public override bool Equals(object obj)
{
SingleValueFactory asSingleValueFactory = obj as SingleValueFactory;
return(asSingleValueFactory != null &&
EqualsImplementationUtils.SafeEquals(_theValue, asSingleValueFactory._theValue));
}
/// <summary>
/// Determines whether the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>.
/// </summary>
/// <param name="obj">The <see cref="T:System.Object"/> to compare with the current <see cref="T:System.Object"/>.</param>
/// <returns>
/// true if the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>; otherwise, false.
/// </returns>
/// <exception cref="T:System.NullReferenceException">
/// The <paramref name="obj"/> parameter is null.
/// </exception>
public override bool Equals(object obj)
{
ValueFactoryWithOptionalConcreteValue asMyType = obj as ValueFactoryWithOptionalConcreteValue;
return(asMyType != null &&
_valueFactory.Equals(asMyType._valueFactory) &&
_isConcrete == asMyType._isConcrete &&
(_isConcrete ? EqualsImplementationUtils.SafeEquals(_value, asMyType._value) : true));
}
/// <summary>
/// Determines whether this vector and the specified second vector are equivalent.
/// </summary>
/// <param name="secondVector">The second vector.</param>
/// <returns>
/// <c>true</c> if the specified second vector is equivalent; otherwise, <c>false</c>.
/// </returns>
/// <remarks>
/// <para>
/// Two vectors are considered equivalent if they have the same dimensions
/// (dimensions are the same if they refer to the same physical objects),
/// and for each dimension, either the categories are equal or the values are equal.
/// </para>
/// <para>
/// This method is symmetric, transitive and reflexive (an equivalence relation).
/// </para>
/// </remarks>
public bool IsEquivalent(Vector secondVector)
{
if (secondVector == null)
{
return(false); // Mimic the recommended Object.Equals behavior
}
if (_dimensionValues.Count != secondVector._dimensionValues.Count)
{
return(false);
}
foreach (Dimension dimension in _dimensionValues.Keys)
{
if (!secondVector._dimensionValues.ContainsKey(dimension))
{
return(false);
}
if (_dimensionValues[dimension].IsConcrete && secondVector._dimensionValues[dimension].IsConcrete)
{
Vector asInnerFirstVector, asInnerSecondVector;
if ((asInnerFirstVector = _dimensionValues[dimension].GetConcreteValue() as Vector) != null &&
(asInnerSecondVector = secondVector._dimensionValues[dimension].GetConcreteValue() as Vector) != null)
{
if (!asInnerFirstVector.IsEquivalent(asInnerSecondVector))
{
return(false);
}
}
else if (!EqualsImplementationUtils.SafeEquals(_dimensionValues[dimension].GetConcreteValue(), secondVector._dimensionValues[dimension].GetConcreteValue()) &&
!_dimensionValues[dimension].ValueFactory.Equals(secondVector._dimensionValues[dimension].ValueFactory))
{
return(false);
}
}
else
{
if (!_dimensionValues[dimension].ValueFactory.Equals(secondVector._dimensionValues[dimension].ValueFactory))
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Serves as a hash function for a particular type.
/// </summary>
/// <returns>
/// A hash code for the current <see cref="T:System.Object"/>.
/// </returns>
public override int GetHashCode()
{
return(unchecked (_isConcrete.GetHashCode() + _valueFactory.GetHashCode() + EqualsImplementationUtils.GetSafeHashValue(_value)));
}
/// <summary>
/// Serves as a hash function for a particular type.
/// </summary>
/// <returns>
/// A hash code for the current <see cref="T:System.Object"/>.
/// </returns>
public override int GetHashCode()
{
return(EqualsImplementationUtils.GetSafeHashValue(_theValue));
}