/// <summary>
/// Determines semantic equality of this instance with another
/// </summary>
public override BL SemanticEquals(IAny other)
{
if (other == null)
{
return(null);
}
else if (this.IsNull && other.IsNull)
{
return new BL()
{
NullFlavor = NullFlavorUtil.GetCommonParent(this.NullFlavor, other.NullFlavor)
}
}
;
else if (this.IsNull ^ other.IsNull)
{
return new BL()
{
NullFlavor = DataTypes.NullFlavor.NotApplicable
}
}
;
else if (!(other is ICodedSimple))
{
return(false);
}
return(!this.IsNull && !(other as ANY).IsNull && this.Code != null && (other as ICodedSimple).CodeValue != null && Util.ToWireFormat(this.Code).Equals(Util.ToWireFormat((other as ICodedSimple).CodeValue)));
}
/// <summary>
/// Compares this instance of ANY with another
/// </summary>
/// <param name="other">The other <see cref="T:MARC.Everest.Datatypes.ANY"/> to comapre</param>
/// <returns>True if this instance and <paramref name="other"/> are semantically equal</returns>
/// <remarks>Since the semantic equals method uses the native boolean type for its implementation, the following alterations have been made
/// to the equality rules:
/// <list type="number">
/// <item><description>If <paramref name="other"/> is null the result is null</description></item>
/// <item><description>If <paramref name="other"/> has a nullFlavor or this instance has a nullflavor the result is a BL with a nullFlavor of NA (as per 7.1.4 of reference guide) or the most common null flavor between the two. </description></item>
/// <item><description>If <paramref name="other"/>'s data type does not equal this instance's data type the result is false</description></item>
/// <item><description>If <paramref name="other"/> and this instance have a null flavor, the common anscestor </description></item>
/// </list>
/// </para></remarks>
public virtual BL SemanticEquals(IAny other)
{
if (other == null)
{
return(null);
}
else if (this.IsNull && other.IsNull)
{
return new BL()
{
NullFlavor = NullFlavorUtil.GetCommonParent(this.NullFlavor, other.NullFlavor)
}
}
;
else if (this.IsNull ^ other.IsNull)
{
return new BL()
{
NullFlavor = DataTypes.NullFlavor.NotApplicable
}
}
;
// Have the same type
bool isEqual = other.DataType == this.DataType;
return(isEqual);
}
public BL And(BL b1)
{
if (this.IsNull && b1.IsNull)
{
return new BL()
{
NullFlavor = NullFlavorUtil.GetCommonParent(this.NullFlavor, b1.NullFlavor)
}
}
;
// Truth table
// b1 > f t n
// f f f f
// t f t n
// n f n n
bool?[][] truth = new bool?[][] {
new bool?[] { false, false, false },
new bool?[] { false, true, null },
new bool?[] { false, null, null }
};
int tx = this.Value == null ? 2 : Math.Abs(Convert.ToInt16(this.Value));
int ty = b1 == null || b1.Value == null ? 2 : Math.Abs(Convert.ToInt16(b1.Value));
// New value
BL retVal = new BL();
retVal.Value = truth[tx][ty];
if (retVal.Value == null)
{
retVal.NullFlavor = new CS <NullFlavor>(DataTypes.NullFlavor.NotApplicable);
}
return(retVal);
}
/// <summary>
/// Determine semantic equality to a coded simple
/// </summary>
public override BL SemanticEquals(IAny other)
{
if (other == null)
{
return(null);
}
else if (this.IsNull && other.IsNull)
{
return new BL()
{
NullFlavor = NullFlavorUtil.GetCommonParent(this.NullFlavor, other.NullFlavor)
}
}
;
else if (this.IsNull ^ other.IsNull)
{
return new BL()
{
NullFlavor = DataTypes.NullFlavor.NotApplicable
}
}
;
else if (other is CO)
{
CO otherCo = other as CO;
if (this.Code == null || otherCo.Code == null)
{
return(false);
}
return(this.Code.SemanticEquals(otherCo.Code));
}
else if (other is ICodedSimple && this.Code != null)
{
return(this.Code.SemanticEquals(other));
}
else
{
return(false);
}
}
/// <summary>
/// Semantic equals
/// </summary>
public override BL SemanticEquals(IAny other)
{
if (other == null)
{
return(null);
}
else if (this.IsNull && other.IsNull)
{
return new BL()
{
NullFlavor = NullFlavorUtil.GetCommonParent(this.NullFlavor, other.NullFlavor)
}
}
;
else if (this.IsNull ^ other.IsNull)
{
return new BL()
{
NullFlavor = DataTypes.NullFlavor.NotApplicable
}
}
;
ST otherSt = other as ST;
if (otherSt != null)
{
return(otherSt.Value != null?otherSt.Value.Equals(this.Value) : this.Value == null);
}
ED otherEd = other as ED; // ST may also be equal to ED when value is text/plain
if (otherEd.MediaType == "text/plain")
{
return(otherEd.Value != null?otherEd.Value.Equals(this.Value) : this.Value == null);
}
return(false);
}
}
/// <summary>
/// Gets a common ancestor
/// </summary>
public static NullFlavor GetCommonParent(this CS <NullFlavor> a, CS <NullFlavor> other)
{
return(NullFlavorUtil.GetCommonParent((NullFlavor)a, (NullFlavor)other));
}