internal virtual bool ExistsInFirst(TFirst value)
{
if (FirstToSecondDictionary.ContainsKey(value))
{
return(true);
}
return(false);
}
internal void AddValue(TFirst firstValue, TSecond secondValue)
{
FirstToSecondDictionary.Add(firstValue, secondValue);
if (!SecondToFirstDictionary.ContainsKey(secondValue))
{
SecondToFirstDictionary.Add(secondValue, firstValue);
}
}
// *******************************************************************
/// <summary>
/// This method indicates wether a value exists as a 1st relation.
/// </summary>
/// <param name="value">The value to use for the operation.</param>
/// <returns>true if the value exists; false otherwise.</returns>
public virtual bool ExistsInFirst(
TFirst value
)
{
// Validate the parameter before attempting to use it.
new Guard().ThrowIfNull(value, nameof(value));
// Does the value exist in the internal dictionary?
if (FirstToSecondDictionary.ContainsKey(value))
{
return(true);
}
// Not there.
return(false);
}
// *******************************************************************
// Public methods.
// *******************************************************************
#region Public methods
/// <summary>
/// This method adds a new relationship to the dictionary.
/// </summary>
/// <param name="firstValue">The 1st value in the relationship.</param>
/// <param name="secondValue">The 2nd value in the realtionship.</param>
public void AddValue(
TFirst firstValue,
TSecond secondValue
)
{
// Validate the parameters before attempting to use them.
new Guard().ThrowIfNull(firstValue, nameof(firstValue))
.ThrowIfNull(secondValue, nameof(secondValue));
// Add the relationship to the first dictionary.
FirstToSecondDictionary.Add(
firstValue,
secondValue
);
// Should we add the relationship to the second dictionary?
if (!SecondToFirstDictionary.ContainsKey(secondValue))
{
SecondToFirstDictionary.Add(
secondValue,
firstValue
);
}
}