/// <summary>
/// Creates a copy of the cube, excluding values whose keys have a matching key part value.
/// </summary>
/// <param name="keyPart">The dimension and key value of items to be removed.</param>
/// <returns>A new cube where the values matching the key part have been removed.</returns>
public Cube <TValue> Exclude(KeyPart keyPart)
{
if (keyPart == null)
{
throw new ArgumentNullException("keyPart");
}
if (!keyLookup.ContainsKey(keyPart.Dimension))
{
throw new ArgumentException("Cannot filter by a dimension that is not in the cube.", "dimension");
}
LookupBuilder <TValue> builder = new LookupBuilder <TValue>(keyLookup.Keys);
foreach (KeyValuePair <Key, TValue> pair in valueLookup)
{
if (!keyPart.Equals(pair.Key.GetKeyPart(keyPart.Dimension)))
{
builder.Add(pair.Key, pair.Value);
}
}
return(new Cube <TValue>(builder));
}
/// <summary>
/// Gets whether the given key is equal.
/// </summary>
/// <param name="other">The other key.</param>
/// <returns>True if obj is a Key and it represents the same key; otherwise, false.</returns>
public bool Equals(Key other)
{
if (other == null)
{
return(false);
}
foreach (KeyValuePair <Dimension, KeyPart> pair in keyParts)
{
Dimension dimension = pair.Key;
KeyPart keyPart = pair.Value;
if (!other.keyParts.ContainsKey(dimension))
{
return(false);
}
KeyPart otherKeyPart = other.keyParts[dimension];
if (!keyPart.Equals(otherKeyPart))
{
return(false);
}
}
return(true);
}
