/// <summary>
/// Compares two StreamStoreConsolidatedKey objects and returns a value indicating whether one is less than, equal to, or greater than the other.
/// </summary>
/// <returns>
/// A signed integer that indicates the relative values of <paramref name="x"/> and <paramref name="y"/>, as shown in the following table.
/// Value Meaning Less than zero<paramref name="x"/> is less than <paramref name="y"/>.
/// Zero<paramref name="x"/> equals <paramref name="y"/>.
/// Greater than zero<paramref name="x"/> is greater than <paramref name="y"/>.
/// </returns>
/// <param name="x">The first StreamStoreConsolidatedKey object to compare.</param>
/// <param name="y">The second StreamStoreConsolidatedKey object to compare.</param>
public int Compare(StreamStoreConsolidatedKey x, StreamStoreConsolidatedKey y)
{
// Comparison when x == null.
if (null == x)
{
return(null == y ? 0 : 1);
}
// Comparision when y == null.
if (null == y)
{
return(-1);
}
// x !null and y !null,
// Check the Store Kind
var kindCompare = x.StoreKind.CompareTo(y.StoreKind);
// if they are same kind and then check individual store key objects.
if (0 == kindCompare)
{
if (x.StoreKind == StreamStoreKind.MessageStore)
{
var messageKeyComparercomparer = new StreamStoreMessageKeyComparer();
return(messageKeyComparercomparer.Compare(x.MessageKey, y.MessageKey));
}
if (x.StoreKind == StreamStoreKind.MetadataStore)
{
var metadataKeyComparercomparer = new StreamMetadataKeyComparer();
return(metadataKeyComparercomparer.Compare(x.MetadataKey, y.MetadataKey));
}
var nameKeyComparercomparer = new StreamNameKeyComparer();
return(nameKeyComparercomparer.Compare(x.NameKey, y.NameKey));
}
// Not the same kind
return(kindCompare);
}
/// <summary>
/// Returns a hash code for the specified StreamStoreConsolidatedKey object.
/// </summary>
/// <returns>
/// A hash code for the specified StreamStoreConsolidatedKey object.
/// </returns>
/// <param name="obj">The <see cref="StreamMetadataKey"/> for which a hash code is to be returned.</param>
/// <exception cref="System.ArgumentNullException">The type of <paramref name="obj"/> is a reference type and <paramref name="obj"/> is null.</exception>
public int GetHashCode(StreamStoreConsolidatedKey obj)
{
var kindCode = obj.StoreKind.GetHashCode();
int keyCode;
if (obj.StoreKind == StreamStoreKind.MessageStore)
{
var messageKeyComparer = new StreamStoreMessageKeyComparer();
keyCode = messageKeyComparer.GetHashCode(obj.MessageKey);
}
else if (obj.StoreKind == StreamStoreKind.MetadataStore)
{
var streamMetadataKeyComparer = new StreamMetadataKeyComparer();
keyCode = streamMetadataKeyComparer.GetHashCode(obj.MetadataKey);
}
else
{
var streamNameKeyComparer = new StreamNameKeyComparer();
keyCode = streamNameKeyComparer.GetHashCode(obj.NameKey);
}
return(kindCode ^ keyCode);
}
