Add a Create() method for HashKernelReturnValue.

Author: mattlorimor

ProbabilisticDataStructures/ProbabilisticDataStructures.cs

@@ -44,16 +44,15 @@ public static uint OptimalK(double fpRate)
  /// <param name="data">The data bytes to hash.</param>
  /// <param name="algorithm">The hashing algorithm to use.</param>
  /// <returns>A HashKernel</returns>
- public static HashKernel HashKernel(byte[] data, HashAlgorithm algorithm)
+ public static HashKernelReturnValue HashKernel(byte[] data, HashAlgorithm algorithm)
  {
  var hash = new Hash(algorithm);
  hash.ComputeHash(data);
  var sum = hash.Sum();
- return new HashKernel
- {
- LowerBaseHash = ToBigEndianUInt32(sum.Skip(4).Take(4).ToArray()),
- UpperBaseHash = ToBigEndianUInt32(sum.Take(4).ToArray())
- };
+ return HashKernelReturnValue.Create(
+ ToBigEndianUInt32(sum.Skip(4).Take(4).ToArray()),
+ ToBigEndianUInt32(sum.Take(4).ToArray())
+ );
  }
 
  public static uint ToBigEndianUInt32(byte[] bytes)
@@ -66,9 +65,18 @@ public static uint ToBigEndianUInt32(byte[] bytes)
  }
  }
 
- public struct HashKernel
+ public struct HashKernelReturnValue
  {
- public uint UpperBaseHash;
- public uint LowerBaseHash;
+ public uint UpperBaseHash { get; private set; }
+ public uint LowerBaseHash { get; private set; }
+
+ public static HashKernelReturnValue Create(uint lowerBaseHash, uint upperBaseHash)
+ {
+ return new HashKernelReturnValue
+ {
+ UpperBaseHash = upperBaseHash,
+ LowerBaseHash = lowerBaseHash
+ };
+ }
  }
 }