// Generate hash from Method and all args
private long GetCacheKey(BridgeContext context) {
HashCodeCombiner hasher = new HashCodeCombiner();
hasher.AddObject(context.BridgeUrl);
hasher.AddObject(context.ServiceRequest.Method);
ComputeHashCode(context.ServiceRequest.Args, hasher);
return hasher.CombinedHash;
}
// Need to recursively shred dictionaries collections, arrays
private void ComputeHashCode(object obj, HashCodeCombiner hasher) {
IDictionary dict = obj as IDictionary;
if (dict != null) {
foreach (object key in dict.Keys) {
hasher.AddObject(key);
ComputeHashCode(dict[key], hasher);
}
}
else {
IEnumerable en = obj as IEnumerable;
if ((en != null) && !(obj is string)) {
foreach (object o in en) {
ComputeHashCode(o, hasher);
}
}
else {
hasher.AddObject(obj);
}
}
}