public override Dictionary <TKey, TValue> ConvertFromInternal(object value)
{
if (value is byte[])
{
var components = new Dictionary <TKey, TValue>();
var keyTypeHint = typeof(TKey);
var valueTypeHint = typeof(TValue);
using (var bytes = new MemoryStream((byte[])value))
{
// number of key / value pairs
var numEntriesBytes = new byte[2];
if (bytes.Read(numEntriesBytes, 0, 2) <= 0)
{
return(components);
}
var nEntries = BitConverter.ToUInt16(numEntriesBytes, 0);
for (var i = 0; i < nEntries; i++)
{
//get the length of the key
var keyLengthBytes = new byte[2];
bytes.Read(keyLengthBytes, 0, 2);
var keyLength = BitConverter.ToUInt16(keyLengthBytes, 0);
//read the content of the key into a buffer
var keyBuffer = new byte[keyLength];
bytes.Read(keyBuffer, 0, keyLength);
var entryKey = CassandraObject.GetCassandraObjectFromDatabaseByteArray(keyBuffer, keyTypeHint);
//get the length of the value
var valueLengthBytes = new byte[2];
bytes.Read(valueLengthBytes, 0, 2);
var valueLength = BitConverter.ToUInt16(valueLengthBytes, 0);
//read the content of the key into a buffer
var valueBuffer = new byte[valueLength];
bytes.Read(valueBuffer, 0, valueLength);
var entryValue = CassandraObject.GetCassandraObjectFromDatabaseByteArray(valueBuffer, valueTypeHint);
components.Add((TKey)entryKey, (TValue)entryValue);
}
}
return(components);
}
if (value.GetType().GetInterfaces().Contains(typeof(IEnumerable <object>)))
{
return(new Dictionary <TKey, TValue>(((IEnumerable <object>)value).Cast <KeyValuePair <TKey, TValue> >().ToDictionary(k => k.Key, v => v.Value)));
}
if (value.GetType().GetInterfaces().Contains(typeof(IEnumerable <KeyValuePair <TKey, TValue> >)))
{
return(new Dictionary <TKey, TValue>(((IEnumerable <KeyValuePair <TKey, TValue> >)value).ToDictionary(k => k.Key, v => v.Value)));
}
return(null);
}
public override Dictionary <TKey, TValue> FromBigEndian(byte[] value)
{
var components = new Dictionary <TKey, TValue>();
var keyTypeHint = typeof(TKey);
var valueTypeHint = typeof(TValue);
if (value == null)
{
return(components);
}
using (var bytes = new MemoryStream((byte[])value))
{
// number of key / value pairs
var numEntriesBytes = new byte[2];
if (bytes.Read(numEntriesBytes, 0, 2) <= 0)
{
return(components);
}
var nEntries = BitConverter.ToUInt16(ConvertEndian(numEntriesBytes), 0);
for (var i = 0; i < nEntries; i++)
{
//get the length of the key
var keyLengthBytes = new byte[2];
bytes.Read(keyLengthBytes, 0, 2);
var keyLength = BitConverter.ToUInt16(ConvertEndian(keyLengthBytes), 0);
//read the content of the key into a buffer
var keyBuffer = new byte[keyLength];
bytes.Read(keyBuffer, 0, keyLength);
var entryKey = CassandraObject.GetCassandraObjectFromDatabaseByteArray(keyBuffer, keyTypeHint);
//get the length of the value
var valueLengthBytes = new byte[2];
bytes.Read(valueLengthBytes, 0, 2);
var valueLength = BitConverter.ToUInt16(ConvertEndian(valueLengthBytes), 0);
//read the content of the key into a buffer
var valueBuffer = new byte[valueLength];
bytes.Read(valueBuffer, 0, valueLength);
var entryValue = CassandraObject.GetCassandraObjectFromDatabaseByteArray(valueBuffer, valueTypeHint);
components.Add((TKey)entryKey, (TValue)entryValue);
}
}
return(components);
}
public override List <T> ConvertFromInternal(object value)
{
if (value is byte[])
{
var components = new List <T>();
var typeHint = typeof(T);
using (var bytes = new MemoryStream((byte[])value))
{
// number of elements
var numElementsBytes = new byte[2];
if (bytes.Read(numElementsBytes, 0, 2) <= 0)
{
return(components);
}
var nElements = BitConverter.ToUInt16(numElementsBytes, 0);
for (var i = 0; i < nElements; i++)
{
//get the length of this element
var elementLengthBytes = new byte[2];
bytes.Read(elementLengthBytes, 0, 2);
var elementLength = BitConverter.ToUInt16(elementLengthBytes, 0);
//read the content of the element into a buffer
var buffer = new byte[elementLength];
bytes.Read(buffer, 0, elementLength);
var component = CassandraObject.GetCassandraObjectFromDatabaseByteArray(buffer, typeHint);
components.Add((T)component);
}
}
return(components);
}
if (value.GetType().GetInterfaces().Contains(typeof(IEnumerable <object>)))
{
return(new List <T>(((IEnumerable <object>)value).Cast <T>()));
}
if (value.GetType().GetInterfaces().Contains(typeof(IEnumerable <T>)))
{
return(new List <T>((IEnumerable <T>)value));
}
return(null);
}
public override List <T> FromBigEndian(byte[] value)
{
var components = new List <T>();
var typeHint = typeof(T);
if (value == null)
{
return(components);
}
using (var bytes = new MemoryStream(value))
{
// number of elements
var numElementsBytes = new byte[2];
if (bytes.Read(numElementsBytes, 0, 2) <= 0)
{
return(components);
}
var nElements = BitConverter.ToUInt16(ConvertEndian(numElementsBytes), 0);
for (var i = 0; i < nElements; i++)
{
//get the length of this element
var elementLengthBytes = new byte[2];
bytes.Read(elementLengthBytes, 0, 2);
var elementLength = BitConverter.ToUInt16(ConvertEndian(elementLengthBytes), 0);
//read the content of the element into a buffer
var buffer = new byte[elementLength];
bytes.Read(buffer, 0, elementLength);
var component = CassandraObject.GetCassandraObjectFromDatabaseByteArray(buffer, typeHint);
components.Add((T)component);
}
}
return(components);
}
