// ----- method overrides ------------------------------------
/// <summary>
/// Return the deserialized value which this IPofValue
/// represents.
/// </summary>
/// <param name="typeId">
/// The required Pof type of the returned value or
/// <see cref="PofConstants.T_UNKNOWN"/> if the type is to be
/// inferred from the serialized state.
/// </param>
/// <returns>
/// The deserialized value.
/// </returns>
/// <exception cref="InvalidCastException">
/// If the value is incompatible with the specified type.
/// </exception>
public override object GetValue(int typeId)
{
object value = m_oValue;
if (value == null)
{
// Return default value for primitives that have been
// optimized out of the serialized binary.
switch (typeId)
{
case PofConstants.T_INT16:
return((short)0);
case PofConstants.T_INT32:
return(0);
case PofConstants.T_INT64:
return(0L);
case PofConstants.T_FLOAT32:
return((float)0);
case PofConstants.T_FLOAT64:
return((double)0);
case PofConstants.T_BOOLEAN:
return(false);
case PofConstants.T_OCTET:
return((byte)0);
case PofConstants.T_CHAR:
return((char)0);
default:
return(null);
}
}
return(PofReflectionHelper.EnsureType(value, typeId, PofContext));
}
/// <summary>
/// Return the deserialized value which this IPofValue
/// represents.
/// </summary>
/// <param name="typeId">
/// PofType expected as a result.
/// </param>
/// <returns>
/// The deserialized value.
/// </returns>
public virtual object ReadValue(int typeId)
{
// Prevent promotion of null to an intrinsic default value.
if (PofValue.TypeId == PofConstants.V_REFERENCE_NULL)
{
return(ReadValue());
}
if (PofValue.IsUniformEncoded)
{
return(base.ReadAsObject(typeId));
}
switch (typeId)
{
// Return pof "small" values as the specified type
// because the serialized form has lost knowledge of
// the original type.
case PofConstants.T_INT16:
return(ReadInt16(0));
case PofConstants.T_INT32:
return(ReadInt32(0));
case PofConstants.T_INT64:
return(ReadInt64(0));
case PofConstants.T_FLOAT32:
return(ReadSingle(0));
case PofConstants.T_FLOAT64:
return(ReadDouble(0));
case PofConstants.T_BOOLEAN:
return(ReadBoolean(0));
case PofConstants.T_OCTET:
return(ReadByte(0));
case PofConstants.T_CHAR:
return(ReadChar(0));
case PofConstants.T_UNKNOWN:
return(ReadValue());
case PofConstants.T_DATE:
return(ReadDate(0));
case PofConstants.T_ARRAY:
case PofConstants.T_UNIFORM_ARRAY:
case PofConstants.T_UNIFORM_SPARSE_ARRAY:
object o = ReadValue();
if (!o.GetType().IsArray&& !(o is LongSortedList))
{
throw new InvalidCastException(o.GetType().FullName + "is not an array");
}
return(o);
default:
return(PofReflectionHelper.EnsureType(ReadValue(), typeId, PofContext));
}
}
