/// <summary>
/// Returns true if the status is bad or uncertain.
/// </summary>
/// <remarks>
/// Returns true if the status is bad or uncertain.
/// </remarks>
/// <param name="value">The value to check the quality of</param>
public static bool IsNotGood(DataValue value) {
if (value != null) {
return StatusCode.IsNotGood(value.m_statusCode);
}
return true;
}
/// <summary>
/// Returns true if the status is bad or uncertain.
/// </summary>
public static bool IsNotGood(ServiceResult status)
{
if (status != null)
{
return(StatusCode.IsNotGood(status.m_code));
}
return(true);
}
/// <summary>
/// Gets the value from the data value.
/// </summary>
/// <typeparam name="T">The type of object.</typeparam>
/// <param name="defaultValue">The default value to return if any error occurs.</param>
/// <returns>The value.</returns>
/// <remarks>
/// Does not throw exceptions; returns the caller provided value instead.
/// Extracts the body from an ExtensionObject value if it has the correct type.
/// Checks the StatusCode and returns an error if not Good.
/// </remarks>
public T GetValue<T>(T defaultValue) {
if (StatusCode.IsNotGood(this.StatusCode)) {
return defaultValue;
}
if (typeof(T).IsInstanceOfType(this.Value)) {
return (T) this.Value;
}
ExtensionObject extension = this.Value as ExtensionObject;
if (extension != null) {
if (typeof(T).IsInstanceOfType(extension.Body)) {
return (T) extension.Body;
}
}
return defaultValue;
}