/// <summary>
/// Constructs a OpcResult object.
/// </summary>
/// <param name="resultID">The code returned by a system function or OPC function. The code can be retrieved with the member function Code() and a description text can be retrieved with the member function <see cref="Description" />. </param>
/// <param name="eFuncType">Specifies the type of function which has returned the code. This parameter is used to create the code type which can be retrieved with the member function <see cref="Type" />. </param>
/// <param name="caller">Object which caused the error. Can be null</param>
/// <returns></returns>
internal OpcResult(OpcResult resultID, FuncCallType eFuncType, object caller)
{
_name = null;
_message = null;
_code = resultID.Code;
_caller = caller;
_type = CodeType.OpcSysCode;
if (eFuncType == FuncCallType.SysFuncCall)
{
_type = CodeType.SysCode; // System specific errror returned by a system function
}
else if ((((resultID.Code) >> 16) & 0x1fff) == 0x4)
{ // FACILITY_ITF 0x4
if (eFuncType == FuncCallType.DaFuncCall)
{
_type = CodeType.DaCode;
}
else
{
_type = CodeType.AeCode;
}
}
else
{
_type = CodeType.OpcSysCode; // System specific error returned by an OPC function
}
}
/// <summary>
/// Constructs a OpcResult object.
/// </summary>
/// <param name="resultId">The code returned by a system function or OPC function. The code can be retrieved with the member function Code() and a description text can be retrieved with the member function <see cref="Description" />. </param>
/// <param name="eFuncType">Specifies the type of function which has returned the code. This parameter is used to create the code type which can be retrieved with the member function <see cref="Type" />. </param>
/// <param name="caller">Object which caused the error. Can be null</param>
/// <returns></returns>
internal OpcResult(OpcResult resultId, FuncCallType eFuncType, object caller)
{
name_ = null;
message_ = null;
code_ = resultId.Code;
caller_ = caller;
type_ = CodeType.OpcSysCode;
if (eFuncType == FuncCallType.SysFuncCall)
{
type_ = CodeType.SysCode; // System specific error returned by a system function
}
else if ((((resultId.Code) >> 16) & 0x1fff) == 0x4)
{ // FACILITY_ITF 0x4
if (eFuncType == FuncCallType.DaFuncCall)
{
type_ = CodeType.DaCode;
}
else
{
type_ = CodeType.AeCode;
}
}
else
{
type_ = CodeType.OpcSysCode; // System specific error returned by an OPC function
}
}
/// <summary>
/// Returns the localized text for the specified result code.
/// </summary>
/// <param name="locale">The locale name in the format "[languagecode]-[country/regioncode]".</param>
/// <param name="resultId">The result code identifier.</param>
/// <returns>A message localized for the best match for the requested locale.</returns>
public virtual string GetErrorText(string locale, OpcResult resultId)
{
if (_server == null)
{
throw new OpcResultException(OpcResult.E_FAIL, "The server is not currently connected.");
}
return(_server.GetErrorText(locale ?? _locale, resultId));
}
/// <summary>
/// Initializes a result code with a general result code and a specific result code.
/// </summary>
internal OpcResult(OpcResult resultID, long code)
{
_name = resultID.Name;
if (code > Int32.MaxValue)
{
code = -(((long)UInt32.MaxValue) + 1 - code);
}
_code = (int)code;
_type = CodeType.OpcSysCode;
_caller = null;
_message = null;
}
/// <summary>
/// Initializes a result code with a general result code and a specific result code.
/// </summary>
internal OpcResult(OpcResult resultId, long code)
{
name_ = resultId.Name;
if (code > Int32.MaxValue)
{
code = -(((long)UInt32.MaxValue) + 1 - code);
}
code_ = (int)code;
type_ = CodeType.OpcSysCode;
caller_ = null;
message_ = null;
}
/// <summary>
/// Returns true if the target object is equal to the object.
/// </summary>
public override bool Equals(object target)
{
if (target != null && target.GetType() == typeof(OpcResult))
{
OpcResult resultID = (OpcResult)target;
// compare by integer if both specify valid integers.
if (resultID.Code != -1 && Code != -1)
{
return((resultID.Code == Code) && (resultID.Name == Name));
}
// compare by name if both specify valid names.
if (resultID.Name != null && Name != null)
{
return(resultID.Name == Name);
}
}
return(false);
}
/// <summary>
/// Initialize object with the specified OpcItem, result code and diagnostic info.
/// </summary>
public OpcItemResult(OpcItem item, OpcResult resultId, string diagnosticInfo)
: base(item)
{
Result = resultId;
DiagnosticInfo = diagnosticInfo;
}
/// <summary>
/// Initialize object with the specified OpcItem and result code.
/// </summary>
public OpcItemResult(OpcItem item, OpcResult resultId)
: base(item)
{
Result = resultId;
}
/// <summary>
/// Initialize object with the specified item name, result code and diagnostic info.
/// </summary>
public OpcItemResult(string itemName, OpcResult resultId, string diagnosticInfo)
: base(itemName)
{
Result = resultId;
DiagnosticInfo = diagnosticInfo;
}
/// <summary>
/// Initializes the object with the specified item name and result code.
/// </summary>
public OpcItemResult(string itemName, OpcResult resultId)
: base(itemName)
{
Result = resultId;
}
/// <remarks/>
public OpcResultException(OpcResult result, string message, Exception e) : base(message + ": " + result.ToString() + Environment.NewLine, e)
{
result_ = result;
}
/// <remarks/>
public OpcResultException(OpcResult result) : base(result.Description())
{
result_ = result;
}
