/// <summary>
/// States whether or not this rule should apply the predefined value to the predefined property
/// The caller will handle aggregation if multiple rules
///
/// *Note
/// this need not be implemented if not supporting yes no classifiers
/// </summary>
/// <param name="property">The name of the property that this rule can modify</param>
/// <param name="Value">The value to set that will be applied to the property if applyValue is true</param>
/// <param name="applyValue">True if the caller should set Value to property, False if the caller should not set Value to property</param>
/// <param name="idRule">The id of the rule to process</param>
/// <param name="idPropDef">The id of the property definition that this rule can modify</param>
public void DoesPropertyValueApply(
string property,
string Value,
out bool applyValue,
Guid idRule,
Guid idPropDef
)
{
PowerShellRuleHoster rule = m_dictAllRules[idRule];
// run the powershell pipeline for this value
rule.StepPipeline(m_propertyBag);
// if the rule doesn't apply force the value to false
if (rule.RuleNoApply)
{
applyValue = false;
}
else
{
try
{
applyValue = (bool)rule.PropertyValue;
}
catch (Exception ex)
{
//Assuming this error is due to casting
String message = String.Format(CultureInfo.InvariantCulture,
"PowerShell Classifier for rule [{0}] and file [{1}], failed to convert the property recieved from powershell of type [{2}] and value [{3}] into the a boolean value for yes/no classification, with error [{4}]",
rule.RuleName,
m_propertyBag.VolumeName + m_propertyBag.RelativePath + "\\" + m_propertyBag.Name,
rule.PropertyValue.GetType().ToString(),
rule.PropertyValue.ToString(),
ex.Message);
m_propertyBag.AddMessage(message);
throw new COMException(message, ex.InnerException);
}
}
}
/// <summary>
/// Gets the value for the property and rule to apply
/// The caller will handle aggregating multiple values for a single property
///
/// *Note
/// This function need not be implemented if only supporting yes no classifiers
/// </summary>
/// <param name="property">The name of the property that this rule can modify</param>
/// <param name="Value">The value to set the property to</param>
/// <param name="idRule">The id of the rule to process</param>
/// <param name="idPropDef">The id of the definition that this rule can modify</param>
public void GetPropertyValueToApply(
string property,
out string Value,
Guid idRule,
Guid idPropDef
)
{
PowerShellRuleHoster rule = m_dictAllRules[idRule];
// run the powershell script over the propertyBag
rule.StepPipeline(m_propertyBag);
// If the rule does not modify the property value throw an error that specifies this
// You must specify the HR that is being specified below if you wish to not modify the rule's value
if (rule.RuleNoApply)
{
throw new COMException("Value does not apply", FSRM_E_NO_PROPERTY_VALUE); //, FSRM_E_NO_PROPERTY_VALUE);
}
//convert the powershell value into the approrpiate value
try
{
IFsrmPropertyDefinition propertyDefinition = m_dictAllProperties[idPropDef];
if (propertyDefinition.Type == _FsrmPropertyDefinitionType.FsrmPropertyDefinitionType_Bool)
{
//convert from true/false to "1","0"
Value = (bool)rule.PropertyValue ? "1" : "0";
}
else if (propertyDefinition.Type == _FsrmPropertyDefinitionType.FsrmPropertyDefinitionType_Date)
{
// convert from datetime to str
DateTime time = (DateTime)rule.PropertyValue;
long filetime = time.ToFileTimeUtc();
Value = filetime.ToString(CultureInfo.InvariantCulture);
}
else if (propertyDefinition.Type == _FsrmPropertyDefinitionType.FsrmPropertyDefinitionType_Int)
{
Value = rule.PropertyValue.ToString();
}
else
{
Value = (string)rule.PropertyValue;
}
}
catch (Exception ex)
{
String message = "";
if (rule.PropertyValue == null)
{
message = String.Format(CultureInfo.InvariantCulture,
"PowerShell Classifier for rule [{0}] and file [{1}], received null value from powershell, with error [{2}]",
rule.RuleName,
m_propertyBag.VolumeName + m_propertyBag.RelativePath + "\\" + m_propertyBag.Name,
ex.Message);
}
else
{
//Assuming this error is due to casting
message = String.Format(CultureInfo.InvariantCulture,
"PowerShell Classifier for rule [{0}] and file [{1}], failed to convert the property recieved from powershell of type [{2}] and value [{3}] into the property [{4}], with error [{5}]",
rule.RuleName,
m_propertyBag.VolumeName + m_propertyBag.RelativePath + "\\" + m_propertyBag.Name,
rule.PropertyValue.GetType().ToString(),
rule.PropertyValue.ToString(),
property,
ex.Message);
}
m_propertyBag.AddMessage(message);
throw new COMException(message, ex.InnerException);
}
}