/// <summary>
/// Intercepts the specified invocation.
/// </summary>
/// <param name="invocation">The invocation.</param>
public void Intercept(IInvocation invocation)
{
var result = invocation.Method.Invoke(_evaluator, invocation.Arguments);
invocation.ReturnValue = result;
if (invocation.Method == TargetEvaluate)
{
if (AuditPath.IsAuditEnabled)
{
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.EXPRESSION,
"expression " + _expressionToString + " result " + result);
}
}
else if (invocation.Method == TargetEvaluateCollEvents)
{
if (AuditPath.IsAuditEnabled)
{
var resultBeans = (ICollection <EventBean>)result;
var @out = "null";
if (resultBeans != null)
{
if (resultBeans.IsEmpty())
{
@out = "{}";
}
else
{
var buf = new StringWriter();
var count = 0;
foreach (EventBean theEvent in resultBeans)
{
buf.Write(" Event ");
buf.Write(Convert.ToString(count++));
buf.Write(":");
EventBeanUtility.AppendEvent(buf, theEvent);
}
@out = buf.ToString();
}
}
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.EXPRESSION, "expression " + _expressionToString + " result " + @out);
}
}
else if (invocation.Method == TargetEvaluateCollScalar)
{
if (AuditPath.IsAuditEnabled)
{
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.EXPRESSION, "expression " + _expressionToString + " result " + result);
}
}
else if (invocation.Method == TargetEvaluateBean)
{
if (AuditPath.IsAuditEnabled)
{
var @out = "null";
if (result != null)
{
var buf = new StringWriter();
EventBeanUtility.AppendEvent(buf, (EventBean)result);
@out = buf.ToString();
}
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.EXPRESSION, "expression " + _expressionToString + " result " + @out);
}
}
}