public void Attach(EventType parentEventType, StatementContext statementContext, ViewFactory optionalParentFactory, IList <ViewFactory> parentViewFactories)
{
String windowName = ViewName;
ExprNode[] validated = ViewFactorySupport.Validate(windowName, parentEventType, statementContext, _viewParameters, true);
if (_viewParameters.Count < 2 || _viewParameters.Count > 3)
{
throw new ViewParameterException(ViewParamMessage);
}
// validate first parameter: timestamp expression
if (!validated[0].ExprEvaluator.ReturnType.IsNumeric())
{
throw new ViewParameterException(ViewParamMessage);
}
TimestampExpression = validated[0];
TimestampExpressionEval = TimestampExpression.ExprEvaluator;
ViewFactorySupport.AssertReturnsNonConstant(windowName, validated[0], 0);
TimeDeltaComputation = ViewFactoryTimePeriodHelper.ValidateAndEvaluateTimeDelta(ViewName, statementContext, _viewParameters[1], ViewParamMessage, 1);
// validate optional parameters
if (validated.Length == 3)
{
Object constant = ViewFactorySupport.ValidateAndEvaluate(windowName, statementContext, validated[2]);
if ((!constant.IsNumber()) || (TypeHelper.IsFloatingPointNumber(constant)))
{
throw new ViewParameterException("Externally-timed batch view requires a Long-typed reference point in msec as a third parameter");
}
OptionalReferencePoint = constant.AsLong();
}
this._eventType = parentEventType;
}
public void SetViewParameters(ViewFactoryContext viewFactoryContext, IList <ExprNode> expressionParameters)
{
IList <Object> viewParameters = ViewFactorySupport.ValidateAndEvaluate(ViewName, viewFactoryContext.StatementContext, expressionParameters);
if (viewParameters.Count != 1)
{
throw new ViewParameterException(ViewParamMessage);
}
Object parameter = viewParameters[0];
if (!(parameter.IsNumber()))
{
throw new ViewParameterException(ViewParamMessage);
}
var numParam = parameter;
if ((numParam.IsFloatingPointNumber()) ||
(numParam.IsLongNumber()))
{
throw new ViewParameterException(ViewParamMessage);
}
Size = numParam.AsInt();
if (Size <= 0)
{
throw new ViewParameterException(ViewName + " view requires a positive number");
}
}
public void SetViewParameters(ViewFactoryContext viewFactoryContext, IList <ExprNode> expressionParameters)
{
var viewParameters = new Object[expressionParameters.Count];
for (var i = 1; i < expressionParameters.Count; i++)
{
viewParameters[i] = ViewFactorySupport.ValidateAndEvaluate(
ViewName, viewFactoryContext.StatementContext, expressionParameters[i]);
}
var errorMessage = ViewName +
" view requires a numeric or time period parameter as a time interval size, and an integer parameter as a maximal number-of-events, and an optional list of control keywords as a string parameter (please see the documentation)";
if ((viewParameters.Length != 2) && (viewParameters.Length != 3))
{
throw new ViewParameterException(errorMessage);
}
TimeDeltaComputation = ViewFactoryTimePeriodHelper.ValidateAndEvaluateTimeDelta(
ViewName, viewFactoryContext.StatementContext, expressionParameters[0], errorMessage, 0);
// parameter 2
var parameter = viewParameters[1];
if (!(parameter.IsNumber()) || (TypeHelper.IsFloatingPointNumber(parameter)))
{
throw new ViewParameterException(errorMessage);
}
_numberOfEvents = parameter.AsLong();
if (viewParameters.Length > 2)
{
ProcessKeywords(viewParameters[2], errorMessage);
}
}
public void SetViewParameters(ViewFactoryContext viewFactoryContext, IList <ExprNode> expressionParameters)
{
if (expressionParameters.Count != 1)
{
throw new ViewParameterException("View requires a single parameter indicating unbound or not");
}
_isUnbound = (bool)ViewFactorySupport.ValidateAndEvaluate(ViewName, viewFactoryContext.StatementContext, expressionParameters[0]);
}
public void SetViewParameters(ViewFactoryContext viewFactoryContext, IList <ExprNode> expressionParameters)
{
IList <Object> viewParameters = ViewFactorySupport.ValidateAndEvaluate(ViewName, viewFactoryContext.StatementContext, expressionParameters);
if (viewParameters.IsNotEmpty())
{
String errorMessage = ViewName + " view does not take any parameters";
throw new ViewParameterException(errorMessage);
}
}
public void SetViewParameters(ViewFactoryContext viewFactoryContext, IList <ExprNode> expressionParameters)
{
var viewParameters = ViewFactorySupport.ValidateAndEvaluate(ViewName, viewFactoryContext.StatementContext, expressionParameters);
if (viewParameters.Count != 0)
{
String errorMessage = ViewName + " view requires an empty parameter list";
throw new ViewParameterException(errorMessage);
}
}
public void SetViewParameters(ViewFactoryContext viewFactoryContext, IList <ExprNode> expressionParameters)
{
if ((expressionParameters.Count < 1) || (expressionParameters.Count > 3))
{
throw new ViewParameterException(ViewParamMessage);
}
var viewParamValues = new Object[expressionParameters.Count];
for (int i = 1; i < viewParamValues.Length; i++)
{
viewParamValues[i] = ViewFactorySupport.ValidateAndEvaluate(
ViewName, viewFactoryContext.StatementContext, expressionParameters[i]);
}
TimeDeltaComputation = ViewFactoryTimePeriodHelper.ValidateAndEvaluateTimeDelta(
ViewName, viewFactoryContext.StatementContext, expressionParameters[0],
ViewParamMessage, 0);
if ((viewParamValues.Length == 2) && (viewParamValues[1] is String))
{
ProcessKeywords(viewParamValues[1], ViewParamMessage);
}
else
{
if (viewParamValues.Length >= 2)
{
Object paramRef = viewParamValues[1];
if ((!(paramRef.IsNumber())) || (paramRef.IsFloatingPointNumber()))
{
throw new ViewParameterException(
ViewName + " view requires a Long-typed reference point in msec as a second parameter");
}
OptionalReferencePoint = paramRef.AsLong();
}
if (viewParamValues.Length == 3)
{
ProcessKeywords(viewParamValues[2], ViewParamMessage);
}
}
}