public void Attach(
EventType parentEventType,
StatementContext statementContext,
ViewFactory optionalParentFactory,
IList <ViewFactory> parentViewFactories)
{
var validated = ViewFactorySupport.Validate(
ViewName, parentEventType, statementContext, _viewParameters, true);
if (_viewParameters.Count != 2)
{
throw new ViewParameterException(ViewParamMessage);
}
if (!validated[0].ExprEvaluator.ReturnType.IsNumeric())
{
throw new ViewParameterException(ViewParamMessage);
}
_timestampExpression = validated[0];
_timestampExpressionEval = _timestampExpression.ExprEvaluator;
ViewFactorySupport.AssertReturnsNonConstant(ViewName, validated[0], 0);
_timeDeltaComputationFactory = ViewFactoryTimePeriodHelper.ValidateAndEvaluateTimeDeltaFactory(
ViewName, statementContext, _viewParameters[1], ViewParamMessage, 1);
_eventType = parentEventType;
}
public void Attach(EventType parentEventType, StatementContext statementContext, ViewFactory optionalParentFactory, IList <ViewFactory> parentViewFactories)
{
var windowName = ViewName;
var 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);
_timeDeltaComputationFactory = ViewFactoryTimePeriodHelper.ValidateAndEvaluateTimeDeltaFactory(ViewName, statementContext, _viewParameters[1], ViewParamMessage, 1);
// validate optional parameters
if (validated.Length == 3)
{
var constant = ViewFactorySupport.ValidateAndEvaluate(windowName, statementContext, validated[2]);
if ((!constant.IsNumber()) || constant.IsFloatingPointNumber())
{
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)
{
if (expressionParameters.Count != 1)
{
throw new ViewParameterException(ViewParamMessage);
}
_timeDeltaComputationFactory = ViewFactoryTimePeriodHelper.ValidateAndEvaluateTimeDeltaFactory(
ViewName, viewFactoryContext.StatementContext, expressionParameters[0], ViewParamMessage, 0);
}
