public void setViewParameters(
ViewFactoryContext viewFactoryContext, List<ExprNode> expressionParameters)
throws ViewParameterException {
List<Object> viewParameters =
ViewFactorySupport.validateAndEvaluate(
"Time batch view", viewFactoryContext.getStatementContext(), expressionParameters);
String errorMessage =
"Time batch view requires a single numeric or time period parameter, and an optional long-typed reference point in msec, and an optional list of control keywords as a string parameter (please see the documentation)";
if ((viewParameters.size() < 1) || (viewParameters.size() > 3)) {
throw new ViewParameterException(errorMessage);
}
processExpiry(
viewParameters.get(0), errorMessage, "Time batch view requires a size of at least 1 msec");
if ((viewParameters.size() == 2) && (viewParameters.get(1) instanceof String)) {
processKeywords(viewParameters.get(1), errorMessage);
} else {
if (viewParameters.size() >= 2) {
Object paramRef = viewParameters.get(1);
if ((!(paramRef instanceof Number))
|| (JavaClassHelper.isFloatingPointNumber((Number) paramRef))) {
throw new ViewParameterException(
"Time batch view requires a Long-typed reference point in msec as a second parameter");
}
optionalReferencePoint = ((Number) paramRef).longValue();
}
if (viewParameters.size() == 3) {
processKeywords(viewParameters.get(2), errorMessage);
}
}
}
/**
* Process view expiry parameter
*
* @param parameter the parameter to parse
* @param errorMessage error text
* @param errorMessage2 error text
* @throws ViewParameterException if validation failed
*/
protected void processExpiry(Object parameter, String errorMessage, String errorMessage2)
throws ViewParameterException {
if (!(parameter instanceof Number)) {
throw new ViewParameterException(errorMessage);
} else {
Number param = (Number) parameter;
if (JavaClassHelper.isFloatingPointNumber(param)) {
millisecondsBeforeExpiry = Math.round(1000d * param.doubleValue());
} else {
millisecondsBeforeExpiry = 1000 * param.longValue();
}
}
if (millisecondsBeforeExpiry < 1) {
throw new ViewParameterException(errorMessage2);
}
}
