public FeelEngineImpl(IFeelToJuelTransform transform, ExpressionFactory expressionFactory, IElContextFactory elContextFactory, ICache <TransformExpressionCacheKey, string> transformExpressionCache)
{
this.transform = transform;
this.expressionFactory = expressionFactory;
this.elContextFactory = elContextFactory;
this.transformExpressionCache = transformExpressionCache;
}
public virtual string Transform(IFeelToJuelTransform transform, string feelExpression, string inputName)
{
string simplePositiveUnaryTests = this.ExtractInnerExpression(feelExpression);
string juelExpression = transform.TransformSimplePositiveUnaryTests(simplePositiveUnaryTests, inputName);
return("not(" + juelExpression + ")");
}
protected internal virtual IFeelEngine CreateFeelEngine()
{
IFeelToJuelTransform transform = this.CreateFeelToJuelTransform();
ExpressionFactory expressionFactory = this.CreateExpressionFactory();
IElContextFactory elContextFactory = this.CreateElContextFactory();
ICache <TransformExpressionCacheKey, string> transformExpressionCache = this.CreateTransformExpressionCache();
return(new FeelEngineImpl(transform, expressionFactory, elContextFactory, transformExpressionCache));
}
public String TransformInterval(IFeelToJuelTransform transform, String startIntervalSymbol, String lowerEndpoint, String upperEndpoint, String stopIntervalSymbol, String inputName)
{
String juelLowerEndpoint = transform.TransformEndpoint(lowerEndpoint, inputName);
String juelUpperEndpoint = transform.TransformEndpoint(upperEndpoint, inputName);
String lowerEndpointComparator = this.transformLowerEndpointComparator(startIntervalSymbol);
String upperEndpointComparator = this.transformUpperEndpointComparator(stopIntervalSymbol);
return(String.Format("{0} {1} {2} && {3} {4} {5}", inputName, lowerEndpointComparator, juelLowerEndpoint, inputName, upperEndpointComparator, juelUpperEndpoint));
}
public String Transform(IFeelToJuelTransform transform, String feelExpression, String inputName)
{
//Matcher matcher = INTERVAL_PATTERN.matcher(feelExpression);
var matcher = INTERVAL_PATTERN.Match(feelExpression);
if (matcher.Success)
{
return(this.TransformInterval(transform, matcher.Groups[1].Value, matcher.Groups[2].Value, matcher.Groups[3].Value, matcher.Groups[4].Value, inputName));
}
else
{
throw LOG.invalidIntervalExpression(feelExpression);
}
}
public String Transform(IFeelToJuelTransform transform, String feelExpression, String inputName)
{
//Matcher matcher = COMPARISON_PATTERN.matcher(feelExpression);
var matcher = COMPARISON_PATTERN.Match(feelExpression);
if (matcher.Success)
{
return(this.TransformComparison(transform, matcher.Groups[1].Value, matcher.Groups[2].Value, inputName));
}
else
{
throw LOG.invalidComparisonExpression(feelExpression);
}
}
protected List <String> TransformExpressions(IFeelToJuelTransform transform, String feelExpression, String inputName)
{
List <String> expressions = this.CollectExpressions(feelExpression);
List <String> juelExpressions = new List <string>();
//Iterator i$ = expressions.iterator();
var i = expressions.GetEnumerator();
while (i.MoveNext()) // hasNext()) {
{
String expression = (String)i.Current; //.next();
if (string.IsNullOrEmpty(expression.Trim())) //.IsEmpty())
{
throw LOG.invalidListExpression(feelExpression);
}
String juelExpression = transform.TransformSimplePositiveUnaryTest(expression, inputName);
juelExpressions.Add(juelExpression);
}
return(juelExpressions);
}
public String Transform(IFeelToJuelTransform transform, String feelExpression, String inputName)
{
var matcher = DATE_AND_TIME_PATTERN.Match(feelExpression);
return(matcher.Success ? "dateAndTime(" + matcher.Groups[1].Value + ")" : feelExpression);
}
public String Transform(IFeelToJuelTransform transform, String feelExpression, String inputName)
{
String juelEndpoint = transform.TransformEndpoint(feelExpression, inputName);
return(String.Format("{0} == {1}", inputName, juelEndpoint));
}
public string Transform(IFeelToJuelTransform transform, string feelExpression, string inputName)
{
List <string> juelExpressions = this.TransformExpressions(transform, feelExpression, inputName);
return(this.JoinExpressions(juelExpressions));
}
protected String TransformComparison(IFeelToJuelTransform transform, String op, String endpoint, String inputName)
{
String juelEndpoint = transform.TransformEndpoint(endpoint, inputName);
return(String.Format("{0} {1} {2}", inputName, op, juelEndpoint));
}
public string Transform(IFeelToJuelTransform transform, string feelExpression, string inputName)
{
return("true");
}