@Override
public T evaluate(IExpressionContext<T> context) throws ExpressionEvaluationException {
T exprResult = operand.evaluate(context.populateContext());
IExpressionSupport<T> expressionSupport = context.getExpressionSupport();
switch (type) {
case NOT:
return expressionSupport.not(exprResult);
case IS_NULL:
return expressionSupport.isNull(exprResult);
case IS_NOT_NULL:
return expressionSupport.isNotNull(exprResult);
}
throw new ExpressionEvaluationException(
"Wrong expression type = [" + type + "] for unary expression.");
}
@Override
public T evaluate(IExpressionContext<T> context) throws ExpressionEvaluationException {
IExpressionSupport<T> expressionSupport = context.getExpressionSupport();
return expressionSupport.identifier(parentEntity, identifiedField, alias);
}