@SuppressWarnings({"unchecked"})
public String renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext) {
// some drivers/servers do not like parameters in the select clause
final ValueHandlerFactory.ValueHandler handler =
ValueHandlerFactory.determineAppropriateHandler(literal.getClass());
if (ValueHandlerFactory.isCharacter(literal)) {
return '\'' + handler.render(literal) + '\'';
} else {
return handler.render(literal);
}
}
@Override
@SuppressWarnings({"unchecked"})
protected void resetJavaType(Class targetType) {
super.resetJavaType(targetType);
ValueHandlerFactory.ValueHandler valueHandler = getValueHandler();
if (valueHandler == null) {
valueHandler = ValueHandlerFactory.determineAppropriateHandler(targetType);
forceConversion(valueHandler);
}
if (valueHandler != null) {
literal = valueHandler.convert(literal);
}
}
@Override
public Object transformTuple(Object[] tuple, String[] aliases) {
final Object[] valueHandlerResult;
if (valueHandlers == null) {
valueHandlerResult = tuple;
} else {
valueHandlerResult = new Object[tuple.length];
for (int i = 0; i < tuple.length; i++) {
ValueHandlerFactory.ValueHandler valueHandler = valueHandlers.get(i);
valueHandlerResult[i] = valueHandler == null ? tuple[i] : valueHandler.convert(tuple[i]);
}
}
return tupleElements == null
? valueHandlerResult.length == 1 ? valueHandlerResult[0] : valueHandlerResult
: new TupleImpl(tuple);
}
