Questions tagged [compile-static]
18 questions
27
votes
1 answer
Groovy - as vs (cast)
Is there any practical difference between the following two approaches to casting:
result.count = (int) response['hits']['total']
vs
result.count = response['hits']['total'] as int
I'm using @CompileStatic and the compiler is wanting me to do the…
Kong
- 8,792
- 15
- 68
- 98
13
votes
2 answers
Should I use Groovy's @CompileStatic if I'm also using Java 7
I've read through the "What's new in Groovy 2.0" and I'm a bit confused about when to use @CompileStatic. The article mentions that the @CompileStatic annotation was added for developers who weren't able to take advantage of the invoke dynamic part…
Scott
- 16,711
- 14
- 75
- 120
4
votes
1 answer
Groovy 2.1.0 weird behaviour of switch-case-break statement with @CompileStatic
I'm novice groovy programmer, and I faced weird behaviour of switch-case-break statement with static compilation (@CompileStaticannotation). It seems that breaks are ignored.
Is it a bug or I've missed something while reading…
Igor Kovalchuk
- 41
- 2
3
votes
1 answer
Error when referencing an attribute of type Map inside a closure
In the following code segment, why does the compiler complain about the map attribute but not other types of attributes:
import groovy.transform.CompileStatic
@CompileStatic
class TestMapInClosure {
Map amap = [:]
List alist = []
…
Basel Shishani
- 7,735
- 6
- 50
- 67
2
votes
1 answer
Chance for this hole in Groovy staic typing to be fixed
When I run the following Groovy snippet, it prints ",a,b,c" as expected:
@CompileStatic
public static void main(String[] args) {
def inList = ["a", "b", "c"]
def outList = inList.inject("", { a, b -> a + "," + b })
…
OlliP
- 1,545
- 11
- 22
2
votes
0 answers
Calling a closure from another when using @CompileStatic
When implicit calling a closure from another closure under @CompileStatic, the caller somehow goes into a recursive loop. Can you spot an issue with the code, or is this an issue with Groovy:
import…
Basel Shishani
- 7,735
- 6
- 50
- 67
2
votes
1 answer
Grails 2.5.0 static compilation, controllers and grails features
I am testing out Grails static compilation, specifically GrailsCompileStatic. The documentation is limited in explaining what Grails dynamic features aren't supported. My test Controller is very simple, but I'm running into problems…
Townsfolk
- 1,282
- 1
- 9
- 21
1
vote
1 answer
Constructor cannot be applied to '(T)' error when using @CompileStatic and generic class
I'm trying to 'mend' some other code that I've been upgrading.
I've boiled it down to a simple example generic class and then the use of that class.
First, I declared a generic parameterized class like so
//generic class
class WillsAgent {
…
WILLIAM WOODMAN
- 1,185
- 5
- 19
- 36
1
vote
1 answer
Named parameters compilation fails with @CompileStatic - how to fix it?
This piece of code works perfectly in dynamically typed Groovy
buildDirectory.traverse(type: FILES, nameFilter: ~/dependency-updates-report.xml/) {
reports << it
}
but when adding @CompileStatic to the class it get an error, something along the…
helpermethod
- 59,493
- 71
- 188
- 276
1
vote
0 answers
Groovy @CompileStatic with bounded generics
The Groovy compiler doesn't seem to like this generic method.
@CompileStatic
class GroovyMain {
enum Planet { MERCURY, VENUS, EARTH, MARS, JUPITER, SATURN, URANUS, NEPTUNE }
enum Day { SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY,…
jaco0646
- 15,303
- 7
- 59
- 83
1
vote
1 answer
Groovy extension methods in statically compiled code
There are many ways how to define extension methods for existing types in Groovy, e.g. meta-class, categories, extension modules etc. I'd like to know, which of them are compatible with static compilation via @CompileStatic. I know that it is…
Werner Thumann
- 465
- 4
- 15
1
vote
0 answers
Groovy static compilation fails for nested generics
Please check the sample JUnit class below:
import groovy.transform.CompileStatic
import org.apache.commons.lang3.tuple.Pair
import org.junit.Test
import java.util.function.Function
@CompileStatic
class GroovyFunctionTypeInferenceTest {
@Test
…
Michal Wilkowski
- 727
- 5
- 14
1
vote
1 answer
@CompileStatic: automatic type cast possible?
Is it possible that the below code can be compiled with @CompileStatic?
import groovy.transform.CompileStatic
@CompileStatic
class CompileStaticTest {
List numbers = []
void addWithCase(something) {
switch (something) {
…
René Scheibe
- 1,970
- 2
- 14
- 20
0
votes
1 answer
Why does the Groovy @TypeChecked annotation catch me putting a String into an int variable but not the other way around?
I'm having trouble understanding Groovy types and type promotion. And the exact promises of Groovy's @TypeChecked annotation.
-- Or maybe I'm having trouble understanding some Groovy design philosophy.
I was playing around with the @TypeChecked…
StackzOfZtuff
- 2,534
- 1
- 28
- 25
0
votes
1 answer
groovy: convert a list of interface implementation to a map with compileStatic
I am just a newer to groovy.
@Service
@CompileStatic
@Slf4j
class JourneyExecutionService {
@Autowired
List engineList;
Map engineMap;
void init(){
engineMap =…
shijie xu
- 1,975
- 21
- 52