Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/843#discussion_r118184323
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/FunctionInitializer.java
---
@@ -119,33 +117,35 @@ private void checkInit() {
}
}
- private CompilationUnit get(Class<?> c) throws IOException {
- String path = c.getName();
+ /**
+ * Using class name generates path to class source code (*.java),
+ * reads its content as string and parses it into {@link
org.codehaus.janino.Java.CompilationUnit}.
+ *
+ * @param clazz function class
+ * @return compilation unit
+ * @throws IOException if did not find class or could not load it
+ */
+ public CompilationUnit convertToCompilationUnit(Class<?> clazz) throws
IOException {
+ String path = clazz.getName();
path = path.replaceFirst("\\$.*", "");
path = path.replace(".", FileUtils.separator);
path = "/" + path + ".java";
- CompilationUnit cu = functionUnits.get(path);
- if (cu != null) {
- return cu;
- }
- try (InputStream is = c.getResourceAsStream(path)) {
+ logger.debug("Loading function code from the {}", path);
--- End diff --
Done.
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