ssquan commented on a change in pull request #8852:
[FLINK-12798][table-api][table-planner] Add a proper discover mechanism that
will enable switching between Flink & Blink Planner/Executor
URL: https://github.com/apache/flink/pull/8852#discussion_r310424843
##########
File path:
flink-table/flink-table-common/src/main/java/org/apache/flink/table/factories/TableFactoryService.java
##########
@@ -103,9 +106,52 @@
* @param <T> factory class type
* @return the matching factory
*/
- public static <T> T find(Class<T> factoryClass, Map<String, String>
propertyMap, ClassLoader classLoader) {
+ public static <T extends TableFactory> T find(
+ Class<T> factoryClass,
+ Map<String, String> propertyMap,
+ ClassLoader classLoader) {
Preconditions.checkNotNull(classLoader);
- return findInternal(factoryClass, propertyMap,
Optional.of(classLoader));
+ return findSingleInternal(factoryClass, propertyMap,
Optional.of(classLoader));
+ }
+
+ /**
+ * Finds all table factories of the given class and property map.
+ *
+ * @param factoryClass desired factory class
+ * @param propertyMap properties that describe the factory configuration
+ * @param <T> factory class type
+ * @return all the matching factories
+ */
+ public static <T extends TableFactory> List<T> findAll(Class<T>
factoryClass, Map<String, String> propertyMap) {
+ return findAllInternal(factoryClass, propertyMap,
Optional.empty());
Review comment:
Hi, should we use Flink user classloader instead? I package
BlinkExecutorFactory into a fat JAR, but it can't be found by Flink cluster.
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