godfreyhe commented on a change in pull request #12826:
URL: https://github.com/apache/flink/pull/12826#discussion_r452224521
##########
File path:
flink-table/flink-table-planner-blink/src/test/java/org/apache/flink/table/planner/catalog/CatalogITCase.java
##########
@@ -61,9 +70,54 @@ public void testDropCatalog() {
assertFalse(tableEnv.getCatalog(name).isPresent());
}
+ @Test
+ public void testCreateCatalogFromUserClassLoader() throws Exception {
+ final String className = "UserCatalogFactory";
+ URLClassLoader classLoader =
ClassLoaderUtils.withRoot(temporaryFolder.newFolder())
+
.addResource("META-INF/services/org.apache.flink.table.factories.TableFactory",
"UserCatalogFactory")
+ .addClass(
+ className,
+ "import
org.apache.flink.table.catalog.GenericInMemoryCatalog;\n" +
+ "import
org.apache.flink.table.factories.CatalogFactory;\n" +
+ "import java.util.Collections;\n" +
+ "import
org.apache.flink.table.catalog.Catalog;\n" +
+ "import java.util.HashMap;\n" +
+ "import java.util.List;\n" +
+ "import java.util.Map;\n" +
+ "\tpublic class UserCatalogFactory
implements CatalogFactory {\n" +
+ "\t\t@Override\n" +
+ "\t\tpublic Catalog createCatalog(\n" +
+ "\t\t\t\tString name,\n" +
+ "\t\t\t\tMap<String, String>
properties) {\n" +
+ "\t\t\treturn new
GenericInMemoryCatalog(name);\n" +
+ "\t\t}\n" +
+ "\n" +
+ "\t\t@Override\n" +
+ "\t\tpublic Map<String, String>
requiredContext() {\n" +
+ "\t\t\tHashMap<String, String> hashMap
= new HashMap<>();\n" +
+ "\t\t\thashMap.put(\"type\",
\"userCatalog\");\n" +
+ "\t\t\treturn hashMap;\n" +
+ "\t\t}\n" +
+ "\n" +
+ "\t\t@Override\n" +
+ "\t\tpublic List<String>
supportedProperties() {\n" +
+ "\t\t\treturn
Collections.emptyList();\n" +
+ "\t\t}\n" +
+ "\t}"
+ ).build();
+
+ try (TemporaryClassLoaderContext context =
TemporaryClassLoaderContext.of(classLoader)) {
Review comment:
ok, let FLINK-15635 fully support this feature
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