HuangZhenQiu commented on a change in pull request #10294: [FLINK-14913][table]
refactor CatalogFunction to remove properties
URL: https://github.com/apache/flink/pull/10294#discussion_r349822746
##########
File path:
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/catalog/CatalogFunctionImpl.java
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@@ -20,40 +20,36 @@
import org.apache.flink.util.StringUtils;
-import java.util.HashMap;
-import java.util.Map;
import java.util.Optional;
import static org.apache.flink.util.Preconditions.checkArgument;
-import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* A catalog function implementation.
*/
public class CatalogFunctionImpl implements CatalogFunction {
private final String className; // Fully qualified class name of the
function
- private final Map<String, String> properties;
+ private final boolean isGeneric;
- public CatalogFunctionImpl(String className, Map<String, String>
properties) {
+ public CatalogFunctionImpl(String className) {
+ this(className, true);
+ }
+
+ public CatalogFunctionImpl(String className, boolean isGeneric) {
checkArgument(!StringUtils.isNullOrWhitespaceOnly(className),
"className cannot be null or empty");
this.className = className;
- this.properties = checkNotNull(properties, "properties cannot
be null");
+ this.isGeneric = isGeneric;
Review comment:
Good suggestion. I think checking whether the class is assignable from
Flink's udf interfaces is more generic way to handle with it.
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