rdblue commented on a change in pull request #1875:
URL: https://github.com/apache/iceberg/pull/1875#discussion_r547438609
##########
File path: core/src/main/java/org/apache/iceberg/hadoop/HadoopCatalog.java
##########
@@ -68,45 +70,62 @@
*
* Note: The HadoopCatalog requires that the underlying file system supports
atomic rename.
*/
-public class HadoopCatalog extends BaseMetastoreCatalog implements Closeable,
SupportsNamespaces {
+public class HadoopCatalog extends BaseMetastoreCatalog implements Closeable,
SupportsNamespaces, Configurable {
private static final String ICEBERG_HADOOP_WAREHOUSE_BASE =
"iceberg/warehouse";
private static final String TABLE_METADATA_FILE_EXTENSION = ".metadata.json";
private static final Joiner SLASH = Joiner.on("/");
private static final PathFilter TABLE_FILTER = path ->
path.getName().endsWith(TABLE_METADATA_FILE_EXTENSION);
- private final String catalogName;
- private final Configuration conf;
- private final String warehouseLocation;
- private final FileSystem fs;
- private final FileIO fileIO;
+ private String catalogName;
+ private Configuration conf;
+ private String warehouseLocation;
+ private FileSystem fs;
+ private FileIO fileIO;
+
+ public HadoopCatalog(){
+ }
/**
* The constructor of the HadoopCatalog. It uses the passed location as its
warehouse directory.
*
+ * @deprecated please use the no-arg constructor, setConf and initialize to
construct the catalog
* @param name The catalog name
* @param conf The Hadoop configuration
* @param warehouseLocation The location used as warehouse directory
*/
+ @Deprecated
public HadoopCatalog(String name, Configuration conf, String
warehouseLocation) {
this(name, conf, warehouseLocation, Maps.newHashMap());
}
/**
* The all-arg constructor of the HadoopCatalog.
*
+ * @deprecated please use the no-arg constructor, setConf and initialize to
construct the catalog
* @param name The catalog name
* @param conf The Hadoop configuration
* @param warehouseLocation The location used as warehouse directory
* @param properties catalog properties
*/
+ @Deprecated
public HadoopCatalog(String name, Configuration conf, String
warehouseLocation, Map<String, String> properties) {
Preconditions.checkArgument(warehouseLocation != null &&
!warehouseLocation.equals(""),
"no location provided for warehouse");
+ setConf(conf);
+ Map<String, String> props = new HashMap<>(properties);
+ props.putAll(properties);
Review comment:
This adds properties to the map twice?
We usually prefer `Maps.newHashMap()`, too.
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