rdblue commented on PR #4575:
URL: https://github.com/apache/iceberg/pull/4575#issuecomment-1100967612
An alternative to this that we should also consider is adding
`SessionContext` to catalog calls. That would add an interface like this:
```java
public interface SessionCatalog extends Catalog {
final class SessionContext {
private final String sessionId;
private final String identity;
private final String credential;
private final Map<String, String> sessionConfig;
public SessionContext(String sessionId, String identity, String
credential, Map<String, String> sessionConfig) {
this.sessionId = sessionId;
this.identity = identity;
this.credential = credential;
this.sessionConfig = sessionConfig;
}
public String sessionId() {
return sessionId;
}
public String identity() {
return identity;
}
public String credential() {
return credential;
}
public Map<String, String> sessionConfig() {
return sessionConfig;
}
}
void initialize(String name, Map<String, String> properties);
String name();
Catalog withContext(SessionContext context);
List<TableIdentifier> listTables(SessionContext context, Namespace
namespace);
TableBuilder buildTable(SessionContext context, TableIdentifier ident,
Schema schema);
Table registerTable(TableIdentifier ident, String metadataFileLocation);
default boolean tableExists(SessionContext context, TableIdentifier ident)
{
try {
loadTable(context, ident);
return true;
} catch (NoSuchTableException e) {
return false;
}
}
Table loadTable(SessionContext context, TableIdentifier ident);
boolean dropTable(SessionContext context, TableIdentifier ident);
boolean purgeTable(SessionContext context, TableIdentifier ident);
void renameTable(SessionContext context, TableIdentifier from,
TableIdentifier to);
void invalidateTable(SessionContext context, TableIdentifier ident);
}
```
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