See: Description
Interface | Description |
---|---|
ManagedReader |
Extended version of a record reader which uses a size-aware batch mutator.
|
ReaderFactory<T extends SchemaNegotiator> |
Creates a batch reader on demand.
|
ScanLifecycleBuilder.SchemaValidator | |
SchemaNegotiator |
Negotiates the table schema with the scanner framework and provides
context information for the reader.
|
Class | Description |
---|---|
FixedReceiver |
Layer above the
ResultSetLoader which handles standard conversions
for scalar columns where the schema is known up front (i.e. |
FixedReceiver.Builder | |
ScanLifecycleBuilder |
Gathers options for the
ScanLifecycle then builds a scan lifecycle
instance. |
ScanLifecycleBuilder.DummyReaderFactory |
Exception | Description |
---|---|
ManagedReader.EarlyEofException |
Exception thrown from the constructor if the data source is empty and
can produce no data or schema.
|
Build a scan using the ScanLifecycleBuilder
. Provide a subclass
of ReaderFactory
that will create each of your
ManagedReader
instances as needed. The framework handles the
details of schemas, missing columns, implicit columns and the rest.
Copyright © 1970 The Apache Software Foundation. All rights reserved.