org.apache.flink.table.filesystem

Class DeserializationSchemaAdapter

java.lang.Object

org.apache.flink.table.filesystem.DeserializationSchemaAdapter

All Implemented Interfaces:

Serializable, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>, org.apache.flink.connector.file.src.reader.BulkFormat<org.apache.flink.table.data.RowData,org.apache.flink.connector.file.src.FileSourceSplit>

public class DeserializationSchemaAdapter
extends Object
implements org.apache.flink.connector.file.src.reader.BulkFormat<org.apache.flink.table.data.RowData,org.apache.flink.connector.file.src.FileSourceSplit>

Adapter to turn a DeserializationSchema into a BulkFormat.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.connector.file.src.reader.BulkFormat

org.apache.flink.connector.file.src.reader.BulkFormat.RecordIterator<T>

Constructor Summary

Constructors

Constructor and Description
DeserializationSchemaAdapter(org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData> deserializationSchema, org.apache.flink.table.api.TableSchema schema, int[] projectFields, List<String> partitionKeys, String defaultPartValue)

Method Summary

Modifier and Type	Method and Description
org.apache.flink.table.filesystem.DeserializationSchemaAdapter.Reader	createReader(org.apache.flink.configuration.Configuration config, org.apache.flink.connector.file.src.FileSourceSplit split)
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData>	getProducedType()
boolean	isSplittable()
org.apache.flink.table.filesystem.DeserializationSchemaAdapter.Reader	restoreReader(org.apache.flink.configuration.Configuration config, org.apache.flink.connector.file.src.FileSourceSplit split)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DeserializationSchemaAdapter

public DeserializationSchemaAdapter(org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData> deserializationSchema,
                                    org.apache.flink.table.api.TableSchema schema,
                                    int[] projectFields,
                                    List<String> partitionKeys,
                                    String defaultPartValue)

Method Detail

createReader

public org.apache.flink.table.filesystem.DeserializationSchemaAdapter.Reader createReader(org.apache.flink.configuration.Configuration config,
                                                                                          org.apache.flink.connector.file.src.FileSourceSplit split)
                                                                                   throws IOException

Specified by:

createReader in interface org.apache.flink.connector.file.src.reader.BulkFormat<org.apache.flink.table.data.RowData,org.apache.flink.connector.file.src.FileSourceSplit>

Throws:

IOException

restoreReader

public org.apache.flink.table.filesystem.DeserializationSchemaAdapter.Reader restoreReader(org.apache.flink.configuration.Configuration config,
                                                                                           org.apache.flink.connector.file.src.FileSourceSplit split)
                                                                                    throws IOException

Specified by:

restoreReader in interface org.apache.flink.connector.file.src.reader.BulkFormat<org.apache.flink.table.data.RowData,org.apache.flink.connector.file.src.FileSourceSplit>

Throws:

IOException

isSplittable

public boolean isSplittable()

Specified by:

isSplittable in interface org.apache.flink.connector.file.src.reader.BulkFormat<org.apache.flink.table.data.RowData,org.apache.flink.connector.file.src.FileSourceSplit>

getProducedType

public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> getProducedType()

Specified by:

getProducedType in interface org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>

Specified by:

getProducedType in interface org.apache.flink.connector.file.src.reader.BulkFormat<org.apache.flink.table.data.RowData,org.apache.flink.connector.file.src.FileSourceSplit>