org.apache.drill.exec.store.hdf5.writers

Class WriterSpec

java.lang.Object

org.apache.drill.exec.store.hdf5.writers.WriterSpec

public class WriterSpec
extends Object

Encapsulates the information needed to handle implicit type conversions for scalar fields. The provided schema gives the type of vector to create, the #makeWriter(String, MinorType, DataMode) method gives the type of data to be written. A standard conversion is inserted where needed.

Field Summary

Fields

Modifier and Type	Field and Description
StandardConversions	conversions
CustomErrorContext	errorContext
TupleMetadata	providedSchema
TupleWriter	tupleWriter

Constructor Summary

Constructors

Constructor and Description
WriterSpec(TupleWriter tupleWriter, TupleMetadata providedSchema, CustomErrorContext errorContext)

Method Summary

Modifier and Type	Method and Description
ValueWriter	makeWriter(String name, TypeProtos.MinorType type, TypeProtos.DataMode mode)

Methods inherited from class java.lang.Object

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

Field Detail

tupleWriter

public final TupleWriter tupleWriter

providedSchema

public final TupleMetadata providedSchema

errorContext

public final CustomErrorContext errorContext

conversions

public final StandardConversions conversions

Constructor Detail

WriterSpec

public WriterSpec(TupleWriter tupleWriter,
                  TupleMetadata providedSchema,
                  CustomErrorContext errorContext)

Method Detail

makeWriter

public ValueWriter makeWriter(String name,
                              TypeProtos.MinorType type,
                              TypeProtos.DataMode mode)