org.apache.hudi.common.table.read

Class HoodieFileGroupReaderSchemaHandler<T>

java.lang.Object

org.apache.hudi.common.table.read.HoodieFileGroupReaderSchemaHandler<T>

Direct Known Subclasses:

HoodiePositionBasedSchemaHandler

public class HoodieFileGroupReaderSchemaHandler<T>
extends Object

This class is responsible for handling the schema for the file group reader.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.avro.Schema	dataSchema
protected boolean	hasBootstrapBaseFile
protected HoodieTableConfig	hoodieTableConfig
protected InternalSchema	internalSchema
protected boolean	needsBootstrapMerge
protected boolean	needsMORMerge
protected HoodieReaderContext<T>	readerContext
protected HoodieRecordMerger	recordMerger
protected org.apache.avro.Schema	requestedSchema
protected org.apache.avro.Schema	requiredSchema

Constructor Summary

Constructors

Constructor and Description
HoodieFileGroupReaderSchemaHandler(HoodieReaderContext<T> readerContext, org.apache.avro.Schema dataSchema, org.apache.avro.Schema requestedSchema, Option<InternalSchema> internalSchemaOpt, HoodieTableConfig hoodieTableConfig)

Method Summary

Modifier and Type	Method and Description
org.apache.avro.Schema	createSchemaFromFields(List<org.apache.avro.Schema.Field> fields)
Pair<List<org.apache.avro.Schema.Field>,List<org.apache.avro.Schema.Field>>	getBootstrapDataFields()
Pair<List<org.apache.avro.Schema.Field>,List<org.apache.avro.Schema.Field>>	getBootstrapRequiredFields()
org.apache.avro.Schema	getDataSchema()
InternalSchema	getInternalSchema()
Option<UnaryOperator<T>>	getOutputConverter()
org.apache.avro.Schema	getRequestedSchema()
org.apache.avro.Schema	getRequiredSchema()
protected org.apache.avro.Schema	prepareRequiredSchema()

Methods inherited from class java.lang.Object

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

Field Detail

dataSchema

protected final org.apache.avro.Schema dataSchema

requestedSchema

protected final org.apache.avro.Schema requestedSchema

requiredSchema

protected final org.apache.avro.Schema requiredSchema

internalSchema

protected final InternalSchema internalSchema

hoodieTableConfig

protected final HoodieTableConfig hoodieTableConfig

readerContext

protected final HoodieReaderContext<T> readerContext

recordMerger

protected final HoodieRecordMerger recordMerger

hasBootstrapBaseFile

protected final boolean hasBootstrapBaseFile

needsBootstrapMerge

protected boolean needsBootstrapMerge

needsMORMerge

protected final boolean needsMORMerge

Constructor Detail

HoodieFileGroupReaderSchemaHandler

public HoodieFileGroupReaderSchemaHandler(HoodieReaderContext<T> readerContext,
                                          org.apache.avro.Schema dataSchema,
                                          org.apache.avro.Schema requestedSchema,
                                          Option<InternalSchema> internalSchemaOpt,
                                          HoodieTableConfig hoodieTableConfig)

Method Detail

getDataSchema

public org.apache.avro.Schema getDataSchema()

getRequestedSchema

public org.apache.avro.Schema getRequestedSchema()

getRequiredSchema

public org.apache.avro.Schema getRequiredSchema()

getInternalSchema

public InternalSchema getInternalSchema()

getOutputConverter

public Option<UnaryOperator<T>> getOutputConverter()

prepareRequiredSchema

protected org.apache.avro.Schema prepareRequiredSchema()

getBootstrapRequiredFields

public Pair<List<org.apache.avro.Schema.Field>,List<org.apache.avro.Schema.Field>> getBootstrapRequiredFields()

getBootstrapDataFields

public Pair<List<org.apache.avro.Schema.Field>,List<org.apache.avro.Schema.Field>> getBootstrapDataFields()

createSchemaFromFields

public org.apache.avro.Schema createSchemaFromFields(List<org.apache.avro.Schema.Field> fields)