org.apache.hudi.io.storage

Class HoodieBootstrapFileReader<T>

java.lang.Object

org.apache.hudi.io.storage.HoodieBootstrapFileReader<T>

All Implemented Interfaces:

AutoCloseable, HoodieFileReader<T>

Direct Known Subclasses:

HoodieAvroBootstrapFileReader

public abstract class HoodieBootstrapFileReader<T>
extends Object
implements HoodieFileReader<T>

Constructor Summary

Constructors

Constructor and Description
HoodieBootstrapFileReader(HoodieFileReader<T> skeletonFileReader, HoodieFileReader<T> dataFileReader, Option<String[]> partitionFields, Object[] partitionValues)

Method Summary

Modifier and Type	Method and Description
void	close()
Set<String>	filterRowKeys(Set<String> candidateRowKeys)
ClosableIterator<HoodieRecord<T>>	getRecordIterator(org.apache.avro.Schema schema)
ClosableIterator<HoodieRecord<T>>	getRecordIterator(org.apache.avro.Schema readerSchema, org.apache.avro.Schema requestedSchema)
ClosableIterator<String>	getRecordKeyIterator()
org.apache.avro.Schema	getSchema()
long	getTotalRecords()
BloomFilter	readBloomFilter()
String[]	readMinMaxRecordKeys()
protected abstract void	setPartitionField(int position, Object fieldValue, T row)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hudi.io.storage.HoodieFileReader

getRecordIterator

Constructor Detail

HoodieBootstrapFileReader

public HoodieBootstrapFileReader(HoodieFileReader<T> skeletonFileReader,
                                 HoodieFileReader<T> dataFileReader,
                                 Option<String[]> partitionFields,
                                 Object[] partitionValues)

Method Detail

readMinMaxRecordKeys

public String[] readMinMaxRecordKeys()

Specified by:

readMinMaxRecordKeys in interface HoodieFileReader<T>

readBloomFilter

public BloomFilter readBloomFilter()

Specified by:

readBloomFilter in interface HoodieFileReader<T>

filterRowKeys

public Set<String> filterRowKeys(Set<String> candidateRowKeys)

Specified by:

filterRowKeys in interface HoodieFileReader<T>

getRecordIterator

public ClosableIterator<HoodieRecord<T>> getRecordIterator(org.apache.avro.Schema readerSchema,
                                                           org.apache.avro.Schema requestedSchema)
                                                    throws IOException

Specified by:

getRecordIterator in interface HoodieFileReader<T>

Throws:

IOException

getRecordIterator

public ClosableIterator<HoodieRecord<T>> getRecordIterator(org.apache.avro.Schema schema)
                                                    throws IOException

Specified by:

getRecordIterator in interface HoodieFileReader<T>

Throws:

IOException

getRecordKeyIterator

public ClosableIterator<String> getRecordKeyIterator()
                                              throws IOException

Specified by:

getRecordKeyIterator in interface HoodieFileReader<T>

Throws:

IOException

setPartitionField

protected abstract void setPartitionField(int position,
                                          Object fieldValue,
                                          T row)

getSchema

public org.apache.avro.Schema getSchema()

Specified by:

getSchema in interface HoodieFileReader<T>

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface HoodieFileReader<T>

getTotalRecords

public long getTotalRecords()

Specified by:

getTotalRecords in interface HoodieFileReader<T>