Package org.apache.iceberg

Class ManifestReader<F extends ContentFile<F>>

java.lang.Object

org.apache.iceberg.io.CloseableGroup

org.apache.iceberg.ManifestReader<F>

Type Parameters:

F - The Java class of files returned by this reader.

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<F>, CloseableIterable<F>

public class ManifestReader<F extends ContentFile<F>>
extends CloseableGroup
implements CloseableIterable<F>

Base reader for data and delete manifest files.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static enum	ManifestReader.FileType

Nested classes/interfaces inherited from interface org.apache.iceberg.io.CloseableIterable

CloseableIterable.ConcatCloseableIterable<E>

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ManifestReader(InputFile file, int specId, Map<Integer,PartitionSpec> specsById, org.apache.iceberg.InheritableMetadata inheritableMetadata, ManifestReader.FileType content)

Method Summary

Modifier and Type	Method	Description
ManifestReader<F>	caseSensitive(boolean isCaseSensitive)
InputFile	file()
ManifestReader<F>	filterPartitions(Expression expr)
ManifestReader<F>	filterPartitions(PartitionSet partitions)
ManifestReader<F>	filterRows(Expression expr)
boolean	isDeleteManifestReader()
CloseableIterator<F>	iterator()	Returns a closeable iterator over elements of type T.
ManifestReader<F>	project(Schema newFileProjection)
Schema	schema()
ManifestReader<F>	select(Collection<String> newColumns)
PartitionSpec	spec()

Methods inherited from class org.apache.iceberg.io.CloseableGroup

addCloseable, addCloseable, close, setSuppressCloseFailure

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

ManifestReader

protected ManifestReader(InputFile file,
 int specId,
 Map<Integer,PartitionSpec> specsById,
 org.apache.iceberg.InheritableMetadata inheritableMetadata,
 ManifestReader.FileType content)

Method Details

isDeleteManifestReader

public boolean isDeleteManifestReader()

file

public InputFile file()

schema

public Schema schema()

spec

public PartitionSpec spec()

select

public ManifestReader<F> select(Collection<String> newColumns)

project

public ManifestReader<F> project(Schema newFileProjection)

filterPartitions

public ManifestReader<F> filterPartitions(Expression expr)

filterPartitions

public ManifestReader<F> filterPartitions(PartitionSet partitions)

filterRows

public ManifestReader<F> filterRows(Expression expr)

caseSensitive

public ManifestReader<F> caseSensitive(boolean isCaseSensitive)

iterator

public CloseableIterator<F> iterator()

Description copied from interface: CloseableIterable

Returns a closeable iterator over elements of type T.

Specified by:

iterator in interface CloseableIterable<F extends ContentFile<F>>

Specified by:

iterator in interface Iterable<F extends ContentFile<F>>

Returns:

an Iterator of DataFile. Makes defensive copies of files before returning