org.apache.hudi.common.util.collection

Class LazyFileIterable<T,R>

java.lang.Object

org.apache.hudi.common.util.collection.LazyFileIterable<T,R>

All Implemented Interfaces:

Iterable<R>

public class LazyFileIterable<T,R>
extends Object
implements Iterable<R>

Iterable to lazily fetch values spilled to disk. This class uses BufferedRandomAccessFile to randomly access the position of the latest value for a key spilled to disk and returns the result.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	LazyFileIterable.LazyFileIterator<T,R> Iterator implementation for the iterable defined above.

Constructor Summary

Constructors

Constructor and Description
LazyFileIterable(String filePath, Map<T,BitCaskDiskMap.ValueMetadata> map)
LazyFileIterable(String filePath, Map<T,BitCaskDiskMap.ValueMetadata> map, boolean isCompressionEnabled)

Method Summary

Modifier and Type	Method and Description
ClosableIterator<R>	iterator()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

LazyFileIterable

public LazyFileIterable(String filePath,
                        Map<T,BitCaskDiskMap.ValueMetadata> map)

LazyFileIterable

public LazyFileIterable(String filePath,
                        Map<T,BitCaskDiskMap.ValueMetadata> map,
                        boolean isCompressionEnabled)

Method Detail

iterator

public ClosableIterator<R> iterator()

Specified by:

iterator in interface Iterable<R>