io.cdap.cdap.api.dataset.lib

Class PartitionMetadata

java.lang.Object

io.cdap.cdap.api.dataset.lib.PartitionMetadata

All Implemented Interfaces:

Iterable<Map.Entry<String,String>>

public class PartitionMetadata
extends Object
implements Iterable<Map.Entry<String,String>>

Contains metadata associated with a particular Partition of a PartitionedFileSet.

Constructor Summary

Constructors

Constructor and Description
PartitionMetadata(Map<String,String> metadata, long creationTime, long lastModificationTime)

Method Summary

Modifier and Type	Method and Description
Map<String,String>	asMap()
boolean	equals(Object o)
String	get(String key) Performs a get on the underlying map of user-defined metadata.
long	getCreationTime()
int	hashCode()
Iterator<Map.Entry<String,String>>	iterator()
long	lastModificationTime()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

PartitionMetadata

public PartitionMetadata(Map<String,String> metadata,
                         long creationTime,
                         long lastModificationTime)

Method Detail

get

@Nullable
public String get(String key)

Performs a get on the underlying map of user-defined metadata.

Parameters:

key - the key to use in the lookup on the underlying map

Returns:

the value returned by the underlying map

asMap

public Map<String,String> asMap()

Returns:

the underlying map of user-defined metadata

getCreationTime

public long getCreationTime()

Returns:

the creation time of the partition, in milliseconds

lastModificationTime

public long lastModificationTime()

Returns:

the last modification time of the partition, in milliseconds

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

iterator

public Iterator<Map.Entry<String,String>> iterator()

Specified by:

iterator in interface Iterable<Map.Entry<String,String>>