org.apache.parquet.crypto.keytools

Interface FileKeyMaterialStore

All Known Implementing Classes:

HadoopFSKeyMaterialStore

public interface FileKeyMaterialStore

Method Summary

Modifier and Type	Method and Description
void	addKeyMaterial(String keyIDInFile, String keyMaterial) Add key material for one encryption key.
Set<String>	getKeyIDSet()
String	getKeyMaterial(String keyIDInFile) Get key material
void	initialize(org.apache.hadoop.fs.Path parquetFilePath, org.apache.hadoop.conf.Configuration hadoopConfig, boolean tempStore) Initializes key material store for a parquet file.
void	moveMaterialTo(FileKeyMaterialStore targetKeyMaterialStore) Move key material to another store.
void	removeMaterial() Remove key material from persistent store.
void	saveMaterial() After key material was added for all keys in the given Parquet file, save material in persistent store.

Method Detail

initialize

void initialize(org.apache.hadoop.fs.Path parquetFilePath,
                org.apache.hadoop.conf.Configuration hadoopConfig,
                boolean tempStore)

Initializes key material store for a parquet file.

Parameters:

parquetFilePath - Parquet file path

hadoopConfig - Hadoop configuration

tempStore - set true if this is a temporary store, used in key rotation

addKeyMaterial

void addKeyMaterial(String keyIDInFile,
                    String keyMaterial)

Add key material for one encryption key.

Parameters:

keyIDInFile - ID of the key in Parquet file

keyMaterial - key material

saveMaterial

void saveMaterial()

After key material was added for all keys in the given Parquet file, save material in persistent store.

getKeyMaterial

String getKeyMaterial(String keyIDInFile)

Get key material

Parameters:

keyIDInFile - ID of a key in Parquet file

Returns:

key material

getKeyIDSet

Set<String> getKeyIDSet()

Returns:

Set of all key IDs in this store (for the given Parquet file)

removeMaterial

void removeMaterial()

Remove key material from persistent store. Used in key rotation.

moveMaterialTo

void moveMaterialTo(FileKeyMaterialStore targetKeyMaterialStore)

Move key material to another store. Used in key rotation.

Parameters:

targetKeyMaterialStore - target store