Package org.apache.hadoop.yarn.server.timelineservice.storage.common

Interface KeyConverterToString<T>

public interface KeyConverterToString<T>

Interface which has to be implemented for encoding and decoding row keys or column qualifiers as string.

Method Summary

Modifier and Type	Method	Description
T	decodeFromString(java.lang.String encodedKey)	Decode row key from string to a key of type T.
java.lang.String	encodeAsString(T key)	Encode key as string.

Method Detail

encodeAsString

java.lang.String encodeAsString(T key)

Encode key as string.

Parameters:

key - of type T to be encoded as string.

Returns:

encoded value as string.

decodeFromString

T decodeFromString(java.lang.String encodedKey)

Decode row key from string to a key of type T.

Parameters:

encodedKey - string representation of row key

Returns:

type T which has been constructed after decoding string.