org.apache.hadoop.hbase.client

Interface NonceGenerator

All Known Implementing Classes:

PerClientRandomNonceGenerator

@InterfaceAudience.Private
public interface NonceGenerator

NonceGenerator interface. In general, nonce group is an ID (one per client, or region+client, or whatever) that could be used to reduce collision potential, or be used by compatible server nonce manager to optimize nonce storage and removal. See HBASE-3787.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLIENT_NONCES_ENABLED_KEY

Method Summary

Modifier and Type	Method and Description
long	getNonceGroup()
long	newNonce()

Field Detail

CLIENT_NONCES_ENABLED_KEY

static final String CLIENT_NONCES_ENABLED_KEY

See Also:

Constant Field Values

Method Detail

getNonceGroup

long getNonceGroup()

Returns:

the nonce group (client ID) of this client manager.

newNonce

long newNonce()

Returns:

New nonce.