org.mpisws.p2p.transport.rendezvous
Interface EphemeralDB<Identifier,HighIdentifier>

All Known Implementing Classes:

EphemeralDBImpl

public interface EphemeralDB<Identifier,HighIdentifier>

Keeps track of tags, ephemeral identifiers, timestamps, highIdentifiers

Author:

Jeff Hoye

Field Summary

static long

NO_TAG

Method Summary

Identifier	getEphemeral(HighIdentifier high) Get the valid Identifier for this highIdentifier
Identifier	getEphemeral(long tag, Identifier i) Return a current valid Identifier for the tag, otherwise, return the default identifier only a getter
long	getTagForEphemeral(Identifier addr) Get the existing tag, or make a new one if needed
void	mapHighToTag(HighIdentifier high, long tag) Tell the DB that the high identifier points to this tag

Field Detail

NO_TAG

static final long NO_TAG

See Also:

Constant Field Values

Method Detail

getTagForEphemeral

long getTagForEphemeral(Identifier addr)

Get the existing tag, or make a new one if needed

Parameters:

addr -

Returns:

getEphemeral

Identifier getEphemeral(long tag,
                        Identifier i)

Return a current valid Identifier for the tag, otherwise, return the default identifier only a getter

Parameters:

tag -

i - the default identifier

Returns:

mapHighToTag

void mapHighToTag(HighIdentifier high,
                  long tag)

Tell the DB that the high identifier points to this tag

Parameters:

high -

tag -

getEphemeral

Identifier getEphemeral(HighIdentifier high)

Get the valid Identifier for this highIdentifier

Parameters:

high -

Returns:

null if there isn't a valid one