org.apache.reef.io.network.naming

Class NameServerImpl

java.lang.Object

org.apache.reef.io.network.naming.NameServerImpl

All Implemented Interfaces:

AutoCloseable, NameServer, Stage

public final class NameServerImpl
extends Object
implements NameServer

Naming server implementation.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Closes resources.
int	getPort() Gets port.
InetSocketAddress	lookup(Identifier id) Finds an address for an identifier locally.
List<NameAssignment>	lookup(Iterable<Identifier> identifiers) Finds addresses for identifiers locally.
void	register(Identifier id, InetSocketAddress addr) Registers an (identifier, address) mapping locally.
void	unregister(Identifier id) Unregisters an identifier locally.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getPort

public int getPort()

Gets port.

Specified by:

getPort in interface NameServer

Returns:

close

public void close()
           throws Exception

Closes resources.

Specified by:

close in interface AutoCloseable

Throws:

Exception

register

public void register(Identifier id,
            InetSocketAddress addr)

Registers an (identifier, address) mapping locally.

Specified by:

register in interface NameServer

Parameters:

id - an identifier

addr - an Internet socket address

unregister

public void unregister(Identifier id)

Unregisters an identifier locally.

Specified by:

unregister in interface NameServer

Parameters:

id - an identifier

lookup

public InetSocketAddress lookup(Identifier id)

Finds an address for an identifier locally.

Specified by:

lookup in interface NameServer

Parameters:

id - an identifier

Returns:

an Internet socket address

lookup

public List<NameAssignment> lookup(Iterable<Identifier> identifiers)

Finds addresses for identifiers locally.

Specified by:

lookup in interface NameServer

Parameters:

identifiers - an iterable of identifiers

Returns:

a list of name assignments