org.apache.derby.impl.store.replication.net
Class SlaveAddress

java.lang.Object
  org.apache.derby.impl.store.replication.net.SlaveAddress

public class SlaveAddress
extends java.lang.Object

Encapsulates the host name and the port number of the slave machine.

Field Summary

static int	DEFAULT_PORT_NO Used as the default port number if the port number is not mentioned.
private java.net.InetAddress	hostAddress Contains the IP Address of the slave to replicate to.
private int	portNumber Contains the port number at which the slave is listening for connections from the master.

Constructor Summary

SlaveAddress(java.lang.String hostName, int portNumber)
Constructor initializes the host name and the port number with valid values.

Method Summary

java.net.InetAddress	getHostAddress() Used to get the IP Address corresponding to the host name of the slave.
int	getPortNumber() Used to get the port number of the slave.

Methods inherited from class java.lang.Object

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

Field Detail

hostAddress

private final java.net.InetAddress hostAddress

Contains the IP Address of the slave to replicate to.

portNumber

private final int portNumber

Contains the port number at which the slave is listening for connections from the master.

DEFAULT_PORT_NO

public static final int DEFAULT_PORT_NO

Used as the default port number if the port number is not mentioned. Port number 4851 is registered for Derby Replication at IANA (See: http://www.iana.org/assignments/port-numbers)

See Also:

Constant Field Values

Constructor Detail

SlaveAddress

public SlaveAddress(java.lang.String hostName,
                    int portNumber)
             throws java.net.UnknownHostException

Constructor initializes the host name and the port number with valid values. If a valid host name or port number is not provided then these are initialized to default values.

Parameters:

hostName - a String that contains the host name of the slave.

portNumber - an int that contains the port number of the slave.

Throws:

java.net.UnknownHostException - If an exception occurs while trying to resolve the host name.

Method Detail

getHostAddress

public java.net.InetAddress getHostAddress()

Used to get the IP Address corresponding to the host name of the slave.

Returns:

an IP Address corresponding to the slave host name.

getPortNumber

public int getPortNumber()

Used to get the port number of the slave.

Returns:

an int representing the value of the port number of the slave.